The Cigna Group vs Elevance Health Inc.
Why these are rivals: #2 and #3 by market value ($93B vs $79B) in Nasdaq's "Medical Specialities" industry; SEC SIC 6324 / 6324 (same major group); #2 and #3 by market value ($93B vs $79B) with SEC SIC 6324 (Hospital & Medical Service Plans).
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: 0.46 (needs >= 0.60)
- Mean reversion: ADF t-statistic of the spread: -1.90 (needs <= -2.873 (5% critical value))
CI is the larger business
Annual revenue reported to the SEC. Scale, not market share.
| Year | CI | ELV | Larger |
|---|---|---|---|
| 2025 | $274.9B | $199.1B | CI |
| 2024 | $247.1B | $177.0B | CI |
| 2023 | $195.3B | $171.3B | CI |
| 2022 | $180.5B | $156.6B | CI |
| 2021 | $174.1B | $138.6B | CI |
| 2020 | $160.4B | $121.9B | CI |
CI led in every year with figures for both. Market value: CI $78.9B, ELV $93.3B.
ELV is ahead now
Measured against the pair's own last 252 trading days.
ELV leads CI by 0.87 standard deviations: +9.1% over its usual price ratio. 3 lead switches in the last year.
| Price change | 3 mo | 6 mo | 12 mo |
|---|---|---|---|
| CI | +9.1% | +12.9% | +2.7% |
| ELV | +17.9% | +28.6% | +27.3% |
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: 0.46 (needs >= 0.60)
- Fail
- Mean reversion: ADF t-statistic of the spread: -1.90 (needs <= -2.873 (5% critical value))
- Pass
- Speed: half-life of the spread, sessions: 25.66 (needs <= 63)
- Data
- Both stocks current
Prices side by side, and the gap between them
Data table (504 sessions)
| Date | CI index | ELV index | z | Ahead |
|---|---|---|---|---|
| 2026-10-22 | 94.01 | 103.37 | -0.87 | ELV ahead |
| 2026-10-21 | 90.59 | 100.78 | -0.99 | ELV ahead |
| 2026-10-20 | 91.25 | 102.18 | -1.07 | ELV ahead |
| 2026-10-19 | 88.84 | 99.87 | -1.11 | ELV ahead |
| 2026-10-16 | 89.97 | 99.42 | -0.95 | ELV ahead |
| 2026-10-15 | 88.93 | 99.46 | -1.08 | ELV ahead |
| 2026-10-14 | 86.18 | 99.38 | -1.40 | ELV ahead |
| 2026-10-13 | 84.09 | 98.72 | -1.59 | ELV ahead |
| 2026-10-12 | 84.33 | 97.99 | -1.50 | ELV ahead |
| 2026-10-09 | 84.06 | 95.81 | -1.32 | ELV ahead |
| 2026-10-08 | 83.64 | 93.08 | -1.09 | ELV ahead |
| 2026-10-07 | 82.89 | 93.86 | -1.27 | ELV ahead |
| 2026-10-06 | 81.66 | 92.88 | -1.33 | ELV ahead |
| 2026-10-05 | 80.74 | 91.58 | -1.31 | ELV ahead |
| 2026-10-02 | 80.51 | 89.71 | -1.14 | ELV ahead |
| 2026-10-01 | 79.75 | 88.60 | -1.12 | ELV ahead |
| 2026-09-30 | 80.90 | 90.26 | -1.17 | ELV ahead |
| 2026-09-29 | 81.92 | 91.17 | -1.15 | ELV ahead |
| 2026-09-28 | 80.90 | 91.60 | -1.34 | ELV ahead |
| 2026-09-25 | 80.96 | 91.95 | -1.38 | ELV ahead |
| 2026-09-24 | 79.02 | 92.45 | -1.70 | ELV ahead |
| 2026-09-23 | 79.84 | 92.52 | -1.61 | ELV ahead |
| 2026-09-22 | 81.47 | 93.42 | -1.52 | ELV ahead |
| 2026-09-21 | 81.69 | 95.02 | -1.68 | ELV ahead |
| 2026-09-18 | 81.93 | 95.40 | -1.70 | ELV ahead |
| 2026-09-17 | 82.14 | 96.17 | -1.77 | ELV ahead |
| 2026-09-16 | 83.47 | 95.77 | -1.57 | ELV ahead |
| 2026-09-15 | 85.98 | 96.93 | -1.40 | ELV ahead |
| 2026-09-14 | 86.32 | 98.48 | -1.53 | ELV ahead |
| 2026-09-11 | 83.56 | 97.20 | -1.73 | ELV ahead |
| 2026-09-10 | 83.60 | 96.70 | -1.69 | ELV ahead |
| 2026-09-09 | 82.79 | 92.14 | -1.31 | ELV ahead |
| 2026-09-08 | 82.09 | 93.31 | -1.53 | ELV ahead |
| 2026-09-04 | 84.08 | 94.60 | -1.44 | ELV ahead |
| 2026-09-03 | 85.20 | 96.29 | -1.50 | ELV ahead |
| 2026-09-02 | 84.18 | 94.21 | -1.41 | ELV ahead |
| 2026-09-01 | 84.24 | 93.56 | -1.34 | ELV ahead |
| 2026-08-31 | 82.17 | 91.13 | -1.34 | ELV ahead |
| 2026-08-28 | 83.00 | 91.56 | -1.30 | ELV ahead |
| 2026-08-27 | 82.64 | 92.65 | -1.46 | ELV ahead |
| 2026-08-26 | 83.59 | 93.45 | -1.45 | ELV ahead |
| 2026-08-25 | 83.13 | 92.59 | -1.42 | ELV ahead |
| 2026-08-24 | 83.47 | 93.47 | -1.48 | ELV ahead |
| 2026-08-21 | 82.59 | 92.98 | -1.54 | ELV ahead |
| 2026-08-20 | 81.67 | 91.99 | -1.56 | ELV ahead |
| 2026-08-19 | 82.57 | 92.50 | -1.52 | ELV ahead |
| 2026-08-18 | 82.89 | 92.46 | -1.49 | ELV ahead |
| 2026-08-17 | 81.94 | 90.59 | -1.41 | ELV ahead |
| 2026-08-14 | 84.10 | 92.93 | -1.42 | ELV ahead |
| 2026-08-13 | 82.74 | 92.44 | -1.54 | ELV ahead |
| 2026-08-12 | 82.56 | 92.66 | -1.59 | ELV ahead |
| 2026-08-11 | 81.51 | 90.62 | -1.51 | ELV ahead |
| 2026-08-10 | 82.86 | 92.32 | -1.55 | ELV ahead |
| 2026-08-07 | 84.07 | 91.51 | -1.33 | ELV ahead |
| 2026-08-06 | 81.92 | 90.86 | -1.52 | ELV ahead |
| 2026-08-05 | 80.51 | 90.82 | -1.70 | ELV ahead |
| 2026-08-04 | 81.56 | 87.75 | -1.26 | ELV ahead |
| 2026-08-03 | 83.95 | 88.86 | -1.11 | ELV ahead |
| 2026-07-31 | 83.05 | 87.25 | -1.04 | ELV ahead |
| 2026-07-30 | 85.61 | 87.38 | -0.77 | ELV ahead |
| 2026-07-29 | 88.24 | 87.28 | -0.48 | near the usual relationship |
| 2026-07-28 | 89.60 | 89.54 | -0.58 | ELV ahead |
| 2026-07-27 | 86.61 | 87.83 | -0.72 | ELV ahead |
| 2026-07-24 | 86.18 | 87.68 | -0.76 | ELV ahead |
| 2026-07-23 | 85.21 | 88.05 | -0.91 | ELV ahead |
| 2026-07-22 | 84.78 | 90.32 | -1.19 | ELV ahead |
| 2026-07-21 | 86.46 | 91.33 | -1.12 | ELV ahead |
| 2026-07-20 | 84.51 | 88.73 | -1.08 | ELV ahead |
| 2026-07-17 | 83.76 | 86.61 | -0.94 | ELV ahead |
| 2026-07-16 | 84.47 | 86.55 | -0.87 | ELV ahead |
| 2026-07-15 | 88.63 | 90.61 | -0.85 | ELV ahead |
| 2026-07-14 | 90.28 | 99.08 | -1.51 | ELV ahead |
| 2026-07-13 | 90.63 | 98.70 | -1.45 | ELV ahead |
| 2026-07-10 | 87.34 | 96.62 | -1.61 | ELV ahead |
| 2026-07-09 | 86.85 | 97.59 | -1.77 | ELV ahead |
| 2026-07-08 | 86.23 | 96.59 | -1.76 | ELV ahead |
| 2026-07-07 | 85.30 | 97.23 | -1.95 | ELV ahead |
| 2026-07-06 | 83.92 | 94.75 | -1.88 | ELV ahead |
| 2026-07-02 | 85.65 | 97.01 | -1.93 | ELV ahead |
| 2026-07-01 | 82.46 | 96.62 | -2.28 | ELV ahead |
| 2026-06-30 | 82.05 | 89.78 | -1.65 | ELV ahead |
| 2026-06-29 | 82.96 | 90.08 | -1.59 | ELV ahead |
| 2026-06-26 | 84.16 | 91.74 | -1.64 | ELV ahead |
| 2026-06-25 | 83.89 | 89.91 | -1.49 | ELV ahead |
| 2026-06-24 | 83.17 | 89.14 | -1.50 | ELV ahead |
| 2026-06-23 | 84.25 | 91.72 | -1.67 | ELV ahead |
| 2026-06-22 | 83.95 | 91.65 | -1.71 | ELV ahead |
| 2026-06-18 | 83.12 | 90.19 | -1.67 | ELV ahead |
| 2026-06-17 | 84.85 | 90.83 | -1.55 | ELV ahead |
| 2026-06-16 | 86.87 | 92.35 | -1.49 | ELV ahead |
| 2026-06-15 | 87.45 | 93.30 | -1.53 | ELV ahead |
| 2026-06-12 | 88.69 | 93.80 | -1.46 | ELV ahead |
| 2026-06-11 | 87.75 | 92.67 | -1.45 | ELV ahead |
| 2026-06-10 | 88.04 | 93.92 | -1.56 | ELV ahead |
| 2026-06-09 | 87.80 | 98.53 | -2.10 | ELV ahead |
| 2026-06-08 | 86.19 | 97.07 | -2.16 | ELV ahead |
| 2026-06-05 | 86.15 | 96.46 | -2.12 | ELV ahead |
| 2026-06-04 | 83.54 | 95.05 | -2.32 | ELV ahead |
| 2026-06-03 | 80.57 | 90.83 | -2.25 | ELV ahead |
| 2026-06-02 | 81.17 | 90.31 | -2.14 | ELV ahead |
| 2026-06-01 | 81.60 | 93.47 | -2.49 | ELV ahead |
| 2026-05-29 | 82.56 | 91.28 | -2.13 | ELV ahead |
| 2026-05-28 | 84.62 | 91.17 | -1.87 | ELV ahead |
| 2026-05-27 | 85.04 | 90.88 | -1.79 | ELV ahead |
| 2026-05-26 | 83.58 | 90.04 | -1.90 | ELV ahead |
| 2026-05-22 | 85.19 | 91.62 | -1.90 | ELV ahead |
| 2026-05-21 | 83.93 | 90.49 | -1.94 | ELV ahead |
| 2026-05-20 | 84.26 | 91.98 | -2.10 | ELV ahead |
| 2026-05-19 | 86.69 | 93.38 | -1.96 | ELV ahead |
| 2026-05-18 | 85.32 | 91.48 | -1.92 | ELV ahead |
| 2026-05-15 | 84.90 | 91.16 | -1.96 | ELV ahead |
| 2026-05-14 | 87.78 | 92.09 | -1.70 | ELV ahead |
| 2026-05-13 | 89.50 | 92.77 | -1.56 | ELV ahead |
| 2026-05-12 | 88.84 | 91.30 | -1.47 | ELV ahead |
| 2026-05-11 | 86.03 | 88.62 | -1.51 | ELV ahead |
| 2026-05-08 | 85.73 | 87.77 | -1.44 | ELV ahead |
| 2026-05-07 | 84.54 | 86.57 | -1.45 | ELV ahead |
| 2026-05-06 | 83.92 | 86.99 | -1.60 | ELV ahead |
| 2026-05-05 | 82.04 | 85.68 | -1.70 | ELV ahead |
| 2026-05-04 | 83.14 | 86.33 | -1.65 | ELV ahead |
| 2026-05-01 | 84.20 | 86.51 | -1.53 | ELV ahead |
| 2026-04-30 | 86.48 | 87.38 | -1.34 | ELV ahead |
| 2026-04-29 | 87.00 | 87.43 | -1.28 | ELV ahead |
| 2026-04-28 | 84.80 | 84.21 | -1.13 | ELV ahead |
| 2026-04-27 | 84.10 | 82.67 | -1.01 | ELV ahead |
| 2026-04-24 | 82.04 | 80.03 | -0.92 | ELV ahead |
| 2026-04-23 | 83.25 | 80.39 | -0.80 | ELV ahead |
| 2026-04-22 | 81.76 | 76.19 | -0.37 | near the usual relationship |
| 2026-04-21 | 82.35 | 76.17 | -0.27 | near the usual relationship |
| 2026-04-20 | 83.31 | 74.14 | +0.20 | near the usual relationship |
| 2026-04-17 | 82.93 | 74.99 | +0.01 | near the usual relationship |
| 2026-04-16 | 82.25 | 73.32 | +0.19 | near the usual relationship |
| 2026-04-15 | 79.95 | 72.24 | +0.03 | near the usual relationship |
| 2026-04-14 | 81.13 | 72.74 | +0.13 | near the usual relationship |
| 2026-04-13 | 81.88 | 73.37 | +0.14 | near the usual relationship |
| 2026-04-10 | 80.73 | 72.32 | +0.16 | near the usual relationship |
| 2026-04-09 | 82.87 | 73.56 | +0.27 | near the usual relationship |
| 2026-04-08 | 82.61 | 73.87 | +0.19 | near the usual relationship |
| 2026-04-07 | 81.62 | 72.39 | +0.29 | near the usual relationship |
| 2026-04-06 | 82.05 | 70.25 | +0.69 | CI ahead |
| 2026-04-02 | 80.36 | 69.81 | +0.53 | CI ahead |
| 2026-04-01 | 79.56 | 69.29 | +0.51 | CI ahead |
| 2026-03-31 | 79.39 | 67.96 | +0.71 | CI ahead |
| 2026-03-30 | 76.81 | 66.11 | +0.66 | CI ahead |
| 2026-03-27 | 77.96 | 66.48 | +0.77 | CI ahead |
| 2026-03-26 | 80.98 | 68.31 | +0.89 | CI ahead |
| 2026-03-25 | 80.46 | 68.74 | +0.76 | CI ahead |
| 2026-03-24 | 79.13 | 67.40 | +0.80 | CI ahead |
| 2026-03-23 | 77.82 | 67.14 | +0.66 | CI ahead |
| 2026-03-20 | 78.23 | 67.66 | +0.64 | CI ahead |
| 2026-03-19 | 78.74 | 67.59 | +0.73 | CI ahead |
| 2026-03-18 | 78.75 | 68.47 | +0.60 | CI ahead |
| 2026-03-17 | 78.41 | 68.66 | +0.53 | CI ahead |
| 2026-03-16 | 79.87 | 67.80 | +0.87 | CI ahead |
| 2026-03-13 | 79.52 | 67.70 | +0.85 | CI ahead |
| 2026-03-12 | 79.13 | 66.83 | +0.94 | CI ahead |
| 2026-03-11 | 77.64 | 67.27 | +0.67 | CI ahead |
| 2026-03-10 | 78.11 | 65.62 | +1.01 | CI ahead |
| 2026-03-09 | 80.26 | 65.17 | +1.39 | CI ahead |
| 2026-03-06 | 80.84 | 67.24 | +1.14 | CI ahead |
| 2026-03-05 | 83.71 | 66.50 | +1.65 | CI ahead |
| 2026-03-04 | 84.74 | 67.66 | +1.61 | CI ahead |
| 2026-03-03 | 84.50 | 65.94 | +1.89 | CI ahead |
| 2026-03-02 | 86.56 | 68.27 | +1.79 | CI ahead |
| 2026-02-27 | 86.26 | 74.29 | +0.82 | CI ahead |
| 2026-02-26 | 85.96 | 74.99 | +0.69 | CI ahead |
| 2026-02-25 | 84.65 | 76.73 | +0.27 | near the usual relationship |
| 2026-02-24 | 83.63 | 75.94 | +0.25 | near the usual relationship |
| 2026-02-23 | 84.28 | 77.97 | +0.05 | near the usual relationship |
| 2026-02-20 | 83.43 | 79.61 | -0.28 | near the usual relationship |
| 2026-02-19 | 85.10 | 80.83 | -0.23 | near the usual relationship |
| 2026-02-18 | 86.35 | 80.38 | +0.00 | near the usual relationship |
| 2026-02-17 | 86.52 | 80.04 | +0.07 | near the usual relationship |
| 2026-02-13 | 86.74 | 80.51 | +0.04 | near the usual relationship |
| 2026-02-12 | 85.60 | 78.01 | +0.24 | near the usual relationship |
| 2026-02-11 | 87.72 | 76.67 | +0.70 | CI ahead |
| 2026-02-10 | 85.66 | 75.59 | +0.60 | CI ahead |
| 2026-02-09 | 87.62 | 76.03 | +0.79 | CI ahead |
| 2026-02-06 | 86.92 | 78.69 | +0.34 | near the usual relationship |
| 2026-02-05 | 84.68 | 77.13 | +0.28 | near the usual relationship |
| 2026-02-04 | 80.87 | 79.07 | -0.47 | near the usual relationship |
| 2026-02-03 | 81.96 | 78.62 | -0.26 | near the usual relationship |
| 2026-02-02 | 80.82 | 79.35 | -0.50 | ELV ahead |
| 2026-01-30 | 81.58 | 80.26 | -0.52 | ELV ahead |
| 2026-01-29 | 80.74 | 80.55 | -0.66 | ELV ahead |
| 2026-01-28 | 81.07 | 79.36 | -0.46 | near the usual relationship |
| 2026-01-27 | 80.38 | 74.96 | +0.05 | near the usual relationship |
| 2026-01-26 | 83.46 | 87.50 | -1.17 | ELV ahead |
| 2026-01-23 | 83.10 | 86.14 | -1.05 | ELV ahead |
| 2026-01-22 | 83.45 | 86.41 | -1.03 | ELV ahead |
| 2026-01-21 | 81.82 | 85.86 | -1.17 | ELV ahead |
| 2026-01-20 | 80.73 | 85.21 | -1.23 | ELV ahead |
| 2026-01-16 | 81.01 | 87.02 | -1.41 | ELV ahead |
| 2026-01-15 | 82.72 | 88.66 | -1.39 | ELV ahead |
| 2026-01-14 | 80.65 | 86.55 | -1.40 | ELV ahead |
| 2026-01-13 | 80.90 | 86.05 | -1.31 | ELV ahead |
| 2026-01-12 | 82.15 | 87.05 | -1.27 | ELV ahead |
| 2026-01-09 | 83.02 | 86.55 | -1.10 | ELV ahead |
| 2026-01-08 | 84.50 | 87.00 | -0.97 | ELV ahead |
| 2026-01-07 | 83.07 | 85.12 | -0.92 | ELV ahead |
| 2026-01-06 | 84.75 | 86.21 | -0.84 | ELV ahead |
| 2026-01-05 | 84.51 | 84.39 | -0.64 | ELV ahead |
| 2026-01-02 | 83.07 | 82.24 | -0.55 | ELV ahead |
| 2025-12-31 | 81.91 | 81.38 | -0.58 | ELV ahead |
| 2025-12-30 | 82.29 | 80.97 | -0.48 | near the usual relationship |
| 2025-12-29 | 82.15 | 80.87 | -0.49 | near the usual relationship |
| 2025-12-26 | 82.29 | 81.22 | -0.51 | ELV ahead |
| 2025-12-24 | 81.80 | 79.69 | -0.37 | near the usual relationship |
| 2025-12-23 | 81.47 | 79.68 | -0.41 | near the usual relationship |
| 2025-12-22 | 82.02 | 79.92 | -0.37 | near the usual relationship |
| 2025-12-19 | 80.92 | 79.09 | -0.40 | near the usual relationship |
| 2025-12-18 | 81.55 | 80.00 | -0.43 | near the usual relationship |
| 2025-12-17 | 81.50 | 80.31 | -0.47 | near the usual relationship |
| 2025-12-16 | 82.18 | 81.69 | -0.56 | ELV ahead |
| 2025-12-15 | 82.49 | 83.73 | -0.77 | ELV ahead |
| 2025-12-12 | 81.76 | 83.36 | -0.81 | ELV ahead |
| 2025-12-11 | 81.03 | 83.62 | -0.94 | ELV ahead |
| 2025-12-10 | 78.15 | 79.17 | -0.76 | ELV ahead |
| 2025-12-09 | 78.19 | 76.56 | -0.41 | near the usual relationship |
| 2025-12-08 | 78.43 | 76.75 | -0.41 | near the usual relationship |
| 2025-12-05 | 79.00 | 76.78 | -0.34 | near the usual relationship |
| 2025-12-04 | 79.89 | 77.42 | -0.31 | near the usual relationship |
| 2025-12-03 | 80.45 | 76.78 | -0.16 | near the usual relationship |
| 2025-12-02 | 81.58 | 76.82 | -0.02 | near the usual relationship |
| 2025-12-01 | 81.42 | 76.53 | +0.00 | near the usual relationship |
| 2025-11-28 | 82.52 | 78.52 | -0.13 | near the usual relationship |
| 2025-11-26 | 82.84 | 78.58 | -0.10 | near the usual relationship |
| 2025-11-25 | 82.80 | 78.06 | -0.03 | near the usual relationship |
| 2025-11-24 | 80.79 | 76.51 | -0.08 | near the usual relationship |
| 2025-11-21 | 82.76 | 74.69 | +0.41 | near the usual relationship |
| 2025-11-20 | 80.24 | 72.89 | +0.35 | near the usual relationship |
| 2025-11-19 | 80.95 | 73.44 | +0.36 | near the usual relationship |
| 2025-11-18 | 81.13 | 75.34 | +0.13 | near the usual relationship |
| 2025-11-17 | 80.75 | 76.82 | -0.11 | near the usual relationship |
| 2025-11-14 | 80.26 | 75.64 | -0.02 | near the usual relationship |
| 2025-11-13 | 80.62 | 76.21 | -0.05 | near the usual relationship |
| 2025-11-12 | 80.54 | 76.06 | -0.04 | near the usual relationship |
| 2025-11-11 | 79.76 | 73.18 | +0.26 | near the usual relationship |
| 2025-11-10 | 76.83 | 70.52 | +0.26 | near the usual relationship |
| 2025-11-07 | 78.74 | 73.77 | +0.06 | near the usual relationship |
| 2025-11-06 | 76.30 | 72.99 | -0.15 | near the usual relationship |
| 2025-11-05 | 77.26 | 73.84 | -0.13 | near the usual relationship |
| 2025-11-04 | 78.77 | 73.50 | +0.11 | near the usual relationship |
| 2025-11-03 | 76.97 | 72.70 | -0.01 | near the usual relationship |
| 2025-10-31 | 72.74 | 73.64 | -0.70 | ELV ahead |
| 2025-10-30 | 73.54 | 74.74 | -0.74 | ELV ahead |
| 2025-10-29 | 89.02 | 78.08 | +0.74 | CI ahead |
| 2025-10-28 | 91.79 | 78.79 | +0.96 | CI ahead |
| 2025-10-27 | 92.02 | 79.51 | +0.90 | CI ahead |
| 2025-10-24 | 89.82 | 79.47 | +0.67 | CI ahead |
| 2025-10-23 | 90.79 | 80.39 | +0.67 | CI ahead |
| 2025-10-22 | 91.63 | 80.14 | +0.80 | CI ahead |
| 2025-10-21 | 91.52 | 81.19 | +0.66 | CI ahead |
| 2025-10-20 | 91.32 | 82.19 | +0.52 | CI ahead |
| 2025-10-17 | 89.07 | 80.96 | +0.43 | near the usual relationship |
| 2025-10-16 | 86.63 | 80.83 | +0.18 | near the usual relationship |
| 2025-10-15 | 87.67 | 81.13 | +0.26 | near the usual relationship |
| 2025-10-14 | 89.92 | 81.36 | +0.49 | near the usual relationship |
| 2025-10-13 | 87.92 | 81.58 | +0.25 | near the usual relationship |
| 2025-10-10 | 89.50 | 82.00 | +0.38 | near the usual relationship |
| 2025-10-09 | 91.11 | 83.14 | +0.42 | near the usual relationship |
| 2025-10-08 | 91.30 | 84.11 | +0.34 | near the usual relationship |
| 2025-10-07 | 91.41 | 82.99 | +0.48 | near the usual relationship |
| 2025-10-06 | 90.18 | 81.24 | +0.56 | CI ahead |
| 2025-10-03 | 92.56 | 81.37 | +0.80 | CI ahead |
| 2025-10-02 | 88.39 | 78.98 | +0.65 | CI ahead |
| 2025-10-01 | 86.80 | 77.22 | +0.70 | CI ahead |
| 2025-09-30 | 85.79 | 75.01 | +0.87 | CI ahead |
| 2025-09-29 | 85.31 | 74.21 | +0.92 | CI ahead |
| 2025-09-26 | 85.17 | 73.96 | +0.95 | CI ahead |
| 2025-09-25 | 84.54 | 73.52 | +0.94 | CI ahead |
| 2025-09-24 | 86.74 | 75.77 | +0.90 | CI ahead |
| 2025-09-23 | 86.33 | 75.15 | +0.94 | CI ahead |
| 2025-09-22 | 85.90 | 73.80 | +1.07 | CI ahead |
| 2025-09-19 | 86.42 | 72.83 | +1.25 | CI ahead |
| 2025-09-18 | 87.43 | 73.30 | +1.31 | CI ahead |
| 2025-09-17 | 88.27 | 71.61 | +1.61 | CI ahead |
| 2025-09-16 | 87.56 | 71.96 | +1.51 | CI ahead |
| 2025-09-15 | 88.43 | 71.25 | +1.70 | CI ahead |
| 2025-09-12 | 90.11 | 72.37 | +1.74 | CI ahead |
| 2025-09-11 | 91.03 | 73.10 | +1.76 | CI ahead |
| 2025-09-10 | 90.01 | 71.21 | +1.91 | CI ahead |
| 2025-09-09 | 89.88 | 73.15 | +1.66 | CI ahead |
| 2025-09-08 | 89.55 | 71.54 | +1.85 | CI ahead |
| 2025-09-05 | 90.87 | 72.81 | +1.83 | CI ahead |
| 2025-09-04 | 90.49 | 71.51 | +1.98 | CI ahead |
| 2025-09-03 | 89.43 | 74.65 | +1.49 | CI ahead |
| 2025-09-02 | 89.50 | 74.83 | +1.49 | CI ahead |
| 2025-08-29 | 89.54 | 73.97 | +1.61 | CI ahead |
| 2025-08-28 | 88.99 | 72.06 | +1.80 | CI ahead |
| 2025-08-27 | 89.27 | 71.92 | +1.87 | CI ahead |
| 2025-08-26 | 89.38 | 71.97 | +1.88 | CI ahead |
| 2025-08-25 | 89.51 | 72.89 | +1.80 | CI ahead |
| 2025-08-22 | 90.58 | 73.48 | +1.84 | CI ahead |
| 2025-08-21 | 89.57 | 71.87 | +1.96 | CI ahead |
| 2025-08-20 | 90.65 | 71.96 | +2.07 | CI ahead |
| 2025-08-19 | 89.91 | 72.43 | +1.96 | CI ahead |
| 2025-08-18 | 88.79 | 71.81 | +1.93 | CI ahead |
| 2025-08-15 | 88.35 | 71.86 | +1.90 | CI ahead |
| 2025-08-14 | 86.41 | 68.58 | +2.14 | CI ahead |
| 2025-08-13 | 85.45 | 68.35 | +2.09 | CI ahead |
| 2025-08-12 | 83.47 | 67.90 | +1.95 | CI ahead |
| 2025-08-11 | 82.45 | 67.50 | +1.91 | CI ahead |
| 2025-08-08 | 81.82 | 68.25 | +1.76 | CI ahead |
| 2025-08-07 | 80.65 | 65.81 | +1.97 | CI ahead |
| 2025-08-06 | 80.35 | 64.14 | +2.19 | CI ahead |
| 2025-08-05 | 80.58 | 64.17 | +2.24 | CI ahead |
| 2025-08-04 | 79.34 | 63.82 | +2.17 | CI ahead |
| 2025-08-01 | 78.04 | 63.76 | +2.05 | CI ahead |
| 2025-07-31 | 79.58 | 65.71 | +1.98 | CI ahead |
| 2025-07-30 | 88.65 | 68.15 | +2.68 | CI ahead |
| 2025-07-29 | 86.96 | 67.03 | +2.70 | CI ahead |
| 2025-07-28 | 87.02 | 66.39 | +2.85 | CI ahead |
| 2025-07-25 | 88.21 | 67.11 | +2.93 | CI ahead |
| 2025-07-24 | 87.48 | 65.10 | +3.21 | CI ahead |
| 2025-07-23 | 90.58 | 68.85 | +3.07 | CI ahead |
| 2025-07-22 | 89.30 | 65.40 | +3.53 | CI ahead |
| 2025-07-21 | 87.74 | 64.18 | +3.65 | CI ahead |
| 2025-07-18 | 88.01 | 64.32 | +3.75 | CI ahead |
| 2025-07-17 | 88.77 | 70.21 | +2.96 | CI ahead |
| 2025-07-16 | 91.02 | 79.98 | +1.84 | CI ahead |
| 2025-07-15 | 90.01 | 78.05 | +2.00 | CI ahead |
| 2025-07-14 | 90.20 | 78.94 | +1.92 | CI ahead |
| 2025-07-11 | 90.26 | 79.08 | +1.92 | CI ahead |
| 2025-07-10 | 91.90 | 80.29 | +1.97 | CI ahead |
| 2025-07-09 | 92.20 | 80.40 | +2.00 | CI ahead |
| 2025-07-08 | 92.86 | 81.12 | +2.00 | CI ahead |
| 2025-07-07 | 93.34 | 80.53 | +2.15 | CI ahead |
| 2025-07-03 | 95.16 | 80.75 | +2.35 | CI ahead |
| 2025-07-02 | 95.35 | 81.31 | +2.32 | CI ahead |
| 2025-07-01 | 99.52 | 91.87 | +1.48 | CI ahead |
| 2025-06-30 | 98.39 | 90.29 | +1.55 | CI ahead |
| 2025-06-27 | 97.12 | 88.56 | +1.63 | CI ahead |
| 2025-06-26 | 98.21 | 86.63 | +2.01 | CI ahead |
| 2025-06-25 | 94.05 | 86.79 | +1.54 | CI ahead |
| 2025-06-24 | 94.29 | 87.38 | +1.50 | CI ahead |
| 2025-06-23 | 94.34 | 86.45 | +1.64 | CI ahead |
| 2025-06-20 | 93.56 | 86.94 | +1.50 | CI ahead |
| 2025-06-18 | 93.57 | 87.26 | +1.47 | CI ahead |
| 2025-06-17 | 93.01 | 87.10 | +1.44 | CI ahead |
| 2025-06-16 | 93.58 | 87.41 | +1.48 | CI ahead |
| 2025-06-13 | 94.46 | 89.27 | +1.36 | CI ahead |
| 2025-06-12 | 93.86 | 89.66 | +1.26 | CI ahead |
| 2025-06-11 | 92.32 | 88.43 | +1.24 | CI ahead |
| 2025-06-10 | 93.34 | 89.12 | +1.28 | CI ahead |
| 2025-06-09 | 92.68 | 90.45 | +1.05 | CI ahead |
| 2025-06-06 | 92.91 | 91.32 | +0.99 | CI ahead |
| 2025-06-05 | 92.57 | 89.29 | +1.19 | CI ahead |
| 2025-06-04 | 92.30 | 88.23 | +1.30 | CI ahead |
| 2025-06-03 | 92.76 | 87.97 | +1.39 | CI ahead |
| 2025-06-02 | 93.75 | 87.53 | +1.57 | CI ahead |
| 2025-05-30 | 94.24 | 89.11 | +1.45 | CI ahead |
| 2025-05-29 | 92.87 | 88.34 | +1.40 | CI ahead |
| 2025-05-28 | 92.52 | 87.74 | +1.44 | CI ahead |
| 2025-05-27 | 93.83 | 87.28 | +1.66 | CI ahead |
| 2025-05-23 | 94.04 | 86.42 | +1.81 | CI ahead |
| 2025-05-22 | 93.06 | 89.26 | +1.36 | CI ahead |
| 2025-05-21 | 94.37 | 92.88 | +1.10 | CI ahead |
| 2025-05-20 | 96.73 | 95.76 | +1.04 | CI ahead |
| 2025-05-19 | 95.82 | 93.74 | +1.18 | CI ahead |
| 2025-05-16 | 95.52 | 93.62 | +1.17 | CI ahead |
| 2025-05-15 | 91.92 | 90.54 | +1.12 | CI ahead |
| 2025-05-14 | 90.28 | 86.89 | +1.38 | CI ahead |
| 2025-05-13 | 89.85 | 87.15 | +1.31 | CI ahead |
| 2025-05-12 | 93.97 | 96.73 | +0.68 | CI ahead |
| 2025-05-09 | 99.24 | 93.92 | +1.59 | CI ahead |
| 2025-05-08 | 99.14 | 95.73 | +1.39 | CI ahead |
| 2025-05-07 | 99.54 | 96.90 | +1.31 | CI ahead |
| 2025-05-06 | 99.35 | 96.10 | +1.39 | CI ahead |
| 2025-05-05 | 99.11 | 96.64 | +1.32 | CI ahead |
| 2025-05-02 | 99.63 | 95.17 | +1.55 | CI ahead |
| 2025-05-01 | 99.76 | 94.79 | +1.63 | CI ahead |
| 2025-04-30 | 101.20 | 97.63 | +1.48 | CI ahead |
| 2025-04-29 | 100.36 | 96.03 | +1.58 | CI ahead |
| 2025-04-28 | 99.65 | 96.07 | +1.51 | CI ahead |
| 2025-04-25 | 99.81 | 97.89 | +1.34 | CI ahead |
| 2025-04-24 | 99.91 | 99.54 | +1.17 | CI ahead |
| 2025-04-23 | 100.21 | 99.09 | +1.26 | CI ahead |
| 2025-04-22 | 100.32 | 96.55 | +1.58 | CI ahead |
| 2025-04-21 | 96.66 | 94.41 | +1.43 | CI ahead |
| 2025-04-17 | 98.25 | 98.55 | +1.14 | CI ahead |
| 2025-04-16 | 98.05 | 100.99 | +0.85 | CI ahead |
| 2025-04-15 | 97.81 | 101.62 | +0.76 | CI ahead |
| 2025-04-14 | 97.98 | 102.41 | +0.69 | CI ahead |
| 2025-04-11 | 98.27 | 102.10 | +0.77 | CI ahead |
| 2025-04-10 | 97.40 | 101.30 | +0.76 | CI ahead |
| 2025-04-09 | 95.24 | 101.14 | +0.53 | CI ahead |
| 2025-04-08 | 93.40 | 100.03 | +0.43 | near the usual relationship |
| 2025-04-07 | 93.87 | 98.23 | +0.69 | CI ahead |
| 2025-04-04 | 95.95 | 99.56 | +0.79 | CI ahead |
| 2025-04-03 | 100.73 | 105.09 | +0.73 | CI ahead |
| 2025-04-02 | 98.79 | 99.67 | +1.12 | CI ahead |
| 2025-04-01 | 98.51 | 100.44 | +1.00 | CI ahead |
| 2025-03-31 | 97.92 | 100.97 | +0.88 | CI ahead |
| 2025-03-28 | 96.74 | 100.29 | +0.83 | CI ahead |
| 2025-03-27 | 96.65 | 100.27 | +0.82 | CI ahead |
| 2025-03-26 | 95.60 | 99.94 | +0.74 | CI ahead |
| 2025-03-25 | 94.30 | 98.31 | +0.78 | CI ahead |
| 2025-03-24 | 95.36 | 99.18 | +0.81 | CI ahead |
| 2025-03-21 | 94.24 | 99.17 | +0.68 | CI ahead |
| 2025-03-20 | 95.65 | 100.81 | +0.67 | CI ahead |
| 2025-03-19 | 95.49 | 99.93 | +0.75 | CI ahead |
| 2025-03-18 | 95.96 | 101.27 | +0.66 | CI ahead |
| 2025-03-17 | 94.29 | 99.96 | +0.61 | CI ahead |
| 2025-03-14 | 93.12 | 97.72 | +0.73 | CI ahead |
| 2025-03-13 | 92.85 | 96.86 | +0.81 | CI ahead |
| 2025-03-12 | 92.57 | 95.42 | +0.95 | CI ahead |
| 2025-03-11 | 94.60 | 97.97 | +0.90 | CI ahead |
| 2025-03-10 | 97.23 | 95.07 | +1.57 | CI ahead |
| 2025-03-07 | 95.54 | 95.05 | +1.39 | CI ahead |
| 2025-03-06 | 93.94 | 93.50 | +1.39 | CI ahead |
| 2025-03-05 | 92.21 | 92.27 | +1.34 | CI ahead |
| 2025-03-04 | 91.92 | 92.22 | +1.32 | CI ahead |
| 2025-03-03 | 92.71 | 91.81 | +1.49 | CI ahead |
| 2025-02-28 | 91.92 | 92.13 | +1.36 | CI ahead |
| 2025-02-27 | 90.15 | 91.20 | +1.26 | CI ahead |
| 2025-02-26 | 90.88 | 89.64 | +1.57 | CI ahead |
| 2025-02-25 | 93.42 | 93.31 | +1.44 | CI ahead |
| 2025-02-24 | 89.59 | 89.44 | +1.46 | CI ahead |
| 2025-02-21 | 89.23 | 89.40 | +1.43 | CI ahead |
| 2025-02-20 | 89.19 | 90.65 | +1.26 | CI ahead |
| 2025-02-19 | 88.46 | 90.93 | +1.14 | CI ahead |
| 2025-02-18 | 87.72 | 88.79 | +1.33 | CI ahead |
| 2025-02-14 | 87.00 | 90.36 | +1.03 | CI ahead |
| 2025-02-13 | 89.23 | 90.91 | +1.27 | CI ahead |
| 2025-02-12 | 87.11 | 89.53 | +1.18 | CI ahead |
| 2025-02-11 | 87.87 | 90.82 | +1.12 | CI ahead |
| 2025-02-10 | 87.15 | 91.96 | +0.87 | CI ahead |
| 2025-02-07 | 85.33 | 90.87 | +0.76 | CI ahead |
| 2025-02-06 | 85.49 | 90.64 | +0.82 | CI ahead |
| 2025-02-05 | 87.29 | 93.36 | +0.72 | CI ahead |
| 2025-02-04 | 86.74 | 93.32 | +0.66 | CI ahead |
| 2025-02-03 | 87.04 | 94.04 | +0.61 | CI ahead |
| 2025-01-31 | 87.56 | 91.86 | +0.98 | CI ahead |
| 2025-01-30 | 84.22 | 92.70 | +0.40 | near the usual relationship |
| 2025-01-29 | 90.27 | 92.93 | +1.22 | CI ahead |
| 2025-01-28 | 90.13 | 94.11 | +1.05 | CI ahead |
| 2025-01-27 | 90.99 | 95.47 | +1.00 | CI ahead |
| 2025-01-24 | 87.39 | 93.08 | +0.83 | CI ahead |
| 2025-01-23 | 87.79 | 93.17 | +0.88 | CI ahead |
| 2025-01-22 | 86.02 | 90.71 | +0.96 | CI ahead |
| 2025-01-21 | 85.89 | 90.35 | +1.00 | CI ahead |
| 2025-01-17 | 84.52 | 89.44 | +0.94 | CI ahead |
| 2025-01-16 | 83.62 | 89.44 | +0.81 | CI ahead |
| 2025-01-15 | 84.70 | 90.37 | +0.85 | CI ahead |
| 2025-01-14 | 84.83 | 91.27 | +0.75 | CI ahead |
| 2025-01-13 | 84.06 | 92.04 | +0.54 | CI ahead |
| 2025-01-10 | 83.03 | 88.48 | +0.88 | CI ahead |
| 2025-01-08 | 83.13 | 88.97 | +0.83 | CI ahead |
| 2025-01-07 | 83.31 | 88.39 | +0.95 | CI ahead |
| 2025-01-06 | 83.23 | 88.13 | +0.98 | CI ahead |
| 2025-01-03 | 83.54 | 86.25 | +1.30 | CI ahead |
| 2025-01-02 | 81.69 | 84.92 | +1.22 | CI ahead |
| 2024-12-31 | 82.18 | 85.64 | +1.20 | CI ahead |
| 2024-12-30 | 81.89 | 85.61 | +1.17 | CI ahead |
| 2024-12-27 | 82.95 | 86.14 | +1.27 | CI ahead |
| 2024-12-26 | 83.80 | 86.74 | +1.32 | CI ahead |
| 2024-12-24 | 83.35 | 86.58 | +1.29 | CI ahead |
| 2024-12-23 | 83.82 | 86.10 | +1.44 | CI ahead |
| 2024-12-20 | 82.42 | 84.95 | +1.40 | CI ahead |
| 2024-12-19 | 81.79 | 85.08 | +1.30 | CI ahead |
| 2024-12-18 | 84.05 | 85.02 | +1.67 | CI ahead |
| 2024-12-17 | 79.04 | 85.03 | +0.91 | CI ahead |
| 2024-12-16 | 81.33 | 86.66 | +1.03 | CI ahead |
| 2024-12-13 | 83.89 | 88.54 | +1.16 | CI ahead |
| 2024-12-12 | 84.21 | 87.84 | +1.32 | CI ahead |
| 2024-12-11 | 87.51 | 89.50 | +1.58 | CI ahead |
| 2024-12-10 | 92.67 | 90.50 | +2.17 | CI ahead |
| 2024-12-09 | 94.99 | 91.85 | +2.30 | CI ahead |
| 2024-12-06 | 94.59 | 88.71 | +2.70 | CI ahead |
| 2024-12-05 | 96.01 | 91.23 | +2.56 | CI ahead |
| 2024-12-04 | 98.25 | 92.88 | +2.64 | CI ahead |
| 2024-12-03 | 99.67 | 94.73 | +2.60 | CI ahead |
| 2024-12-02 | 100.32 | 95.27 | +2.64 | CI ahead |
| 2024-11-29 | 100.54 | 94.47 | +2.81 | CI ahead |
| 2024-11-27 | 100.15 | 93.50 | +2.95 | CI ahead |
| 2024-11-26 | 99.70 | 93.31 | +2.98 | CI ahead |
| 2024-11-25 | 99.11 | 94.62 | +2.77 | CI ahead |
| 2024-11-22 | 97.75 | 93.45 | +2.80 | CI ahead |
| 2024-11-21 | 98.24 | 93.69 | +2.89 | CI ahead |
| 2024-11-20 | 96.25 | 92.27 | +2.87 | CI ahead |
| 2024-11-19 | 95.98 | 91.51 | +3.01 | CI ahead |
| 2024-11-18 | 95.97 | 93.02 | +2.83 | CI ahead |
| 2024-11-15 | 95.69 | 93.02 | +2.85 | CI ahead |
| 2024-11-14 | 96.39 | 94.49 | +2.78 | CI ahead |
| 2024-11-13 | 98.82 | 95.39 | +3.07 | CI ahead |
| 2024-11-12 | 101.15 | 95.86 | +3.43 | CI ahead |
| 2024-11-11 | 102.10 | 98.75 | +3.20 | CI ahead |
| 2024-11-08 | 95.17 | 98.11 | +2.26 | CI ahead |
| 2024-11-07 | 95.09 | 99.67 | +2.03 | CI ahead |
| 2024-11-06 | 93.82 | 99.57 | +1.85 | CI ahead |
| 2024-11-05 | 94.76 | 96.98 | +2.45 | CI ahead |
| 2024-11-04 | 92.95 | 97.00 | +2.16 | CI ahead |
| 2024-11-01 | 94.19 | 96.11 | +2.55 | CI ahead |
| 2024-10-31 | 93.69 | 94.19 | +2.84 | CI ahead |
| 2024-10-30 | 93.12 | 95.35 | +2.58 | CI ahead |
| 2024-10-29 | 91.74 | 95.31 | +2.36 | CI ahead |
| 2024-10-28 | 93.73 | 96.86 | +2.49 | CI ahead |
| 2024-10-25 | 94.30 | 98.72 | +2.30 | CI ahead |
| 2024-10-24 | 94.71 | 97.28 | +2.67 | CI ahead |
| 2024-10-23 | 94.51 | 96.46 | +2.83 | CI ahead |
| 2024-10-22 | 94.48 | 97.46 | +2.68 | CI ahead |
| 2024-10-21 | 95.31 | 98.02 | +2.79 | CI ahead |
| 2024-10-18 | 100.00 | 100.00 | +3.38 | CI ahead |
One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Jan 30, 2025 (CI -6.7%, ELV -0.2%); May 12, 2025 (CI -5.3%, ELV +3.0%); Jul 2, 2025 (CI -4.2%, ELV -11.5%); Jul 17, 2025 (CI -2.5%, ELV -12.2%); Oct 30, 2025 (CI -17.4%, ELV -4.3%); Jan 27, 2026 (CI -3.7%, ELV -14.3%). Upcoming earnings: CI Nov 5, 2026 (pre-market).
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.
CI and ELV at a glance
CI The Cigna Group
- Listing
- NYSE · SEC CIK 1739940
- Industry
- Medical Specialities · SIC 6324 Hospital & Medical Service Plans
- Market value
- $78.9B
- Price history
- 2,521 daily closes, Oct 12, 2016 to Oct 22, 2026
ELV Elevance Health Inc.
- Listing
- NYSE · SEC CIK 1156039
- Industry
- Medical Specialities · SIC 6324 Hospital & Medical Service Plans
- Market value
- $93.3B
- 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.
Other rivals of CI and ELV
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.
