Delta Air Lines Inc. vs FedEx Corporation
WatchlistDAL / FDXPrices through Oct 22, 2026
Why these are rivals: #1 and #2 by market value ($70B vs $49B) in Nasdaq's "Air Freight/Delivery Services" industry; SEC SIC 4513 / 4512 (same major group).
Rivals, but right now the price gap does not have a measured habit of closing, so there is no paper idea, whatever the gap.
- Co-movement: daily return correlation, 252 sessions: 0.35 (needs >= 0.60)
- Mean reversion: ADF t-statistic of the spread: -2.15 (needs <= -2.873 (5% critical value))
Business leadership
FDX is the larger business
Annual revenue reported to the SEC. Scale, not market share.
| Year | DAL | FDX | Larger |
|---|---|---|---|
| 2025 | $63.4B | $94.7B | FDX |
| 2024 | $61.6B | $87.9B | FDX |
| 2023 | $58.0B | $87.7B | FDX |
| 2022 | $50.6B | $90.2B | FDX |
| 2021 | $29.9B | $93.5B | FDX |
| 2020 | $17.1B | $84.0B | FDX |
FDX led in every year with figures for both. Market value: DAL $49.1B, FDX $69.5B.
Stock leadership
Neither is clearly ahead
Measured against the pair's own last 252 trading days.
The gap is 0.06 standard deviations, close to the usual relationship. 6 lead switches in the last year.
| Price change | 3 mo | 6 mo | 12 mo |
|---|---|---|---|
| DAL | -6.8% | +15.9% | +27.2% |
| FDX | -3.5% | -2.0% | +58.6% |
Relationship
Not a measured twin today
Only these tests can make a pair tradable on paper.
- Pass
- Aligned sessions: 2521 (needs >= 254)
- Fail
- Co-movement: daily return correlation, 252 sessions: 0.35 (needs >= 0.60)
- Fail
- Mean reversion: ADF t-statistic of the spread: -2.15 (needs <= -2.873 (5% critical value))
- Pass
- Speed: half-life of the spread, sessions: 21.40 (needs <= 63)
- Data
- Both stocks current
The twins over two years
Prices side by side, and the gap between them
DAL Delta Air Lines Inc. FDX FedEx CorporationPrice index, 100 = 2024-10-18. Tint = which stock is ahead of the pair's usual 1-year relationship (z beyond +/-0.5).
Spread z-score: DAL relative to FDX, against the 252 sessions before each day. Above 0: DAL ahead; below 0: FDX ahead. Lines at +/-2 (idea) and +/-4 (stop).
Data table (504 sessions)
| Date | DAL index | FDX index | z | Ahead |
|---|---|---|---|---|
| 2026-10-22 | 142.04 | 140.32 | -0.06 | near the usual relationship |
| 2026-10-21 | 139.19 | 137.69 | -0.08 | near the usual relationship |
| 2026-10-20 | 137.38 | 137.94 | -0.21 | near the usual relationship |
| 2026-10-19 | 133.75 | 135.64 | -0.31 | near the usual relationship |
| 2026-10-16 | 135.07 | 135.53 | -0.22 | near the usual relationship |
| 2026-10-15 | 139.93 | 136.45 | +0.02 | near the usual relationship |
| 2026-10-14 | 137.37 | 134.48 | -0.02 | near the usual relationship |
| 2026-10-13 | 142.60 | 134.16 | +0.31 | near the usual relationship |
| 2026-10-12 | 143.57 | 134.92 | +0.32 | near the usual relationship |
| 2026-10-09 | 147.26 | 134.68 | +0.55 | DAL ahead |
| 2026-10-08 | 147.20 | 134.69 | +0.54 | DAL ahead |
| 2026-10-07 | 148.69 | 133.45 | +0.70 | DAL ahead |
| 2026-10-06 | 149.93 | 133.44 | +0.77 | DAL ahead |
| 2026-10-05 | 148.89 | 133.49 | +0.71 | DAL ahead |
| 2026-10-02 | 150.70 | 134.06 | +0.77 | DAL ahead |
| 2026-10-01 | 150.77 | 132.54 | +0.87 | DAL ahead |
| 2026-09-30 | 149.57 | 131.62 | +0.86 | DAL ahead |
| 2026-09-29 | 152.10 | 132.72 | +0.93 | DAL ahead |
| 2026-09-28 | 150.59 | 133.73 | +0.78 | DAL ahead |
| 2026-09-25 | 152.22 | 131.97 | +0.97 | DAL ahead |
| 2026-09-24 | 148.32 | 129.06 | +0.94 | DAL ahead |
| 2026-09-23 | 146.51 | 134.58 | +0.48 | near the usual relationship |
| 2026-09-22 | 150.39 | 136.63 | +0.56 | DAL ahead |
| 2026-09-21 | 147.85 | 136.56 | +0.42 | near the usual relationship |
| 2026-09-18 | 142.69 | 140.19 | -0.10 | near the usual relationship |
| 2026-09-17 | 142.35 | 141.22 | -0.19 | near the usual relationship |
| 2026-09-16 | 139.55 | 139.30 | -0.24 | near the usual relationship |
| 2026-09-15 | 141.38 | 142.32 | -0.32 | near the usual relationship |
| 2026-09-14 | 143.01 | 144.31 | -0.34 | near the usual relationship |
| 2026-09-11 | 143.21 | 144.04 | -0.32 | near the usual relationship |
| 2026-09-10 | 140.22 | 143.96 | -0.49 | near the usual relationship |
| 2026-09-09 | 141.13 | 142.75 | -0.38 | near the usual relationship |
| 2026-09-08 | 141.51 | 145.03 | -0.49 | near the usual relationship |
| 2026-09-04 | 143.67 | 148.91 | -0.59 | FDX ahead |
| 2026-09-03 | 141.13 | 149.73 | -0.77 | FDX ahead |
| 2026-09-02 | 140.04 | 146.14 | -0.65 | FDX ahead |
| 2026-09-01 | 136.88 | 149.99 | -1.03 | FDX ahead |
| 2026-08-31 | 139.78 | 151.16 | -0.94 | FDX ahead |
| 2026-08-28 | 143.49 | 152.76 | -0.82 | FDX ahead |
| 2026-08-27 | 145.41 | 153.01 | -0.74 | FDX ahead |
| 2026-08-26 | 148.89 | 155.12 | -0.67 | FDX ahead |
| 2026-08-25 | 149.86 | 154.07 | -0.58 | FDX ahead |
| 2026-08-24 | 147.81 | 154.23 | -0.70 | FDX ahead |
| 2026-08-21 | 147.69 | 150.09 | -0.51 | FDX ahead |
| 2026-08-20 | 145.27 | 150.53 | -0.66 | FDX ahead |
| 2026-08-19 | 149.27 | 151.61 | -0.52 | FDX ahead |
| 2026-08-18 | 153.58 | 151.61 | -0.31 | near the usual relationship |
| 2026-08-17 | 156.97 | 153.05 | -0.23 | near the usual relationship |
| 2026-08-14 | 160.13 | 154.50 | -0.16 | near the usual relationship |
| 2026-08-13 | 163.64 | 156.68 | -0.11 | near the usual relationship |
| 2026-08-12 | 161.16 | 150.87 | +0.06 | near the usual relationship |
| 2026-08-11 | 162.03 | 148.86 | +0.19 | near the usual relationship |
| 2026-08-10 | 159.87 | 150.09 | +0.03 | near the usual relationship |
| 2026-08-07 | 163.69 | 147.08 | +0.35 | near the usual relationship |
| 2026-08-06 | 164.84 | 145.83 | +0.46 | near the usual relationship |
| 2026-08-05 | 166.92 | 143.46 | +0.66 | DAL ahead |
| 2026-08-04 | 166.25 | 144.67 | +0.57 | DAL ahead |
| 2026-08-03 | 164.14 | 142.77 | +0.58 | DAL ahead |
| 2026-07-31 | 156.70 | 141.92 | +0.28 | near the usual relationship |
| 2026-07-30 | 158.76 | 142.46 | +0.35 | near the usual relationship |
| 2026-07-29 | 154.57 | 142.48 | +0.15 | near the usual relationship |
| 2026-07-28 | 160.16 | 144.34 | +0.32 | near the usual relationship |
| 2026-07-27 | 155.32 | 143.49 | +0.14 | near the usual relationship |
| 2026-07-24 | 152.44 | 145.41 | -0.10 | near the usual relationship |
| 2026-07-23 | 146.90 | 145.72 | -0.38 | near the usual relationship |
| 2026-07-22 | 149.68 | 148.21 | -0.37 | near the usual relationship |
| 2026-07-21 | 151.67 | 145.52 | -0.15 | near the usual relationship |
| 2026-07-20 | 151.51 | 141.38 | +0.04 | near the usual relationship |
| 2026-07-17 | 150.84 | 144.50 | -0.15 | near the usual relationship |
| 2026-07-16 | 155.38 | 146.91 | -0.06 | near the usual relationship |
| 2026-07-15 | 154.05 | 144.70 | -0.01 | near the usual relationship |
| 2026-07-14 | 153.24 | 144.81 | -0.06 | near the usual relationship |
| 2026-07-13 | 154.46 | 144.85 | -0.01 | near the usual relationship |
| 2026-07-10 | 156.61 | 145.29 | +0.07 | near the usual relationship |
| 2026-07-09 | 159.50 | 143.51 | +0.29 | near the usual relationship |
| 2026-07-08 | 156.43 | 143.01 | +0.18 | near the usual relationship |
| 2026-07-07 | 158.84 | 144.45 | +0.21 | near the usual relationship |
| 2026-07-06 | 164.30 | 143.09 | +0.53 | DAL ahead |
| 2026-07-02 | 166.22 | 144.51 | +0.54 | DAL ahead |
| 2026-07-01 | 166.77 | 144.92 | +0.55 | DAL ahead |
| 2026-06-30 | 167.85 | 144.57 | +0.61 | DAL ahead |
| 2026-06-29 | 166.97 | 150.23 | +0.30 | near the usual relationship |
| 2026-06-26 | 165.90 | 147.06 | +0.41 | near the usual relationship |
| 2026-06-25 | 165.07 | 152.10 | +0.14 | near the usual relationship |
| 2026-06-24 | 162.46 | 146.28 | +0.30 | near the usual relationship |
| 2026-06-23 | 155.41 | 146.47 | -0.02 | near the usual relationship |
| 2026-06-22 | 153.98 | 151.80 | -0.34 | near the usual relationship |
| 2026-06-18 | 150.86 | 150.60 | -0.43 | near the usual relationship |
| 2026-06-17 | 147.40 | 150.48 | -0.60 | FDX ahead |
| 2026-06-16 | 149.00 | 155.01 | -0.73 | FDX ahead |
| 2026-06-15 | 150.66 | 156.40 | -0.72 | FDX ahead |
| 2026-06-12 | 148.85 | 156.20 | -0.80 | FDX ahead |
| 2026-06-11 | 146.65 | 156.05 | -0.91 | FDX ahead |
| 2026-06-10 | 137.04 | 147.40 | -0.99 | FDX ahead |
| 2026-06-09 | 145.47 | 153.17 | -0.85 | FDX ahead |
| 2026-06-08 | 140.16 | 152.46 | -1.09 | FDX ahead |
| 2026-06-05 | 142.33 | 152.82 | -1.00 | FDX ahead |
| 2026-06-04 | 142.49 | 151.44 | -0.93 | FDX ahead |
| 2026-06-03 | 141.18 | 149.80 | -0.93 | FDX ahead |
| 2026-06-02 | 143.41 | 151.90 | -0.92 | FDX ahead |
| 2026-06-01 | 146.00 | 156.28 | -1.00 | FDX ahead |
| 2026-05-29 | 147.81 | 150.05 | -0.62 | FDX ahead |
| 2026-05-28 | 147.83 | 149.93 | -0.62 | FDX ahead |
| 2026-05-27 | 146.59 | 150.07 | -0.69 | FDX ahead |
| 2026-05-26 | 142.28 | 145.77 | -0.70 | FDX ahead |
| 2026-05-22 | 136.45 | 143.66 | -0.90 | FDX ahead |
| 2026-05-21 | 135.57 | 141.73 | -0.86 | FDX ahead |
| 2026-05-20 | 132.83 | 140.98 | -0.98 | FDX ahead |
| 2026-05-19 | 121.43 | 136.65 | -1.42 | FDX ahead |
| 2026-05-18 | 125.88 | 134.74 | -1.05 | FDX ahead |
| 2026-05-15 | 125.86 | 136.95 | -1.18 | FDX ahead |
| 2026-05-14 | 128.23 | 138.48 | -1.14 | FDX ahead |
| 2026-05-13 | 127.33 | 134.73 | -0.99 | FDX ahead |
| 2026-05-12 | 126.72 | 137.18 | -1.17 | FDX ahead |
| 2026-05-11 | 127.60 | 138.08 | -1.17 | FDX ahead |
| 2026-05-08 | 131.42 | 137.97 | -0.95 | FDX ahead |
| 2026-05-07 | 131.02 | 137.00 | -0.92 | FDX ahead |
| 2026-05-06 | 131.43 | 137.46 | -0.93 | FDX ahead |
| 2026-05-05 | 126.99 | 132.20 | -0.90 | FDX ahead |
| 2026-05-04 | 122.76 | 130.39 | -1.05 | FDX ahead |
| 2026-05-01 | 123.62 | 143.47 | -1.73 | FDX ahead |
| 2026-04-30 | 121.85 | 146.98 | -2.04 | FDX ahead |
| 2026-04-29 | 118.76 | 141.61 | -1.97 | FDX ahead |
| 2026-04-28 | 120.47 | 142.20 | -1.90 | FDX ahead |
| 2026-04-27 | 122.22 | 141.36 | -1.76 | FDX ahead |
| 2026-04-24 | 122.67 | 141.39 | -1.74 | FDX ahead |
| 2026-04-23 | 122.53 | 143.11 | -1.86 | FDX ahead |
| 2026-04-22 | 122.60 | 140.65 | -1.73 | FDX ahead |
| 2026-04-21 | 125.84 | 143.80 | -1.70 | FDX ahead |
| 2026-04-20 | 127.62 | 143.50 | -1.59 | FDX ahead |
| 2026-04-17 | 128.53 | 143.00 | -1.51 | FDX ahead |
| 2026-04-16 | 125.25 | 138.80 | -1.48 | FDX ahead |
| 2026-04-15 | 129.01 | 132.99 | -0.91 | FDX ahead |
| 2026-04-14 | 128.49 | 134.89 | -1.05 | FDX ahead |
| 2026-04-13 | 120.16 | 135.53 | -1.63 | FDX ahead |
| 2026-04-10 | 121.54 | 136.33 | -1.59 | FDX ahead |
| 2026-04-09 | 121.56 | 137.39 | -1.65 | FDX ahead |
| 2026-04-08 | 122.01 | 136.09 | -1.54 | FDX ahead |
| 2026-04-07 | 117.60 | 130.10 | -1.47 | FDX ahead |
| 2026-04-06 | 119.68 | 130.77 | -1.37 | FDX ahead |
| 2026-04-02 | 119.64 | 131.79 | -1.43 | FDX ahead |
| 2026-04-01 | 121.15 | 130.94 | -1.27 | FDX ahead |
| 2026-03-31 | 119.14 | 129.80 | -1.33 | FDX ahead |
| 2026-03-30 | 113.24 | 124.55 | -1.41 | FDX ahead |
| 2026-03-27 | 116.18 | 125.35 | -1.26 | FDX ahead |
| 2026-03-26 | 119.82 | 127.39 | -1.15 | FDX ahead |
| 2026-03-25 | 121.85 | 130.29 | -1.20 | FDX ahead |
| 2026-03-24 | 119.44 | 131.18 | -1.42 | FDX ahead |
| 2026-03-23 | 116.72 | 129.66 | -1.51 | FDX ahead |
| 2026-03-20 | 113.69 | 130.78 | -1.80 | FDX ahead |
| 2026-03-19 | 116.51 | 129.78 | -1.55 | FDX ahead |
| 2026-03-18 | 114.35 | 127.46 | -1.56 | FDX ahead |
| 2026-03-17 | 116.18 | 129.25 | -1.55 | FDX ahead |
| 2026-03-16 | 109.03 | 128.41 | -2.01 | FDX ahead |
| 2026-03-13 | 105.34 | 128.16 | -2.29 | FDX ahead |
| 2026-03-12 | 103.84 | 128.69 | -2.47 | FDX ahead |
| 2026-03-11 | 105.99 | 131.70 | -2.53 | FDX ahead |
| 2026-03-10 | 106.22 | 131.00 | -2.50 | FDX ahead |
| 2026-03-09 | 108.57 | 131.60 | -2.39 | FDX ahead |
| 2026-03-06 | 105.75 | 130.87 | -2.61 | FDX ahead |
| 2026-03-05 | 109.87 | 136.06 | -2.66 | FDX ahead |
| 2026-03-04 | 114.39 | 139.97 | -2.61 | FDX ahead |
| 2026-03-03 | 115.77 | 139.41 | -2.51 | FDX ahead |
| 2026-03-02 | 115.14 | 141.13 | -2.71 | FDX ahead |
| 2026-02-27 | 117.74 | 141.03 | -2.55 | FDX ahead |
| 2026-02-26 | 126.36 | 141.28 | -1.94 | FDX ahead |
| 2026-02-25 | 124.34 | 139.43 | -1.99 | FDX ahead |
| 2026-02-24 | 124.07 | 140.87 | -2.14 | FDX ahead |
| 2026-02-23 | 119.86 | 139.84 | -2.43 | FDX ahead |
| 2026-02-20 | 124.44 | 141.57 | -2.22 | FDX ahead |
| 2026-02-19 | 120.86 | 139.63 | -2.40 | FDX ahead |
| 2026-02-18 | 127.44 | 139.61 | -1.91 | FDX ahead |
| 2026-02-17 | 126.97 | 136.77 | -1.77 | FDX ahead |
| 2026-02-13 | 123.66 | 136.56 | -2.04 | FDX ahead |
| 2026-02-12 | 124.55 | 134.64 | -1.85 | FDX ahead |
| 2026-02-11 | 127.99 | 133.80 | -1.53 | FDX ahead |
| 2026-02-10 | 133.44 | 134.09 | -1.15 | FDX ahead |
| 2026-02-09 | 134.41 | 132.87 | -0.99 | FDX ahead |
| 2026-02-06 | 135.04 | 134.56 | -1.08 | FDX ahead |
| 2026-02-05 | 125.05 | 132.64 | -1.70 | FDX ahead |
| 2026-02-04 | 126.99 | 132.12 | -1.53 | FDX ahead |
| 2026-02-03 | 126.24 | 128.80 | -1.35 | FDX ahead |
| 2026-02-02 | 123.80 | 122.19 | -1.03 | FDX ahead |
| 2026-01-30 | 118.08 | 117.44 | -1.11 | FDX ahead |
| 2026-01-29 | 119.25 | 116.59 | -0.95 | FDX ahead |
| 2026-01-28 | 117.97 | 114.67 | -0.90 | FDX ahead |
| 2026-01-27 | 118.53 | 113.86 | -0.79 | FDX ahead |
| 2026-01-26 | 120.97 | 110.96 | -0.34 | near the usual relationship |
| 2026-01-23 | 121.79 | 110.86 | -0.27 | near the usual relationship |
| 2026-01-22 | 123.57 | 112.90 | -0.31 | near the usual relationship |
| 2026-01-21 | 123.57 | 111.86 | -0.22 | near the usual relationship |
| 2026-01-20 | 120.90 | 109.70 | -0.25 | near the usual relationship |
| 2026-01-16 | 126.22 | 112.31 | -0.06 | near the usual relationship |
| 2026-01-15 | 127.85 | 114.13 | -0.09 | near the usual relationship |
| 2026-01-14 | 122.74 | 114.27 | -0.51 | FDX ahead |
| 2026-01-13 | 124.25 | 112.85 | -0.27 | near the usual relationship |
| 2026-01-12 | 127.29 | 113.67 | -0.10 | near the usual relationship |
| 2026-01-09 | 129.59 | 113.83 | +0.06 | near the usual relationship |
| 2026-01-08 | 127.76 | 112.61 | +0.03 | near the usual relationship |
| 2026-01-07 | 128.41 | 112.00 | +0.13 | near the usual relationship |
| 2026-01-06 | 129.43 | 112.22 | +0.19 | near the usual relationship |
| 2026-01-05 | 128.71 | 108.40 | +0.48 | near the usual relationship |
| 2026-01-02 | 123.76 | 106.83 | +0.25 | near the usual relationship |
| 2025-12-31 | 124.37 | 105.27 | +0.44 | near the usual relationship |
| 2025-12-30 | 124.27 | 106.07 | +0.36 | near the usual relationship |
| 2025-12-29 | 124.61 | 106.74 | +0.33 | near the usual relationship |
| 2025-12-26 | 126.97 | 107.99 | +0.40 | near the usual relationship |
| 2025-12-24 | 127.17 | 107.84 | +0.43 | near the usual relationship |
| 2025-12-23 | 126.34 | 107.58 | +0.39 | near the usual relationship |
| 2025-12-22 | 129.14 | 106.70 | +0.69 | DAL ahead |
| 2025-12-19 | 127.35 | 105.24 | +0.70 | DAL ahead |
| 2025-12-18 | 125.72 | 104.64 | +0.63 | DAL ahead |
| 2025-12-17 | 124.95 | 102.85 | +0.75 | DAL ahead |
| 2025-12-16 | 127.49 | 102.94 | +0.94 | DAL ahead |
| 2025-12-15 | 127.72 | 102.49 | +1.01 | DAL ahead |
| 2025-12-12 | 125.11 | 103.62 | +0.70 | DAL ahead |
| 2025-12-11 | 126.45 | 103.78 | +0.80 | DAL ahead |
| 2025-12-10 | 125.32 | 103.61 | +0.73 | DAL ahead |
| 2025-12-09 | 120.81 | 100.27 | +0.69 | DAL ahead |
| 2025-12-08 | 120.47 | 100.82 | +0.61 | DAL ahead |
| 2025-12-05 | 120.25 | 99.96 | +0.68 | DAL ahead |
| 2025-12-04 | 120.50 | 99.87 | +0.72 | DAL ahead |
| 2025-12-03 | 120.95 | 98.56 | +0.89 | DAL ahead |
| 2025-12-02 | 116.74 | 98.53 | +0.55 | DAL ahead |
| 2025-12-01 | 114.96 | 99.61 | +0.30 | near the usual relationship |
| 2025-11-28 | 114.87 | 100.47 | +0.21 | near the usual relationship |
| 2025-11-26 | 115.18 | 100.52 | +0.23 | near the usual relationship |
| 2025-11-25 | 111.38 | 99.81 | -0.02 | near the usual relationship |
| 2025-11-24 | 108.73 | 97.30 | -0.01 | near the usual relationship |
| 2025-11-21 | 104.96 | 98.19 | -0.45 | near the usual relationship |
| 2025-11-20 | 100.30 | 95.88 | -0.66 | FDX ahead |
| 2025-11-19 | 101.92 | 95.69 | -0.48 | near the usual relationship |
| 2025-11-18 | 102.38 | 95.87 | -0.46 | near the usual relationship |
| 2025-11-17 | 99.93 | 96.48 | -0.76 | FDX ahead |
| 2025-11-14 | 104.68 | 97.51 | -0.41 | near the usual relationship |
| 2025-11-13 | 107.37 | 97.43 | -0.15 | near the usual relationship |
| 2025-11-12 | 108.39 | 97.91 | -0.10 | near the usual relationship |
| 2025-11-11 | 103.48 | 97.57 | -0.52 | FDX ahead |
| 2025-11-10 | 104.95 | 92.53 | +0.14 | near the usual relationship |
| 2025-11-07 | 105.52 | 95.51 | -0.12 | near the usual relationship |
| 2025-11-06 | 103.60 | 94.34 | -0.18 | near the usual relationship |
| 2025-11-05 | 104.91 | 93.33 | +0.06 | near the usual relationship |
| 2025-11-04 | 99.73 | 91.79 | -0.28 | near the usual relationship |
| 2025-11-03 | 104.84 | 92.20 | +0.17 | near the usual relationship |
| 2025-10-31 | 102.83 | 92.50 | -0.04 | near the usual relationship |
| 2025-10-30 | 102.37 | 90.72 | +0.11 | near the usual relationship |
| 2025-10-29 | 105.30 | 90.98 | +0.36 | near the usual relationship |
| 2025-10-28 | 103.69 | 90.94 | +0.22 | near the usual relationship |
| 2025-10-27 | 108.33 | 90.14 | +0.73 | DAL ahead |
| 2025-10-24 | 109.23 | 87.88 | +1.07 | DAL ahead |
| 2025-10-23 | 105.32 | 86.80 | +0.84 | DAL ahead |
| 2025-10-22 | 107.53 | 87.25 | +1.00 | DAL ahead |
| 2025-10-21 | 111.68 | 88.50 | +1.24 | DAL ahead |
| 2025-10-20 | 110.66 | 87.39 | +1.28 | DAL ahead |
| 2025-10-17 | 106.88 | 86.66 | +1.04 | DAL ahead |
| 2025-10-16 | 108.24 | 86.34 | +1.20 | DAL ahead |
| 2025-10-15 | 110.57 | 85.93 | +1.47 | DAL ahead |
| 2025-10-14 | 109.80 | 85.52 | +1.46 | DAL ahead |
| 2025-10-13 | 105.23 | 83.69 | +1.26 | DAL ahead |
| 2025-10-10 | 103.01 | 81.86 | +1.28 | DAL ahead |
| 2025-10-09 | 106.76 | 86.37 | +1.12 | DAL ahead |
| 2025-10-08 | 102.37 | 87.44 | +0.60 | DAL ahead |
| 2025-10-07 | 101.49 | 88.31 | +0.43 | near the usual relationship |
| 2025-10-06 | 104.41 | 90.03 | +0.52 | DAL ahead |
| 2025-10-03 | 102.62 | 89.14 | +0.46 | near the usual relationship |
| 2025-10-02 | 102.29 | 88.31 | +0.52 | DAL ahead |
| 2025-10-01 | 100.56 | 87.30 | +0.47 | near the usual relationship |
| 2025-09-30 | 101.70 | 85.94 | +0.73 | DAL ahead |
| 2025-09-29 | 103.33 | 86.22 | +0.86 | DAL ahead |
| 2025-09-26 | 102.51 | 86.67 | +0.74 | DAL ahead |
| 2025-09-25 | 101.68 | 86.16 | +0.73 | DAL ahead |
| 2025-09-24 | 103.42 | 85.19 | +0.99 | DAL ahead |
| 2025-09-23 | 105.29 | 85.17 | +1.15 | DAL ahead |
| 2025-09-22 | 105.54 | 83.86 | +1.31 | DAL ahead |
| 2025-09-19 | 107.10 | 84.46 | +1.38 | DAL ahead |
| 2025-09-18 | 106.58 | 82.54 | +1.53 | DAL ahead |
| 2025-09-17 | 105.41 | 82.28 | +1.46 | DAL ahead |
| 2025-09-16 | 103.69 | 82.98 | +1.25 | DAL ahead |
| 2025-09-15 | 104.70 | 82.25 | +1.41 | DAL ahead |
| 2025-09-12 | 107.29 | 83.66 | +1.47 | DAL ahead |
| 2025-09-11 | 108.32 | 83.39 | +1.57 | DAL ahead |
| 2025-09-10 | 110.02 | 82.25 | +1.81 | DAL ahead |
| 2025-09-09 | 108.75 | 82.27 | +1.71 | DAL ahead |
| 2025-09-08 | 110.68 | 82.00 | +1.87 | DAL ahead |
| 2025-09-05 | 109.64 | 82.99 | +1.70 | DAL ahead |
| 2025-09-04 | 108.51 | 82.10 | +1.70 | DAL ahead |
| 2025-09-03 | 109.80 | 82.12 | +1.78 | DAL ahead |
| 2025-09-02 | 109.55 | 81.70 | +1.80 | DAL ahead |
| 2025-08-29 | 110.72 | 84.21 | +1.65 | DAL ahead |
| 2025-08-28 | 111.06 | 84.28 | +1.66 | DAL ahead |
| 2025-08-27 | 109.78 | 84.62 | +1.54 | DAL ahead |
| 2025-08-26 | 109.59 | 84.22 | +1.56 | DAL ahead |
| 2025-08-25 | 108.26 | 84.91 | +1.42 | DAL ahead |
| 2025-08-22 | 110.56 | 86.30 | +1.45 | DAL ahead |
| 2025-08-21 | 103.66 | 82.10 | +1.35 | DAL ahead |
| 2025-08-20 | 105.82 | 82.80 | +1.44 | DAL ahead |
| 2025-08-19 | 108.42 | 84.96 | +1.43 | DAL ahead |
| 2025-08-18 | 109.48 | 82.99 | +1.65 | DAL ahead |
| 2025-08-15 | 107.96 | 82.82 | +1.57 | DAL ahead |
| 2025-08-14 | 105.66 | 84.21 | +1.33 | DAL ahead |
| 2025-08-13 | 106.49 | 84.00 | +1.40 | DAL ahead |
| 2025-08-12 | 104.73 | 83.97 | +1.30 | DAL ahead |
| 2025-08-11 | 95.88 | 81.85 | +0.91 | DAL ahead |
| 2025-08-08 | 96.13 | 83.11 | +0.83 | DAL ahead |
| 2025-08-07 | 96.11 | 81.87 | +0.93 | DAL ahead |
| 2025-08-06 | 96.99 | 82.53 | +0.94 | DAL ahead |
| 2025-08-05 | 94.75 | 81.05 | +0.91 | DAL ahead |
| 2025-08-04 | 94.12 | 79.26 | +1.01 | DAL ahead |
| 2025-08-01 | 91.67 | 79.12 | +0.87 | DAL ahead |
| 2025-07-31 | 95.36 | 81.45 | +0.94 | DAL ahead |
| 2025-07-30 | 96.06 | 81.58 | +0.98 | DAL ahead |
| 2025-07-29 | 97.67 | 85.47 | +0.81 | DAL ahead |
| 2025-07-28 | 99.66 | 88.34 | +0.74 | DAL ahead |
| 2025-07-25 | 98.32 | 88.63 | +0.65 | DAL ahead |
| 2025-07-24 | 98.05 | 86.19 | +0.80 | DAL ahead |
| 2025-07-23 | 100.32 | 86.70 | +0.90 | DAL ahead |
| 2025-07-22 | 99.77 | 84.44 | +1.03 | DAL ahead |
| 2025-07-21 | 100.43 | 82.26 | +1.22 | DAL ahead |
| 2025-07-18 | 100.88 | 82.59 | +1.23 | DAL ahead |
| 2025-07-17 | 100.97 | 83.23 | +1.20 | DAL ahead |
| 2025-07-16 | 99.57 | 83.36 | +1.12 | DAL ahead |
| 2025-07-15 | 99.84 | 84.06 | +1.10 | DAL ahead |
| 2025-07-14 | 104.14 | 85.27 | +1.26 | DAL ahead |
| 2025-07-11 | 101.52 | 86.03 | +1.08 | DAL ahead |
| 2025-07-10 | 101.76 | 87.00 | +1.04 | DAL ahead |
| 2025-07-09 | 90.86 | 86.19 | +0.47 | near the usual relationship |
| 2025-07-08 | 90.54 | 86.99 | +0.40 | near the usual relationship |
| 2025-07-07 | 89.61 | 85.67 | +0.44 | near the usual relationship |
| 2025-07-03 | 91.15 | 87.91 | +0.39 | near the usual relationship |
| 2025-07-02 | 89.84 | 87.15 | +0.37 | near the usual relationship |
| 2025-07-01 | 87.81 | 85.40 | +0.36 | near the usual relationship |
| 2025-06-30 | 88.14 | 82.84 | +0.55 | DAL ahead |
| 2025-06-27 | 88.87 | 83.42 | +0.56 | DAL ahead |
| 2025-06-26 | 87.76 | 80.56 | +0.69 | DAL ahead |
| 2025-06-25 | 86.58 | 80.90 | +0.59 | DAL ahead |
| 2025-06-24 | 88.82 | 83.64 | +0.55 | DAL ahead |
| 2025-06-23 | 86.47 | 83.54 | +0.41 | near the usual relationship |
| 2025-06-20 | 84.59 | 82.38 | +0.37 | near the usual relationship |
| 2025-06-18 | 85.23 | 81.38 | +0.48 | near the usual relationship |
| 2025-06-17 | 84.80 | 81.10 | +0.47 | near the usual relationship |
| 2025-06-16 | 88.64 | 82.64 | +0.61 | DAL ahead |
| 2025-06-13 | 84.30 | 81.77 | +0.40 | near the usual relationship |
| 2025-06-12 | 87.60 | 82.00 | +0.60 | DAL ahead |
| 2025-06-11 | 88.12 | 81.63 | +0.66 | DAL ahead |
| 2025-06-10 | 92.62 | 83.08 | +0.84 | DAL ahead |
| 2025-06-09 | 91.76 | 80.97 | +0.93 | DAL ahead |
| 2025-06-06 | 91.31 | 80.03 | +0.97 | DAL ahead |
| 2025-06-05 | 87.53 | 78.98 | +0.81 | DAL ahead |
| 2025-06-04 | 87.78 | 79.77 | +0.78 | DAL ahead |
| 2025-06-03 | 87.51 | 80.09 | +0.74 | DAL ahead |
| 2025-06-02 | 86.92 | 79.41 | +0.75 | DAL ahead |
| 2025-05-30 | 86.72 | 79.48 | +0.74 | DAL ahead |
| 2025-05-29 | 86.92 | 80.27 | +0.70 | DAL ahead |
| 2025-05-28 | 87.10 | 79.14 | +0.79 | DAL ahead |
| 2025-05-27 | 88.53 | 80.09 | +0.82 | DAL ahead |
| 2025-05-23 | 85.88 | 78.94 | +0.73 | DAL ahead |
| 2025-05-22 | 86.92 | 79.74 | +0.75 | DAL ahead |
| 2025-05-21 | 86.51 | 79.01 | +0.77 | DAL ahead |
| 2025-05-20 | 89.57 | 80.59 | +0.86 | DAL ahead |
| 2025-05-19 | 91.74 | 82.41 | +0.87 | DAL ahead |
| 2025-05-16 | 91.25 | 83.64 | +0.76 | DAL ahead |
| 2025-05-15 | 90.11 | 84.22 | +0.66 | DAL ahead |
| 2025-05-14 | 90.65 | 84.48 | +0.67 | DAL ahead |
| 2025-05-13 | 94.96 | 84.24 | +0.96 | DAL ahead |
| 2025-05-12 | 91.65 | 84.89 | +0.72 | DAL ahead |
| 2025-05-09 | 86.63 | 79.38 | +0.78 | DAL ahead |
| 2025-05-08 | 86.99 | 79.89 | +0.77 | DAL ahead |
| 2025-05-07 | 81.18 | 78.56 | +0.48 | near the usual relationship |
| 2025-05-06 | 80.30 | 77.77 | +0.47 | near the usual relationship |
| 2025-05-05 | 81.56 | 79.08 | +0.47 | near the usual relationship |
| 2025-05-02 | 79.21 | 80.07 | +0.24 | near the usual relationship |
| 2025-05-01 | 74.37 | 76.55 | +0.14 | near the usual relationship |
| 2025-04-30 | 74.61 | 76.65 | +0.15 | near the usual relationship |
| 2025-04-29 | 75.41 | 76.48 | +0.22 | near the usual relationship |
| 2025-04-28 | 75.20 | 77.08 | +0.16 | near the usual relationship |
| 2025-04-25 | 74.52 | 77.10 | +0.11 | near the usual relationship |
| 2025-04-24 | 75.30 | 78.60 | +0.07 | near the usual relationship |
| 2025-04-23 | 74.19 | 76.91 | +0.11 | near the usual relationship |
| 2025-04-22 | 72.29 | 75.28 | +0.08 | near the usual relationship |
| 2025-04-21 | 70.73 | 74.75 | +0.00 | near the usual relationship |
| 2025-04-17 | 73.21 | 75.64 | +0.13 | near the usual relationship |
| 2025-04-16 | 72.74 | 74.18 | +0.21 | near the usual relationship |
| 2025-04-15 | 73.17 | 75.56 | +0.14 | near the usual relationship |
| 2025-04-14 | 72.22 | 76.69 | -0.02 | near the usual relationship |
| 2025-04-11 | 73.26 | 75.72 | +0.14 | near the usual relationship |
| 2025-04-10 | 70.54 | 75.22 | -0.03 | near the usual relationship |
| 2025-04-09 | 79.34 | 79.42 | +0.32 | near the usual relationship |
| 2025-04-08 | 64.30 | 72.18 | -0.32 | near the usual relationship |
| 2025-04-07 | 66.83 | 74.79 | -0.30 | near the usual relationship |
| 2025-04-04 | 66.76 | 76.57 | -0.43 | near the usual relationship |
| 2025-04-03 | 69.37 | 78.67 | -0.37 | near the usual relationship |
| 2025-04-02 | 77.72 | 89.35 | -0.44 | near the usual relationship |
| 2025-04-01 | 76.02 | 88.19 | -0.49 | near the usual relationship |
| 2025-03-31 | 78.14 | 88.84 | -0.38 | near the usual relationship |
| 2025-03-28 | 78.57 | 88.09 | -0.30 | near the usual relationship |
| 2025-03-27 | 82.71 | 88.89 | -0.06 | near the usual relationship |
| 2025-03-26 | 86.15 | 88.80 | +0.18 | near the usual relationship |
| 2025-03-25 | 87.22 | 87.85 | +0.31 | near the usual relationship |
| 2025-03-24 | 87.60 | 88.31 | +0.31 | near the usual relationship |
| 2025-03-21 | 83.82 | 83.94 | +0.35 | near the usual relationship |
| 2025-03-20 | 84.14 | 89.73 | +0.00 | near the usual relationship |
| 2025-03-19 | 85.57 | 90.06 | +0.08 | near the usual relationship |
| 2025-03-18 | 82.29 | 89.58 | -0.10 | near the usual relationship |
| 2025-03-17 | 84.03 | 89.40 | +0.02 | near the usual relationship |
| 2025-03-14 | 83.78 | 88.27 | +0.08 | near the usual relationship |
| 2025-03-13 | 78.71 | 87.82 | -0.23 | near the usual relationship |
| 2025-03-12 | 81.18 | 88.74 | -0.12 | near the usual relationship |
| 2025-03-11 | 83.66 | 88.54 | +0.06 | near the usual relationship |
| 2025-03-10 | 90.20 | 89.84 | +0.40 | near the usual relationship |
| 2025-03-07 | 95.48 | 92.54 | +0.55 | DAL ahead |
| 2025-03-06 | 98.49 | 91.03 | +0.82 | DAL ahead |
| 2025-03-05 | 101.74 | 91.26 | +0.99 | DAL ahead |
| 2025-03-04 | 98.01 | 90.28 | +0.85 | DAL ahead |
| 2025-03-03 | 104.75 | 94.30 | +0.99 | DAL ahead |
| 2025-02-28 | 107.74 | 95.81 | +1.06 | DAL ahead |
| 2025-02-27 | 107.08 | 94.22 | +1.13 | DAL ahead |
| 2025-02-26 | 110.57 | 93.34 | +1.37 | DAL ahead |
| 2025-02-25 | 110.73 | 93.47 | +1.38 | DAL ahead |
| 2025-02-24 | 110.20 | 92.40 | +1.43 | DAL ahead |
| 2025-02-21 | 107.53 | 92.63 | +1.29 | DAL ahead |
| 2025-02-20 | 114.25 | 97.84 | +1.34 | DAL ahead |
| 2025-02-19 | 116.56 | 97.26 | +1.50 | DAL ahead |
| 2025-02-18 | 115.30 | 97.47 | +1.43 | DAL ahead |
| 2025-02-14 | 117.19 | 97.58 | +1.53 | DAL ahead |
| 2025-02-13 | 114.80 | 95.89 | +1.53 | DAL ahead |
| 2025-02-12 | 118.87 | 95.72 | +1.76 | DAL ahead |
| 2025-02-11 | 116.04 | 95.21 | +1.67 | DAL ahead |
| 2025-02-10 | 118.62 | 94.11 | +1.88 | DAL ahead |
| 2025-02-07 | 122.11 | 93.32 | +2.13 | DAL ahead |
| 2025-02-06 | 121.72 | 94.30 | +2.07 | DAL ahead |
| 2025-02-05 | 123.76 | 91.99 | +2.35 | DAL ahead |
| 2025-02-04 | 123.76 | 91.45 | +2.43 | DAL ahead |
| 2025-02-03 | 119.14 | 90.14 | +2.32 | DAL ahead |
| 2025-01-31 | 120.56 | 96.53 | +2.00 | DAL ahead |
| 2025-01-30 | 122.89 | 98.12 | +2.04 | DAL ahead |
| 2025-01-29 | 122.63 | 100.24 | +1.92 | DAL ahead |
| 2025-01-28 | 121.24 | 101.55 | +1.79 | DAL ahead |
| 2025-01-27 | 121.45 | 102.60 | +1.75 | DAL ahead |
| 2025-01-24 | 120.39 | 99.60 | +1.90 | DAL ahead |
| 2025-01-23 | 120.88 | 98.41 | +2.03 | DAL ahead |
| 2025-01-22 | 121.47 | 98.55 | +2.07 | DAL ahead |
| 2025-01-21 | 122.47 | 100.43 | +2.03 | DAL ahead |
| 2025-01-17 | 117.96 | 100.26 | +1.82 | DAL ahead |
| 2025-01-16 | 118.60 | 101.08 | +1.82 | DAL ahead |
| 2025-01-15 | 117.38 | 100.80 | +1.79 | DAL ahead |
| 2025-01-14 | 118.80 | 101.17 | +1.87 | DAL ahead |
| 2025-01-13 | 116.67 | 100.07 | +1.84 | DAL ahead |
| 2025-01-10 | 119.98 | 98.66 | +2.15 | DAL ahead |
| 2025-01-08 | 110.07 | 100.18 | +1.49 | DAL ahead |
| 2025-01-07 | 109.64 | 100.22 | +1.47 | DAL ahead |
| 2025-01-06 | 107.60 | 99.84 | +1.39 | DAL ahead |
| 2025-01-03 | 105.73 | 100.00 | +1.27 | DAL ahead |
| 2025-01-02 | 105.86 | 99.96 | +1.29 | DAL ahead |
| 2024-12-31 | 108.42 | 102.53 | +1.29 | DAL ahead |
| 2024-12-30 | 108.82 | 102.24 | +1.35 | DAL ahead |
| 2024-12-27 | 109.78 | 102.17 | +1.42 | DAL ahead |
| 2024-12-26 | 111.83 | 101.55 | +1.61 | DAL ahead |
| 2024-12-24 | 112.11 | 99.07 | +1.81 | DAL ahead |
| 2024-12-23 | 110.25 | 98.04 | +1.79 | DAL ahead |
| 2024-12-20 | 109.19 | 100.48 | +1.57 | DAL ahead |
| 2024-12-19 | 108.21 | 100.54 | +1.51 | DAL ahead |
| 2024-12-18 | 105.52 | 99.55 | +1.42 | DAL ahead |
| 2024-12-17 | 108.98 | 101.10 | +1.55 | DAL ahead |
| 2024-12-16 | 109.41 | 103.29 | +1.44 | DAL ahead |
| 2024-12-13 | 110.25 | 103.29 | +1.51 | DAL ahead |
| 2024-12-12 | 110.45 | 103.39 | +1.53 | DAL ahead |
| 2024-12-11 | 113.76 | 102.46 | +1.82 | DAL ahead |
| 2024-12-10 | 112.49 | 101.79 | +1.80 | DAL ahead |
| 2024-12-09 | 111.58 | 101.87 | +1.76 | DAL ahead |
| 2024-12-06 | 115.65 | 102.29 | +2.00 | DAL ahead |
| 2024-12-05 | 117.87 | 101.83 | +2.20 | DAL ahead |
| 2024-12-04 | 115.16 | 103.29 | +1.95 | DAL ahead |
| 2024-12-03 | 112.13 | 103.08 | +1.79 | DAL ahead |
| 2024-12-02 | 113.64 | 108.12 | +1.56 | DAL ahead |
| 2024-11-29 | 114.37 | 110.30 | +1.47 | DAL ahead |
| 2024-11-27 | 114.01 | 110.56 | +1.44 | DAL ahead |
| 2024-11-26 | 114.95 | 110.42 | +1.53 | DAL ahead |
| 2024-11-25 | 115.57 | 111.21 | +1.53 | DAL ahead |
| 2024-11-22 | 113.51 | 109.32 | +1.53 | DAL ahead |
| 2024-11-21 | 113.51 | 107.57 | +1.66 | DAL ahead |
| 2024-11-20 | 114.05 | 104.97 | +1.89 | DAL ahead |
| 2024-11-19 | 116.04 | 106.80 | +1.91 | DAL ahead |
| 2024-11-18 | 113.33 | 107.58 | +1.70 | DAL ahead |
| 2024-11-15 | 114.82 | 107.31 | +1.83 | DAL ahead |
| 2024-11-14 | 116.22 | 106.52 | +2.00 | DAL ahead |
| 2024-11-13 | 115.52 | 106.37 | +1.98 | DAL ahead |
| 2024-11-12 | 114.78 | 104.69 | +2.08 | DAL ahead |
| 2024-11-11 | 113.91 | 105.61 | +1.98 | DAL ahead |
| 2024-11-08 | 109.41 | 104.33 | +1.79 | DAL ahead |
| 2024-11-07 | 108.30 | 103.21 | +1.81 | DAL ahead |
| 2024-11-06 | 111.68 | 102.06 | +2.14 | DAL ahead |
| 2024-11-05 | 104.46 | 100.37 | +1.78 | DAL ahead |
| 2024-11-04 | 101.95 | 98.83 | +1.73 | DAL ahead |
| 2024-11-01 | 104.64 | 99.98 | +1.85 | DAL ahead |
| 2024-10-31 | 102.54 | 99.80 | +1.73 | DAL ahead |
| 2024-10-30 | 104.77 | 99.88 | +1.90 | DAL ahead |
| 2024-10-29 | 102.76 | 100.23 | +1.74 | DAL ahead |
| 2024-10-28 | 99.25 | 100.38 | +1.48 | DAL ahead |
| 2024-10-25 | 96.99 | 99.17 | +1.41 | DAL ahead |
| 2024-10-24 | 98.15 | 99.44 | +1.49 | DAL ahead |
| 2024-10-23 | 97.94 | 97.69 | +1.62 | DAL ahead |
| 2024-10-22 | 98.21 | 98.32 | +1.61 | DAL ahead |
| 2024-10-21 | 98.75 | 97.96 | +1.69 | DAL ahead |
| 2024-10-18 | 100.00 | 100.00 | +1.64 | DAL ahead |
One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Jan 10, 2025 (DAL +9.0%, FDX -1.5%); Apr 9, 2025 (DAL +23.4%, FDX +10.0%). Upcoming earnings: FDX Oct 28, 2026 (after-hours).
Paired trades
The shared paper book and the replay, kept apart
Forward paper record
No paper position on this pair yet.
Historical simulation (a diagnostic, same rules)
No simulated trade through Oct 20, 2026: the pair rarely passed every test while 2 standard deviations apart.
Per $10,000 a leg. A replay on today's companies cannot prove an edge.
The companies
DAL and FDX at a glance
DAL Delta Air Lines Inc.
- Listing
- NYSE · SEC CIK 27904
- Industry
- Air Freight/Delivery Services · SIC 4512 Air Transportation, Scheduled
- Market value
- $49.1B
- Price history
- 2,521 daily closes, Oct 12, 2016 to Oct 22, 2026
FDX FedEx Corporation
- Listing
- NYSE · SEC CIK 1048911
- Industry
- Air Freight/Delivery Services · SIC 4513 Air Courier Services
- Market value
- $69.5B
- Price history
- 2,521 daily closes, Oct 12, 2016 to Oct 22, 2026
Daily prices: Nasdaq.com. Filings and industry codes: SEC EDGAR. Earnings dates: Nasdaq earnings calendar.
Related
All pairs →Other rivals of DAL and FDX
| Pair | Status | Ahead now | Industry |
|---|---|---|---|
| DAL / UAL | Watchlist | DAL by 1.58 sd | Air Freight/Delivery Services |
| DAL / RYAAY | Watchlist | DAL by 1.17 sd | SIC 4512 Air Transportation, Scheduled |
| FDX / UAL | Watchlist | FDX by 0.84 sd | Air Freight/Delivery Services |
| FDX / FDXF | Short history | neither | SIC 4513 Air Courier Services |
Follow the research behind the paper book
Boostio is a research-first platform in private beta: crypto candidates, daily market stories, public paper trading and now rival stocks. Exploring these pages stays free and open.
Explore the private betaPaper only: hypothetical paired positions with modelled costs. No broker, no orders, no real money. A historical simulation is a diagnostic, not proof of an edge. Not investment advice.
