Rockwell Automation Inc. vs Thermo Fisher Scientific Inc
WatchlistROK / TMOPrices through Oct 22, 2026
Why these are rivals: #1 and #2 by market value ($251B vs $47B) with SEC SIC 3829 (Measuring & Controlling Devices, 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.
- Co-movement: daily return correlation, 252 sessions: 0.26 (needs >= 0.60)
- Mean reversion: ADF t-statistic of the spread: -1.41 (needs <= -2.873 (5% critical value))
Business leadership
TMO is the larger business
Annual revenue reported to the SEC. Scale, not market share.
| Year | ROK | TMO | Larger |
|---|---|---|---|
| 2025 | $8.3B | $44.6B | TMO |
| 2024 | $8.3B | $42.9B | TMO |
| 2023 | $9.1B | $42.9B | TMO |
| 2022 | $7.8B | $44.9B | TMO |
| 2021 | $7.0B | $39.2B | TMO |
| 2020 | $6.3B | $32.2B | TMO |
TMO led in every year with figures for both. Market value: ROK $47.2B, TMO $251.2B.
Stock leadership
TMO is ahead now
Measured against the pair's own last 252 trading days.
TMO leads ROK by 1.32 standard deviations: +20.7% over its usual price ratio. 1 lead switch in the last year.
| Price change | 3 mo | 6 mo | 12 mo |
|---|---|---|---|
| ROK | -8.3% | +3.7% | +19.7% |
| TMO | +19.1% | +45.0% | +21.2% |
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: 0.26 (needs >= 0.60)
- Fail
- Mean reversion: ADF t-statistic of the spread: -1.42 (needs <= -2.873 (5% critical value))
- Pass
- Speed: half-life of the spread, sessions: 53.20 (needs <= 63)
- Data
- Both stocks current
The twins over two years
Prices side by side, and the gap between them
ROK Rockwell Automation Inc. TMO Thermo Fisher Scientific IncPrice 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: ROK relative to TMO, against the 252 sessions before each day. Above 0: ROK ahead; below 0: TMO ahead. Lines at +/-2 (idea) and +/-4 (stop).
Data table (504 sessions)
| Date | ROK index | TMO index | z | Ahead |
|---|---|---|---|---|
| 2026-10-22 | 155.37 | 112.44 | -1.32 | TMO ahead |
| 2026-10-21 | 160.73 | 115.34 | -1.27 | TMO ahead |
| 2026-10-20 | 156.80 | 114.24 | -1.37 | TMO ahead |
| 2026-10-19 | 155.59 | 112.91 | -1.35 | TMO ahead |
| 2026-10-16 | 156.23 | 114.67 | -1.44 | TMO ahead |
| 2026-10-15 | 154.69 | 115.75 | -1.58 | TMO ahead |
| 2026-10-14 | 155.20 | 111.88 | -1.32 | TMO ahead |
| 2026-10-13 | 158.45 | 110.19 | -1.06 | TMO ahead |
| 2026-10-12 | 159.07 | 110.06 | -1.02 | TMO ahead |
| 2026-10-09 | 158.56 | 109.36 | -1.00 | TMO ahead |
| 2026-10-08 | 159.13 | 108.35 | -0.91 | TMO ahead |
| 2026-10-07 | 161.97 | 110.03 | -0.89 | TMO ahead |
| 2026-10-06 | 165.22 | 109.12 | -0.68 | TMO ahead |
| 2026-10-05 | 166.84 | 112.47 | -0.83 | TMO ahead |
| 2026-10-02 | 166.54 | 108.82 | -0.61 | TMO ahead |
| 2026-10-01 | 162.18 | 108.44 | -0.77 | TMO ahead |
| 2026-09-30 | 159.57 | 112.19 | -1.13 | TMO ahead |
| 2026-09-29 | 158.17 | 112.95 | -1.25 | TMO ahead |
| 2026-09-28 | 158.06 | 112.78 | -1.25 | TMO ahead |
| 2026-09-25 | 159.13 | 112.18 | -1.17 | TMO ahead |
| 2026-09-24 | 158.69 | 112.74 | -1.24 | TMO ahead |
| 2026-09-23 | 158.67 | 110.57 | -1.10 | TMO ahead |
| 2026-09-22 | 156.58 | 109.44 | -1.13 | TMO ahead |
| 2026-09-21 | 155.74 | 109.48 | -1.18 | TMO ahead |
| 2026-09-18 | 152.34 | 108.27 | -1.26 | TMO ahead |
| 2026-09-17 | 150.30 | 109.41 | -1.45 | TMO ahead |
| 2026-09-16 | 152.09 | 107.76 | -1.26 | TMO ahead |
| 2026-09-15 | 152.85 | 106.59 | -1.15 | TMO ahead |
| 2026-09-14 | 153.53 | 101.98 | -0.80 | TMO ahead |
| 2026-09-11 | 157.02 | 101.35 | -0.59 | TMO ahead |
| 2026-09-10 | 154.45 | 100.24 | -0.63 | TMO ahead |
| 2026-09-09 | 156.18 | 100.66 | -0.58 | TMO ahead |
| 2026-09-08 | 157.29 | 100.22 | -0.49 | near the usual relationship |
| 2026-09-04 | 159.01 | 102.01 | -0.54 | TMO ahead |
| 2026-09-03 | 156.98 | 102.78 | -0.69 | TMO ahead |
| 2026-09-02 | 155.91 | 101.14 | -0.62 | TMO ahead |
| 2026-09-01 | 153.04 | 99.80 | -0.66 | TMO ahead |
| 2026-08-31 | 155.57 | 102.56 | -0.74 | TMO ahead |
| 2026-08-28 | 157.93 | 103.40 | -0.69 | TMO ahead |
| 2026-08-27 | 158.71 | 104.82 | -0.76 | TMO ahead |
| 2026-08-26 | 158.25 | 105.32 | -0.82 | TMO ahead |
| 2026-08-25 | 157.39 | 104.39 | -0.79 | TMO ahead |
| 2026-08-24 | 157.50 | 104.49 | -0.80 | TMO ahead |
| 2026-08-21 | 160.21 | 104.58 | -0.68 | TMO ahead |
| 2026-08-20 | 158.14 | 104.29 | -0.75 | TMO ahead |
| 2026-08-19 | 158.81 | 101.97 | -0.56 | TMO ahead |
| 2026-08-18 | 158.96 | 97.89 | -0.25 | near the usual relationship |
| 2026-08-17 | 162.96 | 97.31 | -0.02 | near the usual relationship |
| 2026-08-14 | 164.71 | 97.77 | +0.02 | near the usual relationship |
| 2026-08-13 | 163.30 | 99.03 | -0.13 | near the usual relationship |
| 2026-08-12 | 165.45 | 100.22 | -0.12 | near the usual relationship |
| 2026-08-11 | 163.84 | 100.55 | -0.22 | near the usual relationship |
| 2026-08-10 | 159.53 | 99.66 | -0.35 | near the usual relationship |
| 2026-08-07 | 161.66 | 98.72 | -0.18 | near the usual relationship |
| 2026-08-06 | 161.94 | 96.40 | +0.01 | near the usual relationship |
| 2026-08-05 | 164.96 | 96.03 | +0.17 | near the usual relationship |
| 2026-08-04 | 163.20 | 93.86 | +0.26 | near the usual relationship |
| 2026-08-03 | 176.30 | 95.40 | +0.71 | ROK ahead |
| 2026-07-31 | 175.97 | 95.44 | +0.70 | ROK ahead |
| 2026-07-30 | 172.64 | 95.86 | +0.53 | ROK ahead |
| 2026-07-29 | 168.39 | 95.80 | +0.35 | near the usual relationship |
| 2026-07-28 | 172.70 | 95.80 | +0.54 | ROK ahead |
| 2026-07-27 | 170.81 | 92.99 | +0.68 | ROK ahead |
| 2026-07-24 | 169.40 | 94.44 | +0.51 | ROK ahead |
| 2026-07-23 | 168.85 | 95.12 | +0.43 | near the usual relationship |
| 2026-07-22 | 167.95 | 87.49 | +1.01 | ROK ahead |
| 2026-07-21 | 170.38 | 87.00 | +1.16 | ROK ahead |
| 2026-07-20 | 168.14 | 87.46 | +1.02 | ROK ahead |
| 2026-07-17 | 169.29 | 88.49 | +0.99 | ROK ahead |
| 2026-07-16 | 171.79 | 90.27 | +0.95 | ROK ahead |
| 2026-07-15 | 169.31 | 88.96 | +0.96 | ROK ahead |
| 2026-07-14 | 172.19 | 88.76 | +1.10 | ROK ahead |
| 2026-07-13 | 168.77 | 87.83 | +1.04 | ROK ahead |
| 2026-07-10 | 173.05 | 87.59 | +1.25 | ROK ahead |
| 2026-07-09 | 171.35 | 87.20 | +1.21 | ROK ahead |
| 2026-07-08 | 169.93 | 84.78 | +1.37 | ROK ahead |
| 2026-07-07 | 171.87 | 85.86 | +1.37 | ROK ahead |
| 2026-07-06 | 176.99 | 86.02 | +1.59 | ROK ahead |
| 2026-07-02 | 172.90 | 86.99 | +1.33 | ROK ahead |
| 2026-07-01 | 176.97 | 85.31 | +1.67 | ROK ahead |
| 2026-06-30 | 181.47 | 83.32 | +2.06 | ROK ahead |
| 2026-06-29 | 176.79 | 84.16 | +1.80 | ROK ahead |
| 2026-06-26 | 174.77 | 85.26 | +1.62 | ROK ahead |
| 2026-06-25 | 175.72 | 84.05 | +1.79 | ROK ahead |
| 2026-06-24 | 168.74 | 81.80 | +1.70 | ROK ahead |
| 2026-06-23 | 167.28 | 78.00 | +2.02 | ROK ahead |
| 2026-06-22 | 175.24 | 77.12 | +2.52 | ROK ahead |
| 2026-06-18 | 173.66 | 77.21 | +2.47 | ROK ahead |
| 2026-06-17 | 168.13 | 76.73 | +2.29 | ROK ahead |
| 2026-06-16 | 170.92 | 78.55 | +2.26 | ROK ahead |
| 2026-06-15 | 169.92 | 78.73 | +2.22 | ROK ahead |
| 2026-06-12 | 168.37 | 78.00 | +2.25 | ROK ahead |
| 2026-06-11 | 167.73 | 79.05 | +2.13 | ROK ahead |
| 2026-06-10 | 161.30 | 80.11 | +1.70 | ROK ahead |
| 2026-06-09 | 168.78 | 82.11 | +1.90 | ROK ahead |
| 2026-06-08 | 165.55 | 78.05 | +2.19 | ROK ahead |
| 2026-06-05 | 163.74 | 78.58 | +2.06 | ROK ahead |
| 2026-06-04 | 169.43 | 80.11 | +2.21 | ROK ahead |
| 2026-06-03 | 169.24 | 78.77 | +2.38 | ROK ahead |
| 2026-06-02 | 169.86 | 80.12 | +2.29 | ROK ahead |
| 2026-06-01 | 167.40 | 82.11 | +1.97 | ROK ahead |
| 2026-05-29 | 165.33 | 81.85 | +1.90 | ROK ahead |
| 2026-05-28 | 166.70 | 80.97 | +2.10 | ROK ahead |
| 2026-05-27 | 167.17 | 75.82 | +2.77 | ROK ahead |
| 2026-05-26 | 167.25 | 74.48 | +3.01 | ROK ahead |
| 2026-05-22 | 165.78 | 74.50 | +2.98 | ROK ahead |
| 2026-05-21 | 161.37 | 74.68 | +2.75 | ROK ahead |
| 2026-05-20 | 159.90 | 75.08 | +2.65 | ROK ahead |
| 2026-05-19 | 154.79 | 74.42 | +2.46 | ROK ahead |
| 2026-05-18 | 159.94 | 73.46 | +2.98 | ROK ahead |
| 2026-05-15 | 164.48 | 72.85 | +3.44 | ROK ahead |
| 2026-05-14 | 167.34 | 74.49 | +3.48 | ROK ahead |
| 2026-05-13 | 166.77 | 74.13 | +3.60 | ROK ahead |
| 2026-05-12 | 166.81 | 76.33 | +3.37 | ROK ahead |
| 2026-05-11 | 167.39 | 75.22 | +3.68 | ROK ahead |
| 2026-05-08 | 166.37 | 77.28 | +3.39 | ROK ahead |
| 2026-05-07 | 164.41 | 78.85 | +3.07 | ROK ahead |
| 2026-05-06 | 168.37 | 78.60 | +3.45 | ROK ahead |
| 2026-05-05 | 159.79 | 77.57 | +3.03 | ROK ahead |
| 2026-05-04 | 146.73 | 76.88 | +2.12 | ROK ahead |
| 2026-05-01 | 149.34 | 77.98 | +2.17 | ROK ahead |
| 2026-04-30 | 149.88 | 79.60 | +1.97 | ROK ahead |
| 2026-04-29 | 146.69 | 77.49 | +2.04 | ROK ahead |
| 2026-04-28 | 147.09 | 78.15 | +1.98 | ROK ahead |
| 2026-04-27 | 149.15 | 77.78 | +2.21 | ROK ahead |
| 2026-04-24 | 147.05 | 78.06 | +2.01 | ROK ahead |
| 2026-04-23 | 149.88 | 77.56 | +2.30 | ROK ahead |
| 2026-04-22 | 149.19 | 85.42 | +1.13 | ROK ahead |
| 2026-04-21 | 150.30 | 87.18 | +0.98 | ROK ahead |
| 2026-04-20 | 151.64 | 87.42 | +1.05 | ROK ahead |
| 2026-04-17 | 152.38 | 87.52 | +1.09 | ROK ahead |
| 2026-04-16 | 147.65 | 85.76 | +0.96 | ROK ahead |
| 2026-04-15 | 145.66 | 88.36 | +0.51 | ROK ahead |
| 2026-04-14 | 148.55 | 87.62 | +0.80 | ROK ahead |
| 2026-04-13 | 149.47 | 85.46 | +1.12 | ROK ahead |
| 2026-04-10 | 145.15 | 82.45 | +1.18 | ROK ahead |
| 2026-04-09 | 144.75 | 83.17 | +1.07 | ROK ahead |
| 2026-04-08 | 142.94 | 83.67 | +0.89 | ROK ahead |
| 2026-04-07 | 135.39 | 81.35 | +0.65 | ROK ahead |
| 2026-04-06 | 134.59 | 81.13 | +0.62 | ROK ahead |
| 2026-04-02 | 133.80 | 81.68 | +0.51 | ROK ahead |
| 2026-04-01 | 135.22 | 82.19 | +0.55 | ROK ahead |
| 2026-03-31 | 131.54 | 81.69 | +0.37 | near the usual relationship |
| 2026-03-30 | 127.74 | 79.78 | +0.33 | near the usual relationship |
| 2026-03-27 | 128.84 | 78.67 | +0.53 | ROK ahead |
| 2026-03-26 | 130.06 | 81.24 | +0.34 | near the usual relationship |
| 2026-03-25 | 132.19 | 81.56 | +0.45 | near the usual relationship |
| 2026-03-24 | 132.40 | 81.48 | +0.48 | near the usual relationship |
| 2026-03-23 | 131.16 | 79.46 | +0.61 | ROK ahead |
| 2026-03-20 | 130.16 | 78.84 | +0.62 | ROK ahead |
| 2026-03-19 | 130.39 | 78.15 | +0.71 | ROK ahead |
| 2026-03-18 | 130.16 | 77.23 | +0.79 | ROK ahead |
| 2026-03-17 | 131.00 | 78.56 | +0.71 | ROK ahead |
| 2026-03-16 | 133.44 | 78.11 | +0.91 | ROK ahead |
| 2026-03-13 | 132.30 | 77.18 | +0.94 | ROK ahead |
| 2026-03-12 | 131.30 | 79.09 | +0.70 | ROK ahead |
| 2026-03-11 | 136.81 | 82.39 | +0.71 | ROK ahead |
| 2026-03-10 | 137.11 | 83.11 | +0.66 | ROK ahead |
| 2026-03-09 | 137.65 | 84.75 | +0.55 | ROK ahead |
| 2026-03-06 | 135.56 | 83.42 | +0.56 | ROK ahead |
| 2026-03-05 | 138.74 | 86.23 | +0.49 | near the usual relationship |
| 2026-03-04 | 140.51 | 85.21 | +0.68 | ROK ahead |
| 2026-03-03 | 146.07 | 84.44 | +1.03 | ROK ahead |
| 2026-03-02 | 151.07 | 84.52 | +1.28 | ROK ahead |
| 2026-02-27 | 149.35 | 86.60 | +1.03 | ROK ahead |
| 2026-02-26 | 150.76 | 86.44 | +1.12 | ROK ahead |
| 2026-02-25 | 147.49 | 85.37 | +1.06 | ROK ahead |
| 2026-02-24 | 148.56 | 85.69 | +1.09 | ROK ahead |
| 2026-02-23 | 142.08 | 85.83 | +0.77 | ROK ahead |
| 2026-02-20 | 146.17 | 84.91 | +1.05 | ROK ahead |
| 2026-02-19 | 144.92 | 85.61 | +0.94 | ROK ahead |
| 2026-02-18 | 145.32 | 85.35 | +0.99 | ROK ahead |
| 2026-02-17 | 142.39 | 83.36 | +1.02 | ROK ahead |
| 2026-02-13 | 144.55 | 83.90 | +1.09 | ROK ahead |
| 2026-02-12 | 140.02 | 84.73 | +0.80 | ROK ahead |
| 2026-02-11 | 149.10 | 87.61 | +1.02 | ROK ahead |
| 2026-02-10 | 151.24 | 89.71 | +0.95 | ROK ahead |
| 2026-02-09 | 150.52 | 90.87 | +0.84 | ROK ahead |
| 2026-02-06 | 152.12 | 90.21 | +0.96 | ROK ahead |
| 2026-02-05 | 149.07 | 90.14 | +0.83 | ROK ahead |
| 2026-02-04 | 157.55 | 93.94 | +0.93 | ROK ahead |
| 2026-02-03 | 157.73 | 94.74 | +0.89 | ROK ahead |
| 2026-02-02 | 157.30 | 96.69 | +0.74 | ROK ahead |
| 2026-01-30 | 154.55 | 96.16 | +0.67 | ROK ahead |
| 2026-01-29 | 156.41 | 98.41 | +0.60 | ROK ahead |
| 2026-01-28 | 152.08 | 101.05 | +0.25 | near the usual relationship |
| 2026-01-27 | 153.86 | 103.69 | +0.17 | near the usual relationship |
| 2026-01-26 | 154.09 | 104.14 | +0.16 | near the usual relationship |
| 2026-01-23 | 153.16 | 104.03 | +0.13 | near the usual relationship |
| 2026-01-22 | 155.90 | 106.27 | +0.11 | near the usual relationship |
| 2026-01-21 | 154.06 | 105.75 | +0.08 | near the usual relationship |
| 2026-01-20 | 148.08 | 102.88 | +0.01 | near the usual relationship |
| 2026-01-16 | 152.31 | 102.83 | +0.19 | near the usual relationship |
| 2026-01-15 | 154.36 | 103.81 | +0.22 | near the usual relationship |
| 2026-01-14 | 152.93 | 103.34 | +0.20 | near the usual relationship |
| 2026-01-13 | 152.80 | 100.89 | +0.35 | near the usual relationship |
| 2026-01-12 | 151.80 | 102.28 | +0.23 | near the usual relationship |
| 2026-01-09 | 150.48 | 102.85 | +0.15 | near the usual relationship |
| 2026-01-08 | 147.96 | 100.80 | +0.17 | near the usual relationship |
| 2026-01-07 | 150.04 | 102.57 | +0.16 | near the usual relationship |
| 2026-01-06 | 151.51 | 103.16 | +0.19 | near the usual relationship |
| 2026-01-05 | 148.35 | 101.58 | +0.16 | near the usual relationship |
| 2026-01-02 | 146.09 | 98.47 | +0.25 | near the usual relationship |
| 2025-12-31 | 142.61 | 96.30 | +0.25 | near the usual relationship |
| 2025-12-30 | 144.30 | 96.97 | +0.28 | near the usual relationship |
| 2025-12-29 | 145.33 | 97.23 | +0.31 | near the usual relationship |
| 2025-12-26 | 146.54 | 96.51 | +0.41 | near the usual relationship |
| 2025-12-24 | 145.96 | 96.25 | +0.41 | near the usual relationship |
| 2025-12-23 | 146.19 | 96.38 | +0.41 | near the usual relationship |
| 2025-12-22 | 146.10 | 95.68 | +0.46 | near the usual relationship |
| 2025-12-19 | 145.10 | 94.37 | +0.50 | ROK ahead |
| 2025-12-18 | 143.55 | 93.47 | +0.50 | ROK ahead |
| 2025-12-17 | 142.78 | 93.49 | +0.47 | near the usual relationship |
| 2025-12-16 | 147.01 | 94.76 | +0.57 | ROK ahead |
| 2025-12-15 | 147.22 | 95.71 | +0.53 | ROK ahead |
| 2025-12-12 | 148.52 | 95.11 | +0.62 | ROK ahead |
| 2025-12-11 | 151.40 | 96.21 | +0.67 | ROK ahead |
| 2025-12-10 | 150.37 | 95.36 | +0.69 | ROK ahead |
| 2025-12-09 | 146.84 | 93.58 | +0.67 | ROK ahead |
| 2025-12-08 | 147.43 | 94.43 | +0.64 | ROK ahead |
| 2025-12-05 | 148.19 | 95.19 | +0.63 | ROK ahead |
| 2025-12-04 | 148.04 | 95.60 | +0.60 | ROK ahead |
| 2025-12-03 | 146.75 | 96.47 | +0.50 | ROK ahead |
| 2025-12-02 | 143.39 | 96.45 | +0.37 | near the usual relationship |
| 2025-12-01 | 142.94 | 97.25 | +0.31 | near the usual relationship |
| 2025-11-28 | 145.10 | 98.19 | +0.34 | near the usual relationship |
| 2025-11-26 | 144.41 | 98.59 | +0.29 | near the usual relationship |
| 2025-11-25 | 143.43 | 99.35 | +0.21 | near the usual relationship |
| 2025-11-24 | 140.89 | 97.40 | +0.23 | near the usual relationship |
| 2025-11-21 | 138.82 | 97.64 | +0.13 | near the usual relationship |
| 2025-11-20 | 135.14 | 95.19 | +0.13 | near the usual relationship |
| 2025-11-19 | 136.53 | 95.36 | +0.18 | near the usual relationship |
| 2025-11-18 | 134.16 | 95.73 | +0.06 | near the usual relationship |
| 2025-11-17 | 135.66 | 94.26 | +0.22 | near the usual relationship |
| 2025-11-14 | 138.23 | 96.18 | +0.21 | near the usual relationship |
| 2025-11-13 | 139.17 | 96.41 | +0.24 | near the usual relationship |
| 2025-11-12 | 144.62 | 97.72 | +0.39 | near the usual relationship |
| 2025-11-11 | 143.71 | 97.47 | +0.38 | near the usual relationship |
| 2025-11-10 | 143.41 | 95.79 | +0.47 | near the usual relationship |
| 2025-11-07 | 136.90 | 95.13 | +0.25 | near the usual relationship |
| 2025-11-06 | 136.54 | 94.06 | +0.30 | near the usual relationship |
| 2025-11-05 | 132.91 | 94.34 | +0.14 | near the usual relationship |
| 2025-11-04 | 131.90 | 93.94 | +0.13 | near the usual relationship |
| 2025-11-03 | 133.62 | 93.88 | +0.21 | near the usual relationship |
| 2025-10-31 | 135.02 | 94.30 | +0.25 | near the usual relationship |
| 2025-10-30 | 134.03 | 92.44 | +0.32 | near the usual relationship |
| 2025-10-29 | 134.94 | 92.79 | +0.35 | near the usual relationship |
| 2025-10-28 | 132.68 | 92.67 | +0.26 | near the usual relationship |
| 2025-10-27 | 132.52 | 93.70 | +0.20 | near the usual relationship |
| 2025-10-24 | 130.66 | 95.15 | +0.05 | near the usual relationship |
| 2025-10-23 | 130.91 | 95.05 | +0.07 | near the usual relationship |
| 2025-10-22 | 128.40 | 94.26 | +0.02 | near the usual relationship |
| 2025-10-21 | 129.81 | 92.73 | +0.17 | near the usual relationship |
| 2025-10-20 | 129.31 | 90.38 | +0.29 | near the usual relationship |
| 2025-10-17 | 127.43 | 89.56 | +0.27 | near the usual relationship |
| 2025-10-16 | 127.56 | 89.21 | +0.30 | near the usual relationship |
| 2025-10-15 | 129.06 | 87.73 | +0.46 | near the usual relationship |
| 2025-10-14 | 126.09 | 87.39 | +0.36 | near the usual relationship |
| 2025-10-13 | 124.33 | 87.18 | +0.31 | near the usual relationship |
| 2025-10-10 | 122.33 | 87.22 | +0.23 | near the usual relationship |
| 2025-10-09 | 125.65 | 88.86 | +0.28 | near the usual relationship |
| 2025-10-08 | 127.60 | 89.11 | +0.35 | near the usual relationship |
| 2025-10-07 | 126.17 | 89.61 | +0.27 | near the usual relationship |
| 2025-10-06 | 127.77 | 90.40 | +0.29 | near the usual relationship |
| 2025-10-03 | 128.07 | 90.30 | +0.32 | near the usual relationship |
| 2025-10-02 | 127.81 | 87.24 | +0.49 | near the usual relationship |
| 2025-10-01 | 128.04 | 88.20 | +0.45 | near the usual relationship |
| 2025-09-30 | 128.12 | 80.61 | +0.91 | ROK ahead |
| 2025-09-29 | 126.28 | 76.79 | +1.09 | ROK ahead |
| 2025-09-26 | 125.94 | 77.15 | +1.06 | ROK ahead |
| 2025-09-25 | 124.64 | 76.32 | +1.07 | ROK ahead |
| 2025-09-24 | 125.53 | 77.78 | +1.02 | ROK ahead |
| 2025-09-23 | 125.62 | 78.07 | +1.01 | ROK ahead |
| 2025-09-22 | 126.59 | 78.94 | +1.00 | ROK ahead |
| 2025-09-19 | 127.49 | 79.70 | +0.99 | ROK ahead |
| 2025-09-18 | 127.76 | 79.96 | +1.00 | ROK ahead |
| 2025-09-17 | 126.33 | 78.55 | +1.04 | ROK ahead |
| 2025-09-16 | 125.45 | 79.90 | +0.93 | ROK ahead |
| 2025-09-15 | 126.98 | 78.85 | +1.06 | ROK ahead |
| 2025-09-12 | 126.43 | 79.68 | +0.99 | ROK ahead |
| 2025-09-11 | 128.49 | 81.67 | +0.96 | ROK ahead |
| 2025-09-10 | 124.40 | 79.20 | +0.96 | ROK ahead |
| 2025-09-09 | 125.71 | 80.17 | +0.95 | ROK ahead |
| 2025-09-08 | 126.34 | 81.04 | +0.93 | ROK ahead |
| 2025-09-05 | 124.54 | 81.87 | +0.82 | ROK ahead |
| 2025-09-04 | 125.31 | 81.35 | +0.89 | ROK ahead |
| 2025-09-03 | 124.13 | 80.53 | +0.90 | ROK ahead |
| 2025-09-02 | 123.83 | 81.02 | +0.87 | ROK ahead |
| 2025-08-29 | 125.88 | 81.89 | +0.90 | ROK ahead |
| 2025-08-28 | 127.97 | 81.39 | +1.02 | ROK ahead |
| 2025-08-27 | 128.00 | 81.12 | +1.04 | ROK ahead |
| 2025-08-26 | 130.37 | 81.18 | +1.13 | ROK ahead |
| 2025-08-25 | 128.28 | 81.56 | +1.04 | ROK ahead |
| 2025-08-22 | 128.73 | 83.09 | +0.98 | ROK ahead |
| 2025-08-21 | 124.45 | 80.40 | +0.98 | ROK ahead |
| 2025-08-20 | 124.49 | 82.23 | +0.89 | ROK ahead |
| 2025-08-19 | 125.91 | 82.81 | +0.91 | ROK ahead |
| 2025-08-18 | 125.66 | 81.03 | +1.01 | ROK ahead |
| 2025-08-15 | 125.46 | 81.27 | +1.00 | ROK ahead |
| 2025-08-14 | 127.38 | 80.61 | +1.12 | ROK ahead |
| 2025-08-13 | 127.93 | 80.57 | +1.15 | ROK ahead |
| 2025-08-12 | 124.53 | 79.34 | +1.10 | ROK ahead |
| 2025-08-11 | 120.87 | 76.85 | +1.12 | ROK ahead |
| 2025-08-08 | 122.14 | 76.57 | +1.20 | ROK ahead |
| 2025-08-07 | 121.91 | 75.57 | +1.26 | ROK ahead |
| 2025-08-06 | 120.47 | 74.61 | +1.27 | ROK ahead |
| 2025-08-05 | 126.82 | 77.52 | +1.34 | ROK ahead |
| 2025-08-04 | 128.35 | 77.54 | +1.41 | ROK ahead |
| 2025-08-01 | 126.27 | 76.95 | +1.38 | ROK ahead |
| 2025-07-31 | 128.92 | 77.73 | +1.44 | ROK ahead |
| 2025-07-30 | 128.73 | 79.32 | +1.35 | ROK ahead |
| 2025-07-29 | 129.72 | 80.13 | +1.35 | ROK ahead |
| 2025-07-28 | 130.50 | 80.60 | +1.37 | ROK ahead |
| 2025-07-25 | 131.41 | 79.49 | +1.48 | ROK ahead |
| 2025-07-24 | 130.86 | 78.95 | +1.50 | ROK ahead |
| 2025-07-23 | 131.22 | 77.56 | +1.62 | ROK ahead |
| 2025-07-22 | 129.62 | 71.07 | +2.00 | ROK ahead |
| 2025-07-21 | 128.55 | 67.30 | +2.25 | ROK ahead |
| 2025-07-18 | 130.49 | 68.93 | +2.24 | ROK ahead |
| 2025-07-17 | 130.67 | 70.63 | +2.16 | ROK ahead |
| 2025-07-16 | 128.90 | 69.19 | +2.22 | ROK ahead |
| 2025-07-15 | 127.04 | 69.47 | +2.16 | ROK ahead |
| 2025-07-14 | 125.79 | 70.69 | +2.05 | ROK ahead |
| 2025-07-11 | 125.75 | 72.27 | +1.96 | ROK ahead |
| 2025-07-10 | 126.44 | 71.58 | +2.06 | ROK ahead |
| 2025-07-09 | 124.72 | 69.78 | +2.15 | ROK ahead |
| 2025-07-08 | 123.95 | 70.83 | +2.07 | ROK ahead |
| 2025-07-07 | 124.23 | 69.59 | +2.20 | ROK ahead |
| 2025-07-03 | 127.22 | 71.35 | +2.22 | ROK ahead |
| 2025-07-02 | 125.63 | 71.09 | +2.21 | ROK ahead |
| 2025-07-01 | 124.11 | 70.05 | +2.25 | ROK ahead |
| 2025-06-30 | 121.75 | 67.38 | +2.40 | ROK ahead |
| 2025-06-27 | 120.94 | 67.85 | +2.36 | ROK ahead |
| 2025-06-26 | 119.57 | 68.49 | +2.28 | ROK ahead |
| 2025-06-25 | 118.20 | 68.25 | +2.26 | ROK ahead |
| 2025-06-24 | 119.47 | 67.20 | +2.45 | ROK ahead |
| 2025-06-23 | 118.69 | 66.51 | +2.51 | ROK ahead |
| 2025-06-20 | 117.80 | 66.12 | +2.54 | ROK ahead |
| 2025-06-18 | 117.95 | 65.24 | +2.68 | ROK ahead |
| 2025-06-17 | 117.44 | 64.86 | +2.74 | ROK ahead |
| 2025-06-16 | 118.87 | 67.32 | +2.63 | ROK ahead |
| 2025-06-13 | 116.51 | 66.94 | +2.59 | ROK ahead |
| 2025-06-12 | 119.18 | 69.02 | +2.58 | ROK ahead |
| 2025-06-11 | 119.14 | 69.00 | +2.62 | ROK ahead |
| 2025-06-10 | 119.21 | 68.89 | +2.68 | ROK ahead |
| 2025-06-09 | 118.89 | 67.89 | +2.81 | ROK ahead |
| 2025-06-06 | 118.88 | 66.79 | +2.98 | ROK ahead |
| 2025-06-05 | 117.48 | 66.20 | +3.02 | ROK ahead |
| 2025-06-04 | 116.89 | 67.09 | +2.96 | ROK ahead |
| 2025-06-03 | 116.05 | 66.47 | +3.05 | ROK ahead |
| 2025-06-02 | 116.30 | 65.89 | +3.19 | ROK ahead |
| 2025-05-30 | 115.66 | 66.95 | +3.11 | ROK ahead |
| 2025-05-29 | 115.44 | 67.10 | +3.15 | ROK ahead |
| 2025-05-28 | 114.50 | 66.83 | +3.20 | ROK ahead |
| 2025-05-27 | 114.76 | 67.07 | +3.27 | ROK ahead |
| 2025-05-23 | 111.99 | 65.42 | +3.36 | ROK ahead |
| 2025-05-22 | 112.27 | 66.56 | +3.33 | ROK ahead |
| 2025-05-21 | 110.61 | 66.19 | +3.34 | ROK ahead |
| 2025-05-20 | 112.93 | 68.76 | +3.28 | ROK ahead |
| 2025-05-19 | 112.97 | 68.79 | +3.36 | ROK ahead |
| 2025-05-16 | 113.28 | 68.48 | +3.52 | ROK ahead |
| 2025-05-15 | 112.84 | 67.30 | +3.75 | ROK ahead |
| 2025-05-14 | 112.73 | 67.48 | +3.84 | ROK ahead |
| 2025-05-13 | 113.08 | 71.29 | +3.47 | ROK ahead |
| 2025-05-12 | 109.88 | 71.89 | +3.20 | ROK ahead |
| 2025-05-09 | 108.06 | 67.00 | +3.83 | ROK ahead |
| 2025-05-08 | 106.75 | 68.27 | +3.63 | ROK ahead |
| 2025-05-07 | 103.79 | 67.78 | +3.52 | ROK ahead |
| 2025-05-06 | 92.75 | 67.64 | +2.44 | ROK ahead |
| 2025-05-05 | 93.04 | 70.18 | +2.12 | ROK ahead |
| 2025-05-02 | 92.97 | 70.39 | +2.11 | ROK ahead |
| 2025-05-01 | 91.33 | 69.78 | +2.04 | ROK ahead |
| 2025-04-30 | 90.79 | 71.30 | +1.77 | ROK ahead |
| 2025-04-29 | 90.77 | 71.05 | +1.82 | ROK ahead |
| 2025-04-28 | 90.37 | 70.02 | +1.95 | ROK ahead |
| 2025-04-25 | 91.04 | 70.51 | +1.98 | ROK ahead |
| 2025-04-24 | 91.10 | 70.91 | +1.95 | ROK ahead |
| 2025-04-23 | 87.91 | 71.74 | +1.44 | ROK ahead |
| 2025-04-22 | 85.92 | 72.25 | +1.12 | ROK ahead |
| 2025-04-21 | 83.18 | 70.11 | +1.10 | ROK ahead |
| 2025-04-17 | 85.14 | 71.05 | +1.21 | ROK ahead |
| 2025-04-16 | 83.61 | 72.59 | +0.78 | ROK ahead |
| 2025-04-15 | 85.42 | 73.29 | +0.91 | ROK ahead |
| 2025-04-14 | 85.56 | 74.68 | +0.72 | ROK ahead |
| 2025-04-11 | 84.08 | 72.82 | +0.81 | ROK ahead |
| 2025-04-10 | 84.36 | 71.04 | +1.13 | ROK ahead |
| 2025-04-09 | 88.86 | 75.38 | +1.06 | ROK ahead |
| 2025-04-08 | 80.26 | 69.69 | +0.80 | ROK ahead |
| 2025-04-07 | 83.43 | 72.77 | +0.76 | ROK ahead |
| 2025-04-04 | 83.25 | 72.78 | +0.73 | ROK ahead |
| 2025-04-03 | 87.66 | 78.12 | +0.52 | ROK ahead |
| 2025-04-02 | 95.62 | 81.28 | +1.06 | ROK ahead |
| 2025-04-01 | 94.84 | 80.27 | +1.11 | ROK ahead |
| 2025-03-31 | 94.71 | 82.70 | +0.76 | ROK ahead |
| 2025-03-28 | 94.80 | 83.12 | +0.72 | ROK ahead |
| 2025-03-27 | 98.26 | 85.04 | +0.87 | ROK ahead |
| 2025-03-26 | 98.70 | 85.37 | +0.88 | ROK ahead |
| 2025-03-25 | 100.01 | 85.48 | +1.02 | ROK ahead |
| 2025-03-24 | 98.22 | 86.40 | +0.70 | ROK ahead |
| 2025-03-21 | 94.86 | 86.04 | +0.35 | near the usual relationship |
| 2025-03-20 | 94.60 | 86.19 | +0.30 | near the usual relationship |
| 2025-03-19 | 95.31 | 86.16 | +0.39 | near the usual relationship |
| 2025-03-18 | 94.62 | 86.67 | +0.25 | near the usual relationship |
| 2025-03-17 | 96.03 | 86.35 | +0.46 | near the usual relationship |
| 2025-03-14 | 95.37 | 86.76 | +0.33 | near the usual relationship |
| 2025-03-13 | 93.57 | 84.58 | +0.40 | near the usual relationship |
| 2025-03-12 | 96.03 | 85.20 | +0.62 | ROK ahead |
| 2025-03-11 | 97.19 | 85.46 | +0.72 | ROK ahead |
| 2025-03-10 | 99.10 | 87.55 | +0.67 | ROK ahead |
| 2025-03-07 | 101.36 | 88.37 | +0.82 | ROK ahead |
| 2025-03-06 | 99.63 | 87.69 | +0.72 | ROK ahead |
| 2025-03-05 | 100.31 | 87.12 | +0.87 | ROK ahead |
| 2025-03-04 | 98.19 | 85.85 | +0.80 | ROK ahead |
| 2025-03-03 | 102.13 | 87.03 | +1.10 | ROK ahead |
| 2025-02-28 | 105.25 | 87.91 | +1.33 | ROK ahead |
| 2025-02-27 | 104.22 | 86.96 | +1.36 | ROK ahead |
| 2025-02-26 | 105.23 | 88.63 | +1.25 | ROK ahead |
| 2025-02-25 | 105.84 | 89.67 | +1.19 | ROK ahead |
| 2025-02-24 | 107.26 | 89.00 | +1.44 | ROK ahead |
| 2025-02-21 | 108.21 | 88.51 | +1.62 | ROK ahead |
| 2025-02-20 | 111.13 | 89.38 | +1.83 | ROK ahead |
| 2025-02-19 | 109.72 | 88.23 | +1.85 | ROK ahead |
| 2025-02-18 | 110.38 | 86.93 | +2.12 | ROK ahead |
| 2025-02-14 | 107.91 | 88.39 | +1.66 | ROK ahead |
| 2025-02-13 | 109.47 | 88.52 | +1.83 | ROK ahead |
| 2025-02-12 | 110.68 | 89.41 | +1.86 | ROK ahead |
| 2025-02-11 | 111.34 | 90.61 | +1.78 | ROK ahead |
| 2025-02-10 | 110.82 | 91.88 | +1.57 | ROK ahead |
| 2025-02-07 | 98.38 | 94.97 | -0.29 | near the usual relationship |
| 2025-02-06 | 98.50 | 95.18 | -0.30 | near the usual relationship |
| 2025-02-05 | 99.17 | 96.79 | -0.42 | near the usual relationship |
| 2025-02-04 | 99.09 | 96.49 | -0.40 | near the usual relationship |
| 2025-02-03 | 99.35 | 98.68 | -0.64 | TMO ahead |
| 2025-01-31 | 102.06 | 99.34 | -0.40 | near the usual relationship |
| 2025-01-30 | 102.27 | 100.84 | -0.56 | TMO ahead |
| 2025-01-29 | 102.23 | 94.44 | +0.22 | near the usual relationship |
| 2025-01-28 | 103.45 | 97.10 | +0.02 | near the usual relationship |
| 2025-01-27 | 104.18 | 97.00 | +0.11 | near the usual relationship |
| 2025-01-24 | 105.72 | 95.53 | +0.46 | near the usual relationship |
| 2025-01-23 | 106.55 | 95.54 | +0.55 | ROK ahead |
| 2025-01-22 | 105.91 | 95.49 | +0.47 | near the usual relationship |
| 2025-01-21 | 106.58 | 95.24 | +0.57 | ROK ahead |
| 2025-01-17 | 105.05 | 93.01 | +0.67 | ROK ahead |
| 2025-01-16 | 102.98 | 93.35 | +0.39 | near the usual relationship |
| 2025-01-15 | 101.21 | 91.65 | +0.40 | near the usual relationship |
| 2025-01-14 | 101.52 | 92.57 | +0.31 | near the usual relationship |
| 2025-01-13 | 100.99 | 92.32 | +0.28 | near the usual relationship |
| 2025-01-10 | 100.21 | 90.13 | +0.46 | near the usual relationship |
| 2025-01-08 | 102.47 | 90.56 | +0.65 | ROK ahead |
| 2025-01-07 | 103.11 | 90.68 | +0.69 | ROK ahead |
| 2025-01-06 | 103.17 | 89.28 | +0.87 | ROK ahead |
| 2025-01-03 | 103.65 | 88.42 | +1.02 | ROK ahead |
| 2025-01-02 | 102.96 | 86.85 | +1.14 | ROK ahead |
| 2024-12-31 | 104.75 | 86.46 | +1.37 | ROK ahead |
| 2024-12-30 | 104.70 | 86.23 | +1.39 | ROK ahead |
| 2024-12-27 | 106.48 | 87.43 | +1.41 | ROK ahead |
| 2024-12-26 | 107.72 | 87.61 | +1.51 | ROK ahead |
| 2024-12-24 | 107.10 | 87.91 | +1.40 | ROK ahead |
| 2024-12-23 | 106.01 | 87.30 | +1.36 | ROK ahead |
| 2024-12-20 | 106.22 | 87.09 | +1.39 | ROK ahead |
| 2024-12-19 | 104.83 | 85.87 | +1.40 | ROK ahead |
| 2024-12-18 | 105.45 | 85.79 | +1.46 | ROK ahead |
| 2024-12-17 | 107.58 | 87.89 | +1.41 | ROK ahead |
| 2024-12-16 | 108.53 | 88.13 | +1.47 | ROK ahead |
| 2024-12-13 | 108.94 | 87.57 | +1.57 | ROK ahead |
| 2024-12-12 | 111.03 | 87.25 | +1.82 | ROK ahead |
| 2024-12-11 | 109.00 | 88.81 | +1.43 | ROK ahead |
| 2024-12-10 | 107.65 | 89.05 | +1.26 | ROK ahead |
| 2024-12-09 | 109.49 | 89.28 | +1.41 | ROK ahead |
| 2024-12-06 | 108.28 | 87.98 | +1.45 | ROK ahead |
| 2024-12-05 | 108.90 | 86.56 | +1.69 | ROK ahead |
| 2024-12-04 | 107.70 | 87.89 | +1.41 | ROK ahead |
| 2024-12-03 | 106.87 | 88.82 | +1.21 | ROK ahead |
| 2024-12-02 | 108.91 | 88.07 | +1.50 | ROK ahead |
| 2024-11-29 | 108.18 | 88.02 | +1.44 | ROK ahead |
| 2024-11-27 | 108.11 | 86.70 | +1.59 | ROK ahead |
| 2024-11-26 | 108.50 | 85.25 | +1.81 | ROK ahead |
| 2024-11-25 | 109.49 | 85.46 | +1.89 | ROK ahead |
| 2024-11-22 | 106.61 | 85.30 | +1.63 | ROK ahead |
| 2024-11-21 | 102.01 | 85.77 | +1.10 | ROK ahead |
| 2024-11-20 | 102.66 | 85.23 | +1.23 | ROK ahead |
| 2024-11-19 | 101.95 | 84.61 | +1.22 | ROK ahead |
| 2024-11-18 | 103.78 | 83.31 | +1.57 | ROK ahead |
| 2024-11-15 | 104.89 | 85.27 | +1.43 | ROK ahead |
| 2024-11-14 | 104.99 | 88.58 | +1.03 | ROK ahead |
| 2024-11-13 | 105.04 | 90.06 | +0.86 | ROK ahead |
| 2024-11-12 | 101.85 | 89.87 | +0.55 | ROK ahead |
| 2024-11-11 | 101.83 | 90.89 | +0.42 | near the usual relationship |
| 2024-11-08 | 99.75 | 91.70 | +0.11 | near the usual relationship |
| 2024-11-07 | 101.57 | 92.39 | +0.22 | near the usual relationship |
| 2024-11-06 | 107.76 | 93.01 | +0.74 | ROK ahead |
| 2024-11-05 | 98.67 | 93.20 | -0.18 | near the usual relationship |
| 2024-11-04 | 97.01 | 92.32 | -0.26 | near the usual relationship |
| 2024-11-01 | 98.50 | 92.72 | -0.16 | near the usual relationship |
| 2024-10-31 | 97.76 | 90.79 | -0.03 | near the usual relationship |
| 2024-10-30 | 97.73 | 91.51 | -0.12 | near the usual relationship |
| 2024-10-29 | 98.39 | 91.04 | -0.01 | near the usual relationship |
| 2024-10-28 | 99.45 | 91.83 | +0.00 | near the usual relationship |
| 2024-10-25 | 98.92 | 92.13 | -0.09 | near the usual relationship |
| 2024-10-24 | 98.12 | 92.63 | -0.22 | near the usual relationship |
| 2024-10-23 | 97.66 | 95.81 | -0.59 | TMO ahead |
| 2024-10-22 | 98.52 | 97.45 | -0.68 | TMO ahead |
| 2024-10-21 | 98.94 | 98.95 | -0.79 | TMO ahead |
| 2024-10-18 | 100.00 | 100.00 | -0.79 | TMO ahead |
One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Nov 6, 2024 (ROK +9.2%, TMO -0.2%); Feb 10, 2025 (ROK +12.7%, TMO -3.3%); May 7, 2025 (ROK +11.9%, TMO +0.2%); Oct 1, 2025 (ROK -0.1%, TMO +9.4%); Apr 23, 2026 (ROK +0.5%, TMO -9.2%). Upcoming earnings: ROK Nov 5, 2026 (not-supplied).
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
ROK and TMO at a glance
ROK Rockwell Automation Inc.
- Listing
- NYSE · SEC CIK 1024478
- Industry
- Industrial Machinery/Components · SIC 3829 Measuring & Controlling Devices, NEC
- Market value
- $47.2B
- Price history
- 2,521 daily closes, Oct 12, 2016 to Oct 22, 2026
TMO Thermo Fisher Scientific Inc
- Listing
- NYSE · SEC CIK 97745
- Industry
- Industrial Machinery/Components · SIC 3829 Measuring & Controlling Devices, NEC
- Market value
- $251.2B
- 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 ROK and TMO
| Pair | Status | Ahead now | Industry |
|---|---|---|---|
| TMO / TRMB | Watchlist | TMO by 1.27 sd | SIC 3829 Measuring & Controlling Devices, NEC |
| ROK / TRMB | Watchlist | neither | SIC 3829 Measuring & Controlling Devices, NEC |
Follow the research behind the paper book
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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.
