CACI International Inc. vs Leidos Holdings Inc.
Why these are rivals: #2 and #3 by market value ($16B vs $14B) with SEC SIC 7373 (Services-Computer Integrated Systems Design).
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: -1.27 (needs <= -2.873 (5% critical value))
- Speed: half-life of the spread, sessions: 75.29 (needs <= 63)
LDOS is the larger business
Annual revenue reported to the SEC. Scale, not market share.
| Year | CACI | LDOS | Larger |
|---|---|---|---|
| 2025 | $8.6B | $17.2B | LDOS |
| 2024 | $7.7B | $16.7B | LDOS |
| 2023 | $6.7B | $15.4B | LDOS |
| 2022 | $6.2B | $14.4B | LDOS |
| 2021 | $6.0B | $13.7B | LDOS |
| 2020 | $5.7B | $12.3B | LDOS |
LDOS led in every year with figures for both. Market value: CACI $13.6B, LDOS $15.8B.
CACI is ahead now
Measured against the pair's own last 252 trading days.
CACI leads LDOS by 1.10 standard deviations: +21.4% over its usual price ratio. 1 lead switch in the last year.
| Price change | 3 mo | 6 mo | 12 mo |
|---|---|---|---|
| CACI | +27.2% | +17.6% | +16.0% |
| LDOS | +20.1% | -8.7% | -30.2% |
Not a measured twin today
Only these tests can make a pair tradable on paper.
- Pass
- Aligned sessions: 2515 (needs >= 254)
- Pass
- Co-movement: daily return correlation, 252 sessions: 0.64 (needs >= 0.60)
- Fail
- Mean reversion: ADF t-statistic of the spread: -1.27 (needs <= -2.873 (5% critical value))
- Fail
- Speed: half-life of the spread, sessions: 75.29 (needs <= 63)
- Data
- Both stocks current
Prices side by side, and the gap between them
Data table (504 sessions)
| Date | CACI index | LDOS index | z | Ahead |
|---|---|---|---|---|
| 2026-10-22 | 116.55 | 79.48 | +1.10 | CACI ahead |
| 2026-10-21 | 117.33 | 76.23 | +1.38 | CACI ahead |
| 2026-10-20 | 114.39 | 75.31 | +1.31 | CACI ahead |
| 2026-10-19 | 116.03 | 74.36 | +1.47 | CACI ahead |
| 2026-10-16 | 115.63 | 73.65 | +1.52 | CACI ahead |
| 2026-10-15 | 115.07 | 73.15 | +1.54 | CACI ahead |
| 2026-10-14 | 113.69 | 71.14 | +1.64 | CACI ahead |
| 2026-10-13 | 114.75 | 70.61 | +1.75 | CACI ahead |
| 2026-10-12 | 115.64 | 71.73 | +1.72 | CACI ahead |
| 2026-10-09 | 114.94 | 71.78 | +1.69 | CACI ahead |
| 2026-10-08 | 112.82 | 70.33 | +1.71 | CACI ahead |
| 2026-10-07 | 109.52 | 66.98 | +1.83 | CACI ahead |
| 2026-10-06 | 112.86 | 68.84 | +1.87 | CACI ahead |
| 2026-10-05 | 117.49 | 70.46 | +1.98 | CACI ahead |
| 2026-10-02 | 115.76 | 69.45 | +1.99 | CACI ahead |
| 2026-10-01 | 118.03 | 71.95 | +1.92 | CACI ahead |
| 2026-09-30 | 114.65 | 71.87 | +1.78 | CACI ahead |
| 2026-09-29 | 114.46 | 72.62 | +1.72 | CACI ahead |
| 2026-09-28 | 116.02 | 72.17 | +1.85 | CACI ahead |
| 2026-09-25 | 116.38 | 72.92 | +1.82 | CACI ahead |
| 2026-09-24 | 116.10 | 72.76 | +1.84 | CACI ahead |
| 2026-09-23 | 116.07 | 73.55 | +1.79 | CACI ahead |
| 2026-09-22 | 115.42 | 72.74 | +1.84 | CACI ahead |
| 2026-09-21 | 119.12 | 75.64 | +1.81 | CACI ahead |
| 2026-09-18 | 117.99 | 75.32 | +1.79 | CACI ahead |
| 2026-09-17 | 119.52 | 77.25 | +1.74 | CACI ahead |
| 2026-09-16 | 118.80 | 76.30 | +1.79 | CACI ahead |
| 2026-09-15 | 119.78 | 76.24 | +1.86 | CACI ahead |
| 2026-09-14 | 119.93 | 78.36 | +1.73 | CACI ahead |
| 2026-09-11 | 116.92 | 76.01 | +1.77 | CACI ahead |
| 2026-09-10 | 117.45 | 76.42 | +1.78 | CACI ahead |
| 2026-09-09 | 114.22 | 75.59 | +1.70 | CACI ahead |
| 2026-09-08 | 117.70 | 76.24 | +1.84 | CACI ahead |
| 2026-09-04 | 117.38 | 78.49 | +1.67 | CACI ahead |
| 2026-09-03 | 118.58 | 78.08 | +1.77 | CACI ahead |
| 2026-09-02 | 115.62 | 78.92 | +1.58 | CACI ahead |
| 2026-09-01 | 118.48 | 82.10 | +1.51 | CACI ahead |
| 2026-08-31 | 117.26 | 82.71 | +1.42 | CACI ahead |
| 2026-08-28 | 118.24 | 82.98 | +1.46 | CACI ahead |
| 2026-08-27 | 119.30 | 82.50 | +1.55 | CACI ahead |
| 2026-08-26 | 117.59 | 81.07 | +1.58 | CACI ahead |
| 2026-08-25 | 115.21 | 79.37 | +1.60 | CACI ahead |
| 2026-08-24 | 119.80 | 81.66 | +1.68 | CACI ahead |
| 2026-08-21 | 121.85 | 83.41 | +1.67 | CACI ahead |
| 2026-08-20 | 121.66 | 83.39 | +1.68 | CACI ahead |
| 2026-08-19 | 124.73 | 86.31 | +1.64 | CACI ahead |
| 2026-08-18 | 123.48 | 84.64 | +1.71 | CACI ahead |
| 2026-08-17 | 122.22 | 83.91 | +1.71 | CACI ahead |
| 2026-08-14 | 126.21 | 84.85 | +1.86 | CACI ahead |
| 2026-08-13 | 126.11 | 84.13 | +1.92 | CACI ahead |
| 2026-08-12 | 128.01 | 82.81 | +2.12 | CACI ahead |
| 2026-08-11 | 125.65 | 83.11 | +2.02 | CACI ahead |
| 2026-08-10 | 122.01 | 82.06 | +1.94 | CACI ahead |
| 2026-08-07 | 121.30 | 81.15 | +1.99 | CACI ahead |
| 2026-08-06 | 118.35 | 79.79 | +1.97 | CACI ahead |
| 2026-08-05 | 97.50 | 74.83 | +1.21 | CACI ahead |
| 2026-08-04 | 98.66 | 77.04 | +1.11 | CACI ahead |
| 2026-08-03 | 96.49 | 70.03 | +1.57 | CACI ahead |
| 2026-07-31 | 93.69 | 68.19 | +1.56 | CACI ahead |
| 2026-07-30 | 89.85 | 66.31 | +1.49 | CACI ahead |
| 2026-07-29 | 91.81 | 67.47 | +1.53 | CACI ahead |
| 2026-07-28 | 96.00 | 69.82 | +1.61 | CACI ahead |
| 2026-07-27 | 93.34 | 67.81 | +1.63 | CACI ahead |
| 2026-07-24 | 91.62 | 66.15 | +1.69 | CACI ahead |
| 2026-07-23 | 90.46 | 65.08 | +1.73 | CACI ahead |
| 2026-07-22 | 87.98 | 63.27 | +1.75 | CACI ahead |
| 2026-07-21 | 82.96 | 61.89 | +1.54 | CACI ahead |
| 2026-07-20 | 84.95 | 63.13 | +1.58 | CACI ahead |
| 2026-07-17 | 86.88 | 62.81 | +1.77 | CACI ahead |
| 2026-07-16 | 87.12 | 63.88 | +1.70 | CACI ahead |
| 2026-07-15 | 88.81 | 63.83 | +1.84 | CACI ahead |
| 2026-07-14 | 88.19 | 62.86 | +1.92 | CACI ahead |
| 2026-07-13 | 89.96 | 62.87 | +2.07 | CACI ahead |
| 2026-07-10 | 91.56 | 63.13 | +2.19 | CACI ahead |
| 2026-07-09 | 90.97 | 62.90 | +2.20 | CACI ahead |
| 2026-07-08 | 92.94 | 63.23 | +2.34 | CACI ahead |
| 2026-07-07 | 93.61 | 64.05 | +2.34 | CACI ahead |
| 2026-07-06 | 95.10 | 64.13 | +2.48 | CACI ahead |
| 2026-07-02 | 94.64 | 64.20 | +2.48 | CACI ahead |
| 2026-07-01 | 87.88 | 60.80 | +2.38 | CACI ahead |
| 2026-06-30 | 87.20 | 60.74 | +2.37 | CACI ahead |
| 2026-06-29 | 86.02 | 59.25 | +2.49 | CACI ahead |
| 2026-06-26 | 85.44 | 60.03 | +2.38 | CACI ahead |
| 2026-06-25 | 83.43 | 58.99 | +2.37 | CACI ahead |
| 2026-06-24 | 86.97 | 61.54 | +2.40 | CACI ahead |
| 2026-06-23 | 88.03 | 62.59 | +2.41 | CACI ahead |
| 2026-06-22 | 84.65 | 61.85 | +2.24 | CACI ahead |
| 2026-06-18 | 87.79 | 63.19 | +2.38 | CACI ahead |
| 2026-06-17 | 93.16 | 64.10 | +2.78 | CACI ahead |
| 2026-06-16 | 94.94 | 67.00 | +2.63 | CACI ahead |
| 2026-06-15 | 95.53 | 67.60 | +2.66 | CACI ahead |
| 2026-06-12 | 97.76 | 72.06 | +2.37 | CACI ahead |
| 2026-06-11 | 98.90 | 72.02 | +2.51 | CACI ahead |
| 2026-06-10 | 98.09 | 71.79 | +2.51 | CACI ahead |
| 2026-06-09 | 98.82 | 72.86 | +2.49 | CACI ahead |
| 2026-06-08 | 97.71 | 72.44 | +2.49 | CACI ahead |
| 2026-06-05 | 100.02 | 73.40 | +2.62 | CACI ahead |
| 2026-06-04 | 100.16 | 73.48 | +2.67 | CACI ahead |
| 2026-06-03 | 99.39 | 73.35 | +2.66 | CACI ahead |
| 2026-06-02 | 98.78 | 74.81 | +2.48 | CACI ahead |
| 2026-06-01 | 98.80 | 75.34 | +2.46 | CACI ahead |
| 2026-05-29 | 96.65 | 75.39 | +2.29 | CACI ahead |
| 2026-05-28 | 98.41 | 77.63 | +2.22 | CACI ahead |
| 2026-05-27 | 96.15 | 77.05 | +2.10 | CACI ahead |
| 2026-05-26 | 94.32 | 75.58 | +2.13 | CACI ahead |
| 2026-05-22 | 94.36 | 74.33 | +2.32 | CACI ahead |
| 2026-05-21 | 92.24 | 72.58 | +2.37 | CACI ahead |
| 2026-05-20 | 92.78 | 73.38 | +2.36 | CACI ahead |
| 2026-05-19 | 92.85 | 74.30 | +2.28 | CACI ahead |
| 2026-05-18 | 93.15 | 73.64 | +2.43 | CACI ahead |
| 2026-05-15 | 91.66 | 72.96 | +2.40 | CACI ahead |
| 2026-05-14 | 94.90 | 74.06 | +2.65 | CACI ahead |
| 2026-05-13 | 94.84 | 73.25 | +2.80 | CACI ahead |
| 2026-05-12 | 93.96 | 75.74 | +2.41 | CACI ahead |
| 2026-05-11 | 90.83 | 75.32 | +2.15 | CACI ahead |
| 2026-05-08 | 90.53 | 76.75 | +1.94 | CACI ahead |
| 2026-05-07 | 92.21 | 77.43 | +2.06 | CACI ahead |
| 2026-05-06 | 94.00 | 79.58 | +2.00 | CACI ahead |
| 2026-05-05 | 92.99 | 80.93 | +1.73 | CACI ahead |
| 2026-05-04 | 96.67 | 87.78 | +1.28 | CACI ahead |
| 2026-05-01 | 96.61 | 88.03 | +1.25 | CACI ahead |
| 2026-04-30 | 97.79 | 88.03 | +1.39 | CACI ahead |
| 2026-04-29 | 94.68 | 86.07 | +1.30 | CACI ahead |
| 2026-04-28 | 95.75 | 86.21 | +1.41 | CACI ahead |
| 2026-04-27 | 94.47 | 85.09 | +1.42 | CACI ahead |
| 2026-04-24 | 97.22 | 86.16 | +1.61 | CACI ahead |
| 2026-04-23 | 99.10 | 87.07 | +1.72 | CACI ahead |
| 2026-04-22 | 96.42 | 88.90 | +1.20 | CACI ahead |
| 2026-04-21 | 97.57 | 90.37 | +1.16 | CACI ahead |
| 2026-04-20 | 98.26 | 91.33 | +1.13 | CACI ahead |
| 2026-04-17 | 99.22 | 91.53 | +1.22 | CACI ahead |
| 2026-04-16 | 99.78 | 92.30 | +1.20 | CACI ahead |
| 2026-04-15 | 100.07 | 93.82 | +1.06 | CACI ahead |
| 2026-04-14 | 100.43 | 92.12 | +1.31 | CACI ahead |
| 2026-04-13 | 101.61 | 92.96 | +1.35 | CACI ahead |
| 2026-04-10 | 100.60 | 90.18 | +1.60 | CACI ahead |
| 2026-04-09 | 106.01 | 91.81 | +2.01 | CACI ahead |
| 2026-04-08 | 108.88 | 94.76 | +1.98 | CACI ahead |
| 2026-04-07 | 107.12 | 93.72 | +1.94 | CACI ahead |
| 2026-04-06 | 107.65 | 94.07 | +1.98 | CACI ahead |
| 2026-04-02 | 108.35 | 93.69 | +2.12 | CACI ahead |
| 2026-04-01 | 105.62 | 92.03 | +2.06 | CACI ahead |
| 2026-03-31 | 102.37 | 91.74 | +1.75 | CACI ahead |
| 2026-03-30 | 105.12 | 90.96 | +2.19 | CACI ahead |
| 2026-03-27 | 106.09 | 91.75 | +2.23 | CACI ahead |
| 2026-03-26 | 109.14 | 92.96 | +2.44 | CACI ahead |
| 2026-03-25 | 108.97 | 93.72 | +2.36 | CACI ahead |
| 2026-03-24 | 108.55 | 93.79 | +2.34 | CACI ahead |
| 2026-03-23 | 110.91 | 95.88 | +2.36 | CACI ahead |
| 2026-03-20 | 114.13 | 97.85 | +2.51 | CACI ahead |
| 2026-03-19 | 115.37 | 97.89 | +2.68 | CACI ahead |
| 2026-03-18 | 114.58 | 98.37 | +2.58 | CACI ahead |
| 2026-03-17 | 115.37 | 99.68 | +2.54 | CACI ahead |
| 2026-03-16 | 113.94 | 98.78 | +2.54 | CACI ahead |
| 2026-03-13 | 114.20 | 102.56 | +2.10 | CACI ahead |
| 2026-03-12 | 115.31 | 102.53 | +2.26 | CACI ahead |
| 2026-03-11 | 113.76 | 102.27 | +2.14 | CACI ahead |
| 2026-03-10 | 111.37 | 101.76 | +1.95 | CACI ahead |
| 2026-03-09 | 119.18 | 105.91 | +2.36 | CACI ahead |
| 2026-03-06 | 115.94 | 104.94 | +2.14 | CACI ahead |
| 2026-03-05 | 115.29 | 103.62 | +2.26 | CACI ahead |
| 2026-03-04 | 117.55 | 104.24 | +2.47 | CACI ahead |
| 2026-03-03 | 118.53 | 106.57 | +2.31 | CACI ahead |
| 2026-03-02 | 117.63 | 105.83 | +2.32 | CACI ahead |
| 2026-02-27 | 114.85 | 103.29 | +2.35 | CACI ahead |
| 2026-02-26 | 112.40 | 103.74 | +2.01 | CACI ahead |
| 2026-02-25 | 111.06 | 100.22 | +2.34 | CACI ahead |
| 2026-02-24 | 110.30 | 102.72 | +1.92 | CACI ahead |
| 2026-02-23 | 107.47 | 101.46 | +1.75 | CACI ahead |
| 2026-02-20 | 110.30 | 102.35 | +2.01 | CACI ahead |
| 2026-02-19 | 111.28 | 103.98 | +1.93 | CACI ahead |
| 2026-02-18 | 106.72 | 101.19 | +1.73 | CACI ahead |
| 2026-02-17 | 106.26 | 95.29 | +2.55 | CACI ahead |
| 2026-02-13 | 107.91 | 104.00 | +1.55 | CACI ahead |
| 2026-02-12 | 105.67 | 101.13 | +1.66 | CACI ahead |
| 2026-02-11 | 107.82 | 102.05 | +1.83 | CACI ahead |
| 2026-02-10 | 117.79 | 114.87 | +1.42 | CACI ahead |
| 2026-02-09 | 119.95 | 114.78 | +1.71 | CACI ahead |
| 2026-02-06 | 116.41 | 113.84 | +1.41 | CACI ahead |
| 2026-02-05 | 112.62 | 109.77 | +1.47 | CACI ahead |
| 2026-02-04 | 113.89 | 111.16 | +1.46 | CACI ahead |
| 2026-02-03 | 116.48 | 111.96 | +1.70 | CACI ahead |
| 2026-02-02 | 115.26 | 110.92 | +1.70 | CACI ahead |
| 2026-01-30 | 116.81 | 111.07 | +1.90 | CACI ahead |
| 2026-01-29 | 117.29 | 110.42 | +2.07 | CACI ahead |
| 2026-01-28 | 120.13 | 110.77 | +2.41 | CACI ahead |
| 2026-01-27 | 121.07 | 110.40 | +2.62 | CACI ahead |
| 2026-01-26 | 120.98 | 111.79 | +2.46 | CACI ahead |
| 2026-01-23 | 124.64 | 112.81 | +2.83 | CACI ahead |
| 2026-01-22 | 123.37 | 114.12 | +2.54 | CACI ahead |
| 2026-01-21 | 119.06 | 113.33 | +2.11 | CACI ahead |
| 2026-01-20 | 118.42 | 112.62 | +2.15 | CACI ahead |
| 2026-01-16 | 119.60 | 114.85 | +2.02 | CACI ahead |
| 2026-01-15 | 118.11 | 114.06 | +1.96 | CACI ahead |
| 2026-01-14 | 115.07 | 112.56 | +1.76 | CACI ahead |
| 2026-01-13 | 113.79 | 115.60 | +1.16 | CACI ahead |
| 2026-01-12 | 113.84 | 115.38 | +1.20 | CACI ahead |
| 2026-01-09 | 112.73 | 117.00 | +0.82 | CACI ahead |
| 2026-01-08 | 109.94 | 115.16 | +0.68 | CACI ahead |
| 2026-01-07 | 105.93 | 115.98 | -0.05 | near the usual relationship |
| 2026-01-06 | 105.30 | 116.51 | -0.22 | near the usual relationship |
| 2026-01-05 | 107.03 | 115.32 | +0.22 | near the usual relationship |
| 2026-01-02 | 101.15 | 108.23 | +0.33 | near the usual relationship |
| 2025-12-31 | 100.29 | 106.42 | +0.47 | near the usual relationship |
| 2025-12-30 | 101.45 | 108.16 | +0.40 | near the usual relationship |
| 2025-12-29 | 101.54 | 109.42 | +0.23 | near the usual relationship |
| 2025-12-26 | 102.01 | 109.64 | +0.27 | near the usual relationship |
| 2025-12-24 | 102.47 | 110.09 | +0.28 | near the usual relationship |
| 2025-12-23 | 102.50 | 109.91 | +0.31 | near the usual relationship |
| 2025-12-22 | 103.52 | 109.75 | +0.51 | CACI ahead |
| 2025-12-19 | 104.77 | 108.94 | +0.83 | CACI ahead |
| 2025-12-18 | 103.33 | 106.88 | +0.92 | CACI ahead |
| 2025-12-17 | 105.54 | 106.98 | +1.26 | CACI ahead |
| 2025-12-16 | 105.44 | 107.46 | +1.18 | CACI ahead |
| 2025-12-15 | 106.80 | 109.69 | +1.06 | CACI ahead |
| 2025-12-12 | 107.75 | 111.92 | +0.89 | CACI ahead |
| 2025-12-11 | 110.39 | 112.39 | +1.23 | CACI ahead |
| 2025-12-10 | 112.26 | 111.08 | +1.71 | CACI ahead |
| 2025-12-09 | 110.90 | 109.10 | +1.83 | CACI ahead |
| 2025-12-08 | 111.70 | 109.50 | +1.91 | CACI ahead |
| 2025-12-05 | 112.11 | 110.21 | +1.89 | CACI ahead |
| 2025-12-04 | 113.99 | 113.51 | +1.68 | CACI ahead |
| 2025-12-03 | 111.59 | 111.16 | +1.70 | CACI ahead |
| 2025-12-02 | 114.13 | 110.35 | +2.24 | CACI ahead |
| 2025-12-01 | 115.24 | 111.15 | +2.31 | CACI ahead |
| 2025-11-28 | 116.15 | 112.73 | +2.23 | CACI ahead |
| 2025-11-26 | 115.82 | 112.29 | +2.28 | CACI ahead |
| 2025-11-25 | 116.32 | 112.97 | +2.28 | CACI ahead |
| 2025-11-24 | 114.86 | 110.20 | +2.55 | CACI ahead |
| 2025-11-21 | 112.92 | 110.01 | +2.30 | CACI ahead |
| 2025-11-20 | 111.99 | 109.52 | +2.26 | CACI ahead |
| 2025-11-19 | 113.47 | 111.60 | +2.18 | CACI ahead |
| 2025-11-18 | 112.42 | 111.56 | +2.04 | CACI ahead |
| 2025-11-17 | 110.36 | 111.37 | +1.74 | CACI ahead |
| 2025-11-14 | 111.21 | 112.91 | +1.64 | CACI ahead |
| 2025-11-13 | 110.54 | 112.86 | +1.55 | CACI ahead |
| 2025-11-12 | 110.42 | 113.86 | +1.36 | CACI ahead |
| 2025-11-11 | 110.65 | 116.95 | +0.89 | CACI ahead |
| 2025-11-10 | 111.40 | 116.13 | +1.16 | CACI ahead |
| 2025-11-07 | 110.91 | 116.20 | +1.07 | CACI ahead |
| 2025-11-06 | 110.00 | 114.89 | +1.13 | CACI ahead |
| 2025-11-05 | 110.78 | 115.07 | +1.23 | CACI ahead |
| 2025-11-04 | 110.06 | 117.71 | +0.67 | CACI ahead |
| 2025-11-03 | 106.18 | 113.88 | +0.61 | CACI ahead |
| 2025-10-31 | 105.83 | 112.36 | +0.80 | CACI ahead |
| 2025-10-30 | 106.02 | 112.62 | +0.77 | CACI ahead |
| 2025-10-29 | 105.81 | 111.00 | +1.00 | CACI ahead |
| 2025-10-28 | 107.75 | 110.79 | +1.35 | CACI ahead |
| 2025-10-27 | 108.93 | 111.56 | +1.42 | CACI ahead |
| 2025-10-24 | 110.21 | 112.06 | +1.55 | CACI ahead |
| 2025-10-23 | 110.03 | 112.90 | +1.37 | CACI ahead |
| 2025-10-22 | 97.91 | 111.18 | -0.50 | LDOS ahead |
| 2025-10-21 | 100.45 | 113.95 | -0.49 | near the usual relationship |
| 2025-10-20 | 99.16 | 112.37 | -0.47 | near the usual relationship |
| 2025-10-17 | 97.09 | 108.84 | -0.29 | near the usual relationship |
| 2025-10-16 | 97.54 | 108.78 | -0.20 | near the usual relationship |
| 2025-10-15 | 97.33 | 110.06 | -0.45 | near the usual relationship |
| 2025-10-14 | 96.80 | 110.47 | -0.62 | LDOS ahead |
| 2025-10-13 | 95.63 | 109.69 | -0.72 | LDOS ahead |
| 2025-10-10 | 96.06 | 110.92 | -0.84 | LDOS ahead |
| 2025-10-09 | 96.24 | 114.47 | -1.38 | LDOS ahead |
| 2025-10-08 | 99.14 | 116.94 | -1.24 | LDOS ahead |
| 2025-10-07 | 99.00 | 116.21 | -1.16 | LDOS ahead |
| 2025-10-06 | 99.57 | 116.82 | -1.16 | LDOS ahead |
| 2025-10-03 | 99.80 | 115.37 | -0.91 | LDOS ahead |
| 2025-10-02 | 97.70 | 113.79 | -1.05 | LDOS ahead |
| 2025-10-01 | 96.96 | 113.04 | -1.07 | LDOS ahead |
| 2025-09-30 | 93.88 | 111.47 | -1.40 | LDOS ahead |
| 2025-09-29 | 91.86 | 109.49 | -1.48 | LDOS ahead |
| 2025-09-26 | 91.40 | 109.07 | -1.51 | LDOS ahead |
| 2025-09-25 | 89.64 | 107.57 | -1.63 | LDOS ahead |
| 2025-09-24 | 93.59 | 110.55 | -1.36 | LDOS ahead |
| 2025-09-23 | 92.78 | 110.38 | -1.49 | LDOS ahead |
| 2025-09-22 | 94.44 | 110.82 | -1.26 | LDOS ahead |
| 2025-09-19 | 93.89 | 110.58 | -1.34 | LDOS ahead |
| 2025-09-18 | 93.45 | 110.40 | -1.40 | LDOS ahead |
| 2025-09-17 | 93.29 | 108.42 | -1.13 | LDOS ahead |
| 2025-09-16 | 92.49 | 107.70 | -1.17 | LDOS ahead |
| 2025-09-15 | 93.18 | 107.79 | -1.06 | LDOS ahead |
| 2025-09-12 | 93.35 | 108.46 | -1.15 | LDOS ahead |
| 2025-09-11 | 92.82 | 109.21 | -1.38 | LDOS ahead |
| 2025-09-10 | 91.52 | 106.40 | -1.18 | LDOS ahead |
| 2025-09-09 | 90.27 | 105.61 | -1.30 | LDOS ahead |
| 2025-09-08 | 89.22 | 105.24 | -1.46 | LDOS ahead |
| 2025-09-05 | 89.30 | 105.59 | -1.51 | LDOS ahead |
| 2025-09-04 | 86.60 | 105.34 | -2.03 | LDOS ahead |
| 2025-09-03 | 88.36 | 104.83 | -1.61 | LDOS ahead |
| 2025-09-02 | 90.90 | 106.71 | -1.43 | LDOS ahead |
| 2025-08-29 | 90.29 | 106.72 | -1.57 | LDOS ahead |
| 2025-08-28 | 90.29 | 106.98 | -1.63 | LDOS ahead |
| 2025-08-27 | 91.68 | 108.18 | -1.57 | LDOS ahead |
| 2025-08-26 | 90.94 | 107.57 | -1.63 | LDOS ahead |
| 2025-08-25 | 91.25 | 107.13 | -1.51 | LDOS ahead |
| 2025-08-22 | 90.61 | 107.21 | -1.66 | LDOS ahead |
| 2025-08-21 | 91.48 | 106.44 | -1.37 | LDOS ahead |
| 2025-08-20 | 91.59 | 106.28 | -1.33 | LDOS ahead |
| 2025-08-19 | 91.64 | 105.44 | -1.19 | LDOS ahead |
| 2025-08-18 | 91.52 | 105.07 | -1.16 | LDOS ahead |
| 2025-08-15 | 91.99 | 104.78 | -1.03 | LDOS ahead |
| 2025-08-14 | 92.36 | 105.26 | -1.04 | LDOS ahead |
| 2025-08-13 | 94.84 | 107.33 | -0.92 | LDOS ahead |
| 2025-08-12 | 89.82 | 105.01 | -1.51 | LDOS ahead |
| 2025-08-11 | 90.09 | 104.50 | -1.38 | LDOS ahead |
| 2025-08-08 | 93.15 | 104.12 | -0.73 | LDOS ahead |
| 2025-08-07 | 94.10 | 103.39 | -0.43 | near the usual relationship |
| 2025-08-06 | 89.46 | 102.93 | -1.26 | LDOS ahead |
| 2025-08-05 | 88.75 | 102.02 | -1.25 | LDOS ahead |
| 2025-08-04 | 87.84 | 94.94 | -0.17 | near the usual relationship |
| 2025-08-01 | 86.76 | 93.91 | -0.20 | near the usual relationship |
| 2025-07-31 | 86.69 | 94.18 | -0.26 | near the usual relationship |
| 2025-07-30 | 88.23 | 95.00 | -0.11 | near the usual relationship |
| 2025-07-29 | 88.20 | 95.27 | -0.17 | near the usual relationship |
| 2025-07-28 | 87.21 | 94.59 | -0.24 | near the usual relationship |
| 2025-07-25 | 90.32 | 96.30 | +0.06 | near the usual relationship |
| 2025-07-24 | 89.97 | 96.30 | -0.01 | near the usual relationship |
| 2025-07-23 | 90.47 | 96.69 | +0.02 | near the usual relationship |
| 2025-07-22 | 89.87 | 95.14 | +0.18 | near the usual relationship |
| 2025-07-21 | 90.10 | 94.82 | +0.29 | near the usual relationship |
| 2025-07-18 | 90.90 | 95.88 | +0.25 | near the usual relationship |
| 2025-07-17 | 90.27 | 95.98 | +0.11 | near the usual relationship |
| 2025-07-16 | 89.15 | 95.00 | +0.07 | near the usual relationship |
| 2025-07-15 | 89.40 | 94.51 | +0.21 | near the usual relationship |
| 2025-07-14 | 91.71 | 96.55 | +0.28 | near the usual relationship |
| 2025-07-11 | 90.57 | 95.59 | +0.24 | near the usual relationship |
| 2025-07-10 | 90.34 | 96.15 | +0.09 | near the usual relationship |
| 2025-07-09 | 91.36 | 95.69 | +0.38 | near the usual relationship |
| 2025-07-08 | 92.02 | 95.62 | +0.52 | CACI ahead |
| 2025-07-07 | 95.05 | 97.02 | +0.84 | CACI ahead |
| 2025-07-03 | 92.04 | 97.07 | +0.26 | near the usual relationship |
| 2025-07-02 | 91.82 | 95.93 | +0.43 | near the usual relationship |
| 2025-07-01 | 90.99 | 94.94 | +0.45 | near the usual relationship |
| 2025-06-30 | 89.73 | 93.06 | +0.56 | CACI ahead |
| 2025-06-27 | 87.22 | 91.84 | +0.30 | near the usual relationship |
| 2025-06-26 | 87.59 | 91.84 | +0.37 | near the usual relationship |
| 2025-06-25 | 86.75 | 90.82 | +0.40 | near the usual relationship |
| 2025-06-24 | 85.11 | 89.80 | +0.26 | near the usual relationship |
| 2025-06-23 | 86.13 | 88.88 | +0.66 | CACI ahead |
| 2025-06-20 | 85.37 | 87.57 | +0.76 | CACI ahead |
| 2025-06-18 | 85.55 | 87.51 | +0.82 | CACI ahead |
| 2025-06-17 | 86.34 | 88.13 | +0.86 | CACI ahead |
| 2025-06-16 | 83.99 | 87.45 | +0.51 | CACI ahead |
| 2025-06-13 | 84.83 | 87.99 | +0.58 | CACI ahead |
| 2025-06-12 | 83.90 | 87.32 | +0.52 | CACI ahead |
| 2025-06-11 | 83.05 | 86.08 | +0.60 | CACI ahead |
| 2025-06-10 | 82.18 | 85.88 | +0.45 | near the usual relationship |
| 2025-06-09 | 83.01 | 86.33 | +0.54 | CACI ahead |
| 2025-06-06 | 83.84 | 87.39 | +0.51 | CACI ahead |
| 2025-06-05 | 81.36 | 85.75 | +0.31 | near the usual relationship |
| 2025-06-04 | 80.03 | 85.19 | +0.14 | near the usual relationship |
| 2025-06-03 | 80.42 | 85.23 | +0.21 | near the usual relationship |
| 2025-06-02 | 78.35 | 83.56 | +0.10 | near the usual relationship |
| 2025-05-30 | 80.56 | 87.61 | -0.24 | near the usual relationship |
| 2025-05-29 | 80.78 | 87.01 | -0.07 | near the usual relationship |
| 2025-05-28 | 84.08 | 88.11 | +0.42 | near the usual relationship |
| 2025-05-27 | 87.95 | 89.99 | +0.85 | CACI ahead |
| 2025-05-23 | 86.89 | 89.95 | +0.65 | CACI ahead |
| 2025-05-22 | 89.36 | 93.38 | +0.48 | near the usual relationship |
| 2025-05-21 | 88.96 | 93.76 | +0.34 | near the usual relationship |
| 2025-05-20 | 89.84 | 94.56 | +0.36 | near the usual relationship |
| 2025-05-19 | 89.95 | 94.11 | +0.47 | near the usual relationship |
| 2025-05-16 | 90.19 | 93.79 | +0.58 | CACI ahead |
| 2025-05-15 | 89.78 | 92.47 | +0.76 | CACI ahead |
| 2025-05-14 | 87.84 | 90.29 | +0.80 | CACI ahead |
| 2025-05-13 | 86.97 | 91.69 | +0.35 | near the usual relationship |
| 2025-05-12 | 89.55 | 92.08 | +0.80 | CACI ahead |
| 2025-05-09 | 89.94 | 91.85 | +0.92 | CACI ahead |
| 2025-05-08 | 89.64 | 91.26 | +0.98 | CACI ahead |
| 2025-05-07 | 89.25 | 91.27 | +0.91 | CACI ahead |
| 2025-05-06 | 88.75 | 91.29 | +0.81 | CACI ahead |
| 2025-05-05 | 86.88 | 87.27 | +1.25 | CACI ahead |
| 2025-05-02 | 87.18 | 87.77 | +1.21 | CACI ahead |
| 2025-05-01 | 86.37 | 86.49 | +1.31 | CACI ahead |
| 2025-04-30 | 86.18 | 86.82 | +1.21 | CACI ahead |
| 2025-04-29 | 84.54 | 87.05 | +0.81 | CACI ahead |
| 2025-04-28 | 84.48 | 85.98 | +1.02 | CACI ahead |
| 2025-04-25 | 84.60 | 85.95 | +1.06 | CACI ahead |
| 2025-04-24 | 85.95 | 85.87 | +1.37 | CACI ahead |
| 2025-04-23 | 79.69 | 83.77 | +0.45 | near the usual relationship |
| 2025-04-22 | 79.56 | 83.33 | +0.52 | CACI ahead |
| 2025-04-21 | 78.82 | 81.55 | +0.74 | CACI ahead |
| 2025-04-17 | 79.05 | 82.24 | +0.64 | CACI ahead |
| 2025-04-16 | 78.10 | 82.53 | +0.36 | near the usual relationship |
| 2025-04-15 | 78.53 | 83.41 | +0.27 | near the usual relationship |
| 2025-04-14 | 79.82 | 84.34 | +0.36 | near the usual relationship |
| 2025-04-11 | 77.68 | 83.70 | +0.01 | near the usual relationship |
| 2025-04-10 | 75.93 | 82.39 | -0.12 | near the usual relationship |
| 2025-04-09 | 76.04 | 82.43 | -0.11 | near the usual relationship |
| 2025-04-08 | 72.79 | 78.67 | -0.05 | near the usual relationship |
| 2025-04-07 | 72.88 | 78.40 | +0.04 | near the usual relationship |
| 2025-04-04 | 72.67 | 78.54 | -0.05 | near the usual relationship |
| 2025-04-03 | 73.79 | 82.29 | -0.62 | LDOS ahead |
| 2025-04-02 | 73.64 | 84.32 | -1.11 | LDOS ahead |
| 2025-04-01 | 69.62 | 79.61 | -1.10 | LDOS ahead |
| 2025-03-31 | 69.06 | 79.60 | -1.25 | LDOS ahead |
| 2025-03-28 | 70.28 | 79.08 | -0.81 | LDOS ahead |
| 2025-03-27 | 70.77 | 80.04 | -0.91 | LDOS ahead |
| 2025-03-26 | 70.20 | 80.43 | -1.16 | LDOS ahead |
| 2025-03-25 | 70.15 | 80.37 | -1.16 | LDOS ahead |
| 2025-03-24 | 69.92 | 80.10 | -1.17 | LDOS ahead |
| 2025-03-21 | 68.91 | 78.95 | -1.18 | LDOS ahead |
| 2025-03-20 | 69.58 | 79.55 | -1.15 | LDOS ahead |
| 2025-03-19 | 72.82 | 81.76 | -0.81 | LDOS ahead |
| 2025-03-18 | 73.41 | 81.80 | -0.67 | LDOS ahead |
| 2025-03-17 | 73.00 | 81.52 | -0.72 | LDOS ahead |
| 2025-03-14 | 70.27 | 79.37 | -0.94 | LDOS ahead |
| 2025-03-13 | 69.19 | 78.37 | -1.00 | LDOS ahead |
| 2025-03-12 | 69.65 | 78.81 | -0.98 | LDOS ahead |
| 2025-03-11 | 69.07 | 79.11 | -1.22 | LDOS ahead |
| 2025-03-10 | 71.29 | 81.04 | -1.08 | LDOS ahead |
| 2025-03-07 | 72.87 | 82.14 | -0.93 | LDOS ahead |
| 2025-03-06 | 67.56 | 78.49 | -1.51 | LDOS ahead |
| 2025-03-05 | 68.30 | 78.88 | -1.41 | LDOS ahead |
| 2025-03-04 | 66.45 | 78.00 | -1.74 | LDOS ahead |
| 2025-03-03 | 62.03 | 76.22 | -2.67 | LDOS ahead |
| 2025-02-28 | 63.03 | 76.67 | -2.52 | LDOS ahead |
| 2025-02-27 | 63.17 | 76.49 | -2.46 | LDOS ahead |
| 2025-02-26 | 62.31 | 76.45 | -2.78 | LDOS ahead |
| 2025-02-25 | 62.54 | 77.12 | -2.95 | LDOS ahead |
| 2025-02-24 | 61.58 | 75.68 | -2.94 | LDOS ahead |
| 2025-02-21 | 61.55 | 74.81 | -2.75 | LDOS ahead |
| 2025-02-20 | 64.31 | 76.72 | -2.39 | LDOS ahead |
| 2025-02-19 | 64.84 | 77.57 | -2.49 | LDOS ahead |
| 2025-02-18 | 63.83 | 77.44 | -2.85 | LDOS ahead |
| 2025-02-14 | 63.71 | 78.02 | -3.13 | LDOS ahead |
| 2025-02-13 | 64.56 | 77.07 | -2.59 | LDOS ahead |
| 2025-02-12 | 66.96 | 80.73 | -2.87 | LDOS ahead |
| 2025-02-11 | 68.69 | 81.17 | -2.44 | LDOS ahead |
| 2025-02-10 | 71.92 | 84.22 | -2.26 | LDOS ahead |
| 2025-02-07 | 70.81 | 83.93 | -2.58 | LDOS ahead |
| 2025-02-06 | 70.63 | 83.07 | -2.43 | LDOS ahead |
| 2025-02-05 | 71.55 | 83.35 | -2.23 | LDOS ahead |
| 2025-02-04 | 72.72 | 83.74 | -1.97 | LDOS ahead |
| 2025-02-03 | 72.41 | 83.56 | -2.05 | LDOS ahead |
| 2025-01-31 | 72.70 | 83.78 | -2.04 | LDOS ahead |
| 2025-01-30 | 72.78 | 83.88 | -2.07 | LDOS ahead |
| 2025-01-29 | 72.60 | 82.75 | -1.82 | LDOS ahead |
| 2025-01-28 | 73.80 | 83.47 | -1.64 | LDOS ahead |
| 2025-01-27 | 79.21 | 87.58 | -1.09 | LDOS ahead |
| 2025-01-24 | 76.50 | 85.88 | -1.48 | LDOS ahead |
| 2025-01-23 | 79.36 | 87.84 | -1.14 | LDOS ahead |
| 2025-01-22 | 87.54 | 95.04 | -0.66 | LDOS ahead |
| 2025-01-21 | 87.56 | 94.73 | -0.58 | LDOS ahead |
| 2025-01-17 | 85.15 | 91.54 | -0.43 | near the usual relationship |
| 2025-01-16 | 85.51 | 91.49 | -0.32 | near the usual relationship |
| 2025-01-15 | 84.09 | 91.58 | -0.76 | LDOS ahead |
| 2025-01-14 | 83.05 | 90.11 | -0.67 | LDOS ahead |
| 2025-01-13 | 83.96 | 90.04 | -0.39 | near the usual relationship |
| 2025-01-10 | 81.17 | 88.15 | -0.70 | LDOS ahead |
| 2025-01-08 | 78.28 | 85.98 | -0.98 | LDOS ahead |
| 2025-01-07 | 77.91 | 86.89 | -1.38 | LDOS ahead |
| 2025-01-06 | 78.13 | 87.45 | -1.47 | LDOS ahead |
| 2025-01-03 | 79.08 | 86.80 | -0.99 | LDOS ahead |
| 2025-01-02 | 77.35 | 84.53 | -0.89 | LDOS ahead |
| 2024-12-31 | 76.05 | 84.98 | -1.46 | LDOS ahead |
| 2024-12-30 | 75.71 | 84.46 | -1.43 | LDOS ahead |
| 2024-12-27 | 76.45 | 85.23 | -1.43 | LDOS ahead |
| 2024-12-26 | 76.80 | 85.95 | -1.54 | LDOS ahead |
| 2024-12-24 | 76.21 | 85.88 | -1.73 | LDOS ahead |
| 2024-12-23 | 76.23 | 85.65 | -1.67 | LDOS ahead |
| 2024-12-20 | 75.80 | 85.42 | -1.76 | LDOS ahead |
| 2024-12-19 | 75.28 | 84.47 | -1.67 | LDOS ahead |
| 2024-12-18 | 75.92 | 86.16 | -1.99 | LDOS ahead |
| 2024-12-17 | 78.14 | 88.57 | -1.97 | LDOS ahead |
| 2024-12-16 | 78.48 | 89.96 | -2.31 | LDOS ahead |
| 2024-12-13 | 77.15 | 90.35 | -2.94 | LDOS ahead |
| 2024-12-12 | 77.92 | 90.24 | -2.68 | LDOS ahead |
| 2024-12-11 | 80.94 | 90.58 | -1.76 | LDOS ahead |
| 2024-12-10 | 83.66 | 94.48 | -2.03 | LDOS ahead |
| 2024-12-09 | 82.29 | 94.57 | -2.56 | LDOS ahead |
| 2024-12-06 | 85.55 | 96.24 | -1.98 | LDOS ahead |
| 2024-12-05 | 85.86 | 96.60 | -2.01 | LDOS ahead |
| 2024-12-04 | 85.45 | 97.37 | -2.41 | LDOS ahead |
| 2024-12-03 | 85.43 | 96.82 | -2.28 | LDOS ahead |
| 2024-12-02 | 86.52 | 96.82 | -1.93 | LDOS ahead |
| 2024-11-29 | 86.56 | 97.57 | -2.18 | LDOS ahead |
| 2024-11-27 | 86.64 | 96.73 | -1.91 | LDOS ahead |
| 2024-11-26 | 88.93 | 97.99 | -1.53 | LDOS ahead |
| 2024-11-25 | 87.40 | 96.51 | -1.61 | LDOS ahead |
| 2024-11-22 | 88.23 | 97.63 | -1.69 | LDOS ahead |
| 2024-11-21 | 89.50 | 97.15 | -1.11 | LDOS ahead |
| 2024-11-20 | 85.62 | 95.65 | -2.02 | LDOS ahead |
| 2024-11-19 | 83.69 | 93.38 | -2.01 | LDOS ahead |
| 2024-11-18 | 84.32 | 93.70 | -1.90 | LDOS ahead |
| 2024-11-15 | 88.61 | 94.77 | -0.71 | LDOS ahead |
| 2024-11-14 | 92.48 | 99.08 | -0.77 | LDOS ahead |
| 2024-11-13 | 102.08 | 114.68 | -2.28 | LDOS ahead |
| 2024-11-12 | 106.76 | 118.73 | -1.98 | LDOS ahead |
| 2024-11-11 | 107.75 | 118.80 | -1.72 | LDOS ahead |
| 2024-11-08 | 106.96 | 117.05 | -1.50 | LDOS ahead |
| 2024-11-07 | 105.34 | 113.63 | -1.05 | LDOS ahead |
| 2024-11-06 | 106.20 | 114.56 | -1.06 | LDOS ahead |
| 2024-11-05 | 106.33 | 112.12 | -0.35 | near the usual relationship |
| 2024-11-04 | 104.14 | 109.91 | -0.39 | near the usual relationship |
| 2024-11-01 | 104.14 | 107.93 | +0.17 | near the usual relationship |
| 2024-10-31 | 104.00 | 108.05 | +0.08 | near the usual relationship |
| 2024-10-30 | 105.88 | 109.57 | +0.18 | near the usual relationship |
| 2024-10-29 | 106.04 | 109.64 | +0.18 | near the usual relationship |
| 2024-10-28 | 103.10 | 100.12 | +1.88 | CACI ahead |
| 2024-10-25 | 103.02 | 99.52 | +1.96 | CACI ahead |
| 2024-10-24 | 104.00 | 99.57 | +2.13 | CACI ahead |
| 2024-10-23 | 98.65 | 99.29 | +0.80 | CACI ahead |
| 2024-10-22 | 98.52 | 98.84 | +0.84 | CACI ahead |
| 2024-10-21 | 100.16 | 100.09 | +0.90 | CACI ahead |
| 2024-10-18 | 100.00 | 100.00 | +0.85 | CACI ahead |
One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Oct 24, 2024 (CACI +5.4%, LDOS +0.3%); Oct 29, 2024 (CACI +2.8%, LDOS +9.5%); Aug 5, 2025 (CACI +1.0%, LDOS +7.5%); Oct 23, 2025 (CACI +12.4%, LDOS +1.6%); Feb 17, 2026 (CACI -1.5%, LDOS -8.4%); Aug 6, 2026 (CACI +21.4%, LDOS +6.6%). Upcoming earnings: LDOS Nov 3, 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)
3 simulated trades to Oct 20, 2026: -2.43% per trade on average after costs, 1 won.
| Legs | Entered | Exited | Why | Days | Before costs | Costs + borrow | After costs |
|---|---|---|---|---|---|---|---|
| Long CACI · Short LDOS | Nov 20, 2024 | Feb 13, 2025 | divergence stop | 85 | -$537.26 | -$69.21 | -$642.36 (-6.42%) |
| Long LDOS · Short CACI | Mar 16, 2021 | Nov 1, 2021 | divergence stop | 230 | -$1,160.60 | -$99.23 | -$1,171.22 (-11.71%) |
| Long CACI · Short LDOS | Feb 11, 2021 | Feb 24, 2021 | converged | 13 | $1,170.72 | -$80.78 | $1,084.95 (+10.85%) |
Per $10,000 a leg. A replay on today's companies cannot prove an edge.
CACI and LDOS at a glance
CACI CACI International Inc.
- Listing
- NYSE · SEC CIK 16058
- Industry
- EDP Services · SIC 7373 Services-Computer Integrated Systems Design
- Market value
- $13.6B
- Price history
- 2,515 daily closes, Oct 20, 2016 to Oct 22, 2026
LDOS Leidos Holdings Inc.
- Listing
- NYSE · SEC CIK 1336920
- Industry
- EDP Services · SIC 7373 Services-Computer Integrated Systems Design
- Market value
- $15.8B
- 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 CACI and LDOS
| Pair | Status | Ahead now | Industry |
|---|---|---|---|
| IOT / LDOS | Watchlist | IOT by 1.28 sd | SIC 7373 Services-Computer Integrated Systems Design |
| IOT / CACI | Watchlist | IOT by 0.97 sd | SIC 7373 Services-Computer Integrated Systems Design |
Follow the research behind the paper book
Boostio is a research-first platform in private beta: crypto candidates, daily market stories, public paper trading and now rival stocks. Exploring these pages stays free and open.
Explore the private betaPaper only: hypothetical paired positions with modelled costs. No broker, no orders, no real money. A historical simulation is a diagnostic, not proof of an edge. Not investment advice.
