HCA Healthcare Inc. vs Tenet Healthcare Corporation
WatchlistHCA / THCPrices through Oct 22, 2026
Why these are rivals: #1 and #2 by market value ($98B vs $21B) in Nasdaq's "Hospital/Nursing Management" industry; SEC SIC 8062 / 8062 (same major group); #1 and #2 by market value ($98B vs $21B) with SEC SIC 8062 (Services-General Medical & Surgical Hospitals, 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: -0.44 (needs <= -2.873 (5% critical value))
- Speed: half-life of the spread, sessions: 149.43 (needs <= 63)
Business leadership
HCA is the larger business
Annual revenue reported to the SEC. Scale, not market share.
| Year | HCA | THC | Larger |
|---|---|---|---|
| 2025 | $75.6B | $21.3B | HCA |
| 2024 | $70.6B | $20.7B | HCA |
| 2023 | $65.0B | $20.6B | HCA |
| 2022 | $60.2B | $19.2B | HCA |
| 2021 | $58.8B | $19.5B | HCA |
| 2020 | $51.5B | $17.6B | HCA |
HCA led in every year with figures for both. Market value: HCA $98.5B, THC $21.4B.
Stock leadership
THC is ahead now
Measured against the pair's own last 252 trading days.
THC leads HCA by 1.19 standard deviations: +22.2% over its usual price ratio. 4 lead switches in the last year.
| Price change | 3 mo | 6 mo | 12 mo |
|---|---|---|---|
| HCA | +22.3% | -1.4% | +8.2% |
| THC | +16.1% | +43.7% | +33.7% |
Relationship
Not a measured twin today
Only these tests can make a pair tradable on paper.
- Pass
- Aligned sessions: 2521 (needs >= 254)
- Pass
- Co-movement: daily return correlation, 252 sessions: 0.62 (needs >= 0.60)
- Fail
- Mean reversion: ADF t-statistic of the spread: -0.44 (needs <= -2.873 (5% critical value))
- Fail
- Speed: half-life of the spread, sessions: 149.43 (needs <= 63)
- Data
- Both stocks current
The twins over two years
Prices side by side, and the gap between them
HCA HCA Healthcare Inc. THC Tenet Healthcare CorporationPrice index, 100 = 2024-10-18. Tint = which stock is ahead of the pair's usual 1-year relationship (z beyond +/-0.5).
Spread z-score: HCA relative to THC, against the 252 sessions before each day. Above 0: HCA ahead; below 0: THC ahead. Lines at +/-2 (idea) and +/-4 (stop).
Data table (504 sessions)
| Date | HCA index | THC index | z | Ahead |
|---|---|---|---|---|
| 2026-10-22 | 112.46 | 165.15 | -1.19 | THC ahead |
| 2026-10-21 | 110.55 | 164.23 | -1.26 | THC ahead |
| 2026-10-20 | 112.08 | 166.18 | -1.26 | THC ahead |
| 2026-10-19 | 109.47 | 162.56 | -1.28 | THC ahead |
| 2026-10-16 | 110.42 | 163.09 | -1.26 | THC ahead |
| 2026-10-15 | 112.74 | 167.90 | -1.32 | THC ahead |
| 2026-10-14 | 113.21 | 165.74 | -1.22 | THC ahead |
| 2026-10-13 | 110.88 | 162.88 | -1.25 | THC ahead |
| 2026-10-12 | 110.36 | 164.01 | -1.33 | THC ahead |
| 2026-10-09 | 108.56 | 160.97 | -1.33 | THC ahead |
| 2026-10-08 | 107.09 | 159.01 | -1.35 | THC ahead |
| 2026-10-07 | 105.69 | 158.56 | -1.42 | THC ahead |
| 2026-10-06 | 104.01 | 157.73 | -1.50 | THC ahead |
| 2026-10-05 | 104.66 | 158.34 | -1.50 | THC ahead |
| 2026-10-02 | 102.68 | 157.82 | -1.61 | THC ahead |
| 2026-10-01 | 101.89 | 154.98 | -1.56 | THC ahead |
| 2026-09-30 | 102.70 | 155.95 | -1.56 | THC ahead |
| 2026-09-29 | 103.87 | 157.20 | -1.55 | THC ahead |
| 2026-09-28 | 104.11 | 157.40 | -1.56 | THC ahead |
| 2026-09-25 | 104.83 | 158.49 | -1.57 | THC ahead |
| 2026-09-24 | 101.91 | 152.28 | -1.51 | THC ahead |
| 2026-09-23 | 105.04 | 156.49 | -1.50 | THC ahead |
| 2026-09-22 | 105.43 | 159.92 | -1.63 | THC ahead |
| 2026-09-21 | 102.51 | 159.25 | -1.81 | THC ahead |
| 2026-09-18 | 102.93 | 159.88 | -1.83 | THC ahead |
| 2026-09-17 | 103.25 | 159.82 | -1.82 | THC ahead |
| 2026-09-16 | 103.58 | 162.19 | -1.92 | THC ahead |
| 2026-09-15 | 101.99 | 159.18 | -1.92 | THC ahead |
| 2026-09-14 | 102.39 | 161.41 | -2.01 | THC ahead |
| 2026-09-11 | 102.74 | 160.91 | -1.98 | THC ahead |
| 2026-09-10 | 101.36 | 160.77 | -2.10 | THC ahead |
| 2026-09-09 | 101.51 | 164.20 | -2.26 | THC ahead |
| 2026-09-08 | 96.75 | 158.09 | -2.37 | THC ahead |
| 2026-09-04 | 97.46 | 161.74 | -2.51 | THC ahead |
| 2026-09-03 | 98.47 | 160.79 | -2.44 | THC ahead |
| 2026-09-02 | 96.76 | 157.77 | -2.47 | THC ahead |
| 2026-09-01 | 99.53 | 162.23 | -2.50 | THC ahead |
| 2026-08-31 | 99.74 | 162.27 | -2.53 | THC ahead |
| 2026-08-28 | 100.55 | 162.81 | -2.54 | THC ahead |
| 2026-08-27 | 100.91 | 163.39 | -2.58 | THC ahead |
| 2026-08-26 | 102.80 | 167.32 | -2.67 | THC ahead |
| 2026-08-25 | 103.18 | 165.91 | -2.62 | THC ahead |
| 2026-08-24 | 103.30 | 170.01 | -2.86 | THC ahead |
| 2026-08-21 | 103.28 | 171.34 | -2.99 | THC ahead |
| 2026-08-20 | 97.77 | 166.35 | -3.27 | THC ahead |
| 2026-08-19 | 97.96 | 163.86 | -3.21 | THC ahead |
| 2026-08-18 | 99.08 | 164.89 | -3.25 | THC ahead |
| 2026-08-17 | 97.46 | 161.45 | -3.29 | THC ahead |
| 2026-08-14 | 97.39 | 163.48 | -3.50 | THC ahead |
| 2026-08-13 | 99.09 | 162.96 | -3.41 | THC ahead |
| 2026-08-12 | 99.77 | 162.81 | -3.43 | THC ahead |
| 2026-08-11 | 99.01 | 158.33 | -3.32 | THC ahead |
| 2026-08-10 | 99.64 | 158.62 | -3.36 | THC ahead |
| 2026-08-07 | 99.48 | 159.96 | -3.56 | THC ahead |
| 2026-08-06 | 98.40 | 156.61 | -3.56 | THC ahead |
| 2026-08-05 | 98.58 | 159.72 | -3.87 | THC ahead |
| 2026-08-04 | 96.44 | 154.59 | -3.88 | THC ahead |
| 2026-08-03 | 97.85 | 152.55 | -3.68 | THC ahead |
| 2026-07-31 | 96.88 | 155.48 | -4.16 | THC ahead |
| 2026-07-30 | 95.25 | 154.23 | -4.44 | THC ahead |
| 2026-07-29 | 98.23 | 157.21 | -4.48 | THC ahead |
| 2026-07-28 | 100.64 | 160.27 | -4.62 | THC ahead |
| 2026-07-27 | 93.76 | 148.51 | -4.77 | THC ahead |
| 2026-07-24 | 91.97 | 142.31 | -4.65 | THC ahead |
| 2026-07-23 | 90.60 | 121.45 | -2.67 | THC ahead |
| 2026-07-22 | 89.49 | 119.21 | -2.61 | THC ahead |
| 2026-07-21 | 89.78 | 119.91 | -2.68 | THC ahead |
| 2026-07-20 | 89.14 | 118.62 | -2.66 | THC ahead |
| 2026-07-17 | 89.32 | 118.94 | -2.70 | THC ahead |
| 2026-07-16 | 92.83 | 121.56 | -2.48 | THC ahead |
| 2026-07-15 | 91.17 | 117.37 | -2.25 | THC ahead |
| 2026-07-14 | 87.50 | 112.09 | -2.19 | THC ahead |
| 2026-07-13 | 94.03 | 118.88 | -2.01 | THC ahead |
| 2026-07-10 | 97.85 | 124.64 | -2.15 | THC ahead |
| 2026-07-09 | 98.43 | 126.18 | -2.28 | THC ahead |
| 2026-07-08 | 98.81 | 125.87 | -2.20 | THC ahead |
| 2026-07-07 | 101.82 | 127.43 | -1.94 | THC ahead |
| 2026-07-06 | 100.37 | 125.83 | -1.99 | THC ahead |
| 2026-07-02 | 98.79 | 124.32 | -2.07 | THC ahead |
| 2026-07-01 | 94.63 | 116.68 | -1.75 | THC ahead |
| 2026-06-30 | 93.83 | 114.16 | -1.54 | THC ahead |
| 2026-06-29 | 94.41 | 114.22 | -1.45 | THC ahead |
| 2026-06-26 | 94.26 | 115.34 | -1.65 | THC ahead |
| 2026-06-25 | 93.12 | 112.25 | -1.41 | THC ahead |
| 2026-06-24 | 93.31 | 111.65 | -1.30 | THC ahead |
| 2026-06-23 | 93.11 | 110.38 | -1.15 | THC ahead |
| 2026-06-22 | 90.72 | 109.08 | -1.40 | THC ahead |
| 2026-06-18 | 90.28 | 105.31 | -0.89 | THC ahead |
| 2026-06-17 | 93.41 | 108.93 | -0.89 | THC ahead |
| 2026-06-16 | 95.52 | 112.02 | -0.99 | THC ahead |
| 2026-06-15 | 93.85 | 109.30 | -0.88 | THC ahead |
| 2026-06-12 | 93.18 | 106.58 | -0.58 | THC ahead |
| 2026-06-11 | 91.09 | 105.68 | -0.82 | THC ahead |
| 2026-06-10 | 89.84 | 100.55 | -0.21 | near the usual relationship |
| 2026-06-09 | 90.22 | 101.52 | -0.30 | near the usual relationship |
| 2026-06-08 | 86.95 | 99.48 | -0.58 | THC ahead |
| 2026-06-05 | 89.55 | 98.90 | +0.01 | near the usual relationship |
| 2026-06-04 | 87.07 | 98.47 | -0.39 | near the usual relationship |
| 2026-06-03 | 87.41 | 100.59 | -0.68 | THC ahead |
| 2026-06-02 | 88.40 | 99.84 | -0.37 | near the usual relationship |
| 2026-06-01 | 89.27 | 103.80 | -0.86 | THC ahead |
| 2026-05-29 | 91.10 | 106.99 | -1.04 | THC ahead |
| 2026-05-28 | 92.50 | 105.69 | -0.57 | THC ahead |
| 2026-05-27 | 94.37 | 110.49 | -0.99 | THC ahead |
| 2026-05-26 | 94.44 | 107.63 | -0.54 | THC ahead |
| 2026-05-22 | 94.83 | 106.05 | -0.22 | near the usual relationship |
| 2026-05-21 | 94.47 | 108.62 | -0.69 | THC ahead |
| 2026-05-20 | 95.46 | 114.37 | -1.40 | THC ahead |
| 2026-05-19 | 97.39 | 116.80 | -1.43 | THC ahead |
| 2026-05-18 | 101.74 | 117.44 | -0.78 | THC ahead |
| 2026-05-15 | 101.80 | 120.01 | -1.15 | THC ahead |
| 2026-05-14 | 104.13 | 121.16 | -0.93 | THC ahead |
| 2026-05-13 | 102.89 | 119.52 | -0.91 | THC ahead |
| 2026-05-12 | 103.41 | 119.53 | -0.83 | THC ahead |
| 2026-05-11 | 102.61 | 116.97 | -0.60 | THC ahead |
| 2026-05-08 | 104.73 | 116.18 | -0.13 | near the usual relationship |
| 2026-05-07 | 103.24 | 118.47 | -0.72 | THC ahead |
| 2026-05-06 | 103.35 | 118.70 | -0.74 | THC ahead |
| 2026-05-05 | 103.19 | 114.06 | -0.08 | near the usual relationship |
| 2026-05-04 | 102.80 | 113.11 | +0.00 | near the usual relationship |
| 2026-05-01 | 104.22 | 111.84 | +0.43 | near the usual relationship |
| 2026-04-30 | 104.55 | 108.09 | +1.07 | HCA ahead |
| 2026-04-29 | 104.63 | 109.90 | +0.78 | HCA ahead |
| 2026-04-28 | 103.94 | 108.32 | +0.89 | HCA ahead |
| 2026-04-27 | 107.27 | 113.22 | +0.66 | HCA ahead |
| 2026-04-24 | 104.07 | 110.34 | +0.57 | HCA ahead |
| 2026-04-23 | 114.08 | 114.93 | +1.36 | HCA ahead |
| 2026-04-22 | 113.43 | 116.69 | +1.00 | HCA ahead |
| 2026-04-21 | 113.39 | 113.18 | +1.45 | HCA ahead |
| 2026-04-20 | 115.06 | 116.71 | +1.18 | HCA ahead |
| 2026-04-17 | 117.44 | 120.00 | +1.05 | HCA ahead |
| 2026-04-16 | 116.23 | 117.17 | +1.24 | HCA ahead |
| 2026-04-15 | 117.58 | 118.12 | +1.28 | HCA ahead |
| 2026-04-14 | 120.00 | 119.97 | +1.34 | HCA ahead |
| 2026-04-13 | 119.70 | 117.77 | +1.58 | HCA ahead |
| 2026-04-10 | 119.24 | 119.14 | +1.33 | HCA ahead |
| 2026-04-09 | 122.06 | 123.19 | +1.17 | HCA ahead |
| 2026-04-08 | 121.56 | 121.65 | +1.27 | HCA ahead |
| 2026-04-07 | 117.82 | 118.75 | +1.16 | HCA ahead |
| 2026-04-06 | 116.46 | 116.12 | +1.32 | HCA ahead |
| 2026-04-02 | 113.55 | 114.83 | +1.11 | HCA ahead |
| 2026-04-01 | 114.25 | 116.11 | +1.04 | HCA ahead |
| 2026-03-31 | 113.89 | 115.16 | +1.11 | HCA ahead |
| 2026-03-30 | 112.58 | 114.73 | +0.99 | HCA ahead |
| 2026-03-27 | 113.55 | 117.08 | +0.82 | HCA ahead |
| 2026-03-26 | 115.59 | 119.28 | +0.81 | HCA ahead |
| 2026-03-25 | 116.48 | 122.07 | +0.58 | HCA ahead |
| 2026-03-24 | 116.89 | 121.82 | +0.65 | HCA ahead |
| 2026-03-23 | 119.02 | 124.13 | +0.63 | HCA ahead |
| 2026-03-20 | 118.85 | 122.26 | +0.82 | HCA ahead |
| 2026-03-19 | 120.24 | 125.17 | +0.65 | HCA ahead |
| 2026-03-18 | 120.82 | 124.01 | +0.84 | HCA ahead |
| 2026-03-17 | 122.70 | 129.15 | +0.48 | near the usual relationship |
| 2026-03-16 | 126.39 | 133.83 | +0.39 | near the usual relationship |
| 2026-03-13 | 128.26 | 138.91 | +0.08 | near the usual relationship |
| 2026-03-12 | 128.17 | 137.14 | +0.24 | near the usual relationship |
| 2026-03-11 | 129.30 | 143.15 | -0.23 | near the usual relationship |
| 2026-03-10 | 129.38 | 144.88 | -0.39 | near the usual relationship |
| 2026-03-09 | 131.19 | 146.82 | -0.38 | near the usual relationship |
| 2026-03-06 | 128.22 | 144.60 | -0.49 | near the usual relationship |
| 2026-03-05 | 128.62 | 147.31 | -0.70 | THC ahead |
| 2026-03-04 | 131.01 | 149.39 | -0.65 | THC ahead |
| 2026-03-03 | 130.38 | 148.22 | -0.61 | THC ahead |
| 2026-03-02 | 128.25 | 143.48 | -0.41 | near the usual relationship |
| 2026-02-27 | 127.47 | 146.09 | -0.73 | THC ahead |
| 2026-02-26 | 126.55 | 146.26 | -0.85 | THC ahead |
| 2026-02-25 | 130.09 | 144.65 | -0.34 | near the usual relationship |
| 2026-02-24 | 126.71 | 144.98 | -0.73 | THC ahead |
| 2026-02-23 | 128.98 | 142.66 | -0.28 | near the usual relationship |
| 2026-02-20 | 128.10 | 140.29 | -0.15 | near the usual relationship |
| 2026-02-19 | 127.22 | 139.18 | -0.13 | near the usual relationship |
| 2026-02-18 | 128.75 | 141.42 | -0.19 | near the usual relationship |
| 2026-02-17 | 128.70 | 142.95 | -0.34 | near the usual relationship |
| 2026-02-13 | 130.02 | 141.03 | -0.02 | near the usual relationship |
| 2026-02-12 | 128.80 | 141.73 | -0.22 | near the usual relationship |
| 2026-02-11 | 127.90 | 138.13 | +0.03 | near the usual relationship |
| 2026-02-10 | 120.82 | 117.80 | +1.40 | HCA ahead |
| 2026-02-09 | 119.73 | 117.75 | +1.30 | HCA ahead |
| 2026-02-06 | 120.73 | 122.88 | +0.84 | HCA ahead |
| 2026-02-05 | 123.64 | 119.59 | +1.54 | HCA ahead |
| 2026-02-04 | 118.79 | 116.35 | +1.38 | HCA ahead |
| 2026-02-03 | 120.14 | 117.68 | +1.39 | HCA ahead |
| 2026-02-02 | 119.57 | 114.74 | +1.69 | HCA ahead |
| 2026-01-30 | 117.50 | 115.51 | +1.37 | HCA ahead |
| 2026-01-29 | 116.12 | 115.63 | +1.20 | HCA ahead |
| 2026-01-28 | 118.21 | 115.69 | +1.45 | HCA ahead |
| 2026-01-27 | 121.73 | 115.43 | +1.91 | HCA ahead |
| 2026-01-26 | 113.68 | 115.90 | +0.90 | HCA ahead |
| 2026-01-23 | 113.32 | 115.20 | +0.95 | HCA ahead |
| 2026-01-22 | 112.23 | 115.61 | +0.77 | HCA ahead |
| 2026-01-21 | 112.01 | 116.45 | +0.64 | HCA ahead |
| 2026-01-20 | 111.75 | 117.93 | +0.43 | near the usual relationship |
| 2026-01-16 | 112.93 | 120.06 | +0.33 | near the usual relationship |
| 2026-01-15 | 116.43 | 122.85 | +0.44 | near the usual relationship |
| 2026-01-14 | 115.23 | 119.11 | +0.73 | HCA ahead |
| 2026-01-13 | 115.35 | 121.55 | +0.46 | near the usual relationship |
| 2026-01-12 | 114.15 | 121.81 | +0.28 | near the usual relationship |
| 2026-01-09 | 113.60 | 122.78 | +0.10 | near the usual relationship |
| 2026-01-08 | 115.28 | 124.09 | +0.16 | near the usual relationship |
| 2026-01-07 | 113.26 | 123.27 | +0.00 | near the usual relationship |
| 2026-01-06 | 116.38 | 127.08 | -0.04 | near the usual relationship |
| 2026-01-05 | 114.99 | 126.33 | -0.13 | near the usual relationship |
| 2026-01-02 | 113.20 | 121.71 | +0.17 | near the usual relationship |
| 2025-12-31 | 112.35 | 121.27 | +0.11 | near the usual relationship |
| 2025-12-30 | 113.89 | 122.84 | +0.12 | near the usual relationship |
| 2025-12-29 | 114.07 | 122.74 | +0.16 | near the usual relationship |
| 2025-12-26 | 114.82 | 122.41 | +0.29 | near the usual relationship |
| 2025-12-24 | 114.08 | 120.69 | +0.40 | near the usual relationship |
| 2025-12-23 | 114.08 | 121.29 | +0.33 | near the usual relationship |
| 2025-12-22 | 113.59 | 121.97 | +0.19 | near the usual relationship |
| 2025-12-19 | 113.82 | 119.81 | +0.47 | near the usual relationship |
| 2025-12-18 | 112.28 | 118.61 | +0.42 | near the usual relationship |
| 2025-12-17 | 113.55 | 119.01 | +0.54 | HCA ahead |
| 2025-12-16 | 113.06 | 120.14 | +0.34 | near the usual relationship |
| 2025-12-15 | 114.79 | 120.41 | +0.53 | HCA ahead |
| 2025-12-12 | 116.66 | 121.68 | +0.61 | HCA ahead |
| 2025-12-11 | 116.08 | 120.65 | +0.67 | HCA ahead |
| 2025-12-10 | 112.80 | 120.50 | +0.28 | near the usual relationship |
| 2025-12-09 | 117.56 | 123.27 | +0.55 | HCA ahead |
| 2025-12-08 | 116.75 | 125.90 | +0.16 | near the usual relationship |
| 2025-12-05 | 117.12 | 128.15 | -0.05 | near the usual relationship |
| 2025-12-04 | 117.36 | 129.46 | -0.16 | near the usual relationship |
| 2025-12-03 | 117.14 | 128.97 | -0.13 | near the usual relationship |
| 2025-12-02 | 120.40 | 131.10 | +0.02 | near the usual relationship |
| 2025-12-01 | 121.05 | 131.28 | +0.08 | near the usual relationship |
| 2025-11-28 | 122.32 | 132.32 | +0.12 | near the usual relationship |
| 2025-11-26 | 123.88 | 132.68 | +0.26 | near the usual relationship |
| 2025-11-25 | 124.14 | 133.31 | +0.22 | near the usual relationship |
| 2025-11-24 | 120.58 | 130.97 | +0.07 | near the usual relationship |
| 2025-11-21 | 118.16 | 117.14 | +1.36 | HCA ahead |
| 2025-11-20 | 114.62 | 113.92 | +1.33 | HCA ahead |
| 2025-11-19 | 115.77 | 118.54 | +0.92 | HCA ahead |
| 2025-11-18 | 115.06 | 117.78 | +0.93 | HCA ahead |
| 2025-11-17 | 114.81 | 117.41 | +0.96 | HCA ahead |
| 2025-11-14 | 113.74 | 117.72 | +0.79 | HCA ahead |
| 2025-11-13 | 113.90 | 120.01 | +0.55 | HCA ahead |
| 2025-11-12 | 113.97 | 122.04 | +0.33 | near the usual relationship |
| 2025-11-11 | 111.26 | 121.02 | +0.11 | near the usual relationship |
| 2025-11-10 | 110.53 | 118.80 | +0.28 | near the usual relationship |
| 2025-11-07 | 114.70 | 125.26 | +0.07 | near the usual relationship |
| 2025-11-06 | 113.43 | 124.60 | -0.01 | near the usual relationship |
| 2025-11-05 | 113.88 | 127.31 | -0.26 | near the usual relationship |
| 2025-11-04 | 113.51 | 126.77 | -0.24 | near the usual relationship |
| 2025-11-03 | 111.07 | 122.90 | -0.12 | near the usual relationship |
| 2025-10-31 | 110.62 | 126.01 | -0.52 | THC ahead |
| 2025-10-30 | 112.34 | 127.31 | -0.45 | near the usual relationship |
| 2025-10-29 | 112.72 | 127.63 | -0.45 | near the usual relationship |
| 2025-10-28 | 112.25 | 124.87 | -0.21 | near the usual relationship |
| 2025-10-27 | 112.59 | 131.92 | -0.93 | THC ahead |
| 2025-10-24 | 107.58 | 128.38 | -1.19 | THC ahead |
| 2025-10-23 | 105.92 | 126.26 | -1.18 | THC ahead |
| 2025-10-22 | 106.17 | 125.17 | -1.04 | THC ahead |
| 2025-10-21 | 103.96 | 123.48 | -1.15 | THC ahead |
| 2025-10-20 | 104.24 | 123.34 | -1.10 | THC ahead |
| 2025-10-17 | 102.56 | 122.05 | -1.19 | THC ahead |
| 2025-10-16 | 100.98 | 121.52 | -1.35 | THC ahead |
| 2025-10-15 | 101.13 | 121.58 | -1.35 | THC ahead |
| 2025-10-14 | 100.69 | 119.81 | -1.22 | THC ahead |
| 2025-10-13 | 98.83 | 115.95 | -1.04 | THC ahead |
| 2025-10-10 | 99.90 | 115.69 | -0.87 | THC ahead |
| 2025-10-09 | 100.80 | 118.91 | -1.13 | THC ahead |
| 2025-10-08 | 102.58 | 122.34 | -1.29 | THC ahead |
| 2025-10-07 | 105.30 | 125.00 | -1.23 | THC ahead |
| 2025-10-06 | 104.33 | 121.90 | -1.03 | THC ahead |
| 2025-10-03 | 103.37 | 123.88 | -1.38 | THC ahead |
| 2025-10-02 | 102.68 | 124.11 | -1.52 | THC ahead |
| 2025-10-01 | 102.53 | 122.87 | -1.41 | THC ahead |
| 2025-09-30 | 102.57 | 123.90 | -1.54 | THC ahead |
| 2025-09-29 | 101.29 | 122.78 | -1.60 | THC ahead |
| 2025-09-26 | 100.85 | 123.27 | -1.73 | THC ahead |
| 2025-09-25 | 99.84 | 120.05 | -1.52 | THC ahead |
| 2025-09-24 | 100.26 | 119.99 | -1.46 | THC ahead |
| 2025-09-23 | 98.53 | 117.83 | -1.47 | THC ahead |
| 2025-09-22 | 98.00 | 118.42 | -1.63 | THC ahead |
| 2025-09-19 | 96.81 | 116.03 | -1.53 | THC ahead |
| 2025-09-18 | 96.52 | 116.12 | -1.60 | THC ahead |
| 2025-09-17 | 96.11 | 111.96 | -1.14 | THC ahead |
| 2025-09-16 | 96.20 | 111.56 | -1.09 | THC ahead |
| 2025-09-15 | 97.02 | 113.96 | -1.28 | THC ahead |
| 2025-09-12 | 97.49 | 117.67 | -1.69 | THC ahead |
| 2025-09-11 | 96.95 | 118.01 | -1.83 | THC ahead |
| 2025-09-10 | 94.90 | 117.03 | -2.05 | THC ahead |
| 2025-09-09 | 99.49 | 119.84 | -1.72 | THC ahead |
| 2025-09-08 | 100.62 | 117.45 | -1.27 | THC ahead |
| 2025-09-05 | 101.26 | 119.72 | -1.47 | THC ahead |
| 2025-09-04 | 99.05 | 117.48 | -1.53 | THC ahead |
| 2025-09-03 | 98.09 | 114.06 | -1.25 | THC ahead |
| 2025-09-02 | 97.74 | 113.11 | -1.18 | THC ahead |
| 2025-08-29 | 97.21 | 112.49 | -1.19 | THC ahead |
| 2025-08-28 | 98.01 | 112.61 | -1.09 | THC ahead |
| 2025-08-27 | 97.48 | 111.03 | -0.97 | THC ahead |
| 2025-08-26 | 96.73 | 109.87 | -0.93 | THC ahead |
| 2025-08-25 | 96.93 | 109.98 | -0.92 | THC ahead |
| 2025-08-22 | 97.46 | 109.54 | -0.78 | THC ahead |
| 2025-08-21 | 97.29 | 108.25 | -0.63 | THC ahead |
| 2025-08-20 | 98.71 | 111.03 | -0.80 | THC ahead |
| 2025-08-19 | 96.91 | 108.64 | -0.75 | THC ahead |
| 2025-08-18 | 94.72 | 104.55 | -0.52 | THC ahead |
| 2025-08-15 | 95.25 | 104.97 | -0.50 | THC ahead |
| 2025-08-14 | 94.73 | 105.18 | -0.62 | THC ahead |
| 2025-08-13 | 93.96 | 104.88 | -0.70 | THC ahead |
| 2025-08-12 | 93.93 | 104.03 | -0.59 | THC ahead |
| 2025-08-11 | 92.15 | 101.68 | -0.53 | THC ahead |
| 2025-08-08 | 91.83 | 101.04 | -0.49 | near the usual relationship |
| 2025-08-07 | 89.84 | 99.73 | -0.63 | THC ahead |
| 2025-08-06 | 88.11 | 97.19 | -0.54 | THC ahead |
| 2025-08-05 | 87.55 | 97.82 | -0.74 | THC ahead |
| 2025-08-04 | 87.40 | 98.29 | -0.84 | THC ahead |
| 2025-08-01 | 85.91 | 96.47 | -0.83 | THC ahead |
| 2025-07-31 | 85.19 | 98.42 | -1.27 | THC ahead |
| 2025-07-30 | 85.45 | 98.18 | -1.19 | THC ahead |
| 2025-07-29 | 82.90 | 95.23 | -1.20 | THC ahead |
| 2025-07-28 | 81.95 | 95.51 | -1.43 | THC ahead |
| 2025-07-25 | 80.45 | 93.38 | -1.38 | THC ahead |
| 2025-07-24 | 82.18 | 90.55 | -0.57 | THC ahead |
| 2025-07-23 | 85.01 | 96.61 | -1.06 | THC ahead |
| 2025-07-22 | 84.46 | 95.18 | -0.94 | THC ahead |
| 2025-07-21 | 87.73 | 106.58 | -2.14 | THC ahead |
| 2025-07-18 | 86.90 | 106.83 | -2.36 | THC ahead |
| 2025-07-17 | 87.26 | 106.88 | -2.33 | THC ahead |
| 2025-07-16 | 87.26 | 105.81 | -2.20 | THC ahead |
| 2025-07-15 | 89.47 | 105.44 | -1.76 | THC ahead |
| 2025-07-14 | 91.56 | 108.46 | -1.86 | THC ahead |
| 2025-07-11 | 90.50 | 107.25 | -1.89 | THC ahead |
| 2025-07-10 | 91.04 | 105.97 | -1.61 | THC ahead |
| 2025-07-09 | 91.07 | 104.60 | -1.40 | THC ahead |
| 2025-07-08 | 90.87 | 105.20 | -1.54 | THC ahead |
| 2025-07-07 | 91.20 | 105.63 | -1.56 | THC ahead |
| 2025-07-03 | 90.62 | 104.66 | -1.53 | THC ahead |
| 2025-07-02 | 90.98 | 105.10 | -1.54 | THC ahead |
| 2025-07-01 | 93.74 | 108.27 | -1.56 | THC ahead |
| 2025-06-30 | 92.19 | 107.40 | -1.72 | THC ahead |
| 2025-06-27 | 91.28 | 105.96 | -1.68 | THC ahead |
| 2025-06-26 | 90.88 | 105.30 | -1.66 | THC ahead |
| 2025-06-25 | 90.05 | 103.14 | -1.47 | THC ahead |
| 2025-06-24 | 91.21 | 104.67 | -1.52 | THC ahead |
| 2025-06-23 | 91.14 | 103.20 | -1.30 | THC ahead |
| 2025-06-20 | 90.85 | 102.53 | -1.25 | THC ahead |
| 2025-06-18 | 90.69 | 102.26 | -1.25 | THC ahead |
| 2025-06-17 | 89.63 | 102.19 | -1.45 | THC ahead |
| 2025-06-16 | 88.70 | 100.23 | -1.30 | THC ahead |
| 2025-06-13 | 89.32 | 100.31 | -1.20 | THC ahead |
| 2025-06-12 | 89.44 | 101.02 | -1.32 | THC ahead |
| 2025-06-11 | 88.46 | 98.50 | -1.07 | THC ahead |
| 2025-06-10 | 87.82 | 95.54 | -0.66 | THC ahead |
| 2025-06-09 | 89.77 | 101.42 | -1.35 | THC ahead |
| 2025-06-06 | 92.49 | 104.63 | -1.38 | THC ahead |
| 2025-06-05 | 91.81 | 104.86 | -1.57 | THC ahead |
| 2025-06-04 | 91.85 | 103.67 | -1.37 | THC ahead |
| 2025-06-03 | 92.18 | 104.86 | -1.52 | THC ahead |
| 2025-06-02 | 91.97 | 103.81 | -1.40 | THC ahead |
| 2025-05-30 | 91.78 | 102.99 | -1.30 | THC ahead |
| 2025-05-29 | 91.12 | 101.46 | -1.16 | THC ahead |
| 2025-05-28 | 91.07 | 100.49 | -1.00 | THC ahead |
| 2025-05-27 | 91.16 | 100.75 | -1.04 | THC ahead |
| 2025-05-23 | 90.63 | 99.46 | -0.92 | THC ahead |
| 2025-05-22 | 90.64 | 98.45 | -0.73 | THC ahead |
| 2025-05-21 | 91.88 | 99.37 | -0.66 | THC ahead |
| 2025-05-20 | 92.90 | 102.92 | -1.11 | THC ahead |
| 2025-05-19 | 93.11 | 102.08 | -0.92 | THC ahead |
| 2025-05-16 | 93.26 | 100.98 | -0.70 | THC ahead |
| 2025-05-15 | 92.77 | 100.10 | -0.64 | THC ahead |
| 2025-05-14 | 88.44 | 97.38 | -1.02 | THC ahead |
| 2025-05-13 | 88.58 | 96.23 | -0.78 | THC ahead |
| 2025-05-12 | 87.42 | 94.32 | -0.66 | THC ahead |
| 2025-05-09 | 85.12 | 90.82 | -0.46 | near the usual relationship |
| 2025-05-08 | 85.17 | 90.96 | -0.48 | near the usual relationship |
| 2025-05-07 | 86.87 | 92.95 | -0.52 | THC ahead |
| 2025-05-06 | 85.84 | 92.44 | -0.64 | THC ahead |
| 2025-05-05 | 84.08 | 90.94 | -0.73 | THC ahead |
| 2025-05-02 | 83.74 | 90.33 | -0.68 | THC ahead |
| 2025-05-01 | 82.55 | 88.66 | -0.60 | THC ahead |
| 2025-04-30 | 83.04 | 87.23 | -0.22 | near the usual relationship |
| 2025-04-29 | 81.96 | 84.43 | +0.08 | near the usual relationship |
| 2025-04-28 | 79.90 | 75.61 | +1.39 | HCA ahead |
| 2025-04-25 | 78.91 | 74.51 | +1.36 | HCA ahead |
| 2025-04-24 | 82.16 | 75.82 | +1.65 | HCA ahead |
| 2025-04-23 | 80.85 | 73.87 | +1.73 | HCA ahead |
| 2025-04-22 | 78.12 | 69.98 | +1.96 | HCA ahead |
| 2025-04-21 | 76.43 | 67.38 | +2.13 | HCA ahead |
| 2025-04-17 | 80.62 | 74.33 | +1.48 | HCA ahead |
| 2025-04-16 | 79.66 | 73.50 | +1.43 | HCA ahead |
| 2025-04-15 | 80.75 | 73.78 | +1.52 | HCA ahead |
| 2025-04-14 | 81.97 | 76.23 | +1.27 | HCA ahead |
| 2025-04-11 | 80.23 | 75.54 | +1.08 | HCA ahead |
| 2025-04-10 | 80.62 | 77.82 | +0.75 | HCA ahead |
| 2025-04-09 | 81.47 | 79.98 | +0.52 | HCA ahead |
| 2025-04-08 | 79.94 | 72.93 | +1.36 | HCA ahead |
| 2025-04-07 | 79.33 | 73.06 | +1.23 | HCA ahead |
| 2025-04-04 | 79.81 | 73.44 | +1.21 | HCA ahead |
| 2025-04-03 | 84.02 | 81.08 | +0.66 | HCA ahead |
| 2025-04-02 | 83.51 | 83.71 | +0.22 | near the usual relationship |
| 2025-04-01 | 83.20 | 81.41 | +0.47 | near the usual relationship |
| 2025-03-31 | 83.16 | 82.08 | +0.36 | near the usual relationship |
| 2025-03-28 | 82.34 | 81.25 | +0.35 | near the usual relationship |
| 2025-03-27 | 82.38 | 82.04 | +0.24 | near the usual relationship |
| 2025-03-26 | 81.17 | 81.19 | +0.18 | near the usual relationship |
| 2025-03-25 | 80.97 | 79.81 | +0.32 | near the usual relationship |
| 2025-03-24 | 80.34 | 79.02 | +0.33 | near the usual relationship |
| 2025-03-21 | 79.12 | 75.18 | +0.66 | HCA ahead |
| 2025-03-20 | 80.26 | 77.10 | +0.54 | HCA ahead |
| 2025-03-19 | 80.42 | 77.96 | +0.43 | near the usual relationship |
| 2025-03-18 | 79.45 | 76.48 | +0.49 | near the usual relationship |
| 2025-03-17 | 79.04 | 78.11 | +0.23 | near the usual relationship |
| 2025-03-14 | 76.86 | 74.86 | +0.35 | near the usual relationship |
| 2025-03-13 | 75.75 | 72.93 | +0.44 | near the usual relationship |
| 2025-03-12 | 75.29 | 73.96 | +0.25 | near the usual relationship |
| 2025-03-11 | 77.86 | 77.15 | +0.16 | near the usual relationship |
| 2025-03-10 | 80.90 | 76.98 | +0.51 | HCA ahead |
| 2025-03-07 | 79.45 | 77.80 | +0.24 | near the usual relationship |
| 2025-03-06 | 77.43 | 76.55 | +0.15 | near the usual relationship |
| 2025-03-05 | 76.92 | 76.90 | +0.04 | near the usual relationship |
| 2025-03-04 | 75.10 | 74.86 | +0.06 | near the usual relationship |
| 2025-03-03 | 74.91 | 76.01 | -0.10 | near the usual relationship |
| 2025-02-28 | 73.71 | 77.25 | -0.38 | near the usual relationship |
| 2025-02-27 | 77.23 | 79.62 | -0.25 | near the usual relationship |
| 2025-02-26 | 76.99 | 80.40 | -0.36 | near the usual relationship |
| 2025-02-25 | 80.15 | 82.12 | -0.22 | near the usual relationship |
| 2025-02-24 | 76.90 | 80.28 | -0.37 | near the usual relationship |
| 2025-02-21 | 76.15 | 79.09 | -0.34 | near the usual relationship |
| 2025-02-20 | 77.37 | 83.75 | -0.67 | THC ahead |
| 2025-02-19 | 77.14 | 82.78 | -0.61 | THC ahead |
| 2025-02-18 | 76.22 | 82.33 | -0.66 | THC ahead |
| 2025-02-14 | 76.10 | 81.35 | -0.59 | THC ahead |
| 2025-02-13 | 77.47 | 81.51 | -0.48 | near the usual relationship |
| 2025-02-12 | 75.17 | 77.01 | -0.28 | near the usual relationship |
| 2025-02-11 | 77.91 | 84.72 | -0.73 | THC ahead |
| 2025-02-10 | 76.59 | 85.10 | -0.89 | THC ahead |
| 2025-02-07 | 77.50 | 85.72 | -0.86 | THC ahead |
| 2025-02-06 | 78.10 | 85.31 | -0.78 | THC ahead |
| 2025-02-05 | 81.06 | 88.47 | -0.78 | THC ahead |
| 2025-02-04 | 80.57 | 87.70 | -0.77 | THC ahead |
| 2025-02-03 | 80.45 | 88.27 | -0.83 | THC ahead |
| 2025-01-31 | 79.39 | 85.98 | -0.74 | THC ahead |
| 2025-01-30 | 80.52 | 87.40 | -0.76 | THC ahead |
| 2025-01-29 | 78.84 | 85.05 | -0.73 | THC ahead |
| 2025-01-28 | 79.10 | 85.23 | -0.72 | THC ahead |
| 2025-01-27 | 79.90 | 84.76 | -0.63 | THC ahead |
| 2025-01-24 | 75.34 | 82.74 | -0.86 | THC ahead |
| 2025-01-23 | 78.30 | 84.39 | -0.74 | THC ahead |
| 2025-01-22 | 76.89 | 82.03 | -0.68 | THC ahead |
| 2025-01-21 | 76.64 | 82.03 | -0.71 | THC ahead |
| 2025-01-17 | 74.71 | 79.86 | -0.71 | THC ahead |
| 2025-01-16 | 74.47 | 81.02 | -0.83 | THC ahead |
| 2025-01-15 | 73.70 | 79.35 | -0.77 | THC ahead |
| 2025-01-14 | 73.59 | 77.88 | -0.66 | THC ahead |
| 2025-01-13 | 74.16 | 78.89 | -0.70 | THC ahead |
| 2025-01-10 | 72.87 | 78.09 | -0.75 | THC ahead |
| 2025-01-08 | 74.90 | 79.46 | -0.70 | THC ahead |
| 2025-01-07 | 74.17 | 78.60 | -0.70 | THC ahead |
| 2025-01-06 | 71.45 | 76.65 | -0.78 | THC ahead |
| 2025-01-03 | 71.40 | 74.85 | -0.64 | THC ahead |
| 2025-01-02 | 71.65 | 76.41 | -0.75 | THC ahead |
| 2024-12-31 | 72.23 | 77.03 | -0.76 | THC ahead |
| 2024-12-30 | 71.81 | 76.54 | -0.76 | THC ahead |
| 2024-12-27 | 72.80 | 78.09 | -0.81 | THC ahead |
| 2024-12-26 | 72.86 | 78.08 | -0.81 | THC ahead |
| 2024-12-24 | 73.31 | 79.15 | -0.86 | THC ahead |
| 2024-12-23 | 73.04 | 79.11 | -0.88 | THC ahead |
| 2024-12-20 | 73.07 | 79.00 | -0.88 | THC ahead |
| 2024-12-19 | 71.60 | 76.71 | -0.83 | THC ahead |
| 2024-12-18 | 71.99 | 77.78 | -0.89 | THC ahead |
| 2024-12-17 | 74.07 | 80.89 | -0.96 | THC ahead |
| 2024-12-16 | 74.51 | 81.63 | -0.99 | THC ahead |
| 2024-12-13 | 75.55 | 83.43 | -1.04 | THC ahead |
| 2024-12-12 | 75.08 | 82.60 | -1.03 | THC ahead |
| 2024-12-11 | 75.84 | 85.49 | -1.18 | THC ahead |
| 2024-12-10 | 76.24 | 84.88 | -1.11 | THC ahead |
| 2024-12-09 | 76.65 | 86.05 | -1.17 | THC ahead |
| 2024-12-06 | 76.95 | 84.79 | -1.07 | THC ahead |
| 2024-12-05 | 77.02 | 84.76 | -1.07 | THC ahead |
| 2024-12-04 | 77.99 | 86.36 | -1.11 | THC ahead |
| 2024-12-03 | 78.71 | 86.21 | -1.06 | THC ahead |
| 2024-12-02 | 78.84 | 86.67 | -1.08 | THC ahead |
| 2024-11-29 | 78.75 | 87.07 | -1.13 | THC ahead |
| 2024-11-27 | 78.32 | 86.64 | -1.14 | THC ahead |
| 2024-11-26 | 79.16 | 88.88 | -1.23 | THC ahead |
| 2024-11-25 | 78.36 | 87.46 | -1.20 | THC ahead |
| 2024-11-22 | 78.19 | 87.65 | -1.24 | THC ahead |
| 2024-11-21 | 79.95 | 90.27 | -1.29 | THC ahead |
| 2024-11-20 | 80.14 | 92.66 | -1.43 | THC ahead |
| 2024-11-19 | 80.64 | 93.58 | -1.46 | THC ahead |
| 2024-11-18 | 80.82 | 93.64 | -1.46 | THC ahead |
| 2024-11-15 | 82.53 | 94.79 | -1.42 | THC ahead |
| 2024-11-14 | 83.15 | 99.26 | -1.65 | THC ahead |
| 2024-11-13 | 84.06 | 99.43 | -1.60 | THC ahead |
| 2024-11-12 | 84.36 | 100.21 | -1.63 | THC ahead |
| 2024-11-11 | 86.15 | 101.82 | -1.61 | THC ahead |
| 2024-11-08 | 85.23 | 100.82 | -1.63 | THC ahead |
| 2024-11-07 | 85.68 | 102.84 | -1.72 | THC ahead |
| 2024-11-06 | 83.93 | 97.86 | -1.57 | THC ahead |
| 2024-11-05 | 88.24 | 101.83 | -1.52 | THC ahead |
| 2024-11-04 | 87.39 | 99.09 | -1.43 | THC ahead |
| 2024-11-01 | 85.96 | 95.28 | -1.32 | THC ahead |
| 2024-10-31 | 86.33 | 94.60 | -1.26 | THC ahead |
| 2024-10-30 | 86.86 | 96.47 | -1.34 | THC ahead |
| 2024-10-29 | 86.80 | 99.32 | -1.51 | THC ahead |
| 2024-10-28 | 85.81 | 85.12 | -0.76 | THC ahead |
| 2024-10-25 | 87.49 | 85.29 | -0.67 | THC ahead |
| 2024-10-24 | 96.00 | 92.20 | -0.60 | THC ahead |
| 2024-10-23 | 98.67 | 96.19 | -0.68 | THC ahead |
| 2024-10-22 | 98.23 | 95.95 | -0.70 | THC ahead |
| 2024-10-21 | 98.85 | 97.47 | -0.75 | THC ahead |
| 2024-10-18 | 100.00 | 100.00 | -0.83 | THC ahead |
One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Oct 29, 2024 (HCA +1.1%, THC +16.7%); Apr 29, 2025 (HCA +2.6%, THC +11.7%); Nov 24, 2025 (HCA +2.0%, THC +11.8%); Feb 11, 2026 (HCA +5.9%, THC +17.3%); Jul 24, 2026 (HCA +1.5%, THC +17.2%). Upcoming earnings: HCA Oct 27, 2026 (pre-market); THC Oct 29, 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)
2 simulated trades to Oct 20, 2026: +26.02% per trade on average after costs, 2 won.
| Legs | Entered | Exited | Why | Days | Before costs | Costs + borrow | After costs |
|---|---|---|---|---|---|---|---|
| Long THC · Short HCA | Apr 22, 2025 | May 1, 2025 | converged | 9 | $2,069.38 | -$48.86 | $2,018.60 (+20.19%) |
| Long THC · Short HCA | Oct 16, 2017 | Mar 5, 2018 | converged | 140 | $3,333.46 | -$101.65 | $3,185.20 (+31.85%) |
Per $10,000 a leg. A replay on today's companies cannot prove an edge.
The companies
HCA and THC at a glance
HCA HCA Healthcare Inc.
- Listing
- NYSE · SEC CIK 860730
- Industry
- Hospital/Nursing Management · SIC 8062 Services-General Medical & Surgical Hospitals, NEC
- Market value
- $98.5B
- Price history
- 2,521 daily closes, Oct 12, 2016 to Oct 22, 2026
THC Tenet Healthcare Corporation
- Listing
- NYSE · SEC CIK 70318
- Industry
- Hospital/Nursing Management · SIC 8062 Services-General Medical & Surgical Hospitals, NEC
- Market value
- $21.4B
- 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 HCA and THC
| Pair | Status | Ahead now | Industry |
|---|---|---|---|
| THC / UHS | Watchlist | THC by 1.17 sd | SIC 8062 Services-General Medical & Surgical Hospitals, NEC |
| THC / EHC | Watchlist | THC by 1.04 sd | Hospital/Nursing Management |
| HCA / EHC | Watchlist | EHC by 0.69 sd | Hospital/Nursing Management |
| HCA / UHS | Watchlist | HCA by 0.33 sd | SIC 8062 Services-General Medical & Surgical Hospitals, 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.
