Halliburton Company vs SLB Limited
WatchlistHAL / SLBPrices through Oct 22, 2026
Why these are rivals: #1 and #2 by market value ($73B vs $27B) in Nasdaq's "Oilfield Services/Equipment" industry; SEC SIC 1389 / 1389 (same major group); #1 and #2 by market value ($73B vs $27B) with SEC SIC 1389 (Oil & Gas Field Services, NEC).
Rivals, but right now the price gap does not have a measured habit of closing, so there is no paper idea, whatever the gap.
- Mean reversion: ADF t-statistic of the spread: -2.00 (needs <= -2.873 (5% critical value))
Business leadership
SLB is the larger business
Annual revenue reported to the SEC. Scale, not market share.
| Year | HAL | SLB | Larger |
|---|---|---|---|
| 2025 | $22.2B | $35.7B | SLB |
| 2024 | $22.9B | $36.3B | SLB |
| 2023 | $23.0B | $33.1B | SLB |
| 2022 | $20.3B | $28.1B | SLB |
| 2021 | $15.3B | $22.9B | SLB |
| 2020 | $14.4B | $23.6B | SLB |
SLB led in every year with figures for both. Market value: HAL $27.5B, SLB $72.9B.
Stock leadership
SLB is ahead now
Measured against the pair's own last 252 trading days.
SLB leads HAL by 0.88 standard deviations: +5.3% over its usual price ratio. 1 lead switch in the last year.
| Price change | 3 mo | 6 mo | 12 mo |
|---|---|---|---|
| HAL | -0.5% | -16.3% | +31.5% |
| SLB | -5.5% | -9.5% | +47.8% |
Relationship
Not a measured twin today
Only these tests can make a pair tradable on paper.
- Pass
- Aligned sessions: 2520 (needs >= 254)
- Pass
- Co-movement: daily return correlation, 252 sessions: 0.74 (needs >= 0.60)
- Fail
- Mean reversion: ADF t-statistic of the spread: -2.00 (needs <= -2.873 (5% critical value))
- Pass
- Speed: half-life of the spread, sessions: 18.95 (needs <= 63)
- Data
- Both stocks current
The twins over two years
Prices side by side, and the gap between them
HAL Halliburton Company SLB SLB LimitedPrice 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: HAL relative to SLB, against the 252 sessions before each day. Above 0: HAL ahead; below 0: SLB ahead. Lines at +/-2 (idea) and +/-4 (stop).
Data table (504 sessions)
| Date | HAL index | SLB index | z | Ahead |
|---|---|---|---|---|
| 2026-10-22 | 117.15 | 118.20 | -0.88 | SLB ahead |
| 2026-10-21 | 119.98 | 121.90 | -1.00 | SLB ahead |
| 2026-10-20 | 118.57 | 119.23 | -0.82 | SLB ahead |
| 2026-10-19 | 116.41 | 117.10 | -0.83 | SLB ahead |
| 2026-10-16 | 118.25 | 118.08 | -0.71 | SLB ahead |
| 2026-10-15 | 116.10 | 115.39 | -0.63 | SLB ahead |
| 2026-10-14 | 115.88 | 115.72 | -0.71 | SLB ahead |
| 2026-10-13 | 115.74 | 116.34 | -0.82 | SLB ahead |
| 2026-10-12 | 115.07 | 116.34 | -0.93 | SLB ahead |
| 2026-10-09 | 114.90 | 116.77 | -1.02 | SLB ahead |
| 2026-10-08 | 114.97 | 116.84 | -1.03 | SLB ahead |
| 2026-10-07 | 112.07 | 114.41 | -1.11 | SLB ahead |
| 2026-10-06 | 115.50 | 119.27 | -1.32 | SLB ahead |
| 2026-10-05 | 115.71 | 119.94 | -1.40 | SLB ahead |
| 2026-10-02 | 112.42 | 116.27 | -1.37 | SLB ahead |
| 2026-10-01 | 112.53 | 116.08 | -1.34 | SLB ahead |
| 2026-09-30 | 112.25 | 116.22 | -1.41 | SLB ahead |
| 2026-09-29 | 111.33 | 118.96 | -1.99 | SLB ahead |
| 2026-09-28 | 114.47 | 122.83 | -2.09 | SLB ahead |
| 2026-09-25 | 115.64 | 122.95 | -1.95 | SLB ahead |
| 2026-09-24 | 115.64 | 122.69 | -1.93 | SLB ahead |
| 2026-09-23 | 116.52 | 123.74 | -1.96 | SLB ahead |
| 2026-09-22 | 115.95 | 124.33 | -2.15 | SLB ahead |
| 2026-09-21 | 117.86 | 123.47 | -1.72 | SLB ahead |
| 2026-09-18 | 118.74 | 121.95 | -1.35 | SLB ahead |
| 2026-09-17 | 120.12 | 124.24 | -1.47 | SLB ahead |
| 2026-09-16 | 121.81 | 124.76 | -1.29 | SLB ahead |
| 2026-09-15 | 125.91 | 129.29 | -1.32 | SLB ahead |
| 2026-09-14 | 123.58 | 127.19 | -1.35 | SLB ahead |
| 2026-09-11 | 126.51 | 133.73 | -1.81 | SLB ahead |
| 2026-09-10 | 127.32 | 133.61 | -1.67 | SLB ahead |
| 2026-09-09 | 131.06 | 136.09 | -1.46 | SLB ahead |
| 2026-09-08 | 129.90 | 136.21 | -1.62 | SLB ahead |
| 2026-09-04 | 130.85 | 137.19 | -1.61 | SLB ahead |
| 2026-09-03 | 131.63 | 136.95 | -1.46 | SLB ahead |
| 2026-09-02 | 132.83 | 138.67 | -1.51 | SLB ahead |
| 2026-09-01 | 129.90 | 136.33 | -1.59 | SLB ahead |
| 2026-08-31 | 130.07 | 143.37 | -2.43 | SLB ahead |
| 2026-08-28 | 127.71 | 136.76 | -1.93 | SLB ahead |
| 2026-08-27 | 125.27 | 131.23 | -1.55 | SLB ahead |
| 2026-08-26 | 121.57 | 127.86 | -1.61 | SLB ahead |
| 2026-08-25 | 119.31 | 127.12 | -1.82 | SLB ahead |
| 2026-08-24 | 122.24 | 128.82 | -1.63 | SLB ahead |
| 2026-08-21 | 124.74 | 128.51 | -1.25 | SLB ahead |
| 2026-08-20 | 125.98 | 127.74 | -0.97 | SLB ahead |
| 2026-08-19 | 123.61 | 127.74 | -1.28 | SLB ahead |
| 2026-08-18 | 122.34 | 126.93 | -1.35 | SLB ahead |
| 2026-08-17 | 122.59 | 128.48 | -1.51 | SLB ahead |
| 2026-08-14 | 121.50 | 128.27 | -1.63 | SLB ahead |
| 2026-08-13 | 115.92 | 124.19 | -1.88 | SLB ahead |
| 2026-08-12 | 117.51 | 125.50 | -1.82 | SLB ahead |
| 2026-08-11 | 119.31 | 128.05 | -1.91 | SLB ahead |
| 2026-08-10 | 118.74 | 126.91 | -1.84 | SLB ahead |
| 2026-08-07 | 112.57 | 120.54 | -1.88 | SLB ahead |
| 2026-08-06 | 114.75 | 122.95 | -1.89 | SLB ahead |
| 2026-08-05 | 112.32 | 119.06 | -1.72 | SLB ahead |
| 2026-08-04 | 114.23 | 121.21 | -1.75 | SLB ahead |
| 2026-08-03 | 112.57 | 117.63 | -1.50 | SLB ahead |
| 2026-07-31 | 113.84 | 118.30 | -1.40 | SLB ahead |
| 2026-07-30 | 111.68 | 116.67 | -1.49 | SLB ahead |
| 2026-07-29 | 110.10 | 116.79 | -1.75 | SLB ahead |
| 2026-07-28 | 110.24 | 119.23 | -2.08 | SLB ahead |
| 2026-07-27 | 113.41 | 122.92 | -2.12 | SLB ahead |
| 2026-07-24 | 117.76 | 125.05 | -1.77 | SLB ahead |
| 2026-07-23 | 115.46 | 112.64 | -0.34 | near the usual relationship |
| 2026-07-22 | 116.59 | 113.72 | -0.32 | near the usual relationship |
| 2026-07-21 | 117.15 | 111.14 | +0.14 | near the usual relationship |
| 2026-07-20 | 123.93 | 110.66 | +1.14 | HAL ahead |
| 2026-07-17 | 124.32 | 112.09 | +0.99 | HAL ahead |
| 2026-07-16 | 123.69 | 112.31 | +0.88 | HAL ahead |
| 2026-07-15 | 124.43 | 113.43 | +0.82 | HAL ahead |
| 2026-07-14 | 125.03 | 113.41 | +0.91 | HAL ahead |
| 2026-07-13 | 124.29 | 112.98 | +0.88 | HAL ahead |
| 2026-07-10 | 121.39 | 113.93 | +0.38 | near the usual relationship |
| 2026-07-09 | 120.44 | 112.69 | +0.44 | near the usual relationship |
| 2026-07-08 | 123.44 | 113.14 | +0.76 | HAL ahead |
| 2026-07-07 | 119.27 | 110.73 | +0.57 | HAL ahead |
| 2026-07-06 | 116.48 | 109.06 | +0.45 | near the usual relationship |
| 2026-07-02 | 116.34 | 107.66 | +0.63 | HAL ahead |
| 2026-07-01 | 116.52 | 107.56 | +0.67 | HAL ahead |
| 2026-06-30 | 119.84 | 110.90 | +0.64 | HAL ahead |
| 2026-06-29 | 120.33 | 110.64 | +0.74 | HAL ahead |
| 2026-06-26 | 120.76 | 112.12 | +0.60 | HAL ahead |
| 2026-06-25 | 122.38 | 113.12 | +0.67 | HAL ahead |
| 2026-06-24 | 119.66 | 111.19 | +0.61 | HAL ahead |
| 2026-06-23 | 123.93 | 114.00 | +0.76 | HAL ahead |
| 2026-06-22 | 124.14 | 114.38 | +0.74 | HAL ahead |
| 2026-06-18 | 123.30 | 114.72 | +0.61 | HAL ahead |
| 2026-06-17 | 127.89 | 120.06 | +0.49 | near the usual relationship |
| 2026-06-16 | 131.31 | 126.60 | +0.12 | near the usual relationship |
| 2026-06-15 | 134.77 | 128.13 | +0.32 | near the usual relationship |
| 2026-06-12 | 139.78 | 134.02 | +0.21 | near the usual relationship |
| 2026-06-11 | 140.35 | 133.59 | +0.32 | near the usual relationship |
| 2026-06-10 | 140.24 | 132.42 | +0.43 | near the usual relationship |
| 2026-06-09 | 139.85 | 133.23 | +0.32 | near the usual relationship |
| 2026-06-08 | 142.96 | 134.90 | +0.45 | near the usual relationship |
| 2026-06-05 | 138.30 | 130.89 | +0.42 | near the usual relationship |
| 2026-06-04 | 145.50 | 138.38 | +0.36 | near the usual relationship |
| 2026-06-03 | 144.83 | 135.62 | +0.57 | HAL ahead |
| 2026-06-02 | 141.65 | 134.92 | +0.35 | near the usual relationship |
| 2026-06-01 | 138.90 | 130.61 | +0.53 | HAL ahead |
| 2026-05-29 | 137.13 | 130.13 | +0.42 | near the usual relationship |
| 2026-05-28 | 138.83 | 131.49 | +0.45 | near the usual relationship |
| 2026-05-27 | 139.78 | 134.78 | +0.23 | near the usual relationship |
| 2026-05-26 | 145.01 | 138.31 | +0.37 | near the usual relationship |
| 2026-05-22 | 146.38 | 136.64 | +0.65 | HAL ahead |
| 2026-05-21 | 148.11 | 136.57 | +0.81 | HAL ahead |
| 2026-05-20 | 149.31 | 136.64 | +0.91 | HAL ahead |
| 2026-05-19 | 151.71 | 135.42 | +1.23 | HAL ahead |
| 2026-05-18 | 151.01 | 136.33 | +1.09 | HAL ahead |
| 2026-05-15 | 147.41 | 132.11 | +1.19 | HAL ahead |
| 2026-05-14 | 145.75 | 132.99 | +0.98 | HAL ahead |
| 2026-05-13 | 144.79 | 132.11 | +0.98 | HAL ahead |
| 2026-05-12 | 147.19 | 132.73 | +1.14 | HAL ahead |
| 2026-05-11 | 142.11 | 131.04 | +0.87 | HAL ahead |
| 2026-05-08 | 140.59 | 127.08 | +1.12 | HAL ahead |
| 2026-05-07 | 138.09 | 126.43 | +0.97 | HAL ahead |
| 2026-05-06 | 142.61 | 131.58 | +0.88 | HAL ahead |
| 2026-05-05 | 147.26 | 133.59 | +1.09 | HAL ahead |
| 2026-05-04 | 148.18 | 132.71 | +1.25 | HAL ahead |
| 2026-05-01 | 147.05 | 135.78 | +0.90 | HAL ahead |
| 2026-04-30 | 149.31 | 135.69 | +1.10 | HAL ahead |
| 2026-04-29 | 147.58 | 132.87 | +1.22 | HAL ahead |
| 2026-04-28 | 144.05 | 132.75 | +0.95 | HAL ahead |
| 2026-04-27 | 141.65 | 131.75 | +0.85 | HAL ahead |
| 2026-04-24 | 142.46 | 133.95 | +0.73 | HAL ahead |
| 2026-04-23 | 139.96 | 130.58 | +0.82 | HAL ahead |
| 2026-04-22 | 138.05 | 129.65 | +0.75 | HAL ahead |
| 2026-04-21 | 134.66 | 125.88 | +0.81 | HAL ahead |
| 2026-04-20 | 129.47 | 124.52 | +0.49 | near the usual relationship |
| 2026-04-17 | 131.13 | 125.62 | +0.54 | HAL ahead |
| 2026-04-16 | 134.66 | 123.40 | +1.06 | HAL ahead |
| 2026-04-15 | 132.51 | 125.05 | +0.73 | HAL ahead |
| 2026-04-14 | 132.40 | 122.83 | +0.93 | HAL ahead |
| 2026-04-13 | 136.29 | 123.85 | +1.18 | HAL ahead |
| 2026-04-10 | 132.69 | 123.85 | +0.88 | HAL ahead |
| 2026-04-09 | 133.04 | 125.33 | +0.78 | HAL ahead |
| 2026-04-08 | 133.43 | 123.76 | +0.96 | HAL ahead |
| 2026-04-07 | 136.67 | 120.11 | +1.60 | HAL ahead |
| 2026-04-06 | 133.50 | 118.75 | +1.47 | HAL ahead |
| 2026-04-02 | 134.73 | 117.94 | +1.67 | HAL ahead |
| 2026-04-01 | 134.13 | 119.35 | +1.50 | HAL ahead |
| 2026-03-31 | 137.63 | 122.59 | +1.50 | HAL ahead |
| 2026-03-30 | 138.58 | 122.92 | +1.56 | HAL ahead |
| 2026-03-27 | 142.68 | 127.62 | +1.47 | HAL ahead |
| 2026-03-26 | 136.92 | 124.79 | +1.27 | HAL ahead |
| 2026-03-25 | 136.36 | 123.78 | +1.32 | HAL ahead |
| 2026-03-24 | 134.52 | 120.49 | +1.49 | HAL ahead |
| 2026-03-23 | 132.40 | 117.49 | +1.62 | HAL ahead |
| 2026-03-20 | 128.94 | 111.24 | +1.97 | HAL ahead |
| 2026-03-19 | 130.36 | 114.07 | +1.82 | HAL ahead |
| 2026-03-18 | 127.85 | 108.11 | +2.26 | HAL ahead |
| 2026-03-17 | 125.80 | 110.04 | +1.88 | HAL ahead |
| 2026-03-16 | 120.58 | 107.25 | +1.69 | HAL ahead |
| 2026-03-13 | 118.92 | 106.68 | +1.61 | HAL ahead |
| 2026-03-12 | 122.98 | 106.30 | +2.08 | HAL ahead |
| 2026-03-11 | 126.83 | 114.91 | +1.52 | HAL ahead |
| 2026-03-10 | 124.74 | 114.77 | +1.34 | HAL ahead |
| 2026-03-09 | 122.31 | 112.57 | +1.35 | HAL ahead |
| 2026-03-06 | 120.19 | 111.88 | +1.22 | HAL ahead |
| 2026-03-05 | 120.58 | 113.07 | +1.14 | HAL ahead |
| 2026-03-04 | 121.53 | 114.24 | +1.12 | HAL ahead |
| 2026-03-03 | 124.46 | 115.89 | +1.25 | HAL ahead |
| 2026-03-02 | 126.97 | 122.30 | +0.83 | HAL ahead |
| 2026-02-27 | 127.07 | 122.47 | +0.83 | HAL ahead |
| 2026-02-26 | 126.05 | 122.83 | +0.70 | HAL ahead |
| 2026-02-25 | 124.50 | 123.23 | +0.51 | HAL ahead |
| 2026-02-24 | 126.33 | 123.69 | +0.65 | HAL ahead |
| 2026-02-23 | 124.39 | 122.23 | +0.61 | HAL ahead |
| 2026-02-20 | 123.93 | 121.30 | +0.66 | HAL ahead |
| 2026-02-19 | 124.85 | 122.95 | +0.59 | HAL ahead |
| 2026-02-18 | 122.73 | 123.07 | +0.37 | near the usual relationship |
| 2026-02-17 | 118.99 | 118.89 | +0.42 | near the usual relationship |
| 2026-02-13 | 119.87 | 120.21 | +0.37 | near the usual relationship |
| 2026-02-12 | 121.04 | 120.80 | +0.44 | near the usual relationship |
| 2026-02-11 | 123.65 | 123.00 | +0.48 | near the usual relationship |
| 2026-02-10 | 120.08 | 120.04 | +0.42 | near the usual relationship |
| 2026-02-09 | 123.19 | 120.56 | +0.69 | HAL ahead |
| 2026-02-06 | 123.47 | 120.94 | +0.69 | HAL ahead |
| 2026-02-05 | 119.45 | 118.11 | +0.57 | HAL ahead |
| 2026-02-04 | 121.21 | 122.50 | +0.30 | near the usual relationship |
| 2026-02-03 | 119.56 | 118.70 | +0.53 | HAL ahead |
| 2026-02-02 | 115.88 | 114.62 | +0.58 | HAL ahead |
| 2026-01-30 | 118.32 | 115.41 | +0.75 | HAL ahead |
| 2026-01-29 | 117.86 | 115.58 | +0.69 | HAL ahead |
| 2026-01-28 | 117.76 | 116.58 | +0.58 | HAL ahead |
| 2026-01-27 | 120.93 | 120.85 | +0.46 | near the usual relationship |
| 2026-01-26 | 120.58 | 118.56 | +0.67 | HAL ahead |
| 2026-01-23 | 119.84 | 117.25 | +0.73 | HAL ahead |
| 2026-01-22 | 119.03 | 117.65 | +0.60 | HAL ahead |
| 2026-01-21 | 117.76 | 115.74 | +0.67 | HAL ahead |
| 2026-01-20 | 113.17 | 110.81 | +0.72 | HAL ahead |
| 2026-01-16 | 114.97 | 111.47 | +0.84 | HAL ahead |
| 2026-01-15 | 115.71 | 111.09 | +0.96 | HAL ahead |
| 2026-01-14 | 116.63 | 112.05 | +0.95 | HAL ahead |
| 2026-01-13 | 115.11 | 109.49 | +1.08 | HAL ahead |
| 2026-01-12 | 112.60 | 107.71 | +1.01 | HAL ahead |
| 2026-01-09 | 115.18 | 107.82 | +1.28 | HAL ahead |
| 2026-01-08 | 113.55 | 105.99 | +1.32 | HAL ahead |
| 2026-01-07 | 107.24 | 101.07 | +1.20 | HAL ahead |
| 2026-01-06 | 108.82 | 104.08 | +1.01 | HAL ahead |
| 2026-01-05 | 112.67 | 104.48 | +1.41 | HAL ahead |
| 2026-01-02 | 104.48 | 95.90 | +1.54 | HAL ahead |
| 2025-12-31 | 99.75 | 91.56 | +1.55 | HAL ahead |
| 2025-12-30 | 100.56 | 91.96 | +1.60 | HAL ahead |
| 2025-12-29 | 99.36 | 90.41 | +1.67 | HAL ahead |
| 2025-12-26 | 98.69 | 90.15 | +1.63 | HAL ahead |
| 2025-12-24 | 98.94 | 90.58 | +1.61 | HAL ahead |
| 2025-12-23 | 99.44 | 91.13 | +1.60 | HAL ahead |
| 2025-12-22 | 99.51 | 91.44 | +1.57 | HAL ahead |
| 2025-12-19 | 97.85 | 90.84 | +1.45 | HAL ahead |
| 2025-12-18 | 96.93 | 90.96 | +1.31 | HAL ahead |
| 2025-12-17 | 97.92 | 91.91 | +1.31 | HAL ahead |
| 2025-12-16 | 95.98 | 89.72 | +1.37 | HAL ahead |
| 2025-12-15 | 100.28 | 92.80 | +1.50 | HAL ahead |
| 2025-12-12 | 101.02 | 94.11 | +1.42 | HAL ahead |
| 2025-12-11 | 102.79 | 96.23 | +1.36 | HAL ahead |
| 2025-12-10 | 102.51 | 95.25 | +1.46 | HAL ahead |
| 2025-12-09 | 100.88 | 91.36 | +1.81 | HAL ahead |
| 2025-12-08 | 99.12 | 91.22 | +1.60 | HAL ahead |
| 2025-12-05 | 100.42 | 91.75 | +1.70 | HAL ahead |
| 2025-12-04 | 98.24 | 90.94 | +1.53 | HAL ahead |
| 2025-12-03 | 96.72 | 89.58 | +1.52 | HAL ahead |
| 2025-12-02 | 94.99 | 86.74 | +1.71 | HAL ahead |
| 2025-12-01 | 94.00 | 87.31 | +1.49 | HAL ahead |
| 2025-11-28 | 92.55 | 86.45 | +1.41 | HAL ahead |
| 2025-11-26 | 91.03 | 85.07 | +1.41 | HAL ahead |
| 2025-11-25 | 90.68 | 85.64 | +1.26 | HAL ahead |
| 2025-11-24 | 90.61 | 85.19 | +1.32 | HAL ahead |
| 2025-11-21 | 91.14 | 86.33 | +1.23 | HAL ahead |
| 2025-11-20 | 90.43 | 83.95 | +1.50 | HAL ahead |
| 2025-11-19 | 93.40 | 85.54 | +1.69 | HAL ahead |
| 2025-11-18 | 94.56 | 85.97 | +1.80 | HAL ahead |
| 2025-11-17 | 93.96 | 85.40 | +1.81 | HAL ahead |
| 2025-11-14 | 96.36 | 88.12 | +1.75 | HAL ahead |
| 2025-11-13 | 95.38 | 86.62 | +1.85 | HAL ahead |
| 2025-11-12 | 95.06 | 86.04 | +1.92 | HAL ahead |
| 2025-11-11 | 99.05 | 89.72 | +1.92 | HAL ahead |
| 2025-11-10 | 97.81 | 88.05 | +2.02 | HAL ahead |
| 2025-11-07 | 97.32 | 87.45 | +2.06 | HAL ahead |
| 2025-11-06 | 96.47 | 86.74 | +2.07 | HAL ahead |
| 2025-11-05 | 95.66 | 87.19 | +1.90 | HAL ahead |
| 2025-11-04 | 94.63 | 86.16 | +1.93 | HAL ahead |
| 2025-11-03 | 95.94 | 88.31 | +1.78 | HAL ahead |
| 2025-10-31 | 94.74 | 86.02 | +2.00 | HAL ahead |
| 2025-10-30 | 95.16 | 86.64 | +1.98 | HAL ahead |
| 2025-10-29 | 97.00 | 87.86 | +2.07 | HAL ahead |
| 2025-10-28 | 93.96 | 85.54 | +2.02 | HAL ahead |
| 2025-10-27 | 94.60 | 86.26 | +2.02 | HAL ahead |
| 2025-10-24 | 93.72 | 85.47 | +2.04 | HAL ahead |
| 2025-10-23 | 96.08 | 85.90 | +2.36 | HAL ahead |
| 2025-10-22 | 92.87 | 83.25 | +2.35 | HAL ahead |
| 2025-10-21 | 89.09 | 79.96 | +2.37 | HAL ahead |
| 2025-10-20 | 79.84 | 79.75 | +0.74 | HAL ahead |
| 2025-10-17 | 78.61 | 77.84 | +0.87 | HAL ahead |
| 2025-10-16 | 77.02 | 78.53 | +0.42 | near the usual relationship |
| 2025-10-15 | 79.03 | 77.70 | +0.98 | HAL ahead |
| 2025-10-14 | 79.21 | 77.70 | +1.01 | HAL ahead |
| 2025-10-13 | 79.42 | 76.98 | +1.19 | HAL ahead |
| 2025-10-10 | 77.55 | 75.67 | +1.09 | HAL ahead |
| 2025-10-09 | 82.60 | 79.03 | +1.40 | HAL ahead |
| 2025-10-08 | 84.43 | 81.04 | +1.36 | HAL ahead |
| 2025-10-07 | 85.70 | 82.08 | +1.39 | HAL ahead |
| 2025-10-06 | 85.99 | 82.51 | +1.37 | HAL ahead |
| 2025-10-03 | 85.81 | 81.73 | +1.49 | HAL ahead |
| 2025-10-02 | 86.06 | 81.37 | +1.61 | HAL ahead |
| 2025-10-01 | 87.89 | 83.71 | +1.50 | HAL ahead |
| 2025-09-30 | 86.83 | 81.99 | +1.65 | HAL ahead |
| 2025-09-29 | 88.25 | 83.75 | +1.57 | HAL ahead |
| 2025-09-26 | 88.63 | 84.73 | +1.46 | HAL ahead |
| 2025-09-25 | 87.05 | 82.51 | +1.60 | HAL ahead |
| 2025-09-24 | 86.27 | 82.56 | +1.45 | HAL ahead |
| 2025-09-23 | 85.67 | 82.28 | +1.40 | HAL ahead |
| 2025-09-22 | 79.81 | 80.92 | +0.54 | HAL ahead |
| 2025-09-19 | 79.46 | 82.13 | +0.23 | near the usual relationship |
| 2025-09-18 | 78.93 | 82.87 | -0.02 | near the usual relationship |
| 2025-09-17 | 78.54 | 82.99 | -0.12 | near the usual relationship |
| 2025-09-16 | 79.14 | 84.06 | -0.21 | near the usual relationship |
| 2025-09-15 | 76.91 | 82.94 | -0.45 | near the usual relationship |
| 2025-09-12 | 78.47 | 84.85 | -0.50 | SLB ahead |
| 2025-09-11 | 78.75 | 85.95 | -0.64 | SLB ahead |
| 2025-09-10 | 79.77 | 86.26 | -0.51 | SLB ahead |
| 2025-09-09 | 76.77 | 85.35 | -0.94 | SLB ahead |
| 2025-09-08 | 76.84 | 85.35 | -0.93 | SLB ahead |
| 2025-09-05 | 78.01 | 85.45 | -0.73 | SLB ahead |
| 2025-09-04 | 79.32 | 85.90 | -0.56 | SLB ahead |
| 2025-09-03 | 76.21 | 83.49 | -0.74 | SLB ahead |
| 2025-09-02 | 80.09 | 85.64 | -0.38 | near the usual relationship |
| 2025-08-29 | 80.23 | 87.88 | -0.75 | SLB ahead |
| 2025-08-28 | 79.88 | 87.02 | -0.67 | SLB ahead |
| 2025-08-27 | 78.72 | 85.83 | -0.69 | SLB ahead |
| 2025-08-26 | 77.23 | 84.26 | -0.71 | SLB ahead |
| 2025-08-25 | 78.86 | 85.04 | -0.54 | SLB ahead |
| 2025-08-22 | 78.61 | 84.95 | -0.58 | SLB ahead |
| 2025-08-21 | 75.11 | 80.65 | -0.49 | near the usual relationship |
| 2025-08-20 | 74.48 | 79.58 | -0.42 | near the usual relationship |
| 2025-08-19 | 74.51 | 79.53 | -0.41 | near the usual relationship |
| 2025-08-18 | 75.29 | 79.44 | -0.24 | near the usual relationship |
| 2025-08-15 | 74.55 | 78.70 | -0.26 | near the usual relationship |
| 2025-08-14 | 75.36 | 79.25 | -0.20 | near the usual relationship |
| 2025-08-13 | 74.83 | 80.03 | -0.46 | near the usual relationship |
| 2025-08-12 | 74.02 | 78.58 | -0.35 | near the usual relationship |
| 2025-08-11 | 72.36 | 77.22 | -0.44 | near the usual relationship |
| 2025-08-08 | 73.77 | 78.41 | -0.38 | near the usual relationship |
| 2025-08-07 | 73.70 | 78.22 | -0.37 | near the usual relationship |
| 2025-08-06 | 74.90 | 78.39 | -0.17 | near the usual relationship |
| 2025-08-05 | 76.53 | 79.91 | -0.14 | near the usual relationship |
| 2025-08-04 | 76.49 | 78.44 | +0.11 | near the usual relationship |
| 2025-08-01 | 76.24 | 78.84 | -0.01 | near the usual relationship |
| 2025-07-31 | 79.07 | 80.63 | +0.18 | near the usual relationship |
| 2025-07-30 | 79.07 | 81.51 | +0.02 | near the usual relationship |
| 2025-07-29 | 81.47 | 85.00 | -0.15 | near the usual relationship |
| 2025-07-28 | 80.62 | 85.88 | -0.45 | near the usual relationship |
| 2025-07-25 | 79.24 | 84.61 | -0.49 | near the usual relationship |
| 2025-07-24 | 79.14 | 84.06 | -0.42 | near the usual relationship |
| 2025-07-23 | 77.55 | 83.83 | -0.67 | SLB ahead |
| 2025-07-22 | 75.50 | 81.94 | -0.73 | SLB ahead |
| 2025-07-21 | 74.76 | 80.01 | -0.54 | SLB ahead |
| 2025-07-18 | 74.90 | 79.48 | -0.43 | near the usual relationship |
| 2025-07-17 | 76.03 | 82.71 | -0.78 | SLB ahead |
| 2025-07-16 | 74.97 | 82.51 | -0.95 | SLB ahead |
| 2025-07-15 | 75.50 | 83.66 | -1.05 | SLB ahead |
| 2025-07-14 | 77.73 | 86.40 | -1.10 | SLB ahead |
| 2025-07-11 | 81.47 | 89.00 | -0.87 | SLB ahead |
| 2025-07-10 | 78.22 | 87.43 | -1.19 | SLB ahead |
| 2025-07-09 | 77.80 | 86.47 | -1.13 | SLB ahead |
| 2025-07-08 | 78.22 | 87.17 | -1.17 | SLB ahead |
| 2025-07-07 | 73.74 | 83.37 | -1.38 | SLB ahead |
| 2025-07-03 | 75.96 | 85.04 | -1.25 | SLB ahead |
| 2025-07-02 | 76.63 | 85.66 | -1.24 | SLB ahead |
| 2025-07-01 | 74.87 | 83.97 | -1.30 | SLB ahead |
| 2025-06-30 | 71.94 | 80.63 | -1.30 | SLB ahead |
| 2025-06-27 | 72.61 | 81.13 | -1.27 | SLB ahead |
| 2025-06-26 | 72.86 | 80.70 | -1.16 | SLB ahead |
| 2025-06-25 | 71.51 | 79.15 | -1.16 | SLB ahead |
| 2025-06-24 | 73.35 | 79.91 | -0.95 | SLB ahead |
| 2025-06-23 | 73.31 | 80.46 | -1.05 | SLB ahead |
| 2025-06-20 | 78.64 | 85.50 | -0.93 | SLB ahead |
| 2025-06-18 | 78.64 | 85.52 | -0.94 | SLB ahead |
| 2025-06-17 | 81.22 | 86.07 | -0.60 | SLB ahead |
| 2025-06-16 | 80.87 | 85.66 | -0.60 | SLB ahead |
| 2025-06-13 | 81.86 | 86.59 | -0.59 | SLB ahead |
| 2025-06-12 | 77.59 | 85.00 | -1.06 | SLB ahead |
| 2025-06-11 | 78.33 | 85.14 | -0.96 | SLB ahead |
| 2025-06-10 | 76.77 | 84.73 | -1.17 | SLB ahead |
| 2025-06-09 | 74.13 | 81.39 | -1.11 | SLB ahead |
| 2025-06-06 | 72.43 | 80.80 | -1.32 | SLB ahead |
| 2025-06-05 | 70.42 | 78.91 | -1.39 | SLB ahead |
| 2025-06-04 | 70.63 | 79.29 | -1.42 | SLB ahead |
| 2025-06-03 | 72.11 | 81.37 | -1.49 | SLB ahead |
| 2025-06-02 | 70.63 | 79.53 | -1.47 | SLB ahead |
| 2025-05-30 | 69.15 | 78.84 | -1.64 | SLB ahead |
| 2025-05-29 | 70.88 | 80.34 | -1.58 | SLB ahead |
| 2025-05-28 | 70.10 | 80.10 | -1.69 | SLB ahead |
| 2025-05-27 | 70.49 | 80.94 | -1.77 | SLB ahead |
| 2025-05-23 | 70.28 | 80.30 | -1.72 | SLB ahead |
| 2025-05-22 | 70.46 | 80.51 | -1.73 | SLB ahead |
| 2025-05-21 | 70.24 | 80.80 | -1.83 | SLB ahead |
| 2025-05-20 | 72.29 | 82.47 | -1.74 | SLB ahead |
| 2025-05-19 | 73.67 | 83.75 | -1.71 | SLB ahead |
| 2025-05-16 | 75.01 | 85.33 | -1.73 | SLB ahead |
| 2025-05-15 | 74.27 | 85.21 | -1.86 | SLB ahead |
| 2025-05-14 | 74.94 | 85.90 | -1.86 | SLB ahead |
| 2025-05-13 | 75.22 | 86.14 | -1.87 | SLB ahead |
| 2025-05-12 | 75.01 | 85.52 | -1.83 | SLB ahead |
| 2025-05-09 | 71.87 | 82.42 | -1.92 | SLB ahead |
| 2025-05-08 | 71.44 | 81.87 | -1.93 | SLB ahead |
| 2025-05-07 | 68.34 | 79.91 | -2.22 | SLB ahead |
| 2025-05-06 | 68.62 | 80.10 | -2.22 | SLB ahead |
| 2025-05-05 | 70.10 | 80.53 | -2.04 | SLB ahead |
| 2025-05-02 | 72.71 | 82.85 | -1.94 | SLB ahead |
| 2025-05-01 | 70.35 | 80.49 | -2.02 | SLB ahead |
| 2025-04-30 | 69.96 | 79.32 | -1.92 | SLB ahead |
| 2025-04-29 | 72.40 | 81.37 | -1.82 | SLB ahead |
| 2025-04-28 | 72.89 | 81.35 | -1.74 | SLB ahead |
| 2025-04-25 | 73.60 | 82.35 | -1.79 | SLB ahead |
| 2025-04-24 | 74.87 | 83.33 | -1.73 | SLB ahead |
| 2025-04-23 | 72.75 | 81.18 | -1.78 | SLB ahead |
| 2025-04-22 | 73.07 | 82.56 | -1.97 | SLB ahead |
| 2025-04-21 | 77.37 | 82.59 | -1.23 | SLB ahead |
| 2025-04-17 | 79.53 | 83.75 | -1.06 | SLB ahead |
| 2025-04-16 | 75.64 | 81.46 | -1.37 | SLB ahead |
| 2025-04-15 | 75.01 | 80.53 | -1.34 | SLB ahead |
| 2025-04-14 | 75.01 | 80.92 | -1.41 | SLB ahead |
| 2025-04-11 | 74.37 | 81.01 | -1.55 | SLB ahead |
| 2025-04-10 | 71.55 | 77.62 | -1.51 | SLB ahead |
| 2025-04-09 | 77.90 | 85.83 | -1.74 | SLB ahead |
| 2025-04-08 | 67.98 | 76.22 | -1.99 | SLB ahead |
| 2025-04-07 | 70.56 | 79.06 | -2.01 | SLB ahead |
| 2025-04-04 | 70.53 | 82.97 | -2.72 | SLB ahead |
| 2025-04-03 | 79.03 | 93.54 | -2.86 | SLB ahead |
| 2025-04-02 | 90.72 | 100.64 | -1.98 | SLB ahead |
| 2025-04-01 | 90.19 | 100.67 | -2.09 | SLB ahead |
| 2025-03-31 | 89.55 | 99.71 | -2.09 | SLB ahead |
| 2025-03-28 | 88.49 | 99.90 | -2.32 | SLB ahead |
| 2025-03-27 | 89.45 | 100.43 | -2.27 | SLB ahead |
| 2025-03-26 | 90.72 | 101.19 | -2.20 | SLB ahead |
| 2025-03-25 | 90.68 | 100.86 | -2.19 | SLB ahead |
| 2025-03-24 | 90.36 | 99.48 | -2.06 | SLB ahead |
| 2025-03-21 | 87.33 | 97.78 | -2.35 | SLB ahead |
| 2025-03-20 | 88.21 | 98.47 | -2.34 | SLB ahead |
| 2025-03-19 | 88.53 | 98.00 | -2.24 | SLB ahead |
| 2025-03-18 | 88.25 | 98.12 | -2.35 | SLB ahead |
| 2025-03-17 | 89.02 | 98.83 | -2.36 | SLB ahead |
| 2025-03-14 | 88.49 | 98.04 | -2.36 | SLB ahead |
| 2025-03-13 | 85.92 | 95.25 | -2.41 | SLB ahead |
| 2025-03-12 | 87.22 | 95.54 | -2.24 | SLB ahead |
| 2025-03-11 | 87.05 | 95.61 | -2.32 | SLB ahead |
| 2025-03-10 | 87.86 | 98.14 | -2.65 | SLB ahead |
| 2025-03-07 | 88.25 | 98.69 | -2.71 | SLB ahead |
| 2025-03-06 | 86.30 | 94.85 | -2.46 | SLB ahead |
| 2025-03-05 | 85.39 | 94.06 | -2.54 | SLB ahead |
| 2025-03-04 | 85.25 | 93.23 | -2.45 | SLB ahead |
| 2025-03-03 | 88.28 | 94.99 | -2.20 | SLB ahead |
| 2025-02-28 | 93.08 | 99.38 | -2.09 | SLB ahead |
| 2025-02-27 | 92.13 | 97.59 | -1.97 | SLB ahead |
| 2025-02-26 | 91.49 | 96.85 | -1.98 | SLB ahead |
| 2025-02-25 | 92.59 | 97.83 | -1.97 | SLB ahead |
| 2025-02-24 | 94.39 | 99.07 | -1.87 | SLB ahead |
| 2025-02-21 | 92.69 | 99.57 | -2.33 | SLB ahead |
| 2025-02-20 | 95.27 | 101.62 | -2.23 | SLB ahead |
| 2025-02-19 | 94.39 | 100.62 | -2.25 | SLB ahead |
| 2025-02-18 | 94.35 | 101.74 | -2.51 | SLB ahead |
| 2025-02-14 | 92.34 | 99.59 | -2.56 | SLB ahead |
| 2025-02-13 | 92.76 | 100.38 | -2.67 | SLB ahead |
| 2025-02-12 | 91.67 | 98.88 | -2.65 | SLB ahead |
| 2025-02-11 | 93.51 | 99.67 | -2.45 | SLB ahead |
| 2025-02-10 | 91.70 | 98.31 | -2.62 | SLB ahead |
| 2025-02-07 | 88.92 | 95.80 | -2.77 | SLB ahead |
| 2025-02-06 | 89.94 | 95.54 | -2.52 | SLB ahead |
| 2025-02-05 | 92.80 | 97.35 | -2.29 | SLB ahead |
| 2025-02-04 | 92.98 | 98.33 | -2.50 | SLB ahead |
| 2025-02-03 | 90.05 | 95.80 | -2.68 | SLB ahead |
| 2025-01-31 | 91.85 | 96.09 | -2.34 | SLB ahead |
| 2025-01-30 | 93.68 | 97.85 | -2.34 | SLB ahead |
| 2025-01-29 | 93.08 | 97.66 | -2.47 | SLB ahead |
| 2025-01-28 | 94.07 | 98.57 | -2.48 | SLB ahead |
| 2025-01-27 | 96.19 | 101.48 | -2.68 | SLB ahead |
| 2025-01-24 | 98.13 | 100.79 | -2.09 | SLB ahead |
| 2025-01-23 | 98.73 | 100.26 | -1.83 | SLB ahead |
| 2025-01-22 | 100.53 | 99.31 | -1.19 | SLB ahead |
| 2025-01-21 | 104.24 | 104.34 | -1.50 | SLB ahead |
| 2025-01-17 | 105.54 | 103.96 | -1.12 | SLB ahead |
| 2025-01-16 | 103.32 | 98.02 | -0.24 | near the usual relationship |
| 2025-01-15 | 102.05 | 96.95 | -0.27 | near the usual relationship |
| 2025-01-14 | 99.54 | 95.11 | -0.40 | near the usual relationship |
| 2025-01-13 | 98.13 | 95.06 | -0.73 | SLB ahead |
| 2025-01-10 | 95.20 | 92.13 | -0.70 | SLB ahead |
| 2025-01-08 | 95.41 | 92.58 | -0.77 | SLB ahead |
| 2025-01-07 | 97.95 | 93.92 | -0.49 | near the usual relationship |
| 2025-01-06 | 97.64 | 92.46 | -0.19 | near the usual relationship |
| 2025-01-03 | 97.71 | 92.06 | -0.07 | near the usual relationship |
| 2025-01-02 | 97.88 | 91.60 | +0.09 | near the usual relationship |
| 2024-12-31 | 95.98 | 91.46 | -0.33 | near the usual relationship |
| 2024-12-30 | 95.16 | 90.20 | -0.20 | near the usual relationship |
| 2024-12-27 | 94.56 | 90.17 | -0.34 | near the usual relationship |
| 2024-12-26 | 94.60 | 90.00 | -0.28 | near the usual relationship |
| 2024-12-24 | 94.74 | 90.00 | -0.25 | near the usual relationship |
| 2024-12-23 | 92.69 | 88.88 | -0.46 | near the usual relationship |
| 2024-12-20 | 91.67 | 87.86 | -0.45 | near the usual relationship |
| 2024-12-19 | 90.96 | 88.05 | -0.67 | SLB ahead |
| 2024-12-18 | 92.30 | 89.05 | -0.60 | SLB ahead |
| 2024-12-17 | 95.98 | 92.87 | -0.66 | SLB ahead |
| 2024-12-16 | 98.38 | 95.13 | -0.65 | SLB ahead |
| 2024-12-13 | 101.24 | 95.94 | -0.18 | near the usual relationship |
| 2024-12-12 | 101.98 | 98.04 | -0.51 | SLB ahead |
| 2024-12-11 | 103.07 | 99.14 | -0.52 | SLB ahead |
| 2024-12-10 | 102.61 | 97.50 | -0.24 | near the usual relationship |
| 2024-12-09 | 102.65 | 98.21 | -0.40 | near the usual relationship |
| 2024-12-06 | 101.59 | 97.71 | -0.52 | SLB ahead |
| 2024-12-05 | 105.97 | 100.24 | -0.14 | near the usual relationship |
| 2024-12-04 | 108.01 | 101.96 | -0.09 | near the usual relationship |
| 2024-12-03 | 111.97 | 104.13 | +0.25 | near the usual relationship |
| 2024-12-02 | 111.40 | 104.08 | +0.15 | near the usual relationship |
| 2024-11-29 | 112.46 | 104.82 | +0.20 | near the usual relationship |
| 2024-11-27 | 112.53 | 104.15 | +0.37 | near the usual relationship |
| 2024-11-26 | 112.28 | 103.72 | +0.41 | near the usual relationship |
| 2024-11-25 | 112.92 | 104.37 | +0.40 | near the usual relationship |
| 2024-11-22 | 112.74 | 105.51 | +0.11 | near the usual relationship |
| 2024-11-21 | 112.50 | 105.10 | +0.15 | near the usual relationship |
| 2024-11-20 | 110.06 | 103.84 | -0.08 | near the usual relationship |
| 2024-11-19 | 107.55 | 102.81 | -0.38 | near the usual relationship |
| 2024-11-18 | 107.48 | 103.75 | -0.60 | SLB ahead |
| 2024-11-15 | 104.80 | 103.01 | -1.03 | SLB ahead |
| 2024-11-14 | 106.28 | 103.65 | -0.85 | SLB ahead |
| 2024-11-13 | 106.57 | 103.98 | -0.87 | SLB ahead |
| 2024-11-12 | 106.57 | 105.75 | -1.27 | SLB ahead |
| 2024-11-11 | 106.35 | 105.65 | -1.30 | SLB ahead |
| 2024-11-08 | 103.18 | 103.01 | -1.43 | SLB ahead |
| 2024-11-07 | 104.31 | 103.15 | -1.21 | SLB ahead |
| 2024-11-06 | 107.66 | 104.41 | -0.76 | SLB ahead |
| 2024-11-05 | 100.71 | 96.73 | -0.53 | SLB ahead |
| 2024-11-04 | 99.29 | 96.18 | -0.73 | SLB ahead |
| 2024-11-01 | 97.71 | 94.85 | -0.78 | SLB ahead |
| 2024-10-31 | 97.92 | 95.59 | -0.92 | SLB ahead |
| 2024-10-30 | 97.74 | 95.78 | -1.01 | SLB ahead |
| 2024-10-29 | 97.14 | 96.45 | -1.32 | SLB ahead |
| 2024-10-28 | 98.45 | 98.74 | -1.58 | SLB ahead |
| 2024-10-25 | 99.72 | 99.57 | -1.48 | SLB ahead |
| 2024-10-24 | 98.31 | 98.40 | -1.55 | SLB ahead |
| 2024-10-23 | 98.16 | 100.50 | -2.11 | SLB ahead |
| 2024-10-22 | 99.68 | 100.02 | -1.65 | SLB ahead |
| 2024-10-21 | 99.75 | 101.22 | -1.94 | SLB ahead |
| 2024-10-18 | 100.00 | 100.00 | -1.59 | SLB ahead |
One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Apr 3, 2025 (HAL -12.9%, SLB -7.1%); Apr 7, 2025 (HAL +0.1%, SLB -4.7%); Apr 22, 2025 (HAL -5.6%, SLB -0.0%); Sep 23, 2025 (HAL +7.3%, SLB +1.7%); Oct 21, 2025 (HAL +11.6%, SLB +0.3%); Jul 24, 2026 (HAL +2.0%, SLB +11.0%). Upcoming earnings: SLB Oct 23, 2026 (pre-market).
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
HAL and SLB at a glance
HAL Halliburton Company
- Listing
- NYSE · SEC CIK 45012
- Industry
- Oilfield Services/Equipment · SIC 1389 Oil & Gas Field Services, NEC
- Market value
- $27.5B
- Price history
- 2,520 daily closes, Oct 12, 2016 to Oct 22, 2026
SLB SLB Limited
- Listing
- NYSE · SEC CIK 87347
- Industry
- Oilfield Services/Equipment · SIC 1389 Oil & Gas Field Services, NEC
- Market value
- $72.9B
- 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.
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.
