Apple Inc. vs Dell Technologies Inc.
WatchlistAAPL / DELLPrices through Oct 22, 2026
Why these are rivals: #1 and #2 by market value ($5005B vs $290B) in Nasdaq's "Computer Manufacturing" industry; SEC SIC 3571 / 3571 (same major group); #1 and #2 by market value ($5005B vs $290B) with SEC SIC 3571 (Electronic Computers).
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: 0.02 (needs >= 0.60)
- Mean reversion: ADF t-statistic of the spread: -0.58 (needs <= -2.873 (5% critical value))
- Speed: half-life of the spread, sessions: 198.70 (needs <= 63)
Business leadership
AAPL is the larger business
Annual revenue reported to the SEC. Scale, not market share.
| Year | AAPL | DELL | Larger |
|---|---|---|---|
| 2025 | $416.2B | $113.5B | AAPL |
| 2024 | $391.0B | $95.6B | AAPL |
| 2023 | $383.3B | $88.4B | AAPL |
| 2022 | $394.3B | $102.3B | AAPL |
| 2021 | $365.8B | $101.2B | AAPL |
| 2020 | $274.5B | $86.7B | AAPL |
AAPL led in every year with figures for both. Market value: AAPL $5.00T, DELL $289.6B.
Stock leadership
DELL is ahead now
Measured against the pair's own last 252 trading days.
DELL leads AAPL by 0.91 standard deviations: +57.2% over its usual price ratio. 2 lead switches in the last year.
| Price change | 3 mo | 6 mo | 12 mo |
|---|---|---|---|
| AAPL | +4.6% | +27.4% | +32.5% |
| DELL | +3.5% | +113.5% | +203.1% |
Relationship
Not a measured twin today
Only these tests can make a pair tradable on paper.
- Pass
- Aligned sessions: 1970 (needs >= 254)
- Fail
- Co-movement: daily return correlation, 252 sessions: 0.02 (needs >= 0.60)
- Fail
- Mean reversion: ADF t-statistic of the spread: -0.58 (needs <= -2.873 (5% critical value))
- Fail
- Speed: half-life of the spread, sessions: 198.70 (needs <= 63)
- Data
- Both stocks current
The twins over two years
Prices side by side, and the gap between them
AAPL Apple Inc. DELL Dell Technologies Inc.Price 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: AAPL relative to DELL, against the 252 sessions before each day. Above 0: AAPL ahead; below 0: DELL ahead. Lines at +/-2 (idea) and +/-4 (stop).
Data table (504 sessions)
| Date | AAPL index | DELL index | z | Ahead |
|---|---|---|---|---|
| 2026-10-22 | 148.18 | 358.18 | -0.91 | DELL ahead |
| 2026-10-21 | 146.38 | 384.22 | -1.08 | DELL ahead |
| 2026-10-20 | 144.47 | 364.98 | -1.01 | DELL ahead |
| 2026-10-19 | 145.93 | 360.15 | -0.97 | DELL ahead |
| 2026-10-16 | 146.15 | 357.20 | -0.96 | DELL ahead |
| 2026-10-15 | 145.53 | 374.34 | -1.07 | DELL ahead |
| 2026-10-14 | 145.94 | 401.65 | -1.21 | DELL ahead |
| 2026-10-13 | 145.22 | 452.69 | -1.48 | DELL ahead |
| 2026-10-12 | 145.09 | 456.08 | -1.51 | DELL ahead |
| 2026-10-09 | 143.25 | 463.44 | -1.58 | DELL ahead |
| 2026-10-08 | 144.86 | 454.33 | -1.54 | DELL ahead |
| 2026-10-07 | 143.26 | 457.82 | -1.59 | DELL ahead |
| 2026-10-06 | 141.97 | 453.90 | -1.61 | DELL ahead |
| 2026-10-05 | 141.66 | 436.73 | -1.55 | DELL ahead |
| 2026-10-02 | 142.00 | 444.82 | -1.59 | DELL ahead |
| 2026-10-01 | 140.56 | 428.39 | -1.55 | DELL ahead |
| 2026-09-30 | 141.71 | 425.39 | -1.53 | DELL ahead |
| 2026-09-29 | 140.17 | 426.69 | -1.58 | DELL ahead |
| 2026-09-28 | 144.00 | 429.72 | -1.55 | DELL ahead |
| 2026-09-25 | 145.14 | 445.11 | -1.62 | DELL ahead |
| 2026-09-24 | 142.94 | 423.87 | -1.57 | DELL ahead |
| 2026-09-23 | 143.41 | 434.79 | -1.63 | DELL ahead |
| 2026-09-22 | 144.57 | 434.07 | -1.63 | DELL ahead |
| 2026-09-21 | 144.25 | 454.93 | -1.75 | DELL ahead |
| 2026-09-18 | 143.03 | 449.20 | -1.76 | DELL ahead |
| 2026-09-17 | 143.40 | 465.29 | -1.85 | DELL ahead |
| 2026-09-16 | 141.45 | 445.43 | -1.81 | DELL ahead |
| 2026-09-15 | 141.00 | 429.79 | -1.75 | DELL ahead |
| 2026-09-14 | 141.74 | 422.49 | -1.72 | DELL ahead |
| 2026-09-11 | 141.39 | 448.59 | -1.88 | DELL ahead |
| 2026-09-10 | 138.97 | 400.62 | -1.69 | DELL ahead |
| 2026-09-09 | 134.19 | 423.26 | -1.91 | DELL ahead |
| 2026-09-08 | 134.56 | 422.17 | -1.92 | DELL ahead |
| 2026-09-04 | 136.16 | 414.47 | -1.87 | DELL ahead |
| 2026-09-03 | 139.66 | 408.34 | -1.80 | DELL ahead |
| 2026-09-02 | 138.28 | 389.21 | -1.73 | DELL ahead |
| 2026-09-01 | 138.35 | 336.07 | -1.40 | DELL ahead |
| 2026-08-31 | 134.83 | 360.60 | -1.64 | DELL ahead |
| 2026-08-28 | 136.04 | 360.78 | -1.64 | DELL ahead |
| 2026-08-27 | 133.86 | 373.45 | -1.78 | DELL ahead |
| 2026-08-26 | 133.38 | 366.77 | -1.76 | DELL ahead |
| 2026-08-25 | 131.87 | 357.03 | -1.74 | DELL ahead |
| 2026-08-24 | 132.06 | 342.55 | -1.66 | DELL ahead |
| 2026-08-21 | 131.64 | 349.58 | -1.73 | DELL ahead |
| 2026-08-20 | 132.47 | 343.81 | -1.69 | DELL ahead |
| 2026-08-19 | 134.82 | 346.00 | -1.68 | DELL ahead |
| 2026-08-18 | 131.93 | 370.59 | -1.93 | DELL ahead |
| 2026-08-17 | 130.04 | 379.42 | -2.04 | DELL ahead |
| 2026-08-14 | 130.18 | 388.11 | -2.12 | DELL ahead |
| 2026-08-13 | 129.90 | 391.04 | -2.18 | DELL ahead |
| 2026-08-12 | 128.62 | 383.13 | -2.18 | DELL ahead |
| 2026-08-11 | 129.75 | 348.70 | -1.94 | DELL ahead |
| 2026-08-10 | 131.17 | 362.07 | -2.04 | DELL ahead |
| 2026-08-07 | 133.33 | 358.82 | -2.00 | DELL ahead |
| 2026-08-06 | 132.94 | 346.08 | -1.93 | DELL ahead |
| 2026-08-05 | 132.34 | 365.89 | -2.12 | DELL ahead |
| 2026-08-04 | 131.65 | 369.50 | -2.19 | DELL ahead |
| 2026-08-03 | 129.11 | 339.25 | -2.04 | DELL ahead |
| 2026-07-31 | 131.45 | 320.55 | -1.86 | DELL ahead |
| 2026-07-30 | 141.89 | 320.11 | -1.66 | DELL ahead |
| 2026-07-29 | 143.91 | 292.30 | -1.39 | DELL ahead |
| 2026-07-28 | 144.71 | 310.06 | -1.55 | DELL ahead |
| 2026-07-27 | 143.37 | 337.59 | -1.83 | DELL ahead |
| 2026-07-24 | 141.71 | 345.96 | -1.95 | DELL ahead |
| 2026-07-23 | 136.88 | 347.41 | -2.08 | DELL ahead |
| 2026-07-22 | 138.68 | 349.36 | -2.09 | DELL ahead |
| 2026-07-21 | 139.46 | 319.59 | -1.84 | DELL ahead |
| 2026-07-20 | 138.97 | 301.98 | -1.71 | DELL ahead |
| 2026-07-17 | 142.02 | 313.41 | -1.77 | DELL ahead |
| 2026-07-16 | 141.81 | 309.49 | -1.76 | DELL ahead |
| 2026-07-15 | 139.36 | 326.33 | -1.99 | DELL ahead |
| 2026-07-14 | 133.98 | 361.81 | -2.44 | DELL ahead |
| 2026-07-13 | 135.03 | 337.74 | -2.24 | DELL ahead |
| 2026-07-10 | 134.18 | 343.96 | -2.35 | DELL ahead |
| 2026-07-09 | 134.56 | 356.02 | -2.49 | DELL ahead |
| 2026-07-08 | 133.36 | 341.59 | -2.43 | DELL ahead |
| 2026-07-07 | 132.20 | 329.97 | -2.38 | DELL ahead |
| 2026-07-06 | 133.05 | 325.64 | -2.36 | DELL ahead |
| 2026-07-02 | 131.33 | 311.81 | -2.30 | DELL ahead |
| 2026-07-01 | 125.27 | 336.27 | -2.74 | DELL ahead |
| 2026-06-30 | 123.13 | 341.18 | -2.90 | DELL ahead |
| 2026-06-29 | 119.89 | 327.86 | -2.91 | DELL ahead |
| 2026-06-26 | 120.76 | 315.90 | -2.82 | DELL ahead |
| 2026-06-25 | 117.09 | 323.78 | -3.08 | DELL ahead |
| 2026-06-24 | 124.71 | 343.24 | -3.13 | DELL ahead |
| 2026-06-23 | 125.23 | 338.27 | -3.14 | DELL ahead |
| 2026-06-22 | 126.39 | 331.10 | -3.10 | DELL ahead |
| 2026-06-18 | 126.81 | 323.82 | -3.07 | DELL ahead |
| 2026-06-17 | 125.94 | 331.58 | -3.27 | DELL ahead |
| 2026-06-16 | 127.34 | 319.53 | -3.16 | DELL ahead |
| 2026-06-15 | 126.14 | 323.48 | -3.33 | DELL ahead |
| 2026-06-12 | 123.89 | 312.80 | -3.35 | DELL ahead |
| 2026-06-11 | 125.80 | 309.54 | -3.33 | DELL ahead |
| 2026-06-10 | 124.08 | 292.45 | -3.23 | DELL ahead |
| 2026-06-09 | 123.64 | 301.90 | -3.47 | DELL ahead |
| 2026-06-08 | 128.31 | 316.91 | -3.63 | DELL ahead |
| 2026-06-05 | 130.78 | 311.87 | -3.58 | DELL ahead |
| 2026-06-04 | 132.44 | 333.74 | -3.96 | DELL ahead |
| 2026-06-03 | 132.03 | 332.97 | -4.11 | DELL ahead |
| 2026-06-02 | 134.13 | 344.23 | -4.37 | DELL ahead |
| 2026-06-01 | 130.34 | 368.46 | -5.12 | DELL ahead |
| 2026-05-29 | 132.79 | 332.84 | -4.70 | DELL ahead |
| 2026-05-28 | 132.98 | 250.71 | -3.21 | DELL ahead |
| 2026-05-27 | 132.28 | 241.44 | -3.10 | DELL ahead |
| 2026-05-26 | 131.20 | 241.25 | -3.22 | DELL ahead |
| 2026-05-22 | 131.41 | 233.43 | -3.09 | DELL ahead |
| 2026-05-21 | 129.78 | 199.91 | -2.28 | DELL ahead |
| 2026-05-20 | 128.62 | 192.10 | -2.12 | DELL ahead |
| 2026-05-19 | 127.22 | 186.04 | -2.02 | DELL ahead |
| 2026-05-18 | 126.74 | 188.23 | -2.14 | DELL ahead |
| 2026-05-15 | 127.76 | 191.36 | -2.23 | DELL ahead |
| 2026-05-14 | 126.90 | 196.02 | -2.46 | DELL ahead |
| 2026-05-13 | 127.18 | 192.84 | -2.38 | DELL ahead |
| 2026-05-12 | 125.45 | 188.95 | -2.37 | DELL ahead |
| 2026-05-11 | 124.54 | 195.35 | -2.68 | DELL ahead |
| 2026-05-08 | 124.82 | 205.96 | -3.07 | DELL ahead |
| 2026-05-07 | 122.31 | 182.09 | -2.43 | DELL ahead |
| 2026-05-06 | 122.34 | 188.83 | -2.72 | DELL ahead |
| 2026-05-05 | 120.93 | 171.06 | -2.16 | DELL ahead |
| 2026-05-04 | 117.80 | 167.36 | -2.21 | DELL ahead |
| 2026-05-01 | 119.21 | 166.19 | -2.11 | DELL ahead |
| 2026-04-30 | 115.47 | 165.23 | -2.31 | DELL ahead |
| 2026-04-29 | 114.97 | 162.63 | -2.26 | DELL ahead |
| 2026-04-28 | 115.20 | 162.84 | -2.29 | DELL ahead |
| 2026-04-27 | 113.88 | 170.78 | -2.75 | DELL ahead |
| 2026-04-24 | 115.34 | 170.88 | -2.70 | DELL ahead |
| 2026-04-23 | 116.35 | 167.75 | -2.54 | DELL ahead |
| 2026-04-22 | 116.24 | 169.74 | -2.67 | DELL ahead |
| 2026-04-21 | 113.26 | 167.93 | -2.83 | DELL ahead |
| 2026-04-20 | 116.19 | 161.51 | -2.39 | DELL ahead |
| 2026-04-17 | 114.99 | 155.42 | -2.21 | DELL ahead |
| 2026-04-16 | 112.09 | 152.69 | -2.29 | DELL ahead |
| 2026-04-15 | 113.37 | 140.19 | -1.59 | DELL ahead |
| 2026-04-14 | 110.14 | 145.90 | -2.11 | DELL ahead |
| 2026-04-13 | 110.30 | 150.08 | -2.34 | DELL ahead |
| 2026-04-10 | 110.84 | 140.60 | -1.84 | DELL ahead |
| 2026-04-09 | 110.85 | 143.49 | -2.00 | DELL ahead |
| 2026-04-08 | 110.17 | 146.66 | -2.22 | DELL ahead |
| 2026-04-07 | 107.87 | 140.51 | -2.07 | DELL ahead |
| 2026-04-06 | 110.15 | 136.94 | -1.75 | DELL ahead |
| 2026-04-02 | 108.90 | 137.89 | -1.90 | DELL ahead |
| 2026-04-01 | 108.78 | 133.94 | -1.70 | DELL ahead |
| 2026-03-31 | 108.00 | 129.79 | -1.54 | DELL ahead |
| 2026-03-30 | 104.95 | 130.21 | -1.79 | DELL ahead |
| 2026-03-27 | 105.87 | 135.86 | -2.06 | DELL ahead |
| 2026-03-26 | 107.61 | 139.03 | -2.13 | DELL ahead |
| 2026-03-25 | 107.50 | 145.51 | -2.52 | DELL ahead |
| 2026-03-24 | 107.08 | 139.89 | -2.29 | DELL ahead |
| 2026-03-23 | 107.02 | 130.15 | -1.76 | DELL ahead |
| 2026-03-20 | 105.53 | 124.68 | -1.56 | DELL ahead |
| 2026-03-19 | 105.94 | 123.96 | -1.49 | DELL ahead |
| 2026-03-18 | 106.36 | 117.99 | -1.10 | DELL ahead |
| 2026-03-17 | 108.18 | 120.99 | -1.17 | DELL ahead |
| 2026-03-16 | 107.58 | 123.79 | -1.40 | DELL ahead |
| 2026-03-13 | 106.43 | 119.90 | -1.24 | DELL ahead |
| 2026-03-12 | 108.83 | 118.54 | -0.99 | DELL ahead |
| 2026-03-11 | 110.98 | 116.53 | -0.72 | DELL ahead |
| 2026-03-10 | 110.99 | 113.71 | -0.54 | DELL ahead |
| 2026-03-09 | 110.59 | 115.85 | -0.71 | DELL ahead |
| 2026-03-06 | 109.56 | 115.83 | -0.79 | DELL ahead |
| 2026-03-05 | 110.76 | 115.86 | -0.71 | DELL ahead |
| 2026-03-04 | 111.71 | 116.32 | -0.68 | DELL ahead |
| 2026-03-03 | 112.23 | 114.80 | -0.56 | DELL ahead |
| 2026-03-02 | 112.65 | 121.42 | -0.95 | DELL ahead |
| 2026-02-27 | 112.42 | 117.10 | -0.70 | DELL ahead |
| 2026-02-26 | 116.15 | 96.04 | +0.99 | AAPL ahead |
| 2026-02-25 | 116.69 | 97.64 | +0.91 | AAPL ahead |
| 2026-02-24 | 115.80 | 94.72 | +1.08 | AAPL ahead |
| 2026-02-23 | 113.27 | 94.21 | +0.96 | AAPL ahead |
| 2026-02-20 | 112.59 | 96.69 | +0.72 | AAPL ahead |
| 2026-02-19 | 110.89 | 94.15 | +0.81 | AAPL ahead |
| 2026-02-18 | 112.49 | 92.35 | +1.06 | AAPL ahead |
| 2026-02-17 | 112.29 | 91.80 | +1.10 | AAPL ahead |
| 2026-02-13 | 108.84 | 92.91 | +0.78 | AAPL ahead |
| 2026-02-12 | 111.37 | 89.21 | +1.26 | AAPL ahead |
| 2026-02-11 | 117.23 | 98.18 | +0.93 | AAPL ahead |
| 2026-02-10 | 116.46 | 99.64 | +0.77 | AAPL ahead |
| 2026-02-09 | 116.86 | 95.61 | +1.11 | AAPL ahead |
| 2026-02-06 | 118.35 | 95.72 | +1.19 | AAPL ahead |
| 2026-02-05 | 117.41 | 91.25 | +1.50 | AAPL ahead |
| 2026-02-04 | 117.66 | 96.50 | +1.09 | AAPL ahead |
| 2026-02-03 | 114.67 | 92.64 | +1.21 | AAPL ahead |
| 2026-02-02 | 114.90 | 94.23 | +1.09 | AAPL ahead |
| 2026-01-30 | 110.42 | 90.50 | +1.10 | AAPL ahead |
| 2026-01-29 | 109.91 | 93.70 | +0.80 | AAPL ahead |
| 2026-01-28 | 109.12 | 92.77 | +0.82 | AAPL ahead |
| 2026-01-27 | 109.90 | 90.67 | +1.05 | AAPL ahead |
| 2026-01-26 | 108.69 | 91.67 | +0.89 | AAPL ahead |
| 2026-01-23 | 105.55 | 91.28 | +0.71 | AAPL ahead |
| 2026-01-22 | 105.68 | 92.65 | +0.60 | AAPL ahead |
| 2026-01-21 | 105.38 | 89.56 | +0.84 | AAPL ahead |
| 2026-01-20 | 104.98 | 87.83 | +0.96 | AAPL ahead |
| 2026-01-16 | 108.74 | 95.31 | +0.61 | AAPL ahead |
| 2026-01-15 | 109.88 | 94.62 | +0.74 | AAPL ahead |
| 2026-01-14 | 110.62 | 93.86 | +0.86 | AAPL ahead |
| 2026-01-13 | 111.09 | 94.62 | +0.83 | AAPL ahead |
| 2026-01-12 | 110.74 | 95.26 | +0.76 | AAPL ahead |
| 2026-01-09 | 110.37 | 95.38 | +0.73 | AAPL ahead |
| 2026-01-08 | 110.23 | 93.71 | +0.85 | AAPL ahead |
| 2026-01-07 | 110.78 | 94.95 | +0.80 | AAPL ahead |
| 2026-01-06 | 111.64 | 98.00 | +0.62 | AAPL ahead |
| 2026-01-05 | 113.73 | 98.06 | +0.75 | AAPL ahead |
| 2026-01-02 | 115.32 | 101.06 | +0.63 | AAPL ahead |
| 2025-12-31 | 115.69 | 99.54 | +0.76 | AAPL ahead |
| 2025-12-30 | 116.20 | 101.15 | +0.68 | AAPL ahead |
| 2025-12-29 | 116.49 | 100.79 | +0.72 | AAPL ahead |
| 2025-12-26 | 116.34 | 102.20 | +0.61 | AAPL ahead |
| 2025-12-24 | 116.51 | 101.52 | +0.67 | AAPL ahead |
| 2025-12-23 | 115.90 | 100.92 | +0.67 | AAPL ahead |
| 2025-12-22 | 115.31 | 100.12 | +0.69 | AAPL ahead |
| 2025-12-19 | 116.46 | 99.97 | +0.78 | AAPL ahead |
| 2025-12-18 | 115.83 | 97.22 | +0.95 | AAPL ahead |
| 2025-12-17 | 115.68 | 101.13 | +0.64 | AAPL ahead |
| 2025-12-16 | 116.86 | 105.76 | +0.38 | near the usual relationship |
| 2025-12-15 | 116.64 | 103.20 | +0.55 | AAPL ahead |
| 2025-12-12 | 118.42 | 102.78 | +0.70 | AAPL ahead |
| 2025-12-11 | 118.31 | 109.60 | +0.20 | near the usual relationship |
| 2025-12-10 | 118.63 | 111.21 | +0.12 | near the usual relationship |
| 2025-12-09 | 117.95 | 109.30 | +0.20 | near the usual relationship |
| 2025-12-08 | 118.25 | 111.03 | +0.11 | near the usual relationship |
| 2025-12-05 | 118.63 | 109.85 | +0.21 | near the usual relationship |
| 2025-12-04 | 119.45 | 109.91 | +0.26 | near the usual relationship |
| 2025-12-03 | 120.91 | 105.67 | +0.65 | AAPL ahead |
| 2025-12-02 | 121.78 | 107.50 | +0.58 | AAPL ahead |
| 2025-12-01 | 120.47 | 104.45 | +0.72 | AAPL ahead |
| 2025-11-28 | 118.66 | 105.45 | +0.54 | AAPL ahead |
| 2025-11-26 | 118.11 | 105.38 | +0.52 | AAPL ahead |
| 2025-11-25 | 117.86 | 99.57 | +0.93 | AAPL ahead |
| 2025-11-24 | 117.41 | 100.60 | +0.84 | AAPL ahead |
| 2025-11-21 | 115.53 | 96.88 | +1.00 | AAPL ahead |
| 2025-11-20 | 113.30 | 92.84 | +1.19 | AAPL ahead |
| 2025-11-19 | 114.28 | 94.40 | +1.14 | AAPL ahead |
| 2025-11-18 | 113.80 | 97.02 | +0.91 | AAPL ahead |
| 2025-11-17 | 113.81 | 96.85 | +0.93 | AAPL ahead |
| 2025-11-14 | 115.92 | 105.77 | +0.41 | near the usual relationship |
| 2025-11-13 | 116.15 | 105.91 | +0.42 | near the usual relationship |
| 2025-11-12 | 116.37 | 111.27 | +0.07 | near the usual relationship |
| 2025-11-11 | 117.13 | 109.73 | +0.23 | near the usual relationship |
| 2025-11-10 | 114.65 | 112.83 | -0.13 | near the usual relationship |
| 2025-11-07 | 114.24 | 116.01 | -0.36 | near the usual relationship |
| 2025-11-06 | 114.80 | 117.97 | -0.44 | near the usual relationship |
| 2025-11-05 | 114.95 | 120.52 | -0.59 | DELL ahead |
| 2025-11-04 | 114.91 | 122.28 | -0.70 | DELL ahead |
| 2025-11-03 | 114.49 | 126.61 | -0.98 | DELL ahead |
| 2025-10-31 | 115.05 | 128.11 | -1.04 | DELL ahead |
| 2025-10-30 | 115.49 | 127.32 | -0.97 | DELL ahead |
| 2025-10-29 | 114.77 | 129.37 | -1.14 | DELL ahead |
| 2025-10-28 | 114.47 | 130.38 | -1.23 | DELL ahead |
| 2025-10-27 | 114.39 | 128.25 | -1.12 | DELL ahead |
| 2025-10-24 | 111.84 | 125.45 | -1.13 | DELL ahead |
| 2025-10-23 | 110.46 | 121.96 | -1.02 | DELL ahead |
| 2025-10-22 | 109.98 | 118.72 | -0.85 | DELL ahead |
| 2025-10-21 | 111.82 | 118.16 | -0.69 | DELL ahead |
| 2025-10-20 | 111.59 | 116.93 | -0.63 | DELL ahead |
| 2025-10-17 | 107.36 | 118.29 | -1.01 | DELL ahead |
| 2025-10-16 | 105.30 | 119.65 | -1.25 | DELL ahead |
| 2025-10-15 | 106.10 | 121.54 | -1.32 | DELL ahead |
| 2025-10-14 | 105.43 | 117.64 | -1.12 | DELL ahead |
| 2025-10-13 | 105.39 | 121.30 | -1.37 | DELL ahead |
| 2025-10-10 | 104.37 | 119.07 | -1.31 | DELL ahead |
| 2025-10-09 | 108.10 | 123.32 | -1.32 | DELL ahead |
| 2025-10-08 | 109.81 | 130.10 | -1.62 | DELL ahead |
| 2025-10-07 | 109.14 | 119.30 | -1.01 | DELL ahead |
| 2025-10-06 | 109.23 | 115.26 | -0.74 | DELL ahead |
| 2025-10-03 | 109.80 | 111.29 | -0.43 | near the usual relationship |
| 2025-10-02 | 109.42 | 116.53 | -0.82 | DELL ahead |
| 2025-10-01 | 108.70 | 118.36 | -1.00 | DELL ahead |
| 2025-09-30 | 108.35 | 112.11 | -0.60 | DELL ahead |
| 2025-09-29 | 108.27 | 105.88 | -0.17 | near the usual relationship |
| 2025-09-26 | 108.71 | 103.40 | +0.05 | near the usual relationship |
| 2025-09-25 | 109.31 | 103.56 | +0.08 | near the usual relationship |
| 2025-09-24 | 107.37 | 104.45 | -0.12 | near the usual relationship |
| 2025-09-23 | 108.27 | 106.23 | -0.19 | near the usual relationship |
| 2025-09-22 | 108.97 | 107.30 | -0.22 | near the usual relationship |
| 2025-09-19 | 104.47 | 104.33 | -0.33 | near the usual relationship |
| 2025-09-18 | 101.23 | 104.47 | -0.58 | DELL ahead |
| 2025-09-17 | 101.70 | 103.07 | -0.45 | near the usual relationship |
| 2025-09-16 | 101.34 | 100.96 | -0.31 | near the usual relationship |
| 2025-09-15 | 100.72 | 100.27 | -0.31 | near the usual relationship |
| 2025-09-12 | 99.60 | 98.88 | -0.29 | near the usual relationship |
| 2025-09-11 | 97.89 | 99.14 | -0.45 | near the usual relationship |
| 2025-09-10 | 96.51 | 98.41 | -0.51 | DELL ahead |
| 2025-09-09 | 99.72 | 95.91 | -0.06 | near the usual relationship |
| 2025-09-08 | 101.23 | 97.26 | -0.05 | near the usual relationship |
| 2025-09-05 | 102.00 | 98.71 | -0.11 | near the usual relationship |
| 2025-09-04 | 102.03 | 100.17 | -0.22 | near the usual relationship |
| 2025-09-03 | 101.48 | 98.07 | -0.10 | near the usual relationship |
| 2025-09-02 | 97.75 | 95.65 | -0.20 | near the usual relationship |
| 2025-08-29 | 98.78 | 96.59 | -0.20 | near the usual relationship |
| 2025-08-28 | 98.96 | 106.00 | -0.91 | DELL ahead |
| 2025-08-27 | 98.08 | 104.78 | -0.89 | DELL ahead |
| 2025-08-26 | 97.58 | 103.58 | -0.85 | DELL ahead |
| 2025-08-25 | 96.66 | 103.60 | -0.93 | DELL ahead |
| 2025-08-22 | 96.92 | 103.46 | -0.91 | DELL ahead |
| 2025-08-21 | 95.70 | 101.08 | -0.83 | DELL ahead |
| 2025-08-20 | 96.17 | 101.60 | -0.83 | DELL ahead |
| 2025-08-19 | 98.11 | 106.91 | -1.08 | DELL ahead |
| 2025-08-18 | 98.25 | 109.23 | -1.25 | DELL ahead |
| 2025-08-15 | 98.55 | 109.35 | -1.25 | DELL ahead |
| 2025-08-14 | 99.06 | 109.81 | -1.25 | DELL ahead |
| 2025-08-13 | 99.29 | 110.03 | -1.26 | DELL ahead |
| 2025-08-12 | 97.72 | 112.00 | -1.53 | DELL ahead |
| 2025-08-11 | 96.67 | 109.38 | -1.44 | DELL ahead |
| 2025-08-08 | 97.60 | 108.82 | -1.34 | DELL ahead |
| 2025-08-07 | 93.63 | 105.91 | -1.46 | DELL ahead |
| 2025-08-06 | 90.74 | 101.33 | -1.38 | DELL ahead |
| 2025-08-05 | 86.35 | 103.18 | -1.93 | DELL ahead |
| 2025-08-04 | 86.53 | 102.98 | -1.92 | DELL ahead |
| 2025-08-01 | 86.12 | 100.68 | -1.80 | DELL ahead |
| 2025-07-31 | 88.33 | 104.93 | -1.95 | DELL ahead |
| 2025-07-30 | 88.96 | 105.60 | -1.96 | DELL ahead |
| 2025-07-29 | 89.90 | 105.57 | -1.90 | DELL ahead |
| 2025-07-28 | 91.09 | 105.85 | -1.83 | DELL ahead |
| 2025-07-25 | 91.01 | 103.76 | -1.68 | DELL ahead |
| 2025-07-24 | 90.96 | 101.49 | -1.50 | DELL ahead |
| 2025-07-23 | 91.13 | 100.60 | -1.42 | DELL ahead |
| 2025-07-22 | 91.23 | 98.32 | -1.22 | DELL ahead |
| 2025-07-21 | 90.42 | 101.98 | -1.61 | DELL ahead |
| 2025-07-18 | 89.86 | 103.78 | -1.82 | DELL ahead |
| 2025-07-17 | 89.37 | 97.96 | -1.38 | DELL ahead |
| 2025-07-16 | 89.43 | 97.71 | -1.35 | DELL ahead |
| 2025-07-15 | 88.98 | 99.39 | -1.53 | DELL ahead |
| 2025-07-14 | 88.77 | 99.38 | -1.55 | DELL ahead |
| 2025-07-11 | 89.86 | 100.29 | -1.51 | DELL ahead |
| 2025-07-10 | 90.39 | 101.15 | -1.53 | DELL ahead |
| 2025-07-09 | 89.85 | 100.13 | -1.49 | DELL ahead |
| 2025-07-08 | 89.37 | 98.36 | -1.38 | DELL ahead |
| 2025-07-07 | 89.34 | 98.66 | -1.39 | DELL ahead |
| 2025-07-03 | 90.87 | 99.02 | -1.27 | DELL ahead |
| 2025-07-02 | 90.40 | 97.64 | -1.19 | DELL ahead |
| 2025-07-01 | 88.43 | 96.26 | -1.24 | DELL ahead |
| 2025-06-30 | 87.31 | 96.95 | -1.39 | DELL ahead |
| 2025-06-27 | 85.57 | 98.05 | -1.63 | DELL ahead |
| 2025-06-26 | 85.53 | 99.62 | -1.76 | DELL ahead |
| 2025-06-25 | 85.77 | 95.26 | -1.36 | DELL ahead |
| 2025-06-24 | 85.23 | 95.36 | -1.40 | DELL ahead |
| 2025-06-23 | 85.74 | 93.33 | -1.17 | DELL ahead |
| 2025-06-20 | 85.53 | 94.39 | -1.26 | DELL ahead |
| 2025-06-18 | 83.65 | 92.17 | -1.24 | DELL ahead |
| 2025-06-17 | 83.25 | 91.67 | -1.23 | DELL ahead |
| 2025-06-16 | 84.43 | 89.94 | -0.98 | DELL ahead |
| 2025-06-13 | 83.60 | 86.64 | -0.76 | DELL ahead |
| 2025-06-12 | 84.77 | 89.67 | -0.90 | DELL ahead |
| 2025-06-11 | 84.59 | 87.96 | -0.76 | DELL ahead |
| 2025-06-10 | 86.24 | 89.55 | -0.74 | DELL ahead |
| 2025-06-09 | 85.72 | 90.32 | -0.83 | DELL ahead |
| 2025-06-06 | 86.77 | 89.95 | -0.70 | DELL ahead |
| 2025-06-05 | 85.37 | 88.42 | -0.68 | DELL ahead |
| 2025-06-04 | 86.31 | 89.12 | -0.64 | DELL ahead |
| 2025-06-03 | 86.50 | 88.49 | -0.55 | DELL ahead |
| 2025-06-02 | 85.83 | 85.47 | -0.33 | near the usual relationship |
| 2025-05-30 | 85.47 | 87.99 | -0.53 | DELL ahead |
| 2025-05-29 | 85.09 | 89.85 | -0.67 | DELL ahead |
| 2025-05-28 | 85.29 | 89.97 | -0.64 | DELL ahead |
| 2025-05-27 | 85.20 | 90.14 | -0.65 | DELL ahead |
| 2025-05-23 | 83.09 | 88.65 | -0.68 | DELL ahead |
| 2025-05-22 | 85.69 | 88.53 | -0.47 | near the usual relationship |
| 2025-05-21 | 86.00 | 88.51 | -0.44 | near the usual relationship |
| 2025-05-20 | 88.03 | 90.33 | -0.41 | near the usual relationship |
| 2025-05-19 | 88.84 | 90.37 | -0.34 | near the usual relationship |
| 2025-05-16 | 89.90 | 90.30 | -0.26 | near the usual relationship |
| 2025-05-15 | 89.98 | 87.67 | -0.08 | near the usual relationship |
| 2025-05-14 | 90.35 | 87.79 | -0.05 | near the usual relationship |
| 2025-05-13 | 90.61 | 85.28 | +0.14 | near the usual relationship |
| 2025-05-12 | 89.70 | 81.78 | +0.33 | near the usual relationship |
| 2025-05-09 | 84.48 | 75.84 | +0.42 | near the usual relationship |
| 2025-05-08 | 84.04 | 76.09 | +0.38 | near the usual relationship |
| 2025-05-07 | 83.51 | 75.75 | +0.37 | near the usual relationship |
| 2025-05-06 | 84.47 | 74.29 | +0.55 | AAPL ahead |
| 2025-05-05 | 84.63 | 74.62 | +0.54 | AAPL ahead |
| 2025-05-02 | 87.38 | 74.80 | +0.71 | AAPL ahead |
| 2025-05-01 | 90.77 | 72.71 | +1.08 | AAPL ahead |
| 2025-04-30 | 90.43 | 72.56 | +1.08 | AAPL ahead |
| 2025-04-29 | 89.88 | 74.16 | +0.94 | AAPL ahead |
| 2025-04-28 | 89.42 | 74.70 | +0.88 | AAPL ahead |
| 2025-04-25 | 89.06 | 75.04 | +0.84 | AAPL ahead |
| 2025-04-24 | 88.67 | 74.65 | +0.85 | AAPL ahead |
| 2025-04-23 | 87.06 | 70.50 | +1.06 | AAPL ahead |
| 2025-04-22 | 85.00 | 66.49 | +1.26 | AAPL ahead |
| 2025-04-21 | 82.20 | 65.15 | +1.19 | AAPL ahead |
| 2025-04-17 | 83.82 | 67.06 | +1.15 | AAPL ahead |
| 2025-04-16 | 82.67 | 65.92 | +1.18 | AAPL ahead |
| 2025-04-15 | 86.02 | 67.60 | +1.27 | AAPL ahead |
| 2025-04-14 | 86.18 | 67.37 | +1.31 | AAPL ahead |
| 2025-04-11 | 84.32 | 64.79 | +1.41 | AAPL ahead |
| 2025-04-10 | 81.03 | 62.42 | +1.40 | AAPL ahead |
| 2025-04-09 | 84.62 | 66.57 | +1.30 | AAPL ahead |
| 2025-04-08 | 73.37 | 57.40 | +1.34 | AAPL ahead |
| 2025-04-07 | 77.22 | 59.31 | +1.45 | AAPL ahead |
| 2025-04-04 | 80.16 | 56.64 | +1.90 | AAPL ahead |
| 2025-04-03 | 86.46 | 61.07 | +1.92 | AAPL ahead |
| 2025-04-02 | 95.27 | 75.38 | +1.33 | AAPL ahead |
| 2025-04-01 | 94.97 | 72.72 | +1.52 | AAPL ahead |
| 2025-03-31 | 94.52 | 72.08 | +1.56 | AAPL ahead |
| 2025-03-28 | 92.72 | 72.98 | +1.40 | AAPL ahead |
| 2025-03-27 | 95.26 | 76.78 | +1.28 | AAPL ahead |
| 2025-03-26 | 94.27 | 76.12 | +1.29 | AAPL ahead |
| 2025-03-25 | 95.21 | 78.17 | +1.21 | AAPL ahead |
| 2025-03-24 | 93.93 | 78.93 | +1.09 | AAPL ahead |
| 2025-03-21 | 92.88 | 77.15 | +1.16 | AAPL ahead |
| 2025-03-20 | 91.11 | 78.22 | +0.99 | AAPL ahead |
| 2025-03-19 | 91.59 | 78.06 | +1.04 | AAPL ahead |
| 2025-03-18 | 90.51 | 76.26 | +1.11 | AAPL ahead |
| 2025-03-17 | 91.06 | 77.23 | +1.08 | AAPL ahead |
| 2025-03-14 | 90.85 | 75.65 | +1.19 | AAPL ahead |
| 2025-03-13 | 89.23 | 73.11 | +1.29 | AAPL ahead |
| 2025-03-12 | 92.33 | 74.79 | +1.36 | AAPL ahead |
| 2025-03-11 | 93.97 | 72.41 | +1.65 | AAPL ahead |
| 2025-03-10 | 96.80 | 71.44 | +1.90 | AAPL ahead |
| 2025-03-07 | 101.73 | 72.32 | +2.13 | AAPL ahead |
| 2025-03-06 | 100.14 | 73.56 | +1.98 | AAPL ahead |
| 2025-03-05 | 100.31 | 76.90 | +1.76 | AAPL ahead |
| 2025-03-04 | 100.40 | 74.39 | +1.97 | AAPL ahead |
| 2025-03-03 | 101.29 | 75.57 | +1.95 | AAPL ahead |
| 2025-02-28 | 102.91 | 81.26 | +1.64 | AAPL ahead |
| 2025-02-27 | 100.98 | 85.27 | +1.27 | AAPL ahead |
| 2025-02-26 | 102.28 | 91.45 | +0.95 | AAPL ahead |
| 2025-02-25 | 105.12 | 87.50 | +1.36 | AAPL ahead |
| 2025-02-24 | 105.15 | 90.26 | +1.18 | AAPL ahead |
| 2025-02-21 | 104.49 | 92.99 | +0.97 | AAPL ahead |
| 2025-02-20 | 104.61 | 94.80 | +0.87 | AAPL ahead |
| 2025-02-19 | 104.20 | 95.65 | +0.79 | AAPL ahead |
| 2025-02-18 | 104.03 | 95.16 | +0.81 | AAPL ahead |
| 2025-02-14 | 104.09 | 90.45 | +1.10 | AAPL ahead |
| 2025-02-13 | 102.78 | 87.19 | +1.23 | AAPL ahead |
| 2025-02-12 | 100.80 | 89.29 | +0.99 | AAPL ahead |
| 2025-02-11 | 98.99 | 88.12 | +0.96 | AAPL ahead |
| 2025-02-10 | 96.87 | 88.81 | +0.79 | AAPL ahead |
| 2025-02-07 | 96.86 | 84.11 | +1.09 | AAPL ahead |
| 2025-02-06 | 99.24 | 83.76 | +1.25 | AAPL ahead |
| 2025-02-05 | 98.92 | 82.60 | +1.31 | AAPL ahead |
| 2025-02-04 | 99.06 | 80.40 | +1.47 | AAPL ahead |
| 2025-02-03 | 97.03 | 79.15 | +1.44 | AAPL ahead |
| 2025-01-31 | 100.43 | 81.92 | +1.44 | AAPL ahead |
| 2025-01-30 | 101.10 | 83.31 | +1.39 | AAPL ahead |
| 2025-01-29 | 101.86 | 81.53 | +1.55 | AAPL ahead |
| 2025-01-28 | 101.39 | 80.10 | +1.62 | AAPL ahead |
| 2025-01-27 | 97.81 | 82.11 | +1.28 | AAPL ahead |
| 2025-01-24 | 94.80 | 89.93 | +0.59 | AAPL ahead |
| 2025-01-23 | 95.17 | 90.32 | +0.58 | AAPL ahead |
| 2025-01-22 | 95.25 | 91.03 | +0.54 | AAPL ahead |
| 2025-01-21 | 94.74 | 88.21 | +0.67 | AAPL ahead |
| 2025-01-17 | 97.86 | 86.70 | +0.94 | AAPL ahead |
| 2025-01-16 | 97.13 | 87.07 | +0.87 | AAPL ahead |
| 2025-01-15 | 101.22 | 86.38 | +1.14 | AAPL ahead |
| 2025-01-14 | 99.27 | 86.24 | +1.03 | AAPL ahead |
| 2025-01-13 | 99.74 | 87.12 | +1.00 | AAPL ahead |
| 2025-01-10 | 100.79 | 90.76 | +0.83 | AAPL ahead |
| 2025-01-08 | 103.28 | 94.35 | +0.74 | AAPL ahead |
| 2025-01-07 | 103.07 | 95.90 | +0.64 | AAPL ahead |
| 2025-01-06 | 104.26 | 98.58 | +0.55 | AAPL ahead |
| 2025-01-03 | 103.56 | 94.82 | +0.71 | AAPL ahead |
| 2025-01-02 | 103.77 | 92.15 | +0.87 | AAPL ahead |
| 2024-12-31 | 106.56 | 91.13 | +1.06 | AAPL ahead |
| 2024-12-30 | 107.32 | 90.80 | +1.11 | AAPL ahead |
| 2024-12-27 | 108.76 | 92.78 | +1.06 | AAPL ahead |
| 2024-12-26 | 110.22 | 94.32 | +1.03 | AAPL ahead |
| 2024-12-24 | 109.87 | 94.05 | +1.02 | AAPL ahead |
| 2024-12-23 | 108.63 | 93.96 | +0.96 | AAPL ahead |
| 2024-12-20 | 108.29 | 91.55 | +1.07 | AAPL ahead |
| 2024-12-19 | 106.29 | 88.53 | +1.13 | AAPL ahead |
| 2024-12-18 | 105.55 | 89.10 | +1.05 | AAPL ahead |
| 2024-12-17 | 107.86 | 93.53 | +0.90 | AAPL ahead |
| 2024-12-16 | 106.83 | 94.31 | +0.80 | AAPL ahead |
| 2024-12-13 | 105.59 | 93.67 | +0.77 | AAPL ahead |
| 2024-12-12 | 105.51 | 94.24 | +0.72 | AAPL ahead |
| 2024-12-11 | 104.89 | 93.86 | +0.70 | AAPL ahead |
| 2024-12-10 | 105.43 | 92.35 | +0.79 | AAPL ahead |
| 2024-12-09 | 105.00 | 97.90 | +0.48 | near the usual relationship |
| 2024-12-06 | 103.34 | 97.58 | +0.41 | near the usual relationship |
| 2024-12-05 | 103.42 | 98.90 | +0.34 | near the usual relationship |
| 2024-12-04 | 103.41 | 99.72 | +0.29 | near the usual relationship |
| 2024-12-03 | 103.26 | 99.29 | +0.30 | near the usual relationship |
| 2024-12-02 | 101.95 | 99.51 | +0.22 | near the usual relationship |
| 2024-11-29 | 100.99 | 100.89 | +0.11 | near the usual relationship |
| 2024-11-27 | 99.97 | 98.36 | +0.17 | near the usual relationship |
| 2024-11-26 | 100.03 | 112.08 | -0.42 | near the usual relationship |
| 2024-11-25 | 99.09 | 114.00 | -0.55 | DELL ahead |
| 2024-11-22 | 97.82 | 114.04 | -0.62 | DELL ahead |
| 2024-11-21 | 97.24 | 109.85 | -0.48 | near the usual relationship |
| 2024-11-20 | 97.45 | 105.93 | -0.31 | near the usual relationship |
| 2024-11-19 | 97.14 | 107.46 | -0.40 | near the usual relationship |
| 2024-11-18 | 97.03 | 107.55 | -0.41 | near the usual relationship |
| 2024-11-15 | 95.74 | 104.10 | -0.33 | near the usual relationship |
| 2024-11-14 | 97.11 | 106.30 | -0.37 | near the usual relationship |
| 2024-11-13 | 95.80 | 106.38 | -0.44 | near the usual relationship |
| 2024-11-12 | 95.42 | 107.92 | -0.52 | DELL ahead |
| 2024-11-11 | 95.42 | 109.53 | -0.59 | DELL ahead |
| 2024-11-08 | 96.58 | 106.14 | -0.41 | near the usual relationship |
| 2024-11-07 | 96.80 | 109.02 | -0.52 | DELL ahead |
| 2024-11-06 | 94.77 | 109.40 | -0.63 | DELL ahead |
| 2024-11-05 | 95.09 | 105.54 | -0.47 | near the usual relationship |
| 2024-11-04 | 94.47 | 102.68 | -0.39 | near the usual relationship |
| 2024-11-01 | 94.86 | 103.49 | -0.41 | near the usual relationship |
| 2024-10-31 | 96.13 | 97.76 | -0.11 | near the usual relationship |
| 2024-10-30 | 97.91 | 102.32 | -0.23 | near the usual relationship |
| 2024-10-29 | 99.43 | 96.18 | +0.09 | near the usual relationship |
| 2024-10-28 | 99.32 | 95.41 | +0.11 | near the usual relationship |
| 2024-10-25 | 98.47 | 96.91 | +0.00 | near the usual relationship |
| 2024-10-24 | 98.11 | 95.34 | +0.05 | near the usual relationship |
| 2024-10-23 | 98.20 | 94.49 | +0.09 | near the usual relationship |
| 2024-10-22 | 100.37 | 95.21 | +0.14 | near the usual relationship |
| 2024-10-21 | 100.63 | 99.37 | -0.03 | near the usual relationship |
| 2024-10-18 | 100.00 | 100.00 | -0.09 | near the usual relationship |
One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Feb 27, 2026 (AAPL -3.2%, DELL +21.9%); May 22, 2026 (AAPL +1.3%, DELL +16.8%); May 29, 2026 (AAPL -0.1%, DELL +32.8%). Upcoming earnings: AAPL Nov 2, 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
AAPL and DELL at a glance
AAPL Apple Inc.
- Listing
- Nasdaq · SEC CIK 320193
- Industry
- Computer Manufacturing · SIC 3571 Electronic Computers
- Market value
- $5.00T
- Price history
- 2,521 daily closes, Oct 12, 2016 to Oct 22, 2026
DELL Dell Technologies Inc.
- Listing
- NYSE · SEC CIK 1571996
- Industry
- Computer Manufacturing · SIC 3571 Electronic Computers
- Market value
- $289.6B
- Price history
- 1,970 daily closes, Dec 20, 2018 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 AAPL and DELL
| Pair | Status | Ahead now | Industry |
|---|---|---|---|
| AAPL / IBM | Watchlist | AAPL by 1.14 sd | Computer Manufacturing |
| DELL / SMCI | Watchlist | DELL by 1.09 sd | SIC 3571 Electronic Computers |
| DELL / IBM | Watchlist | DELL by 1.01 sd | Computer Manufacturing |
| AAPL / SMCI | Watchlist | AAPL by 0.91 sd | SIC 3571 Electronic Computers |
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.
