Amphenol Corporation vs Celestica Inc.
WatchlistAPH / CLSPrices through Oct 22, 2026
Why these are rivals: #1 and #3 by market value ($198B vs $35B) in Nasdaq's "Electrical Products" industry; SEC SIC 3678 / 3672 (same major group).
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: 0.52 (needs >= 0.60)
- Mean reversion: ADF t-statistic of the spread: -2.54 (needs <= -2.873 (5% critical value))
Business leadership
APH is the larger business
Annual revenue reported to the SEC. Scale, not market share.
| Year | APH | CLS | Larger |
|---|---|---|---|
| 2025 | $23.1B | $12.4B | APH |
| 2024 | $15.2B | $9.6B | APH |
| 2023 | $12.6B | $8.0B | APH |
| 2022 | $12.6B | $7.3B | APH |
| 2021 | $10.9B | - | - |
| 2020 | $8.6B | - | - |
APH led in every year with figures for both. Market value: APH $198.0B, CLS $34.5B.
Stock leadership
APH is ahead now
Measured against the pair's own last 252 trading days.
APH leads CLS by 1.53 standard deviations: +20.9% over its usual price ratio. 3 lead switches in the last year.
| Price change | 3 mo | 6 mo | 12 mo |
|---|---|---|---|
| APH | -4.3% | -2.7% | +17.4% |
| CLS | -11.9% | -31.3% | +1.6% |
Relationship
Not a measured twin today
Only these tests can make a pair tradable on paper.
- Pass
- Aligned sessions: 2521 (needs >= 254)
- Fail
- Co-movement: daily return correlation, 252 sessions: 0.52 (needs >= 0.60)
- Fail
- Mean reversion: ADF t-statistic of the spread: -2.54 (needs <= -2.873 (5% critical value))
- Pass
- Speed: half-life of the spread, sessions: 12.33 (needs <= 63)
- Data
- Both stocks current
The twins over two years
Prices side by side, and the gap between them
APH Amphenol Corporation CLS Celestica Inc.Price 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: APH relative to CLS, against the 252 sessions before each day. Above 0: APH ahead; below 0: CLS ahead. Lines at +/-2 (idea) and +/-4 (stop).
Data table (504 sessions)
| Date | APH index | CLS index | z | Ahead |
|---|---|---|---|---|
| 2026-10-22 | 216.63 | 465.25 | +1.53 | APH ahead |
| 2026-10-21 | 234.81 | 526.82 | +1.18 | APH ahead |
| 2026-10-20 | 235.16 | 518.32 | +1.34 | APH ahead |
| 2026-10-19 | 238.01 | 519.46 | +1.43 | APH ahead |
| 2026-10-16 | 235.25 | 525.44 | +1.25 | APH ahead |
| 2026-10-15 | 241.60 | 545.23 | +1.16 | APH ahead |
| 2026-10-14 | 245.15 | 559.18 | +1.08 | APH ahead |
| 2026-10-13 | 254.64 | 618.19 | +0.57 | APH ahead |
| 2026-10-12 | 255.53 | 601.00 | +0.83 | APH ahead |
| 2026-10-09 | 258.64 | 626.36 | +0.59 | APH ahead |
| 2026-10-08 | 252.95 | 616.62 | +0.53 | APH ahead |
| 2026-10-07 | 259.56 | 642.63 | +0.40 | near the usual relationship |
| 2026-10-06 | 262.73 | 671.46 | +0.14 | near the usual relationship |
| 2026-10-05 | 258.73 | 661.86 | +0.13 | near the usual relationship |
| 2026-10-02 | 257.81 | 669.87 | +0.00 | near the usual relationship |
| 2026-10-01 | 253.99 | 645.26 | +0.18 | near the usual relationship |
| 2026-09-30 | 249.93 | 625.10 | +0.30 | near the usual relationship |
| 2026-09-29 | 250.04 | 633.81 | +0.19 | near the usual relationship |
| 2026-09-28 | 250.87 | 616.62 | +0.44 | near the usual relationship |
| 2026-09-25 | 249.30 | 632.03 | +0.19 | near the usual relationship |
| 2026-09-24 | 246.31 | 646.07 | -0.09 | near the usual relationship |
| 2026-09-23 | 243.67 | 625.80 | +0.08 | near the usual relationship |
| 2026-09-22 | 245.60 | 615.86 | +0.27 | near the usual relationship |
| 2026-09-21 | 239.31 | 595.64 | +0.32 | near the usual relationship |
| 2026-09-18 | 229.91 | 575.29 | +0.28 | near the usual relationship |
| 2026-09-17 | 232.35 | 570.63 | +0.43 | near the usual relationship |
| 2026-09-16 | 229.05 | 560.07 | +0.47 | near the usual relationship |
| 2026-09-15 | 230.21 | 547.92 | +0.68 | APH ahead |
| 2026-09-14 | 232.88 | 546.66 | +0.79 | APH ahead |
| 2026-09-11 | 248.80 | 599.36 | +0.59 | APH ahead |
| 2026-09-10 | 237.92 | 562.47 | +0.74 | APH ahead |
| 2026-09-09 | 241.15 | 576.96 | +0.65 | APH ahead |
| 2026-09-08 | 242.40 | 570.68 | +0.78 | APH ahead |
| 2026-09-04 | 245.42 | 540.21 | +1.32 | APH ahead |
| 2026-09-03 | 243.31 | 535.87 | +1.32 | APH ahead |
| 2026-09-02 | 237.30 | 480.40 | +2.00 | APH ahead |
| 2026-09-01 | 241.89 | 506.04 | +1.74 | APH ahead |
| 2026-08-31 | 235.03 | 517.81 | +1.32 | APH ahead |
| 2026-08-28 | 233.83 | 516.60 | +1.29 | APH ahead |
| 2026-08-27 | 239.22 | 548.91 | +0.98 | APH ahead |
| 2026-08-26 | 239.16 | 531.51 | +1.23 | APH ahead |
| 2026-08-25 | 235.37 | 530.72 | +1.11 | APH ahead |
| 2026-08-24 | 230.58 | 509.46 | +1.26 | APH ahead |
| 2026-08-21 | 232.75 | 512.88 | +1.27 | APH ahead |
| 2026-08-20 | 226.96 | 522.31 | +0.91 | APH ahead |
| 2026-08-19 | 231.31 | 521.20 | +1.07 | APH ahead |
| 2026-08-18 | 236.54 | 537.17 | +1.00 | APH ahead |
| 2026-08-17 | 253.29 | 588.72 | +0.82 | APH ahead |
| 2026-08-14 | 247.72 | 579.47 | +0.76 | APH ahead |
| 2026-08-13 | 245.70 | 601.23 | +0.41 | near the usual relationship |
| 2026-08-12 | 251.94 | 587.10 | +0.78 | APH ahead |
| 2026-08-11 | 247.90 | 536.80 | +1.35 | APH ahead |
| 2026-08-10 | 248.59 | 544.09 | +1.26 | APH ahead |
| 2026-08-07 | 250.79 | 549.69 | +1.25 | APH ahead |
| 2026-08-06 | 252.91 | 543.98 | +1.39 | APH ahead |
| 2026-08-05 | 255.32 | 627.40 | +0.37 | near the usual relationship |
| 2026-08-04 | 253.97 | 641.91 | +0.16 | near the usual relationship |
| 2026-08-03 | 242.13 | 591.34 | +0.41 | near the usual relationship |
| 2026-07-31 | 238.22 | 573.23 | +0.52 | APH ahead |
| 2026-07-30 | 236.91 | 609.81 | +0.01 | near the usual relationship |
| 2026-07-29 | 222.81 | 568.02 | +0.07 | near the usual relationship |
| 2026-07-28 | 213.24 | 605.67 | -0.74 | CLS ahead |
| 2026-07-27 | 221.29 | 550.40 | +0.23 | near the usual relationship |
| 2026-07-24 | 226.31 | 527.98 | +0.68 | APH ahead |
| 2026-07-23 | 233.37 | 578.95 | +0.23 | near the usual relationship |
| 2026-07-22 | 233.49 | 580.25 | +0.20 | near the usual relationship |
| 2026-07-21 | 233.93 | 587.32 | +0.12 | near the usual relationship |
| 2026-07-20 | 223.11 | 531.55 | +0.48 | near the usual relationship |
| 2026-07-17 | 224.13 | 521.17 | +0.63 | APH ahead |
| 2026-07-16 | 227.01 | 525.53 | +0.65 | APH ahead |
| 2026-07-15 | 232.79 | 578.99 | +0.16 | near the usual relationship |
| 2026-07-14 | 234.76 | 596.73 | +0.00 | near the usual relationship |
| 2026-07-13 | 231.23 | 596.99 | -0.11 | near the usual relationship |
| 2026-07-10 | 235.78 | 622.36 | -0.26 | near the usual relationship |
| 2026-07-09 | 240.50 | 613.59 | -0.05 | near the usual relationship |
| 2026-07-08 | 234.54 | 623.90 | -0.33 | near the usual relationship |
| 2026-07-07 | 235.12 | 596.78 | -0.03 | near the usual relationship |
| 2026-07-06 | 247.27 | 605.67 | +0.19 | near the usual relationship |
| 2026-07-02 | 243.98 | 581.48 | +0.35 | near the usual relationship |
| 2026-07-01 | 255.29 | 625.42 | +0.17 | near the usual relationship |
| 2026-06-30 | 261.37 | 630.92 | +0.25 | near the usual relationship |
| 2026-06-29 | 246.69 | 593.65 | +0.26 | near the usual relationship |
| 2026-06-26 | 242.69 | 583.76 | +0.26 | near the usual relationship |
| 2026-06-25 | 244.81 | 625.04 | -0.12 | near the usual relationship |
| 2026-06-24 | 241.30 | 626.50 | -0.23 | near the usual relationship |
| 2026-06-23 | 235.25 | 607.40 | -0.20 | near the usual relationship |
| 2026-06-22 | 246.01 | 651.75 | -0.36 | near the usual relationship |
| 2026-06-18 | 243.05 | 644.33 | -0.37 | near the usual relationship |
| 2026-06-17 | 238.82 | 657.85 | -0.60 | CLS ahead |
| 2026-06-16 | 235.41 | 660.69 | -0.71 | CLS ahead |
| 2026-06-15 | 235.09 | 697.77 | -1.03 | CLS ahead |
| 2026-06-12 | 227.99 | 679.90 | -1.06 | CLS ahead |
| 2026-06-11 | 226.00 | 667.35 | -1.01 | CLS ahead |
| 2026-06-10 | 221.20 | 627.67 | -0.79 | CLS ahead |
| 2026-06-09 | 228.39 | 643.13 | -0.76 | CLS ahead |
| 2026-06-08 | 212.87 | 668.45 | -1.35 | CLS ahead |
| 2026-06-05 | 205.77 | 642.87 | -1.32 | CLS ahead |
| 2026-06-04 | 217.57 | 735.66 | -1.75 | CLS ahead |
| 2026-06-03 | 218.83 | 792.36 | -2.12 | CLS ahead |
| 2026-06-02 | 219.98 | 817.02 | -2.26 | CLS ahead |
| 2026-06-01 | 216.93 | 737.72 | -1.81 | CLS ahead |
| 2026-05-29 | 220.52 | 666.53 | -1.20 | CLS ahead |
| 2026-05-28 | 218.91 | 607.09 | -0.77 | CLS ahead |
| 2026-05-27 | 207.89 | 618.64 | -1.13 | CLS ahead |
| 2026-05-26 | 206.88 | 641.37 | -1.35 | CLS ahead |
| 2026-05-22 | 195.76 | 635.37 | -1.59 | CLS ahead |
| 2026-05-21 | 185.09 | 613.58 | -1.70 | CLS ahead |
| 2026-05-20 | 182.40 | 599.24 | -1.67 | CLS ahead |
| 2026-05-19 | 176.70 | 586.53 | -1.73 | CLS ahead |
| 2026-05-18 | 180.43 | 592.65 | -1.68 | CLS ahead |
| 2026-05-15 | 185.29 | 620.11 | -1.79 | CLS ahead |
| 2026-05-14 | 191.51 | 659.96 | -1.95 | CLS ahead |
| 2026-05-13 | 184.76 | 644.33 | -2.01 | CLS ahead |
| 2026-05-12 | 189.55 | 646.96 | -1.91 | CLS ahead |
| 2026-05-11 | 181.54 | 658.92 | -2.23 | CLS ahead |
| 2026-05-08 | 189.79 | 649.52 | -1.95 | CLS ahead |
| 2026-05-07 | 202.52 | 666.22 | -1.77 | CLS ahead |
| 2026-05-06 | 205.26 | 715.79 | -2.06 | CLS ahead |
| 2026-05-05 | 202.62 | 722.35 | -2.17 | CLS ahead |
| 2026-05-04 | 209.06 | 727.65 | -2.07 | CLS ahead |
| 2026-05-01 | 210.94 | 724.54 | -2.01 | CLS ahead |
| 2026-04-30 | 218.31 | 708.39 | -1.75 | CLS ahead |
| 2026-04-29 | 219.95 | 651.23 | -1.32 | CLS ahead |
| 2026-04-28 | 213.04 | 625.29 | -1.28 | CLS ahead |
| 2026-04-27 | 220.34 | 730.21 | -1.86 | CLS ahead |
| 2026-04-24 | 221.92 | 709.46 | -1.70 | CLS ahead |
| 2026-04-23 | 222.62 | 677.27 | -1.48 | CLS ahead |
| 2026-04-22 | 219.58 | 694.81 | -1.68 | CLS ahead |
| 2026-04-21 | 225.21 | 697.04 | -1.59 | CLS ahead |
| 2026-04-20 | 226.52 | 693.74 | -1.55 | CLS ahead |
| 2026-04-17 | 223.93 | 684.90 | -1.55 | CLS ahead |
| 2026-04-16 | 220.81 | 661.22 | -1.47 | CLS ahead |
| 2026-04-15 | 217.88 | 660.57 | -1.53 | CLS ahead |
| 2026-04-14 | 220.46 | 664.74 | -1.51 | CLS ahead |
| 2026-04-13 | 215.34 | 632.07 | -1.40 | CLS ahead |
| 2026-04-10 | 208.64 | 607.59 | -1.37 | CLS ahead |
| 2026-04-09 | 204.09 | 567.85 | -1.17 | CLS ahead |
| 2026-04-08 | 200.59 | 554.65 | -1.15 | CLS ahead |
| 2026-04-07 | 190.31 | 514.25 | -1.05 | CLS ahead |
| 2026-04-06 | 187.50 | 505.53 | -1.05 | CLS ahead |
| 2026-04-02 | 189.74 | 509.93 | -1.04 | CLS ahead |
| 2026-04-01 | 189.30 | 499.36 | -0.97 | CLS ahead |
| 2026-03-31 | 187.30 | 487.17 | -0.91 | CLS ahead |
| 2026-03-30 | 176.62 | 444.95 | -0.78 | CLS ahead |
| 2026-03-27 | 183.25 | 484.64 | -1.00 | CLS ahead |
| 2026-03-26 | 182.52 | 472.81 | -0.92 | CLS ahead |
| 2026-03-25 | 190.82 | 522.69 | -1.17 | CLS ahead |
| 2026-03-24 | 189.68 | 521.48 | -1.19 | CLS ahead |
| 2026-03-23 | 193.70 | 496.33 | -0.89 | CLS ahead |
| 2026-03-20 | 187.87 | 465.41 | -0.75 | CLS ahead |
| 2026-03-19 | 193.67 | 491.70 | -0.87 | CLS ahead |
| 2026-03-18 | 189.46 | 473.16 | -0.80 | CLS ahead |
| 2026-03-17 | 200.30 | 487.63 | -0.70 | CLS ahead |
| 2026-03-16 | 202.79 | 467.88 | -0.47 | near the usual relationship |
| 2026-03-13 | 198.52 | 455.66 | -0.46 | near the usual relationship |
| 2026-03-12 | 194.89 | 458.13 | -0.56 | CLS ahead |
| 2026-03-11 | 199.44 | 459.70 | -0.49 | near the usual relationship |
| 2026-03-10 | 202.70 | 465.58 | -0.48 | near the usual relationship |
| 2026-03-09 | 201.69 | 463.42 | -0.48 | near the usual relationship |
| 2026-03-06 | 195.48 | 431.55 | -0.32 | near the usual relationship |
| 2026-03-05 | 201.96 | 459.75 | -0.45 | near the usual relationship |
| 2026-03-04 | 196.78 | 468.07 | -0.64 | CLS ahead |
| 2026-03-03 | 192.08 | 444.40 | -0.53 | CLS ahead |
| 2026-03-02 | 200.36 | 461.74 | -0.52 | CLS ahead |
| 2026-02-27 | 216.51 | 480.16 | -0.36 | near the usual relationship |
| 2026-02-26 | 220.09 | 482.81 | -0.31 | near the usual relationship |
| 2026-02-25 | 226.27 | 508.44 | -0.42 | near the usual relationship |
| 2026-02-24 | 224.58 | 512.54 | -0.48 | near the usual relationship |
| 2026-02-23 | 219.12 | 513.11 | -0.60 | CLS ahead |
| 2026-02-20 | 223.90 | 506.21 | -0.45 | near the usual relationship |
| 2026-02-19 | 224.13 | 503.86 | -0.42 | near the usual relationship |
| 2026-02-18 | 218.99 | 503.98 | -0.52 | CLS ahead |
| 2026-02-17 | 220.23 | 495.78 | -0.43 | near the usual relationship |
| 2026-02-13 | 217.49 | 485.40 | -0.39 | near the usual relationship |
| 2026-02-12 | 213.06 | 475.25 | -0.39 | near the usual relationship |
| 2026-02-11 | 213.52 | 511.38 | -0.70 | CLS ahead |
| 2026-02-10 | 213.67 | 515.27 | -0.73 | CLS ahead |
| 2026-02-09 | 213.76 | 552.08 | -1.03 | CLS ahead |
| 2026-02-06 | 201.94 | 531.87 | -1.11 | CLS ahead |
| 2026-02-05 | 189.19 | 510.01 | -1.22 | CLS ahead |
| 2026-02-04 | 192.71 | 477.10 | -0.86 | CLS ahead |
| 2026-02-03 | 218.00 | 514.44 | -0.66 | CLS ahead |
| 2026-02-02 | 214.84 | 493.10 | -0.54 | CLS ahead |
| 2026-01-30 | 213.58 | 485.97 | -0.51 | CLS ahead |
| 2026-01-29 | 221.73 | 518.85 | -0.63 | CLS ahead |
| 2026-01-28 | 216.37 | 597.08 | -1.35 | CLS ahead |
| 2026-01-27 | 246.44 | 576.22 | -0.65 | CLS ahead |
| 2026-01-26 | 230.60 | 533.12 | -0.60 | CLS ahead |
| 2026-01-23 | 223.82 | 524.20 | -0.66 | CLS ahead |
| 2026-01-22 | 226.06 | 503.16 | -0.45 | near the usual relationship |
| 2026-01-21 | 229.17 | 535.73 | -0.66 | CLS ahead |
| 2026-01-20 | 225.81 | 537.46 | -0.74 | CLS ahead |
| 2026-01-16 | 228.86 | 542.37 | -0.73 | CLS ahead |
| 2026-01-15 | 228.61 | 542.25 | -0.74 | CLS ahead |
| 2026-01-14 | 217.54 | 536.22 | -0.91 | CLS ahead |
| 2026-01-13 | 220.83 | 568.25 | -1.11 | CLS ahead |
| 2026-01-12 | 215.11 | 544.28 | -1.04 | CLS ahead |
| 2026-01-09 | 207.77 | 522.83 | -1.03 | CLS ahead |
| 2026-01-08 | 201.97 | 499.14 | -0.96 | CLS ahead |
| 2026-01-07 | 205.91 | 529.00 | -1.13 | CLS ahead |
| 2026-01-06 | 209.58 | 527.50 | -1.05 | CLS ahead |
| 2026-01-05 | 207.35 | 507.16 | -0.93 | CLS ahead |
| 2026-01-02 | 207.10 | 523.00 | -1.08 | CLS ahead |
| 2025-12-31 | 200.33 | 511.26 | -1.14 | CLS ahead |
| 2025-12-30 | 201.90 | 517.81 | -1.17 | CLS ahead |
| 2025-12-29 | 202.94 | 524.42 | -1.21 | CLS ahead |
| 2025-12-26 | 203.72 | 525.01 | -1.21 | CLS ahead |
| 2025-12-24 | 204.48 | 533.71 | -1.27 | CLS ahead |
| 2025-12-23 | 203.26 | 524.84 | -1.24 | CLS ahead |
| 2025-12-22 | 200.33 | 530.72 | -1.36 | CLS ahead |
| 2025-12-19 | 200.55 | 505.52 | -1.15 | CLS ahead |
| 2025-12-18 | 192.13 | 468.56 | -1.02 | CLS ahead |
| 2025-12-17 | 187.53 | 477.05 | -1.21 | CLS ahead |
| 2025-12-16 | 191.42 | 499.60 | -1.33 | CLS ahead |
| 2025-12-15 | 192.56 | 524.01 | -1.53 | CLS ahead |
| 2025-12-12 | 191.58 | 530.09 | -1.62 | CLS ahead |
| 2025-12-11 | 206.18 | 607.77 | -1.92 | CLS ahead |
| 2025-12-10 | 205.57 | 603.01 | -1.92 | CLS ahead |
| 2025-12-09 | 205.43 | 591.54 | -1.85 | CLS ahead |
| 2025-12-08 | 207.62 | 589.35 | -1.81 | CLS ahead |
| 2025-12-05 | 206.58 | 562.24 | -1.63 | CLS ahead |
| 2025-12-04 | 206.73 | 558.27 | -1.61 | CLS ahead |
| 2025-12-03 | 205.53 | 533.40 | -1.45 | CLS ahead |
| 2025-12-02 | 209.74 | 526.27 | -1.30 | CLS ahead |
| 2025-12-01 | 206.37 | 550.62 | -1.59 | CLS ahead |
| 2025-11-28 | 208.86 | 595.66 | -1.91 | CLS ahead |
| 2025-11-26 | 205.63 | 574.61 | -1.84 | CLS ahead |
| 2025-11-25 | 204.28 | 566.85 | -1.82 | CLS ahead |
| 2025-11-24 | 204.39 | 557.83 | -1.77 | CLS ahead |
| 2025-11-21 | 195.08 | 484.37 | -1.35 | CLS ahead |
| 2025-11-20 | 193.24 | 488.20 | -1.44 | CLS ahead |
| 2025-11-19 | 202.58 | 540.44 | -1.70 | CLS ahead |
| 2025-11-18 | 196.32 | 518.71 | -1.67 | CLS ahead |
| 2025-11-17 | 196.16 | 535.06 | -1.84 | CLS ahead |
| 2025-11-14 | 198.25 | 537.67 | -1.83 | CLS ahead |
| 2025-11-13 | 200.49 | 506.31 | -1.51 | CLS ahead |
| 2025-11-12 | 210.38 | 578.64 | -1.92 | CLS ahead |
| 2025-11-11 | 212.67 | 573.95 | -1.86 | CLS ahead |
| 2025-11-10 | 213.24 | 596.00 | -2.04 | CLS ahead |
| 2025-11-07 | 206.18 | 557.07 | -1.90 | CLS ahead |
| 2025-11-06 | 204.73 | 589.35 | -2.22 | CLS ahead |
| 2025-11-05 | 205.86 | 609.84 | -2.38 | CLS ahead |
| 2025-11-04 | 202.64 | 580.75 | -2.25 | CLS ahead |
| 2025-11-03 | 209.83 | 603.61 | -2.29 | CLS ahead |
| 2025-10-31 | 206.55 | 595.78 | -2.33 | CLS ahead |
| 2025-10-30 | 206.21 | 588.26 | -2.30 | CLS ahead |
| 2025-10-29 | 207.16 | 584.18 | -2.27 | CLS ahead |
| 2025-10-28 | 203.51 | 564.60 | -2.21 | CLS ahead |
| 2025-10-27 | 201.47 | 522.00 | -1.89 | CLS ahead |
| 2025-10-24 | 198.37 | 513.01 | -1.88 | CLS ahead |
| 2025-10-23 | 200.58 | 488.98 | -1.61 | CLS ahead |
| 2025-10-22 | 191.12 | 468.51 | -1.64 | CLS ahead |
| 2025-10-21 | 184.46 | 457.78 | -1.70 | CLS ahead |
| 2025-10-20 | 189.25 | 473.02 | -1.74 | CLS ahead |
| 2025-10-17 | 186.26 | 478.14 | -1.87 | CLS ahead |
| 2025-10-16 | 188.79 | 484.02 | -1.88 | CLS ahead |
| 2025-10-15 | 186.18 | 466.90 | -1.79 | CLS ahead |
| 2025-10-14 | 181.80 | 428.48 | -1.52 | CLS ahead |
| 2025-10-13 | 183.68 | 451.50 | -1.72 | CLS ahead |
| 2025-10-10 | 180.40 | 421.52 | -1.50 | CLS ahead |
| 2025-10-09 | 187.15 | 449.29 | -1.63 | CLS ahead |
| 2025-10-08 | 186.47 | 440.82 | -1.57 | CLS ahead |
| 2025-10-07 | 184.60 | 411.26 | -1.31 | CLS ahead |
| 2025-10-06 | 182.92 | 407.02 | -1.30 | CLS ahead |
| 2025-10-03 | 181.17 | 404.13 | -1.32 | CLS ahead |
| 2025-10-02 | 183.19 | 433.95 | -1.58 | CLS ahead |
| 2025-10-01 | 184.79 | 435.30 | -1.56 | CLS ahead |
| 2025-09-30 | 183.44 | 426.12 | -1.51 | CLS ahead |
| 2025-09-29 | 179.38 | 425.37 | -1.60 | CLS ahead |
| 2025-09-26 | 181.74 | 421.64 | -1.51 | CLS ahead |
| 2025-09-25 | 181.34 | 423.11 | -1.54 | CLS ahead |
| 2025-09-24 | 182.52 | 415.88 | -1.44 | CLS ahead |
| 2025-09-23 | 185.89 | 445.59 | -1.66 | CLS ahead |
| 2025-09-22 | 183.35 | 440.66 | -1.67 | CLS ahead |
| 2025-09-19 | 183.72 | 437.44 | -1.64 | CLS ahead |
| 2025-09-18 | 180.95 | 435.90 | -1.69 | CLS ahead |
| 2025-09-17 | 175.53 | 428.33 | -1.75 | CLS ahead |
| 2025-09-16 | 176.46 | 439.97 | -1.84 | CLS ahead |
| 2025-09-15 | 176.76 | 430.63 | -1.76 | CLS ahead |
| 2025-09-12 | 175.93 | 418.14 | -1.67 | CLS ahead |
| 2025-09-11 | 177.10 | 425.01 | -1.71 | CLS ahead |
| 2025-09-10 | 176.53 | 437.62 | -1.84 | CLS ahead |
| 2025-09-09 | 173.12 | 422.14 | -1.79 | CLS ahead |
| 2025-09-08 | 163.86 | 422.57 | -2.02 | CLS ahead |
| 2025-09-05 | 163.73 | 419.72 | -2.01 | CLS ahead |
| 2025-09-04 | 167.14 | 382.81 | -1.59 | CLS ahead |
| 2025-09-03 | 164.08 | 366.43 | -1.50 | CLS ahead |
| 2025-09-02 | 161.95 | 346.99 | -1.35 | CLS ahead |
| 2025-08-29 | 161.37 | 336.82 | -1.26 | CLS ahead |
| 2025-08-28 | 165.94 | 367.23 | -1.49 | CLS ahead |
| 2025-08-27 | 163.25 | 349.53 | -1.37 | CLS ahead |
| 2025-08-26 | 162.91 | 343.51 | -1.32 | CLS ahead |
| 2025-08-25 | 162.66 | 333.64 | -1.23 | CLS ahead |
| 2025-08-22 | 162.11 | 326.74 | -1.17 | CLS ahead |
| 2025-08-21 | 161.30 | 313.63 | -1.04 | CLS ahead |
| 2025-08-20 | 161.06 | 316.33 | -1.09 | CLS ahead |
| 2025-08-19 | 163.03 | 319.49 | -1.09 | CLS ahead |
| 2025-08-18 | 164.63 | 337.05 | -1.26 | CLS ahead |
| 2025-08-15 | 161.89 | 338.08 | -1.34 | CLS ahead |
| 2025-08-14 | 164.16 | 340.09 | -1.32 | CLS ahead |
| 2025-08-13 | 162.81 | 353.20 | -1.50 | CLS ahead |
| 2025-08-12 | 165.80 | 369.16 | -1.60 | CLS ahead |
| 2025-08-11 | 162.78 | 353.86 | -1.53 | CLS ahead |
| 2025-08-08 | 163.03 | 359.15 | -1.59 | CLS ahead |
| 2025-08-07 | 160.91 | 347.99 | -1.53 | CLS ahead |
| 2025-08-06 | 162.32 | 343.53 | -1.46 | CLS ahead |
| 2025-08-05 | 159.99 | 339.87 | -1.49 | CLS ahead |
| 2025-08-04 | 161.03 | 348.41 | -1.57 | CLS ahead |
| 2025-08-01 | 154.62 | 348.41 | -1.73 | CLS ahead |
| 2025-07-31 | 157.89 | 345.66 | -1.64 | CLS ahead |
| 2025-07-30 | 156.37 | 350.07 | -1.74 | CLS ahead |
| 2025-07-29 | 156.11 | 349.36 | -1.75 | CLS ahead |
| 2025-07-28 | 158.17 | 299.84 | -1.15 | CLS ahead |
| 2025-07-25 | 155.68 | 294.40 | -1.15 | CLS ahead |
| 2025-07-24 | 154.85 | 283.60 | -1.05 | CLS ahead |
| 2025-07-23 | 149.29 | 291.92 | -1.30 | CLS ahead |
| 2025-07-22 | 150.87 | 271.38 | -1.00 | CLS ahead |
| 2025-07-21 | 153.74 | 281.94 | -1.08 | CLS ahead |
| 2025-07-18 | 153.19 | 276.93 | -1.03 | CLS ahead |
| 2025-07-17 | 151.14 | 281.72 | -1.15 | CLS ahead |
| 2025-07-16 | 149.05 | 276.89 | -1.15 | CLS ahead |
| 2025-07-15 | 147.41 | 277.57 | -1.21 | CLS ahead |
| 2025-07-14 | 148.55 | 280.59 | -1.23 | CLS ahead |
| 2025-07-11 | 146.40 | 278.50 | -1.27 | CLS ahead |
| 2025-07-10 | 145.73 | 274.70 | -1.24 | CLS ahead |
| 2025-07-09 | 145.58 | 278.28 | -1.31 | CLS ahead |
| 2025-07-08 | 144.40 | 269.28 | -1.23 | CLS ahead |
| 2025-07-07 | 146.09 | 266.34 | -1.15 | CLS ahead |
| 2025-07-03 | 147.44 | 275.44 | -1.25 | CLS ahead |
| 2025-07-02 | 146.04 | 267.90 | -1.19 | CLS ahead |
| 2025-07-01 | 144.37 | 257.54 | -1.10 | CLS ahead |
| 2025-06-30 | 146.38 | 269.99 | -1.23 | CLS ahead |
| 2025-06-27 | 144.78 | 264.04 | -1.20 | CLS ahead |
| 2025-06-26 | 143.76 | 259.69 | -1.17 | CLS ahead |
| 2025-06-25 | 143.82 | 257.77 | -1.15 | CLS ahead |
| 2025-06-24 | 142.01 | 248.77 | -1.08 | CLS ahead |
| 2025-06-23 | 141.19 | 235.80 | -0.91 | CLS ahead |
| 2025-06-20 | 139.08 | 233.88 | -0.94 | CLS ahead |
| 2025-06-18 | 138.56 | 235.65 | -0.99 | CLS ahead |
| 2025-06-17 | 137.56 | 228.61 | -0.91 | CLS ahead |
| 2025-06-16 | 138.42 | 221.79 | -0.79 | CLS ahead |
| 2025-06-13 | 137.10 | 216.76 | -0.74 | CLS ahead |
| 2025-06-12 | 140.23 | 226.10 | -0.82 | CLS ahead |
| 2025-06-11 | 137.96 | 220.84 | -0.80 | CLS ahead |
| 2025-06-10 | 137.10 | 210.15 | -0.65 | CLS ahead |
| 2025-06-09 | 137.80 | 212.12 | -0.67 | CLS ahead |
| 2025-06-06 | 138.39 | 208.80 | -0.60 | CLS ahead |
| 2025-06-05 | 137.15 | 206.35 | -0.60 | CLS ahead |
| 2025-06-04 | 136.24 | 207.37 | -0.65 | CLS ahead |
| 2025-06-03 | 135.90 | 209.72 | -0.70 | CLS ahead |
| 2025-06-02 | 133.95 | 201.73 | -0.62 | CLS ahead |
| 2025-05-30 | 133.31 | 199.55 | -0.60 | CLS ahead |
| 2025-05-29 | 131.81 | 201.26 | -0.68 | CLS ahead |
| 2025-05-28 | 130.64 | 204.29 | -0.77 | CLS ahead |
| 2025-05-27 | 130.94 | 205.60 | -0.79 | CLS ahead |
| 2025-05-23 | 126.82 | 206.62 | -0.94 | CLS ahead |
| 2025-05-22 | 126.39 | 204.64 | -0.92 | CLS ahead |
| 2025-05-21 | 127.02 | 197.22 | -0.77 | CLS ahead |
| 2025-05-20 | 127.91 | 194.85 | -0.71 | CLS ahead |
| 2025-05-19 | 128.09 | 193.01 | -0.68 | CLS ahead |
| 2025-05-16 | 128.79 | 195.87 | -0.72 | CLS ahead |
| 2025-05-15 | 127.44 | 192.82 | -0.71 | CLS ahead |
| 2025-05-14 | 126.93 | 196.21 | -0.79 | CLS ahead |
| 2025-05-13 | 127.16 | 190.02 | -0.67 | CLS ahead |
| 2025-05-12 | 125.20 | 173.50 | -0.41 | near the usual relationship |
| 2025-05-09 | 119.89 | 160.93 | -0.30 | near the usual relationship |
| 2025-05-08 | 119.45 | 166.60 | -0.44 | near the usual relationship |
| 2025-05-07 | 119.83 | 166.98 | -0.45 | near the usual relationship |
| 2025-05-06 | 118.16 | 164.63 | -0.45 | near the usual relationship |
| 2025-05-05 | 118.84 | 159.74 | -0.33 | near the usual relationship |
| 2025-05-02 | 119.57 | 162.69 | -0.38 | near the usual relationship |
| 2025-05-01 | 116.56 | 154.29 | -0.29 | near the usual relationship |
| 2025-04-30 | 114.07 | 147.61 | -0.21 | near the usual relationship |
| 2025-04-29 | 113.67 | 150.55 | -0.30 | near the usual relationship |
| 2025-04-28 | 112.48 | 151.78 | -0.37 | near the usual relationship |
| 2025-04-25 | 112.44 | 154.01 | -0.43 | near the usual relationship |
| 2025-04-24 | 112.70 | 159.36 | -0.54 | CLS ahead |
| 2025-04-23 | 105.47 | 152.53 | -0.62 | CLS ahead |
| 2025-04-22 | 97.47 | 143.15 | -0.68 | CLS ahead |
| 2025-04-21 | 94.26 | 139.38 | -0.71 | CLS ahead |
| 2025-04-17 | 96.44 | 145.35 | -0.78 | CLS ahead |
| 2025-04-16 | 96.01 | 139.33 | -0.66 | CLS ahead |
| 2025-04-15 | 97.48 | 142.81 | -0.70 | CLS ahead |
| 2025-04-14 | 97.04 | 139.88 | -0.65 | CLS ahead |
| 2025-04-11 | 96.95 | 136.86 | -0.58 | CLS ahead |
| 2025-04-10 | 95.06 | 132.27 | -0.54 | CLS ahead |
| 2025-04-09 | 98.10 | 141.92 | -0.68 | CLS ahead |
| 2025-04-08 | 89.05 | 119.08 | -0.41 | near the usual relationship |
| 2025-04-07 | 90.28 | 121.74 | -0.44 | near the usual relationship |
| 2025-04-04 | 87.59 | 114.41 | -0.34 | near the usual relationship |
| 2025-04-03 | 92.88 | 119.66 | -0.29 | near the usual relationship |
| 2025-04-02 | 100.65 | 142.42 | -0.62 | CLS ahead |
| 2025-04-01 | 97.94 | 136.73 | -0.58 | CLS ahead |
| 2025-03-31 | 97.23 | 136.30 | -0.60 | CLS ahead |
| 2025-03-28 | 98.71 | 143.01 | -0.72 | CLS ahead |
| 2025-03-27 | 101.05 | 145.95 | -0.71 | CLS ahead |
| 2025-03-26 | 100.18 | 151.61 | -0.88 | CLS ahead |
| 2025-03-25 | 103.01 | 168.40 | -1.15 | CLS ahead |
| 2025-03-24 | 102.73 | 172.92 | -1.26 | CLS ahead |
| 2025-03-21 | 98.73 | 165.95 | -1.27 | CLS ahead |
| 2025-03-20 | 98.37 | 165.43 | -1.28 | CLS ahead |
| 2025-03-19 | 99.93 | 158.98 | -1.10 | CLS ahead |
| 2025-03-18 | 94.65 | 151.28 | -1.12 | CLS ahead |
| 2025-03-17 | 94.66 | 158.73 | -1.30 | CLS ahead |
| 2025-03-14 | 93.39 | 158.39 | -1.35 | CLS ahead |
| 2025-03-13 | 91.34 | 149.45 | -1.24 | CLS ahead |
| 2025-03-12 | 93.14 | 154.93 | -1.30 | CLS ahead |
| 2025-03-11 | 91.37 | 149.76 | -1.26 | CLS ahead |
| 2025-03-10 | 91.60 | 140.35 | -1.03 | CLS ahead |
| 2025-03-07 | 93.28 | 151.38 | -1.25 | CLS ahead |
| 2025-03-06 | 91.54 | 141.16 | -1.08 | CLS ahead |
| 2025-03-05 | 95.92 | 157.30 | -1.30 | CLS ahead |
| 2025-03-04 | 93.46 | 156.04 | -1.38 | CLS ahead |
| 2025-03-03 | 94.06 | 160.50 | -1.47 | CLS ahead |
| 2025-02-28 | 98.73 | 185.14 | -1.82 | CLS ahead |
| 2025-02-27 | 97.04 | 186.56 | -1.93 | CLS ahead |
| 2025-02-26 | 98.18 | 193.15 | -2.04 | CLS ahead |
| 2025-02-25 | 96.37 | 183.52 | -1.95 | CLS ahead |
| 2025-02-24 | 99.51 | 191.77 | -2.01 | CLS ahead |
| 2025-02-21 | 100.18 | 206.24 | -2.29 | CLS ahead |
| 2025-02-20 | 102.83 | 216.22 | -2.40 | CLS ahead |
| 2025-02-19 | 103.48 | 227.57 | -2.61 | CLS ahead |
| 2025-02-18 | 102.33 | 228.80 | -2.72 | CLS ahead |
| 2025-02-14 | 102.10 | 228.40 | -2.78 | CLS ahead |
| 2025-02-13 | 102.83 | 224.46 | -2.73 | CLS ahead |
| 2025-02-12 | 103.36 | 223.66 | -2.75 | CLS ahead |
| 2025-02-11 | 103.69 | 218.92 | -2.70 | CLS ahead |
| 2025-02-10 | 106.43 | 225.23 | -2.75 | CLS ahead |
| 2025-02-07 | 103.47 | 224.32 | -2.91 | CLS ahead |
| 2025-02-06 | 103.81 | 230.40 | -3.07 | CLS ahead |
| 2025-02-05 | 103.05 | 248.48 | -3.51 | CLS ahead |
| 2025-02-04 | 103.34 | 228.26 | -3.21 | CLS ahead |
| 2025-02-03 | 103.94 | 209.06 | -2.85 | CLS ahead |
| 2025-01-31 | 104.92 | 213.54 | -2.96 | CLS ahead |
| 2025-01-30 | 106.23 | 197.42 | -2.59 | CLS ahead |
| 2025-01-29 | 102.85 | 173.80 | -2.19 | CLS ahead |
| 2025-01-28 | 101.66 | 163.40 | -1.98 | CLS ahead |
| 2025-01-27 | 100.04 | 151.09 | -1.71 | CLS ahead |
| 2025-01-24 | 114.42 | 210.46 | -2.65 | CLS ahead |
| 2025-01-23 | 116.44 | 212.59 | -2.65 | CLS ahead |
| 2025-01-22 | 115.39 | 213.20 | -2.75 | CLS ahead |
| 2025-01-21 | 107.80 | 204.25 | -2.92 | CLS ahead |
| 2025-01-17 | 102.91 | 195.92 | -2.99 | CLS ahead |
| 2025-01-16 | 103.56 | 191.49 | -2.90 | CLS ahead |
| 2025-01-15 | 105.17 | 185.92 | -2.72 | CLS ahead |
| 2025-01-14 | 104.17 | 178.33 | -2.60 | CLS ahead |
| 2025-01-13 | 101.30 | 173.71 | -2.65 | CLS ahead |
| 2025-01-10 | 104.06 | 179.25 | -2.71 | CLS ahead |
| 2025-01-08 | 106.48 | 177.22 | -2.57 | CLS ahead |
| 2025-01-07 | 105.93 | 169.96 | -2.42 | CLS ahead |
| 2025-01-06 | 105.44 | 170.81 | -2.50 | CLS ahead |
| 2025-01-03 | 103.91 | 167.62 | -2.51 | CLS ahead |
| 2025-01-02 | 102.30 | 160.97 | -2.41 | CLS ahead |
| 2024-12-31 | 102.95 | 159.63 | -2.36 | CLS ahead |
| 2024-12-30 | 103.02 | 162.26 | -2.47 | CLS ahead |
| 2024-12-27 | 104.86 | 164.48 | -2.48 | CLS ahead |
| 2024-12-26 | 106.08 | 169.92 | -2.63 | CLS ahead |
| 2024-12-24 | 106.23 | 168.68 | -2.62 | CLS ahead |
| 2024-12-23 | 105.23 | 168.66 | -2.71 | CLS ahead |
| 2024-12-20 | 104.62 | 165.08 | -2.67 | CLS ahead |
| 2024-12-19 | 103.78 | 160.93 | -2.61 | CLS ahead |
| 2024-12-18 | 103.91 | 159.30 | -2.59 | CLS ahead |
| 2024-12-17 | 110.08 | 169.16 | -2.64 | CLS ahead |
| 2024-12-16 | 111.70 | 171.24 | -2.66 | CLS ahead |
| 2024-12-13 | 109.15 | 171.57 | -2.84 | CLS ahead |
| 2024-12-12 | 109.10 | 157.40 | -2.39 | CLS ahead |
| 2024-12-11 | 109.00 | 155.60 | -2.36 | CLS ahead |
| 2024-12-10 | 107.63 | 152.20 | -2.33 | CLS ahead |
| 2024-12-09 | 109.21 | 156.38 | -2.43 | CLS ahead |
| 2024-12-06 | 110.01 | 164.06 | -2.70 | CLS ahead |
| 2024-12-05 | 110.27 | 159.25 | -2.55 | CLS ahead |
| 2024-12-04 | 110.29 | 154.84 | -2.42 | CLS ahead |
| 2024-12-03 | 108.40 | 154.65 | -2.54 | CLS ahead |
| 2024-12-02 | 108.33 | 146.94 | -2.28 | CLS ahead |
| 2024-11-29 | 107.69 | 147.42 | -2.36 | CLS ahead |
| 2024-11-27 | 107.83 | 143.83 | -2.23 | CLS ahead |
| 2024-11-26 | 108.60 | 149.90 | -2.47 | CLS ahead |
| 2024-11-25 | 108.64 | 148.05 | -2.42 | CLS ahead |
| 2024-11-22 | 110.12 | 154.20 | -2.62 | CLS ahead |
| 2024-11-21 | 108.57 | 158.15 | -2.91 | CLS ahead |
| 2024-11-20 | 105.08 | 150.43 | -2.86 | CLS ahead |
| 2024-11-19 | 105.22 | 150.16 | -2.90 | CLS ahead |
| 2024-11-18 | 103.59 | 145.23 | -2.83 | CLS ahead |
| 2024-11-15 | 104.54 | 142.13 | -2.68 | CLS ahead |
| 2024-11-14 | 107.55 | 139.19 | -2.40 | CLS ahead |
| 2024-11-13 | 107.22 | 141.91 | -2.58 | CLS ahead |
| 2024-11-12 | 106.72 | 145.38 | -2.81 | CLS ahead |
| 2024-11-11 | 108.82 | 146.37 | -2.77 | CLS ahead |
| 2024-11-08 | 109.50 | 148.48 | -2.87 | CLS ahead |
| 2024-11-07 | 109.62 | 147.58 | -2.87 | CLS ahead |
| 2024-11-06 | 106.98 | 140.09 | -2.72 | CLS ahead |
| 2024-11-05 | 103.34 | 130.80 | -2.53 | CLS ahead |
| 2024-11-04 | 101.13 | 125.08 | -2.40 | CLS ahead |
| 2024-11-01 | 100.59 | 121.45 | -2.26 | CLS ahead |
| 2024-10-31 | 99.35 | 118.30 | -2.18 | CLS ahead |
| 2024-10-30 | 101.33 | 120.68 | -2.21 | CLS ahead |
| 2024-10-29 | 102.10 | 121.00 | -2.19 | CLS ahead |
| 2024-10-28 | 101.81 | 121.58 | -2.27 | CLS ahead |
| 2024-10-25 | 102.89 | 119.99 | -2.13 | CLS ahead |
| 2024-10-24 | 103.47 | 117.50 | -1.96 | CLS ahead |
| 2024-10-23 | 101.50 | 99.39 | -0.92 | CLS ahead |
| 2024-10-22 | 99.10 | 96.85 | -0.91 | CLS ahead |
| 2024-10-21 | 99.13 | 98.03 | -1.00 | CLS ahead |
| 2024-10-18 | 100.00 | 100.00 | -1.09 | CLS ahead |
One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Oct 24, 2024 (APH +1.9%, CLS +18.2%); Jan 27, 2025 (APH -12.6%, CLS -28.2%); Jul 29, 2025 (APH -1.3%, CLS +16.5%); Jan 28, 2026 (APH -12.2%, CLS +3.6%); Jan 29, 2026 (APH +2.5%, CLS -13.1%). Upcoming earnings: CLS Oct 26, 2026 (after-hours); APH Oct 28, 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)
No simulated trade through Oct 20, 2026: the pair rarely passed every test while 2 standard deviations apart.
Per $10,000 a leg. A replay on today's companies cannot prove an edge.
The companies
APH and CLS at a glance
APH Amphenol Corporation
- Listing
- NYSE · SEC CIK 820313
- Industry
- Electrical Products · SIC 3678 Electronic Connectors
- Market value
- $198.0B
- Price history
- 2,521 daily closes, Oct 12, 2016 to Oct 22, 2026
CLS Celestica Inc.
- Listing
- NYSE · SEC CIK 1030894
- Industry
- Electrical Products · SIC 3672 Printed Circuit Boards
- Market value
- $34.5B
- 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 APH and CLS
| Pair | Status | Ahead now | Industry |
|---|---|---|---|
| CLS / JBL | Watchlist | JBL by 0.95 sd | SIC 3672 Printed Circuit Boards |
| CLS / FLEX | Watchlist | neither | SIC 3672 Printed Circuit Boards |
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.
