Infosys Limited vs Zscaler Inc.
Why these are rivals: #1 and #2 by market value ($49B vs $35B) with SEC SIC 7371 (Services-Computer Programming Services).
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: 0.24 (needs >= 0.60)
- Mean reversion: ADF t-statistic of the spread: -1.59 (needs <= -2.873 (5% critical value))
Business size
Annual revenue reported to the SEC. Scale, not market share.
| Year | INFY | ZS | Larger |
|---|---|---|---|
| 2025 | - | $2.7B | - |
| 2024 | - | $2.2B | - |
| 2023 | - | $1.6B | - |
| 2022 | - | $1.1B | - |
| 2021 | - | $673M | - |
| 2020 | - | $431M | - |
Market value: INFY $49.5B, ZS $34.7B.
ZS is ahead now
Measured against the pair's own last 252 trading days.
ZS leads INFY by 1.44 standard deviations: +36.1% over its usual price ratio. 2 lead switches in the last year.
| Price change | 3 mo | 6 mo | 12 mo |
|---|---|---|---|
| INFY | +19.0% | +2.2% | -24.1% |
| ZS | +67.1% | +78.8% | -23.4% |
Not a measured twin today
Only these tests can make a pair tradable on paper.
- Pass
- Aligned sessions: 2163 (needs >= 254)
- Fail
- Co-movement: daily return correlation, 252 sessions: 0.24 (needs >= 0.60)
- Fail
- Mean reversion: ADF t-statistic of the spread: -1.58 (needs <= -2.873 (5% critical value))
- Pass
- Speed: half-life of the spread, sessions: 30.65 (needs <= 63)
- Data
- Both stocks current
Prices side by side, and the gap between them
Data table (504 sessions)
| Date | INFY index | ZS index | z | Ahead |
|---|---|---|---|---|
| 2026-10-22 | 58.73 | 125.13 | -1.44 | ZS ahead |
| 2026-10-21 | 56.64 | 121.75 | -1.48 | ZS ahead |
| 2026-10-20 | 56.24 | 112.89 | -1.15 | ZS ahead |
| 2026-10-19 | 54.20 | 111.85 | -1.28 | ZS ahead |
| 2026-10-16 | 54.38 | 109.14 | -1.15 | ZS ahead |
| 2026-10-15 | 53.89 | 116.01 | -1.47 | ZS ahead |
| 2026-10-14 | 51.00 | 116.20 | -1.74 | ZS ahead |
| 2026-10-13 | 50.64 | 120.34 | -1.94 | ZS ahead |
| 2026-10-12 | 48.11 | 118.83 | -2.13 | ZS ahead |
| 2026-10-09 | 47.67 | 123.01 | -2.35 | ZS ahead |
| 2026-10-08 | 47.53 | 114.10 | -2.02 | ZS ahead |
| 2026-10-07 | 46.87 | 112.39 | -2.02 | ZS ahead |
| 2026-10-06 | 46.87 | 111.70 | -2.00 | ZS ahead |
| 2026-10-05 | 47.80 | 106.20 | -1.67 | ZS ahead |
| 2026-10-02 | 49.04 | 103.47 | -1.42 | ZS ahead |
| 2026-10-01 | 50.42 | 104.62 | -1.34 | ZS ahead |
| 2026-09-30 | 47.80 | 104.95 | -1.60 | ZS ahead |
| 2026-09-29 | 47.27 | 104.39 | -1.64 | ZS ahead |
| 2026-09-28 | 46.73 | 104.94 | -1.72 | ZS ahead |
| 2026-09-25 | 46.65 | 101.60 | -1.58 | ZS ahead |
| 2026-09-24 | 46.65 | 112.96 | -2.10 | ZS ahead |
| 2026-09-23 | 47.76 | 112.86 | -2.00 | ZS ahead |
| 2026-09-22 | 47.80 | 110.62 | -1.90 | ZS ahead |
| 2026-09-21 | 48.38 | 109.01 | -1.79 | ZS ahead |
| 2026-09-18 | 48.07 | 103.84 | -1.59 | ZS ahead |
| 2026-09-17 | 49.18 | 103.93 | -1.49 | ZS ahead |
| 2026-09-16 | 49.22 | 100.83 | -1.34 | ZS ahead |
| 2026-09-15 | 50.29 | 102.04 | -1.29 | ZS ahead |
| 2026-09-14 | 51.53 | 100.91 | -1.12 | ZS ahead |
| 2026-09-11 | 49.18 | 86.60 | -0.60 | ZS ahead |
| 2026-09-10 | 48.47 | 86.04 | -0.63 | ZS ahead |
| 2026-09-09 | 48.56 | 87.42 | -0.70 | ZS ahead |
| 2026-09-08 | 49.44 | 85.23 | -0.48 | near the usual relationship |
| 2026-09-04 | 51.98 | 89.36 | -0.47 | near the usual relationship |
| 2026-09-03 | 53.71 | 93.57 | -0.53 | ZS ahead |
| 2026-09-02 | 53.18 | 90.91 | -0.44 | near the usual relationship |
| 2026-09-01 | 53.31 | 93.87 | -0.58 | ZS ahead |
| 2026-08-31 | 53.58 | 99.14 | -0.81 | ZS ahead |
| 2026-08-28 | 53.53 | 96.96 | -0.71 | ZS ahead |
| 2026-08-27 | 52.87 | 98.57 | -0.85 | ZS ahead |
| 2026-08-26 | 51.93 | 89.63 | -0.48 | near the usual relationship |
| 2026-08-25 | 53.44 | 88.64 | -0.28 | near the usual relationship |
| 2026-08-24 | 52.51 | 92.66 | -0.58 | ZS ahead |
| 2026-08-21 | 53.04 | 95.65 | -0.68 | ZS ahead |
| 2026-08-20 | 52.55 | 92.07 | -0.54 | ZS ahead |
| 2026-08-19 | 53.44 | 97.15 | -0.71 | ZS ahead |
| 2026-08-18 | 52.55 | 97.73 | -0.82 | ZS ahead |
| 2026-08-17 | 51.62 | 97.07 | -0.87 | ZS ahead |
| 2026-08-14 | 53.71 | 96.63 | -0.66 | ZS ahead |
| 2026-08-13 | 55.13 | 99.04 | -0.65 | ZS ahead |
| 2026-08-12 | 54.55 | 93.32 | -0.41 | near the usual relationship |
| 2026-08-11 | 55.98 | 93.97 | -0.32 | near the usual relationship |
| 2026-08-10 | 55.80 | 92.98 | -0.28 | near the usual relationship |
| 2026-08-07 | 55.66 | 88.77 | -0.07 | near the usual relationship |
| 2026-08-06 | 54.91 | 85.57 | +0.05 | near the usual relationship |
| 2026-08-05 | 55.44 | 85.07 | +0.13 | near the usual relationship |
| 2026-08-04 | 55.98 | 85.90 | +0.13 | near the usual relationship |
| 2026-08-03 | 54.42 | 81.29 | +0.26 | near the usual relationship |
| 2026-07-31 | 53.44 | 79.57 | +0.28 | near the usual relationship |
| 2026-07-30 | 53.09 | 78.10 | +0.34 | near the usual relationship |
| 2026-07-29 | 55.98 | 80.93 | +0.43 | near the usual relationship |
| 2026-07-28 | 54.86 | 79.80 | +0.40 | near the usual relationship |
| 2026-07-27 | 51.98 | 77.52 | +0.29 | near the usual relationship |
| 2026-07-24 | 49.36 | 74.90 | +0.21 | near the usual relationship |
| 2026-07-23 | 47.40 | 73.52 | +0.12 | near the usual relationship |
| 2026-07-22 | 48.56 | 74.87 | +0.15 | near the usual relationship |
| 2026-07-21 | 49.58 | 78.27 | +0.04 | near the usual relationship |
| 2026-07-20 | 50.24 | 78.85 | +0.07 | near the usual relationship |
| 2026-07-17 | 51.04 | 78.91 | +0.14 | near the usual relationship |
| 2026-07-16 | 51.22 | 77.06 | +0.27 | near the usual relationship |
| 2026-07-15 | 49.04 | 77.99 | +0.02 | near the usual relationship |
| 2026-07-14 | 49.09 | 80.04 | -0.09 | near the usual relationship |
| 2026-07-13 | 51.09 | 74.64 | +0.42 | near the usual relationship |
| 2026-07-10 | 48.60 | 73.30 | +0.28 | near the usual relationship |
| 2026-07-09 | 49.44 | 77.43 | +0.11 | near the usual relationship |
| 2026-07-08 | 48.56 | 75.55 | +0.14 | near the usual relationship |
| 2026-07-07 | 50.07 | 78.68 | +0.10 | near the usual relationship |
| 2026-07-06 | 48.33 | 79.16 | -0.08 | near the usual relationship |
| 2026-07-02 | 49.58 | 77.54 | +0.13 | near the usual relationship |
| 2026-07-01 | 47.31 | 77.07 | -0.05 | near the usual relationship |
| 2026-06-30 | 46.60 | 74.29 | +0.05 | near the usual relationship |
| 2026-06-29 | 47.53 | 72.42 | +0.26 | near the usual relationship |
| 2026-06-26 | 47.89 | 69.61 | +0.47 | near the usual relationship |
| 2026-06-25 | 46.96 | 65.15 | +0.69 | INFY ahead |
| 2026-06-24 | 48.56 | 66.98 | +0.72 | INFY ahead |
| 2026-06-23 | 47.93 | 66.40 | +0.71 | INFY ahead |
| 2026-06-22 | 47.85 | 65.29 | +0.78 | INFY ahead |
| 2026-06-18 | 46.96 | 65.71 | +0.67 | INFY ahead |
| 2026-06-17 | 51.98 | 65.46 | +1.15 | INFY ahead |
| 2026-06-16 | 53.18 | 66.96 | +1.16 | INFY ahead |
| 2026-06-15 | 51.53 | 68.64 | +0.92 | INFY ahead |
| 2026-06-12 | 52.15 | 68.16 | +1.01 | INFY ahead |
| 2026-06-11 | 51.53 | 66.37 | +1.09 | INFY ahead |
| 2026-06-10 | 52.24 | 65.64 | +1.21 | INFY ahead |
| 2026-06-09 | 54.38 | 66.23 | +1.36 | INFY ahead |
| 2026-06-08 | 54.55 | 68.02 | +1.26 | INFY ahead |
| 2026-06-05 | 55.09 | 68.83 | +1.26 | INFY ahead |
| 2026-06-04 | 55.84 | 71.19 | +1.18 | INFY ahead |
| 2026-06-03 | 55.35 | 70.72 | +1.18 | INFY ahead |
| 2026-06-02 | 58.11 | 75.86 | +1.09 | INFY ahead |
| 2026-06-01 | 59.57 | 81.95 | +0.86 | INFY ahead |
| 2026-05-29 | 56.20 | 73.54 | +1.09 | INFY ahead |
| 2026-05-28 | 56.42 | 68.44 | +1.45 | INFY ahead |
| 2026-05-27 | 55.04 | 66.53 | +1.48 | INFY ahead |
| 2026-05-26 | 53.67 | 97.15 | -0.38 | near the usual relationship |
| 2026-05-22 | 56.29 | 95.98 | -0.11 | near the usual relationship |
| 2026-05-21 | 56.15 | 90.00 | +0.18 | near the usual relationship |
| 2026-05-20 | 56.73 | 91.81 | +0.13 | near the usual relationship |
| 2026-05-19 | 56.51 | 92.23 | +0.10 | near the usual relationship |
| 2026-05-18 | 55.93 | 91.94 | +0.06 | near the usual relationship |
| 2026-05-15 | 53.62 | 84.76 | +0.24 | near the usual relationship |
| 2026-05-14 | 51.80 | 80.89 | +0.30 | near the usual relationship |
| 2026-05-13 | 52.69 | 80.22 | +0.41 | near the usual relationship |
| 2026-05-12 | 53.53 | 76.93 | +0.68 | INFY ahead |
| 2026-05-11 | 54.64 | 78.35 | +0.70 | INFY ahead |
| 2026-05-08 | 57.00 | 80.06 | +0.79 | INFY ahead |
| 2026-05-07 | 55.84 | 80.41 | +0.68 | INFY ahead |
| 2026-05-06 | 56.15 | 73.06 | +1.15 | INFY ahead |
| 2026-05-05 | 55.35 | 74.40 | +1.01 | INFY ahead |
| 2026-05-04 | 54.38 | 74.84 | +0.90 | INFY ahead |
| 2026-05-01 | 55.44 | 73.58 | +1.07 | INFY ahead |
| 2026-04-30 | 55.35 | 68.78 | +1.39 | INFY ahead |
| 2026-04-29 | 54.82 | 70.91 | +1.21 | INFY ahead |
| 2026-04-28 | 54.42 | 71.61 | +1.13 | INFY ahead |
| 2026-04-27 | 54.55 | 70.58 | +1.21 | INFY ahead |
| 2026-04-24 | 57.13 | 71.31 | +1.39 | INFY ahead |
| 2026-04-23 | 57.49 | 69.98 | +1.51 | INFY ahead |
| 2026-04-22 | 59.88 | 75.08 | +1.38 | INFY ahead |
| 2026-04-21 | 62.51 | 73.48 | +1.69 | INFY ahead |
| 2026-04-20 | 63.13 | 70.94 | +1.92 | INFY ahead |
| 2026-04-17 | 64.24 | 70.88 | +2.03 | INFY ahead |
| 2026-04-16 | 63.88 | 70.70 | +2.03 | INFY ahead |
| 2026-04-15 | 63.57 | 68.95 | +2.15 | INFY ahead |
| 2026-04-14 | 61.93 | 64.57 | +2.37 | INFY ahead |
| 2026-04-13 | 62.06 | 64.53 | +2.41 | INFY ahead |
| 2026-04-10 | 59.04 | 62.13 | +2.37 | INFY ahead |
| 2026-04-09 | 61.13 | 64.33 | +2.39 | INFY ahead |
| 2026-04-08 | 62.19 | 72.55 | +1.88 | INFY ahead |
| 2026-04-07 | 62.02 | 74.78 | +1.72 | INFY ahead |
| 2026-04-06 | 60.86 | 73.43 | +1.72 | INFY ahead |
| 2026-04-02 | 61.04 | 72.92 | +1.78 | INFY ahead |
| 2026-04-01 | 59.08 | 71.93 | +1.69 | INFY ahead |
| 2026-03-31 | 60.02 | 73.83 | +1.64 | INFY ahead |
| 2026-03-30 | 58.86 | 72.24 | +1.66 | INFY ahead |
| 2026-03-27 | 57.00 | 70.08 | +1.66 | INFY ahead |
| 2026-03-26 | 58.46 | 74.47 | +1.48 | INFY ahead |
| 2026-03-25 | 58.51 | 73.39 | +1.56 | INFY ahead |
| 2026-03-24 | 58.11 | 73.37 | +1.53 | INFY ahead |
| 2026-03-23 | 59.08 | 79.89 | +1.18 | INFY ahead |
| 2026-03-20 | 58.29 | 79.72 | +1.11 | INFY ahead |
| 2026-03-19 | 57.97 | 81.79 | +0.95 | INFY ahead |
| 2026-03-18 | 57.40 | 82.10 | +0.88 | INFY ahead |
| 2026-03-17 | 58.64 | 82.10 | +0.98 | INFY ahead |
| 2026-03-16 | 58.91 | 80.89 | +1.08 | INFY ahead |
| 2026-03-13 | 58.95 | 80.92 | +1.07 | INFY ahead |
| 2026-03-12 | 59.71 | 79.79 | +1.21 | INFY ahead |
| 2026-03-11 | 61.62 | 80.95 | +1.29 | INFY ahead |
| 2026-03-10 | 62.37 | 82.42 | +1.25 | INFY ahead |
| 2026-03-09 | 64.06 | 85.58 | +1.19 | INFY ahead |
| 2026-03-06 | 64.15 | 86.34 | +1.15 | INFY ahead |
| 2026-03-05 | 63.97 | 85.24 | +1.19 | INFY ahead |
| 2026-03-04 | 63.66 | 82.21 | +1.34 | INFY ahead |
| 2026-03-03 | 63.17 | 81.40 | +1.34 | INFY ahead |
| 2026-03-02 | 63.04 | 78.20 | +1.52 | INFY ahead |
| 2026-02-27 | 64.15 | 77.36 | +1.66 | INFY ahead |
| 2026-02-26 | 65.30 | 88.08 | +1.09 | INFY ahead |
| 2026-02-25 | 63.26 | 81.94 | +1.28 | INFY ahead |
| 2026-02-24 | 61.48 | 78.61 | +1.34 | INFY ahead |
| 2026-02-23 | 61.79 | 75.41 | +1.56 | INFY ahead |
| 2026-02-20 | 65.08 | 84.07 | +1.28 | INFY ahead |
| 2026-02-19 | 64.64 | 88.94 | +0.97 | INFY ahead |
| 2026-02-18 | 66.86 | 90.59 | +1.04 | INFY ahead |
| 2026-02-17 | 65.53 | 90.83 | +0.92 | INFY ahead |
| 2026-02-13 | 65.39 | 93.53 | +0.76 | INFY ahead |
| 2026-02-12 | 63.13 | 89.94 | +0.77 | INFY ahead |
| 2026-02-11 | 70.01 | 90.00 | +1.25 | INFY ahead |
| 2026-02-10 | 73.79 | 91.75 | +1.40 | INFY ahead |
| 2026-02-09 | 72.46 | 89.56 | +1.42 | INFY ahead |
| 2026-02-06 | 74.81 | 88.06 | +1.64 | INFY ahead |
| 2026-02-05 | 74.63 | 89.15 | +1.57 | INFY ahead |
| 2026-02-04 | 74.37 | 97.78 | +1.11 | INFY ahead |
| 2026-02-03 | 76.94 | 98.97 | +1.20 | INFY ahead |
| 2026-02-02 | 81.47 | 105.58 | +1.16 | INFY ahead |
| 2026-01-30 | 78.10 | 105.26 | +0.97 | INFY ahead |
| 2026-01-29 | 78.85 | 105.59 | +0.99 | INFY ahead |
| 2026-01-28 | 79.65 | 112.60 | +0.74 | INFY ahead |
| 2026-01-27 | 81.08 | 115.61 | +0.69 | INFY ahead |
| 2026-01-26 | 82.41 | 112.92 | +0.86 | INFY ahead |
| 2026-01-23 | 81.03 | 110.32 | +0.87 | INFY ahead |
| 2026-01-22 | 81.25 | 109.63 | +0.91 | INFY ahead |
| 2026-01-21 | 81.34 | 109.82 | +0.89 | INFY ahead |
| 2026-01-20 | 80.90 | 108.58 | +0.91 | INFY ahead |
| 2026-01-16 | 82.76 | 112.62 | +0.84 | INFY ahead |
| 2026-01-15 | 83.61 | 110.83 | +0.93 | INFY ahead |
| 2026-01-14 | 85.96 | 112.77 | +0.97 | INFY ahead |
| 2026-01-13 | 77.83 | 114.12 | +0.49 | near the usual relationship |
| 2026-01-12 | 79.08 | 114.01 | +0.54 | INFY ahead |
| 2026-01-09 | 79.21 | 114.06 | +0.54 | INFY ahead |
| 2026-01-08 | 80.14 | 115.95 | +0.51 | INFY ahead |
| 2026-01-07 | 80.99 | 121.66 | +0.35 | near the usual relationship |
| 2026-01-06 | 80.41 | 116.85 | +0.47 | near the usual relationship |
| 2026-01-05 | 78.54 | 117.24 | +0.35 | near the usual relationship |
| 2026-01-02 | 80.63 | 116.08 | +0.49 | near the usual relationship |
| 2025-12-31 | 79.16 | 118.37 | +0.33 | near the usual relationship |
| 2025-12-30 | 80.14 | 119.69 | +0.32 | near the usual relationship |
| 2025-12-29 | 81.87 | 120.00 | +0.39 | near the usual relationship |
| 2025-12-26 | 83.47 | 121.32 | +0.41 | near the usual relationship |
| 2025-12-24 | 82.94 | 120.84 | +0.39 | near the usual relationship |
| 2025-12-23 | 82.50 | 120.69 | +0.37 | near the usual relationship |
| 2025-12-22 | 85.12 | 122.13 | +0.43 | near the usual relationship |
| 2025-12-19 | 89.83 | 122.39 | +0.62 | INFY ahead |
| 2025-12-18 | 85.21 | 121.62 | +0.44 | near the usual relationship |
| 2025-12-17 | 80.94 | 119.17 | +0.31 | near the usual relationship |
| 2025-12-16 | 78.94 | 122.51 | +0.11 | near the usual relationship |
| 2025-12-15 | 78.99 | 121.21 | +0.15 | near the usual relationship |
| 2025-12-12 | 78.99 | 124.35 | +0.05 | near the usual relationship |
| 2025-12-11 | 79.08 | 127.40 | -0.04 | near the usual relationship |
| 2025-12-10 | 80.28 | 128.04 | -0.01 | near the usual relationship |
| 2025-12-09 | 78.85 | 127.89 | -0.08 | near the usual relationship |
| 2025-12-08 | 78.72 | 128.88 | -0.11 | near the usual relationship |
| 2025-12-05 | 80.28 | 127.72 | -0.02 | near the usual relationship |
| 2025-12-04 | 81.25 | 127.28 | +0.03 | near the usual relationship |
| 2025-12-03 | 78.45 | 128.24 | -0.12 | near the usual relationship |
| 2025-12-02 | 77.34 | 127.19 | -0.15 | near the usual relationship |
| 2025-12-01 | 77.52 | 128.04 | -0.17 | near the usual relationship |
| 2025-11-28 | 77.65 | 132.36 | -0.29 | near the usual relationship |
| 2025-11-26 | 77.39 | 132.61 | -0.31 | near the usual relationship |
| 2025-11-25 | 76.77 | 152.48 | -0.83 | ZS ahead |
| 2025-11-24 | 76.72 | 147.54 | -0.73 | ZS ahead |
| 2025-11-21 | 78.63 | 144.73 | -0.58 | ZS ahead |
| 2025-11-20 | 76.10 | 147.22 | -0.76 | ZS ahead |
| 2025-11-19 | 76.90 | 153.58 | -0.88 | ZS ahead |
| 2025-11-18 | 75.30 | 154.26 | -0.97 | ZS ahead |
| 2025-11-17 | 74.50 | 155.21 | -1.04 | ZS ahead |
| 2025-11-14 | 73.97 | 157.60 | -1.13 | ZS ahead |
| 2025-11-13 | 75.34 | 162.41 | -1.17 | ZS ahead |
| 2025-11-12 | 75.92 | 166.88 | -1.25 | ZS ahead |
| 2025-11-11 | 75.57 | 174.35 | -1.43 | ZS ahead |
| 2025-11-10 | 74.46 | 173.10 | -1.47 | ZS ahead |
| 2025-11-07 | 73.30 | 168.42 | -1.44 | ZS ahead |
| 2025-11-06 | 71.88 | 167.32 | -1.50 | ZS ahead |
| 2025-11-05 | 72.95 | 170.46 | -1.53 | ZS ahead |
| 2025-11-04 | 72.41 | 172.78 | -1.61 | ZS ahead |
| 2025-11-03 | 72.90 | 176.97 | -1.69 | ZS ahead |
| 2025-10-31 | 73.61 | 174.28 | -1.62 | ZS ahead |
| 2025-10-30 | 73.92 | 169.49 | -1.52 | ZS ahead |
| 2025-10-29 | 74.99 | 168.92 | -1.47 | ZS ahead |
| 2025-10-28 | 75.03 | 173.14 | -1.56 | ZS ahead |
| 2025-10-27 | 75.70 | 171.74 | -1.52 | ZS ahead |
| 2025-10-24 | 77.65 | 169.99 | -1.40 | ZS ahead |
| 2025-10-23 | 77.88 | 167.76 | -1.36 | ZS ahead |
| 2025-10-22 | 77.61 | 162.05 | -1.26 | ZS ahead |
| 2025-10-21 | 77.34 | 163.34 | -1.31 | ZS ahead |
| 2025-10-20 | 75.12 | 160.99 | -1.37 | ZS ahead |
| 2025-10-17 | 72.55 | 158.02 | -1.44 | ZS ahead |
| 2025-10-16 | 71.39 | 157.49 | -1.50 | ZS ahead |
| 2025-10-15 | 73.03 | 159.12 | -1.46 | ZS ahead |
| 2025-10-14 | 73.21 | 158.83 | -1.46 | ZS ahead |
| 2025-10-13 | 74.54 | 164.75 | -1.54 | ZS ahead |
| 2025-10-10 | 73.66 | 163.09 | -1.56 | ZS ahead |
| 2025-10-09 | 75.79 | 165.89 | -1.53 | ZS ahead |
| 2025-10-08 | 74.37 | 165.20 | -1.59 | ZS ahead |
| 2025-10-07 | 72.81 | 154.07 | -1.43 | ZS ahead |
| 2025-10-06 | 74.14 | 160.64 | -1.53 | ZS ahead |
| 2025-10-03 | 72.10 | 160.73 | -1.64 | ZS ahead |
| 2025-10-02 | 71.75 | 161.88 | -1.70 | ZS ahead |
| 2025-10-01 | 72.72 | 160.27 | -1.63 | ZS ahead |
| 2025-09-30 | 72.28 | 157.71 | -1.61 | ZS ahead |
| 2025-09-29 | 72.50 | 156.25 | -1.58 | ZS ahead |
| 2025-09-26 | 73.39 | 155.07 | -1.52 | ZS ahead |
| 2025-09-25 | 73.48 | 150.87 | -1.43 | ZS ahead |
| 2025-09-24 | 75.66 | 149.69 | -1.31 | ZS ahead |
| 2025-09-23 | 74.99 | 152.25 | -1.41 | ZS ahead |
| 2025-09-22 | 76.19 | 153.45 | -1.39 | ZS ahead |
| 2025-09-19 | 75.39 | 154.87 | -1.47 | ZS ahead |
| 2025-09-18 | 78.05 | 153.21 | -1.32 | ZS ahead |
| 2025-09-17 | 78.54 | 147.08 | -1.17 | ZS ahead |
| 2025-09-16 | 75.79 | 148.39 | -1.33 | ZS ahead |
| 2025-09-15 | 75.17 | 150.34 | -1.42 | ZS ahead |
| 2025-09-12 | 75.34 | 149.04 | -1.39 | ZS ahead |
| 2025-09-11 | 75.83 | 150.87 | -1.42 | ZS ahead |
| 2025-09-10 | 75.43 | 146.72 | -1.35 | ZS ahead |
| 2025-09-09 | 75.57 | 148.57 | -1.40 | ZS ahead |
| 2025-09-08 | 74.59 | 148.20 | -1.44 | ZS ahead |
| 2025-09-05 | 72.77 | 144.31 | -1.45 | ZS ahead |
| 2025-09-04 | 73.70 | 141.18 | -1.34 | ZS ahead |
| 2025-09-03 | 73.92 | 142.40 | -1.37 | ZS ahead |
| 2025-09-02 | 75.03 | 144.50 | -1.38 | ZS ahead |
| 2025-08-29 | 74.72 | 145.81 | -1.44 | ZS ahead |
| 2025-08-28 | 75.52 | 147.58 | -1.46 | ZS ahead |
| 2025-08-27 | 77.12 | 143.71 | -1.30 | ZS ahead |
| 2025-08-26 | 76.50 | 140.88 | -1.27 | ZS ahead |
| 2025-08-25 | 76.99 | 141.92 | -1.29 | ZS ahead |
| 2025-08-22 | 77.03 | 143.42 | -1.33 | ZS ahead |
| 2025-08-21 | 75.74 | 142.28 | -1.38 | ZS ahead |
| 2025-08-20 | 75.57 | 144.10 | -1.44 | ZS ahead |
| 2025-08-19 | 73.75 | 144.69 | -1.56 | ZS ahead |
| 2025-08-18 | 72.90 | 145.80 | -1.65 | ZS ahead |
| 2025-08-15 | 73.57 | 144.71 | -1.60 | ZS ahead |
| 2025-08-14 | 72.68 | 142.62 | -1.61 | ZS ahead |
| 2025-08-13 | 72.77 | 146.19 | -1.71 | ZS ahead |
| 2025-08-12 | 71.39 | 144.96 | -1.77 | ZS ahead |
| 2025-08-11 | 70.99 | 142.72 | -1.75 | ZS ahead |
| 2025-08-08 | 71.04 | 141.94 | -1.74 | ZS ahead |
| 2025-08-07 | 71.17 | 143.41 | -1.79 | ZS ahead |
| 2025-08-06 | 71.39 | 152.27 | -2.03 | ZS ahead |
| 2025-08-05 | 71.97 | 148.39 | -1.92 | ZS ahead |
| 2025-08-04 | 73.21 | 150.44 | -1.93 | ZS ahead |
| 2025-08-01 | 72.90 | 147.50 | -1.89 | ZS ahead |
| 2025-07-31 | 74.28 | 150.29 | -1.92 | ZS ahead |
| 2025-07-30 | 75.30 | 151.43 | -1.91 | ZS ahead |
| 2025-07-29 | 76.45 | 152.66 | -1.91 | ZS ahead |
| 2025-07-28 | 76.23 | 152.12 | -1.93 | ZS ahead |
| 2025-07-25 | 77.17 | 150.62 | -1.87 | ZS ahead |
| 2025-07-24 | 78.54 | 149.62 | -1.79 | ZS ahead |
| 2025-07-23 | 81.96 | 149.13 | -1.63 | ZS ahead |
| 2025-07-22 | 81.12 | 150.37 | -1.72 | ZS ahead |
| 2025-07-21 | 80.81 | 151.80 | -1.79 | ZS ahead |
| 2025-07-18 | 80.90 | 151.95 | -1.81 | ZS ahead |
| 2025-07-17 | 82.05 | 150.67 | -1.73 | ZS ahead |
| 2025-07-16 | 82.19 | 151.44 | -1.77 | ZS ahead |
| 2025-07-15 | 80.94 | 152.04 | -1.86 | ZS ahead |
| 2025-07-14 | 80.01 | 153.22 | -1.97 | ZS ahead |
| 2025-07-11 | 80.81 | 152.49 | -1.93 | ZS ahead |
| 2025-07-10 | 80.41 | 155.88 | -2.06 | ZS ahead |
| 2025-07-09 | 83.61 | 166.57 | -2.21 | ZS ahead |
| 2025-07-08 | 83.92 | 164.43 | -2.16 | ZS ahead |
| 2025-07-07 | 83.61 | 166.02 | -2.25 | ZS ahead |
| 2025-07-03 | 84.23 | 165.66 | -2.24 | ZS ahead |
| 2025-07-02 | 83.87 | 162.80 | -2.21 | ZS ahead |
| 2025-07-01 | 83.96 | 161.74 | -2.21 | ZS ahead |
| 2025-06-30 | 82.32 | 165.22 | -2.42 | ZS ahead |
| 2025-06-27 | 82.27 | 165.95 | -2.49 | ZS ahead |
| 2025-06-26 | 82.63 | 165.18 | -2.48 | ZS ahead |
| 2025-06-25 | 82.23 | 164.19 | -2.52 | ZS ahead |
| 2025-06-24 | 81.30 | 162.34 | -2.56 | ZS ahead |
| 2025-06-23 | 80.41 | 163.39 | -2.69 | ZS ahead |
| 2025-06-20 | 78.54 | 159.43 | -2.74 | ZS ahead |
| 2025-06-18 | 81.87 | 160.73 | -2.62 | ZS ahead |
| 2025-06-17 | 82.94 | 161.73 | -2.63 | ZS ahead |
| 2025-06-16 | 83.30 | 160.53 | -2.61 | ZS ahead |
| 2025-06-13 | 81.83 | 158.91 | -2.70 | ZS ahead |
| 2025-06-12 | 82.45 | 158.64 | -2.70 | ZS ahead |
| 2025-06-11 | 82.67 | 157.81 | -2.71 | ZS ahead |
| 2025-06-10 | 82.23 | 156.82 | -2.75 | ZS ahead |
| 2025-06-09 | 81.25 | 157.83 | -2.90 | ZS ahead |
| 2025-06-06 | 80.85 | 159.48 | -3.05 | ZS ahead |
| 2025-06-05 | 79.65 | 158.35 | -3.17 | ZS ahead |
| 2025-06-04 | 79.30 | 156.23 | -3.19 | ZS ahead |
| 2025-06-03 | 80.14 | 155.27 | -3.17 | ZS ahead |
| 2025-06-02 | 80.81 | 154.30 | -3.16 | ZS ahead |
| 2025-05-30 | 80.81 | 145.10 | -2.85 | ZS ahead |
| 2025-05-29 | 82.01 | 132.16 | -2.22 | ZS ahead |
| 2025-05-28 | 81.56 | 133.49 | -2.35 | ZS ahead |
| 2025-05-27 | 82.14 | 135.41 | -2.43 | ZS ahead |
| 2025-05-23 | 80.45 | 133.73 | -2.52 | ZS ahead |
| 2025-05-22 | 80.14 | 133.06 | -2.55 | ZS ahead |
| 2025-05-21 | 80.68 | 130.90 | -2.43 | ZS ahead |
| 2025-05-20 | 81.03 | 132.60 | -2.52 | ZS ahead |
| 2025-05-19 | 81.43 | 132.92 | -2.54 | ZS ahead |
| 2025-05-16 | 81.34 | 132.36 | -2.56 | ZS ahead |
| 2025-05-15 | 83.16 | 129.42 | -2.29 | ZS ahead |
| 2025-05-14 | 82.01 | 128.65 | -2.37 | ZS ahead |
| 2025-05-13 | 81.65 | 128.94 | -2.45 | ZS ahead |
| 2025-05-12 | 82.85 | 127.09 | -2.28 | ZS ahead |
| 2025-05-09 | 77.70 | 122.66 | -2.52 | ZS ahead |
| 2025-05-08 | 77.70 | 122.70 | -2.56 | ZS ahead |
| 2025-05-07 | 78.68 | 122.91 | -2.51 | ZS ahead |
| 2025-05-06 | 78.94 | 122.68 | -2.51 | ZS ahead |
| 2025-05-05 | 79.30 | 122.61 | -2.51 | ZS ahead |
| 2025-05-02 | 79.43 | 121.29 | -2.45 | ZS ahead |
| 2025-05-01 | 78.19 | 119.50 | -2.49 | ZS ahead |
| 2025-04-30 | 78.19 | 119.03 | -2.49 | ZS ahead |
| 2025-04-29 | 78.05 | 117.81 | -2.46 | ZS ahead |
| 2025-04-28 | 76.99 | 115.71 | -2.45 | ZS ahead |
| 2025-04-25 | 77.30 | 113.46 | -2.30 | ZS ahead |
| 2025-04-24 | 77.12 | 110.59 | -2.14 | ZS ahead |
| 2025-04-23 | 76.54 | 105.57 | -1.85 | ZS ahead |
| 2025-04-22 | 74.90 | 103.43 | -1.87 | ZS ahead |
| 2025-04-21 | 73.66 | 101.94 | -1.90 | ZS ahead |
| 2025-04-17 | 71.70 | 105.83 | -2.45 | ZS ahead |
| 2025-04-16 | 73.66 | 106.77 | -2.33 | ZS ahead |
| 2025-04-15 | 75.66 | 107.70 | -2.21 | ZS ahead |
| 2025-04-14 | 75.57 | 104.96 | -2.02 | ZS ahead |
| 2025-04-11 | 74.99 | 104.25 | -2.05 | ZS ahead |
| 2025-04-10 | 75.43 | 102.82 | -1.89 | ZS ahead |
| 2025-04-09 | 78.45 | 106.37 | -1.86 | ZS ahead |
| 2025-04-08 | 72.95 | 93.17 | -1.36 | ZS ahead |
| 2025-04-07 | 74.54 | 94.76 | -1.33 | ZS ahead |
| 2025-04-04 | 73.66 | 91.93 | -1.17 | ZS ahead |
| 2025-04-03 | 77.08 | 101.16 | -1.60 | ZS ahead |
| 2025-04-02 | 81.70 | 108.96 | -1.74 | ZS ahead |
| 2025-04-01 | 80.85 | 105.82 | -1.58 | ZS ahead |
| 2025-03-31 | 81.08 | 104.43 | -1.45 | ZS ahead |
| 2025-03-28 | 80.72 | 109.02 | -1.86 | ZS ahead |
| 2025-03-27 | 82.94 | 110.23 | -1.72 | ZS ahead |
| 2025-03-26 | 82.90 | 111.34 | -1.82 | ZS ahead |
| 2025-03-25 | 83.65 | 113.54 | -1.91 | ZS ahead |
| 2025-03-24 | 82.59 | 110.45 | -1.80 | ZS ahead |
| 2025-03-21 | 81.39 | 107.99 | -1.74 | ZS ahead |
| 2025-03-20 | 80.23 | 107.13 | -1.80 | ZS ahead |
| 2025-03-19 | 82.50 | 107.34 | -1.59 | ZS ahead |
| 2025-03-18 | 81.96 | 106.09 | -1.55 | ZS ahead |
| 2025-03-17 | 82.50 | 106.65 | -1.54 | ZS ahead |
| 2025-03-14 | 81.74 | 104.11 | -1.42 | ZS ahead |
| 2025-03-13 | 81.25 | 99.77 | -1.10 | ZS ahead |
| 2025-03-12 | 82.19 | 104.09 | -1.37 | ZS ahead |
| 2025-03-11 | 84.27 | 104.92 | -1.22 | ZS ahead |
| 2025-03-10 | 86.36 | 102.46 | -0.80 | ZS ahead |
| 2025-03-07 | 88.23 | 109.87 | -1.22 | ZS ahead |
| 2025-03-06 | 87.74 | 106.39 | -0.98 | ZS ahead |
| 2025-03-05 | 89.12 | 103.39 | -0.59 | ZS ahead |
| 2025-03-04 | 87.56 | 102.01 | -0.61 | ZS ahead |
| 2025-03-03 | 88.09 | 99.36 | -0.32 | near the usual relationship |
| 2025-02-28 | 89.29 | 103.27 | -0.52 | ZS ahead |
| 2025-02-27 | 91.07 | 101.06 | -0.16 | near the usual relationship |
| 2025-02-26 | 92.27 | 103.06 | -0.21 | near the usual relationship |
| 2025-02-25 | 92.27 | 101.59 | -0.08 | near the usual relationship |
| 2025-02-24 | 92.54 | 103.71 | -0.22 | near the usual relationship |
| 2025-02-21 | 94.05 | 104.50 | -0.14 | near the usual relationship |
| 2025-02-20 | 94.85 | 108.93 | -0.40 | near the usual relationship |
| 2025-02-19 | 94.22 | 112.98 | -0.73 | ZS ahead |
| 2025-02-18 | 95.11 | 114.14 | -0.72 | ZS ahead |
| 2025-02-14 | 95.82 | 111.94 | -0.50 | ZS ahead |
| 2025-02-13 | 96.58 | 113.07 | -0.50 | ZS ahead |
| 2025-02-12 | 96.62 | 111.12 | -0.35 | near the usual relationship |
| 2025-02-11 | 97.60 | 110.12 | -0.20 | near the usual relationship |
| 2025-02-10 | 97.16 | 111.85 | -0.34 | near the usual relationship |
| 2025-02-07 | 96.98 | 108.17 | -0.10 | near the usual relationship |
| 2025-02-06 | 98.80 | 107.48 | +0.09 | near the usual relationship |
| 2025-02-05 | 99.11 | 107.88 | +0.10 | near the usual relationship |
| 2025-02-04 | 99.42 | 107.22 | +0.17 | near the usual relationship |
| 2025-02-03 | 97.69 | 105.26 | +0.18 | near the usual relationship |
| 2025-01-31 | 97.51 | 106.62 | +0.09 | near the usual relationship |
| 2025-01-30 | 96.93 | 106.75 | +0.04 | near the usual relationship |
| 2025-01-29 | 96.40 | 106.12 | +0.05 | near the usual relationship |
| 2025-01-28 | 95.65 | 107.72 | -0.11 | near the usual relationship |
| 2025-01-27 | 95.69 | 100.65 | +0.39 | near the usual relationship |
| 2025-01-24 | 96.31 | 101.82 | +0.36 | near the usual relationship |
| 2025-01-23 | 96.76 | 101.42 | +0.42 | near the usual relationship |
| 2025-01-22 | 96.00 | 101.54 | +0.37 | near the usual relationship |
| 2025-01-21 | 93.96 | 100.95 | +0.26 | near the usual relationship |
| 2025-01-17 | 94.14 | 98.72 | +0.44 | near the usual relationship |
| 2025-01-16 | 95.82 | 98.71 | +0.56 | INFY ahead |
| 2025-01-15 | 101.69 | 99.99 | +0.89 | INFY ahead |
| 2025-01-14 | 100.00 | 97.20 | +0.98 | INFY ahead |
| 2025-01-13 | 100.80 | 98.15 | +0.97 | INFY ahead |
| 2025-01-10 | 100.84 | 99.98 | +0.85 | INFY ahead |
| 2025-01-08 | 101.20 | 98.56 | +0.98 | INFY ahead |
| 2025-01-07 | 100.44 | 96.78 | +1.06 | INFY ahead |
| 2025-01-06 | 101.07 | 99.32 | +0.94 | INFY ahead |
| 2025-01-03 | 100.53 | 97.81 | +1.01 | INFY ahead |
| 2025-01-02 | 100.49 | 95.61 | +1.17 | INFY ahead |
| 2024-12-31 | 97.38 | 94.95 | +1.01 | INFY ahead |
| 2024-12-30 | 98.18 | 96.38 | +0.98 | INFY ahead |
| 2024-12-27 | 99.87 | 97.13 | +1.05 | INFY ahead |
| 2024-12-26 | 100.58 | 98.75 | +0.99 | INFY ahead |
| 2024-12-24 | 101.16 | 98.55 | +1.05 | INFY ahead |
| 2024-12-23 | 101.20 | 97.86 | +1.11 | INFY ahead |
| 2024-12-20 | 100.98 | 98.62 | +1.05 | INFY ahead |
| 2024-12-19 | 104.04 | 96.42 | +1.41 | INFY ahead |
| 2024-12-18 | 100.62 | 97.73 | +1.11 | INFY ahead |
| 2024-12-17 | 102.75 | 105.49 | +0.75 | INFY ahead |
| 2024-12-16 | 103.73 | 107.58 | +0.69 | INFY ahead |
| 2024-12-13 | 103.95 | 104.49 | +0.90 | INFY ahead |
| 2024-12-12 | 103.29 | 108.60 | +0.61 | INFY ahead |
| 2024-12-11 | 103.78 | 109.43 | +0.60 | INFY ahead |
| 2024-12-10 | 103.24 | 105.99 | +0.78 | INFY ahead |
| 2024-12-09 | 102.89 | 108.48 | +0.61 | INFY ahead |
| 2024-12-06 | 101.55 | 111.57 | +0.35 | near the usual relationship |
| 2024-12-05 | 101.55 | 108.21 | +0.55 | INFY ahead |
| 2024-12-04 | 100.04 | 108.60 | +0.44 | near the usual relationship |
| 2024-12-03 | 98.27 | 104.54 | +0.57 | INFY ahead |
| 2024-12-02 | 98.62 | 109.74 | +0.29 | near the usual relationship |
| 2024-11-29 | 98.05 | 108.73 | +0.31 | near the usual relationship |
| 2024-11-27 | 101.02 | 107.87 | +0.56 | INFY ahead |
| 2024-11-26 | 102.98 | 110.68 | +0.52 | INFY ahead |
| 2024-11-25 | 101.47 | 110.74 | +0.43 | near the usual relationship |
| 2024-11-22 | 101.24 | 111.03 | +0.40 | near the usual relationship |
| 2024-11-21 | 97.56 | 109.10 | +0.28 | near the usual relationship |
| 2024-11-20 | 97.69 | 105.75 | +0.49 | near the usual relationship |
| 2024-11-19 | 96.53 | 107.55 | +0.31 | near the usual relationship |
| 2024-11-18 | 95.96 | 106.76 | +0.32 | near the usual relationship |
| 2024-11-15 | 95.65 | 106.03 | +0.35 | near the usual relationship |
| 2024-11-14 | 96.93 | 109.73 | +0.22 | near the usual relationship |
| 2024-11-13 | 97.91 | 110.44 | +0.24 | near the usual relationship |
| 2024-11-12 | 97.82 | 110.02 | +0.27 | near the usual relationship |
| 2024-11-11 | 97.91 | 105.02 | +0.57 | INFY ahead |
| 2024-11-08 | 96.62 | 103.01 | +0.62 | INFY ahead |
| 2024-11-07 | 96.18 | 103.53 | +0.56 | INFY ahead |
| 2024-11-06 | 95.07 | 101.59 | +0.61 | INFY ahead |
| 2024-11-05 | 92.00 | 98.37 | +0.61 | INFY ahead |
| 2024-11-04 | 92.05 | 97.31 | +0.68 | INFY ahead |
| 2024-11-01 | 92.23 | 96.09 | +0.78 | INFY ahead |
| 2024-10-31 | 92.89 | 95.15 | +0.89 | INFY ahead |
| 2024-10-30 | 93.82 | 98.30 | +0.75 | INFY ahead |
| 2024-10-29 | 96.71 | 99.92 | +0.84 | INFY ahead |
| 2024-10-28 | 98.05 | 98.42 | +1.03 | INFY ahead |
| 2024-10-25 | 97.25 | 97.34 | +1.06 | INFY ahead |
| 2024-10-24 | 97.96 | 96.80 | +1.15 | INFY ahead |
| 2024-10-23 | 98.67 | 95.26 | +1.31 | INFY ahead |
| 2024-10-22 | 98.45 | 97.97 | +1.11 | INFY ahead |
| 2024-10-21 | 98.62 | 98.92 | +1.07 | INFY ahead |
| 2024-10-18 | 100.00 | 100.00 | +1.10 | INFY ahead |
One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Nov 26, 2025 (INFY +0.8%, ZS -13.0%); Jan 14, 2026 (INFY +10.4%, ZS -1.2%); May 27, 2026 (INFY +2.6%, ZS -31.5%). Upcoming earnings: INFY Oct 23, 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.
INFY and ZS at a glance
INFY Infosys Limited
- Listing
- NYSE · SEC CIK 1067491
- Industry
- EDP Services · SIC 7371 Services-Computer Programming Services
- Market value
- $49.5B
- Price history
- 2,521 daily closes, Oct 12, 2016 to Oct 22, 2026
ZS Zscaler Inc.
- Listing
- Nasdaq · SEC CIK 1713683
- Industry
- EDP Services · SIC 7371 Services-Computer Programming Services
- Market value
- $34.7B
- Price history
- 2,163 daily closes, Mar 16, 2018 to Oct 22, 2026
Daily prices: Nasdaq.com. Filings and industry codes: SEC EDGAR. Earnings dates: Nasdaq earnings calendar.
Other rivals of INFY and ZS
| Pair | Status | Ahead now | Industry |
|---|---|---|---|
| INFY / CTSH | Watchlist | CTSH by 2.06 sd | SIC 7371 Services-Computer Programming Services |
| ADP / INFY | Watchlist | ADP by 1.33 sd | EDP Services |
| INFY / WDAY | Watchlist | WDAY by 1.31 sd | EDP Services |
| ZS / CTSH | Watchlist | ZS by 0.50 sd | SIC 7371 Services-Computer Programming Services |
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.
