Ecolab Inc. vs The Procter & Gamble Company
WatchlistECL / PGPrices through Oct 22, 2026
Why these are rivals: #1 and #3 by market value ($367B vs $80B) in Nasdaq's "Package Goods/Cosmetics" industry; SEC SIC 2840 / 2840 (same major group); #1 and #3 by market value ($367B vs $80B) with SEC SIC 2840 (Soap, Detergents, Cleang Preparations, Perfumes, Cosmetics).
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: 0.50 (needs >= 0.60)
Business leadership
PG is the larger business
Annual revenue reported to the SEC. Scale, not market share.
| Year | ECL | PG | Larger |
|---|---|---|---|
| 2025 | $16.1B | $84.3B | PG |
| 2024 | $15.7B | $84.0B | PG |
| 2023 | $15.3B | $82.0B | PG |
| 2022 | $14.2B | $80.2B | PG |
| 2021 | $12.7B | $76.1B | PG |
| 2020 | $11.8B | $71.0B | PG |
PG led in every year with figures for both. Market value: ECL $80.2B, PG $366.5B.
Stock leadership
PG is ahead now
Measured against the pair's own last 252 trading days.
PG leads ECL by 1.32 standard deviations: +4.5% over its usual price ratio. 3 lead switches in the last year.
| Price change | 3 mo | 6 mo | 12 mo |
|---|---|---|---|
| ECL | +8.8% | +7.7% | +5.1% |
| PG | +12.3% | +13.6% | +9.2% |
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: 0.50 (needs >= 0.60)
- Pass
- Mean reversion: ADF t-statistic of the spread: -3.09 (needs <= -2.873 (5% critical value))
- Pass
- Speed: half-life of the spread, sessions: 8.59 (needs <= 63)
- Data
- Both stocks current
The twins over two years
Prices side by side, and the gap between them
ECL Ecolab Inc. PG The Procter & Gamble CompanyPrice 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: ECL relative to PG, against the 252 sessions before each day. Above 0: ECL ahead; below 0: PG ahead. Lines at +/-2 (idea) and +/-4 (stop).
Data table (504 sessions)
| Date | ECL index | PG index | z | Ahead |
|---|---|---|---|---|
| 2026-10-22 | 111.80 | 96.68 | -1.32 | PG ahead |
| 2026-10-21 | 110.19 | 91.57 | -0.12 | near the usual relationship |
| 2026-10-20 | 110.21 | 93.02 | -0.59 | PG ahead |
| 2026-10-19 | 109.36 | 92.07 | -0.51 | PG ahead |
| 2026-10-16 | 110.49 | 93.03 | -0.52 | PG ahead |
| 2026-10-15 | 111.23 | 91.71 | +0.11 | near the usual relationship |
| 2026-10-14 | 110.04 | 91.39 | -0.10 | near the usual relationship |
| 2026-10-13 | 109.26 | 89.35 | +0.36 | near the usual relationship |
| 2026-10-12 | 108.74 | 89.44 | +0.19 | near the usual relationship |
| 2026-10-09 | 107.79 | 88.29 | +0.32 | near the usual relationship |
| 2026-10-08 | 107.74 | 87.92 | +0.43 | near the usual relationship |
| 2026-10-07 | 106.36 | 86.30 | +0.61 | ECL ahead |
| 2026-10-06 | 107.40 | 86.65 | +0.79 | ECL ahead |
| 2026-10-05 | 105.97 | 85.21 | +0.89 | ECL ahead |
| 2026-10-02 | 104.68 | 84.60 | +0.74 | ECL ahead |
| 2026-10-01 | 103.75 | 84.04 | +0.68 | ECL ahead |
| 2026-09-30 | 105.02 | 84.82 | +0.78 | ECL ahead |
| 2026-09-29 | 106.28 | 86.60 | +0.52 | ECL ahead |
| 2026-09-28 | 107.18 | 87.01 | +0.63 | ECL ahead |
| 2026-09-25 | 106.90 | 85.37 | +1.13 | ECL ahead |
| 2026-09-24 | 105.32 | 85.05 | +0.81 | ECL ahead |
| 2026-09-23 | 105.84 | 86.05 | +0.61 | ECL ahead |
| 2026-09-22 | 105.65 | 86.54 | +0.40 | near the usual relationship |
| 2026-09-21 | 103.26 | 85.29 | +0.16 | near the usual relationship |
| 2026-09-18 | 103.06 | 85.47 | +0.06 | near the usual relationship |
| 2026-09-17 | 103.91 | 86.15 | +0.08 | near the usual relationship |
| 2026-09-16 | 104.83 | 85.84 | +0.43 | near the usual relationship |
| 2026-09-15 | 105.03 | 85.63 | +0.55 | ECL ahead |
| 2026-09-14 | 105.37 | 85.32 | +0.75 | ECL ahead |
| 2026-09-11 | 105.63 | 84.81 | +0.99 | ECL ahead |
| 2026-09-10 | 103.88 | 83.47 | +0.97 | ECL ahead |
| 2026-09-09 | 104.11 | 83.28 | +1.11 | ECL ahead |
| 2026-09-08 | 106.37 | 85.00 | +1.14 | ECL ahead |
| 2026-09-04 | 106.82 | 85.50 | +1.10 | ECL ahead |
| 2026-09-03 | 106.70 | 85.78 | +0.99 | ECL ahead |
| 2026-09-02 | 107.05 | 86.20 | +0.96 | ECL ahead |
| 2026-09-01 | 107.19 | 85.36 | +1.26 | ECL ahead |
| 2026-08-31 | 108.31 | 84.73 | +1.77 | ECL ahead |
| 2026-08-28 | 109.67 | 83.94 | +2.39 | ECL ahead |
| 2026-08-27 | 109.35 | 83.57 | +2.47 | ECL ahead |
| 2026-08-26 | 111.15 | 84.66 | +2.61 | ECL ahead |
| 2026-08-25 | 110.74 | 84.89 | +2.47 | ECL ahead |
| 2026-08-24 | 109.76 | 85.59 | +2.01 | ECL ahead |
| 2026-08-21 | 107.71 | 84.47 | +1.87 | ECL ahead |
| 2026-08-20 | 107.66 | 83.47 | +2.23 | ECL ahead |
| 2026-08-19 | 109.24 | 84.29 | +2.40 | ECL ahead |
| 2026-08-18 | 107.09 | 83.75 | +2.04 | ECL ahead |
| 2026-08-17 | 105.50 | 83.56 | +1.68 | ECL ahead |
| 2026-08-14 | 105.60 | 84.39 | +1.42 | ECL ahead |
| 2026-08-13 | 105.66 | 84.22 | +1.51 | ECL ahead |
| 2026-08-12 | 106.49 | 84.12 | +1.81 | ECL ahead |
| 2026-08-11 | 108.86 | 84.78 | +2.26 | ECL ahead |
| 2026-08-10 | 108.77 | 85.50 | +2.01 | ECL ahead |
| 2026-08-07 | 109.07 | 85.12 | +2.26 | ECL ahead |
| 2026-08-06 | 108.41 | 85.81 | +1.84 | ECL ahead |
| 2026-08-05 | 109.18 | 85.71 | +2.12 | ECL ahead |
| 2026-08-04 | 108.29 | 86.41 | +1.63 | ECL ahead |
| 2026-08-03 | 106.87 | 84.64 | +1.88 | ECL ahead |
| 2026-07-31 | 106.18 | 84.36 | +1.80 | ECL ahead |
| 2026-07-30 | 106.84 | 84.05 | +2.11 | ECL ahead |
| 2026-07-29 | 108.51 | 85.30 | +2.16 | ECL ahead |
| 2026-07-28 | 108.20 | 86.92 | +1.49 | ECL ahead |
| 2026-07-27 | 103.79 | 86.78 | +0.26 | near the usual relationship |
| 2026-07-24 | 102.79 | 86.06 | +0.22 | near the usual relationship |
| 2026-07-23 | 100.64 | 85.81 | -0.33 | near the usual relationship |
| 2026-07-22 | 102.07 | 87.07 | -0.34 | near the usual relationship |
| 2026-07-21 | 101.05 | 86.47 | -0.43 | near the usual relationship |
| 2026-07-20 | 102.75 | 87.07 | -0.13 | near the usual relationship |
| 2026-07-17 | 104.35 | 87.56 | +0.17 | near the usual relationship |
| 2026-07-16 | 105.45 | 88.45 | +0.19 | near the usual relationship |
| 2026-07-15 | 103.36 | 86.44 | +0.28 | near the usual relationship |
| 2026-07-14 | 103.17 | 85.29 | +0.64 | ECL ahead |
| 2026-07-13 | 103.97 | 86.62 | +0.41 | near the usual relationship |
| 2026-07-10 | 104.91 | 85.85 | +0.95 | ECL ahead |
| 2026-07-09 | 104.43 | 85.74 | +0.86 | ECL ahead |
| 2026-07-08 | 104.84 | 86.64 | +0.67 | ECL ahead |
| 2026-07-07 | 108.27 | 89.18 | +0.77 | ECL ahead |
| 2026-07-06 | 108.51 | 87.17 | +1.51 | ECL ahead |
| 2026-07-02 | 108.38 | 88.40 | +1.07 | ECL ahead |
| 2026-07-01 | 106.47 | 86.08 | +1.34 | ECL ahead |
| 2026-06-30 | 106.56 | 85.61 | +1.52 | ECL ahead |
| 2026-06-29 | 106.56 | 86.67 | +1.18 | ECL ahead |
| 2026-06-26 | 108.49 | 87.00 | +1.59 | ECL ahead |
| 2026-06-25 | 107.55 | 86.70 | +1.45 | ECL ahead |
| 2026-06-24 | 105.67 | 88.77 | +0.30 | near the usual relationship |
| 2026-06-23 | 102.75 | 88.08 | -0.25 | near the usual relationship |
| 2026-06-22 | 103.01 | 86.22 | +0.41 | near the usual relationship |
| 2026-06-18 | 102.93 | 87.80 | -0.09 | near the usual relationship |
| 2026-06-17 | 102.91 | 87.90 | -0.12 | near the usual relationship |
| 2026-06-16 | 104.75 | 89.03 | +0.02 | near the usual relationship |
| 2026-06-15 | 102.72 | 87.84 | -0.13 | near the usual relationship |
| 2026-06-12 | 101.51 | 87.35 | -0.29 | near the usual relationship |
| 2026-06-11 | 100.83 | 86.61 | -0.23 | near the usual relationship |
| 2026-06-10 | 98.29 | 87.02 | -0.99 | PG ahead |
| 2026-06-09 | 101.14 | 86.80 | -0.19 | near the usual relationship |
| 2026-06-08 | 98.45 | 84.72 | -0.25 | near the usual relationship |
| 2026-06-05 | 98.67 | 85.56 | -0.42 | near the usual relationship |
| 2026-06-04 | 97.27 | 82.19 | +0.22 | near the usual relationship |
| 2026-06-03 | 97.79 | 81.85 | +0.46 | near the usual relationship |
| 2026-06-02 | 98.01 | 82.22 | +0.41 | near the usual relationship |
| 2026-06-01 | 95.80 | 81.90 | -0.02 | near the usual relationship |
| 2026-05-29 | 97.91 | 83.82 | -0.04 | near the usual relationship |
| 2026-05-28 | 99.54 | 85.19 | -0.02 | near the usual relationship |
| 2026-05-27 | 100.43 | 86.11 | -0.05 | near the usual relationship |
| 2026-05-26 | 97.23 | 83.47 | -0.06 | near the usual relationship |
| 2026-05-22 | 96.89 | 84.33 | -0.35 | near the usual relationship |
| 2026-05-21 | 95.69 | 83.72 | -0.45 | near the usual relationship |
| 2026-05-20 | 95.10 | 83.16 | -0.42 | near the usual relationship |
| 2026-05-19 | 93.98 | 82.50 | -0.49 | near the usual relationship |
| 2026-05-18 | 95.31 | 83.13 | -0.34 | near the usual relationship |
| 2026-05-15 | 94.71 | 82.65 | -0.34 | near the usual relationship |
| 2026-05-14 | 95.19 | 83.32 | -0.39 | near the usual relationship |
| 2026-05-13 | 95.47 | 83.05 | -0.26 | near the usual relationship |
| 2026-05-12 | 96.27 | 84.02 | -0.31 | near the usual relationship |
| 2026-05-11 | 96.04 | 83.70 | -0.28 | near the usual relationship |
| 2026-05-08 | 97.23 | 85.49 | -0.43 | near the usual relationship |
| 2026-05-07 | 98.12 | 85.28 | -0.20 | near the usual relationship |
| 2026-05-06 | 100.75 | 86.35 | +0.07 | near the usual relationship |
| 2026-05-05 | 98.54 | 84.60 | +0.04 | near the usual relationship |
| 2026-05-04 | 97.75 | 83.73 | +0.09 | near the usual relationship |
| 2026-05-01 | 99.25 | 85.98 | -0.10 | near the usual relationship |
| 2026-04-30 | 99.67 | 85.88 | +0.01 | near the usual relationship |
| 2026-04-29 | 98.15 | 85.51 | -0.18 | near the usual relationship |
| 2026-04-28 | 102.10 | 87.09 | +0.21 | near the usual relationship |
| 2026-04-27 | 102.46 | 86.64 | +0.36 | near the usual relationship |
| 2026-04-24 | 103.07 | 86.51 | +0.49 | near the usual relationship |
| 2026-04-23 | 103.82 | 85.07 | +0.89 | ECL ahead |
| 2026-04-22 | 102.86 | 83.40 | +1.05 | ECL ahead |
| 2026-04-21 | 103.59 | 83.09 | +1.21 | ECL ahead |
| 2026-04-20 | 105.44 | 84.36 | +1.25 | ECL ahead |
| 2026-04-17 | 105.10 | 85.78 | +0.94 | ECL ahead |
| 2026-04-16 | 102.97 | 83.55 | +1.03 | ECL ahead |
| 2026-04-15 | 103.41 | 83.71 | +1.06 | ECL ahead |
| 2026-04-14 | 104.46 | 84.29 | +1.11 | ECL ahead |
| 2026-04-13 | 105.26 | 83.83 | +1.30 | ECL ahead |
| 2026-04-10 | 104.52 | 84.75 | +1.05 | ECL ahead |
| 2026-04-09 | 104.21 | 85.63 | +0.86 | ECL ahead |
| 2026-04-08 | 104.61 | 84.60 | +1.08 | ECL ahead |
| 2026-04-07 | 100.31 | 82.50 | +0.86 | ECL ahead |
| 2026-04-06 | 102.13 | 83.35 | +0.97 | ECL ahead |
| 2026-04-02 | 101.08 | 83.56 | +0.81 | ECL ahead |
| 2026-04-01 | 103.09 | 84.13 | +0.98 | ECL ahead |
| 2026-03-31 | 101.74 | 84.33 | +0.78 | ECL ahead |
| 2026-03-30 | 100.39 | 84.49 | +0.59 | ECL ahead |
| 2026-03-27 | 99.97 | 83.32 | +0.72 | ECL ahead |
| 2026-03-26 | 101.07 | 83.15 | +0.90 | ECL ahead |
| 2026-03-25 | 102.71 | 84.03 | +0.98 | ECL ahead |
| 2026-03-24 | 101.16 | 83.58 | +0.86 | ECL ahead |
| 2026-03-23 | 99.87 | 84.07 | +0.63 | ECL ahead |
| 2026-03-20 | 98.10 | 84.24 | +0.38 | near the usual relationship |
| 2026-03-19 | 98.94 | 84.56 | +0.44 | near the usual relationship |
| 2026-03-18 | 100.15 | 85.66 | +0.44 | near the usual relationship |
| 2026-03-17 | 104.26 | 88.44 | +0.55 | ECL ahead |
| 2026-03-16 | 104.46 | 88.81 | +0.53 | ECL ahead |
| 2026-03-13 | 104.86 | 87.96 | +0.70 | ECL ahead |
| 2026-03-12 | 105.52 | 87.87 | +0.80 | ECL ahead |
| 2026-03-11 | 105.94 | 89.51 | +0.62 | ECL ahead |
| 2026-03-10 | 107.62 | 91.08 | +0.61 | ECL ahead |
| 2026-03-09 | 107.80 | 90.62 | +0.70 | ECL ahead |
| 2026-03-06 | 108.12 | 89.70 | +0.86 | ECL ahead |
| 2026-03-05 | 109.74 | 89.91 | +1.02 | ECL ahead |
| 2026-03-04 | 113.93 | 92.42 | +1.15 | ECL ahead |
| 2026-03-03 | 114.15 | 93.25 | +1.08 | ECL ahead |
| 2026-03-02 | 116.06 | 95.46 | +1.00 | ECL ahead |
| 2026-02-27 | 117.93 | 97.62 | +0.93 | ECL ahead |
| 2026-02-26 | 117.33 | 95.60 | +1.13 | ECL ahead |
| 2026-02-25 | 117.23 | 95.39 | +1.16 | ECL ahead |
| 2026-02-24 | 117.86 | 96.50 | +1.09 | ECL ahead |
| 2026-02-23 | 116.91 | 96.43 | +1.01 | ECL ahead |
| 2026-02-20 | 116.33 | 93.87 | +1.28 | ECL ahead |
| 2026-02-19 | 115.12 | 92.57 | +1.34 | ECL ahead |
| 2026-02-18 | 115.73 | 91.58 | +1.55 | ECL ahead |
| 2026-02-17 | 116.19 | 93.15 | +1.40 | ECL ahead |
| 2026-02-13 | 114.42 | 93.46 | +1.18 | ECL ahead |
| 2026-02-12 | 115.00 | 94.12 | +1.17 | ECL ahead |
| 2026-02-11 | 116.10 | 93.41 | +1.38 | ECL ahead |
| 2026-02-10 | 114.59 | 92.88 | +1.30 | ECL ahead |
| 2026-02-09 | 110.21 | 91.86 | +0.97 | ECL ahead |
| 2026-02-06 | 111.04 | 92.93 | +0.93 | ECL ahead |
| 2026-02-05 | 109.84 | 92.60 | +0.85 | ECL ahead |
| 2026-02-04 | 110.21 | 91.59 | +1.03 | ECL ahead |
| 2026-02-03 | 108.02 | 90.68 | +0.91 | ECL ahead |
| 2026-02-02 | 108.49 | 89.44 | +1.14 | ECL ahead |
| 2026-01-30 | 107.85 | 88.61 | +1.19 | ECL ahead |
| 2026-01-29 | 108.17 | 87.52 | +1.38 | ECL ahead |
| 2026-01-28 | 107.65 | 86.02 | +1.54 | ECL ahead |
| 2026-01-27 | 108.66 | 86.61 | +1.58 | ECL ahead |
| 2026-01-26 | 108.49 | 87.28 | +1.49 | ECL ahead |
| 2026-01-23 | 107.82 | 87.66 | +1.37 | ECL ahead |
| 2026-01-22 | 107.66 | 87.54 | +1.38 | ECL ahead |
| 2026-01-21 | 107.04 | 85.28 | +1.64 | ECL ahead |
| 2026-01-20 | 104.41 | 85.82 | +1.27 | ECL ahead |
| 2026-01-16 | 105.97 | 84.38 | +1.67 | ECL ahead |
| 2026-01-15 | 106.22 | 84.44 | +1.70 | ECL ahead |
| 2026-01-14 | 105.43 | 85.44 | +1.48 | ECL ahead |
| 2026-01-13 | 104.62 | 84.21 | +1.58 | ECL ahead |
| 2026-01-12 | 103.65 | 83.76 | +1.54 | ECL ahead |
| 2026-01-09 | 103.93 | 82.83 | +1.72 | ECL ahead |
| 2026-01-08 | 103.93 | 82.63 | +1.76 | ECL ahead |
| 2026-01-07 | 102.79 | 80.59 | +1.94 | ECL ahead |
| 2026-01-06 | 103.85 | 81.68 | +1.92 | ECL ahead |
| 2026-01-05 | 100.66 | 81.95 | +1.52 | ECL ahead |
| 2026-01-02 | 100.45 | 82.78 | +1.38 | ECL ahead |
| 2025-12-31 | 100.41 | 83.67 | +1.26 | ECL ahead |
| 2025-12-30 | 101.16 | 84.10 | +1.29 | ECL ahead |
| 2025-12-29 | 101.55 | 84.41 | +1.31 | ECL ahead |
| 2025-12-26 | 101.64 | 84.50 | +1.31 | ECL ahead |
| 2025-12-24 | 101.58 | 84.36 | +1.33 | ECL ahead |
| 2025-12-23 | 101.25 | 83.59 | +1.41 | ECL ahead |
| 2025-12-22 | 102.26 | 83.31 | +1.58 | ECL ahead |
| 2025-12-19 | 100.81 | 84.34 | +1.28 | ECL ahead |
| 2025-12-18 | 100.56 | 84.96 | +1.17 | ECL ahead |
| 2025-12-17 | 100.16 | 86.30 | +0.96 | ECL ahead |
| 2025-12-16 | 99.26 | 84.78 | +1.06 | ECL ahead |
| 2025-12-15 | 99.87 | 84.73 | +1.15 | ECL ahead |
| 2025-12-12 | 100.82 | 83.40 | +1.45 | ECL ahead |
| 2025-12-11 | 99.95 | 82.18 | +1.54 | ECL ahead |
| 2025-12-10 | 98.47 | 81.63 | +1.45 | ECL ahead |
| 2025-12-09 | 96.88 | 81.52 | +1.29 | ECL ahead |
| 2025-12-08 | 98.35 | 80.77 | +1.58 | ECL ahead |
| 2025-12-05 | 99.32 | 83.75 | +1.29 | ECL ahead |
| 2025-12-04 | 101.13 | 84.87 | +1.35 | ECL ahead |
| 2025-12-03 | 101.10 | 85.66 | +1.25 | ECL ahead |
| 2025-12-02 | 103.61 | 85.16 | +1.61 | ECL ahead |
| 2025-12-01 | 104.36 | 86.08 | +1.58 | ECL ahead |
| 2025-11-28 | 105.24 | 86.50 | +1.63 | ECL ahead |
| 2025-11-26 | 105.17 | 86.55 | +1.63 | ECL ahead |
| 2025-11-25 | 104.59 | 86.69 | +1.56 | ECL ahead |
| 2025-11-24 | 102.81 | 85.81 | +1.49 | ECL ahead |
| 2025-11-21 | 102.15 | 88.11 | +1.13 | ECL ahead |
| 2025-11-20 | 100.11 | 86.52 | +1.11 | ECL ahead |
| 2025-11-19 | 100.02 | 85.82 | +1.21 | ECL ahead |
| 2025-11-18 | 97.79 | 85.82 | +0.96 | ECL ahead |
| 2025-11-17 | 97.71 | 85.14 | +1.05 | ECL ahead |
| 2025-11-14 | 98.90 | 86.22 | +1.05 | ECL ahead |
| 2025-11-13 | 100.20 | 86.38 | +1.19 | ECL ahead |
| 2025-11-12 | 99.85 | 86.41 | +1.15 | ECL ahead |
| 2025-11-11 | 100.23 | 86.72 | +1.16 | ECL ahead |
| 2025-11-10 | 98.89 | 84.95 | +1.26 | ECL ahead |
| 2025-11-07 | 97.96 | 85.81 | +1.04 | ECL ahead |
| 2025-11-06 | 96.79 | 85.32 | +0.97 | ECL ahead |
| 2025-11-05 | 99.03 | 85.12 | +1.28 | ECL ahead |
| 2025-11-04 | 98.93 | 85.92 | +1.17 | ECL ahead |
| 2025-11-03 | 98.47 | 86.42 | +1.05 | ECL ahead |
| 2025-10-31 | 98.06 | 87.79 | +0.83 | ECL ahead |
| 2025-10-30 | 98.33 | 87.33 | +0.93 | ECL ahead |
| 2025-10-29 | 98.47 | 86.86 | +1.02 | ECL ahead |
| 2025-10-28 | 102.61 | 88.38 | +1.30 | ECL ahead |
| 2025-10-27 | 106.98 | 88.59 | +1.78 | ECL ahead |
| 2025-10-24 | 106.03 | 89.03 | +1.63 | ECL ahead |
| 2025-10-23 | 105.19 | 88.87 | +1.58 | ECL ahead |
| 2025-10-22 | 105.56 | 88.86 | +1.64 | ECL ahead |
| 2025-10-21 | 106.40 | 88.52 | +1.79 | ECL ahead |
| 2025-10-20 | 107.16 | 88.72 | +1.87 | ECL ahead |
| 2025-10-17 | 105.85 | 88.39 | +1.79 | ECL ahead |
| 2025-10-16 | 103.50 | 87.34 | +1.68 | ECL ahead |
| 2025-10-15 | 104.68 | 86.07 | +2.02 | ECL ahead |
| 2025-10-14 | 104.43 | 87.09 | +1.87 | ECL ahead |
| 2025-10-13 | 103.35 | 86.11 | +1.90 | ECL ahead |
| 2025-10-10 | 104.06 | 87.39 | +1.82 | ECL ahead |
| 2025-10-09 | 104.24 | 87.91 | +1.79 | ECL ahead |
| 2025-10-08 | 107.61 | 87.98 | +2.21 | ECL ahead |
| 2025-10-07 | 106.70 | 89.06 | +1.97 | ECL ahead |
| 2025-10-06 | 106.99 | 87.82 | +2.22 | ECL ahead |
| 2025-10-03 | 105.79 | 88.90 | +1.94 | ECL ahead |
| 2025-10-02 | 104.80 | 88.77 | +1.85 | ECL ahead |
| 2025-10-01 | 103.16 | 89.43 | +1.57 | ECL ahead |
| 2025-09-30 | 104.74 | 89.71 | +1.75 | ECL ahead |
| 2025-09-29 | 104.38 | 89.64 | +1.73 | ECL ahead |
| 2025-09-26 | 103.65 | 89.04 | +1.74 | ECL ahead |
| 2025-09-25 | 102.21 | 88.83 | +1.60 | ECL ahead |
| 2025-09-24 | 102.12 | 88.99 | +1.58 | ECL ahead |
| 2025-09-23 | 101.66 | 89.04 | +1.53 | ECL ahead |
| 2025-09-22 | 102.15 | 89.37 | +1.56 | ECL ahead |
| 2025-09-19 | 101.54 | 91.10 | +1.23 | ECL ahead |
| 2025-09-18 | 101.29 | 91.85 | +1.10 | ECL ahead |
| 2025-09-17 | 101.49 | 93.61 | +0.88 | ECL ahead |
| 2025-09-16 | 100.99 | 92.28 | +1.01 | ECL ahead |
| 2025-09-15 | 103.50 | 91.56 | +1.46 | ECL ahead |
| 2025-09-12 | 104.27 | 92.19 | +1.48 | ECL ahead |
| 2025-09-11 | 105.13 | 92.61 | +1.54 | ECL ahead |
| 2025-09-10 | 102.92 | 91.87 | +1.37 | ECL ahead |
| 2025-09-09 | 103.52 | 93.10 | +1.28 | ECL ahead |
| 2025-09-08 | 105.31 | 92.84 | +1.56 | ECL ahead |
| 2025-09-05 | 104.63 | 93.43 | +1.40 | ECL ahead |
| 2025-09-04 | 105.16 | 92.94 | +1.56 | ECL ahead |
| 2025-09-03 | 104.50 | 92.35 | +1.57 | ECL ahead |
| 2025-09-02 | 105.10 | 92.24 | +1.68 | ECL ahead |
| 2025-08-29 | 105.96 | 91.69 | +1.90 | ECL ahead |
| 2025-08-28 | 106.72 | 90.87 | +2.15 | ECL ahead |
| 2025-08-27 | 107.24 | 91.64 | +2.13 | ECL ahead |
| 2025-08-26 | 106.79 | 91.06 | +2.19 | ECL ahead |
| 2025-08-25 | 106.46 | 91.17 | +2.16 | ECL ahead |
| 2025-08-22 | 108.52 | 92.64 | +2.23 | ECL ahead |
| 2025-08-21 | 108.26 | 92.67 | +2.22 | ECL ahead |
| 2025-08-20 | 109.18 | 93.13 | +2.31 | ECL ahead |
| 2025-08-19 | 108.49 | 92.48 | +2.35 | ECL ahead |
| 2025-08-18 | 107.12 | 90.92 | +2.45 | ECL ahead |
| 2025-08-15 | 107.41 | 90.12 | +2.67 | ECL ahead |
| 2025-08-14 | 107.08 | 89.76 | +2.73 | ECL ahead |
| 2025-08-13 | 107.79 | 90.73 | +2.71 | ECL ahead |
| 2025-08-12 | 105.80 | 90.55 | +2.49 | ECL ahead |
| 2025-08-11 | 104.60 | 90.48 | +2.36 | ECL ahead |
| 2025-08-08 | 104.36 | 89.63 | +2.50 | ECL ahead |
| 2025-08-07 | 103.18 | 89.61 | +2.36 | ECL ahead |
| 2025-08-06 | 102.80 | 89.25 | +2.40 | ECL ahead |
| 2025-08-05 | 101.92 | 87.87 | +2.55 | ECL ahead |
| 2025-08-04 | 101.08 | 88.02 | +2.43 | ECL ahead |
| 2025-08-01 | 99.83 | 87.96 | +2.27 | ECL ahead |
| 2025-07-31 | 100.11 | 87.85 | +2.37 | ECL ahead |
| 2025-07-30 | 100.64 | 89.26 | +2.22 | ECL ahead |
| 2025-07-29 | 99.21 | 91.44 | +1.59 | ECL ahead |
| 2025-07-28 | 103.26 | 91.73 | +2.25 | ECL ahead |
| 2025-07-25 | 103.94 | 92.42 | +2.26 | ECL ahead |
| 2025-07-24 | 103.20 | 92.72 | +2.11 | ECL ahead |
| 2025-07-23 | 102.69 | 92.41 | +2.11 | ECL ahead |
| 2025-07-22 | 103.48 | 92.43 | +2.27 | ECL ahead |
| 2025-07-21 | 102.54 | 90.51 | +2.52 | ECL ahead |
| 2025-07-18 | 102.79 | 90.55 | +2.60 | ECL ahead |
| 2025-07-17 | 102.89 | 90.86 | +2.61 | ECL ahead |
| 2025-07-16 | 102.39 | 89.75 | +2.80 | ECL ahead |
| 2025-07-15 | 101.29 | 89.14 | +2.77 | ECL ahead |
| 2025-07-14 | 102.59 | 89.77 | +2.94 | ECL ahead |
| 2025-07-11 | 102.10 | 91.69 | +2.49 | ECL ahead |
| 2025-07-10 | 102.04 | 92.53 | +2.33 | ECL ahead |
| 2025-07-09 | 102.58 | 91.97 | +2.60 | ECL ahead |
| 2025-07-08 | 102.85 | 92.18 | +2.65 | ECL ahead |
| 2025-07-07 | 103.95 | 93.71 | +2.58 | ECL ahead |
| 2025-07-03 | 104.83 | 93.90 | +2.76 | ECL ahead |
| 2025-07-02 | 104.21 | 94.11 | +2.64 | ECL ahead |
| 2025-07-01 | 104.26 | 94.13 | +2.70 | ECL ahead |
| 2025-06-30 | 103.05 | 93.02 | +2.75 | ECL ahead |
| 2025-06-27 | 102.29 | 93.33 | +2.56 | ECL ahead |
| 2025-06-26 | 100.68 | 92.61 | +2.43 | ECL ahead |
| 2025-06-25 | 101.91 | 92.81 | +2.69 | ECL ahead |
| 2025-06-24 | 102.06 | 93.62 | +2.58 | ECL ahead |
| 2025-06-23 | 101.72 | 94.02 | +2.45 | ECL ahead |
| 2025-06-20 | 99.91 | 92.88 | +2.35 | ECL ahead |
| 2025-06-18 | 99.53 | 92.26 | +2.46 | ECL ahead |
| 2025-06-17 | 99.95 | 92.55 | +2.52 | ECL ahead |
| 2025-06-16 | 101.79 | 93.93 | +2.65 | ECL ahead |
| 2025-06-13 | 101.05 | 93.58 | +2.61 | ECL ahead |
| 2025-06-12 | 103.63 | 95.27 | +2.84 | ECL ahead |
| 2025-06-11 | 102.48 | 94.65 | +2.78 | ECL ahead |
| 2025-06-10 | 103.03 | 95.07 | +2.86 | ECL ahead |
| 2025-06-09 | 101.87 | 94.91 | +2.67 | ECL ahead |
| 2025-06-06 | 102.14 | 95.76 | +2.54 | ECL ahead |
| 2025-06-05 | 102.09 | 95.05 | +2.77 | ECL ahead |
| 2025-06-04 | 102.13 | 96.89 | +2.32 | ECL ahead |
| 2025-06-03 | 101.51 | 97.41 | +2.04 | ECL ahead |
| 2025-06-02 | 101.41 | 97.96 | +1.88 | ECL ahead |
| 2025-05-30 | 101.59 | 99.19 | +1.61 | ECL ahead |
| 2025-05-29 | 101.08 | 98.41 | +1.70 | ECL ahead |
| 2025-05-28 | 100.49 | 97.71 | +1.76 | ECL ahead |
| 2025-05-27 | 101.54 | 97.94 | +1.99 | ECL ahead |
| 2025-05-23 | 99.86 | 96.84 | +1.87 | ECL ahead |
| 2025-05-22 | 99.31 | 96.35 | +1.87 | ECL ahead |
| 2025-05-21 | 99.80 | 96.58 | +1.96 | ECL ahead |
| 2025-05-20 | 100.35 | 96.71 | +2.10 | ECL ahead |
| 2025-05-19 | 99.96 | 96.20 | +2.16 | ECL ahead |
| 2025-05-16 | 99.09 | 95.33 | +2.20 | ECL ahead |
| 2025-05-15 | 97.88 | 94.82 | +2.03 | ECL ahead |
| 2025-05-14 | 95.67 | 92.26 | +2.19 | ECL ahead |
| 2025-05-13 | 96.19 | 92.67 | +2.24 | ECL ahead |
| 2025-05-12 | 97.33 | 93.94 | +2.22 | ECL ahead |
| 2025-05-09 | 96.64 | 92.05 | +2.64 | ECL ahead |
| 2025-05-08 | 96.92 | 92.63 | +2.58 | ECL ahead |
| 2025-05-07 | 97.27 | 93.00 | +2.61 | ECL ahead |
| 2025-05-06 | 96.63 | 92.98 | +2.46 | ECL ahead |
| 2025-05-05 | 97.57 | 92.73 | +2.86 | ECL ahead |
| 2025-05-02 | 97.67 | 93.72 | +2.62 | ECL ahead |
| 2025-05-01 | 96.62 | 93.40 | +2.43 | ECL ahead |
| 2025-04-30 | 96.16 | 94.91 | +1.81 | ECL ahead |
| 2025-04-29 | 94.44 | 94.73 | +1.33 | ECL ahead |
| 2025-04-28 | 91.42 | 94.49 | +0.44 | near the usual relationship |
| 2025-04-25 | 91.08 | 94.01 | +0.49 | near the usual relationship |
| 2025-04-24 | 91.67 | 93.14 | +0.96 | ECL ahead |
| 2025-04-23 | 91.01 | 96.76 | -0.36 | near the usual relationship |
| 2025-04-22 | 90.57 | 98.01 | -0.88 | PG ahead |
| 2025-04-21 | 88.55 | 96.77 | -1.16 | PG ahead |
| 2025-04-17 | 91.31 | 99.62 | -1.12 | PG ahead |
| 2025-04-16 | 90.25 | 97.15 | -0.72 | PG ahead |
| 2025-04-15 | 91.10 | 98.36 | -0.81 | PG ahead |
| 2025-04-14 | 91.26 | 98.74 | -0.87 | PG ahead |
| 2025-04-11 | 90.00 | 97.45 | -0.89 | PG ahead |
| 2025-04-10 | 88.94 | 95.49 | -0.65 | PG ahead |
| 2025-04-09 | 90.86 | 94.77 | +0.19 | near the usual relationship |
| 2025-04-08 | 86.30 | 92.47 | -0.59 | PG ahead |
| 2025-04-07 | 88.09 | 93.55 | -0.33 | near the usual relationship |
| 2025-04-04 | 90.94 | 95.60 | -0.04 | near the usual relationship |
| 2025-04-03 | 95.71 | 100.65 | -0.04 | near the usual relationship |
| 2025-04-02 | 97.02 | 98.96 | +0.85 | ECL ahead |
| 2025-04-01 | 97.25 | 99.58 | +0.75 | ECL ahead |
| 2025-03-31 | 96.96 | 99.50 | +0.69 | ECL ahead |
| 2025-03-28 | 95.43 | 98.10 | +0.64 | ECL ahead |
| 2025-03-27 | 96.64 | 98.50 | +0.90 | ECL ahead |
| 2025-03-26 | 96.53 | 97.26 | +1.25 | ECL ahead |
| 2025-03-25 | 96.08 | 95.08 | +1.79 | ECL ahead |
| 2025-03-24 | 96.62 | 96.71 | +1.47 | ECL ahead |
| 2025-03-21 | 96.00 | 97.32 | +1.10 | ECL ahead |
| 2025-03-20 | 96.36 | 97.82 | +1.07 | ECL ahead |
| 2025-03-19 | 97.19 | 98.42 | +1.15 | ECL ahead |
| 2025-03-18 | 97.03 | 97.92 | +1.27 | ECL ahead |
| 2025-03-17 | 96.34 | 99.11 | +0.70 | ECL ahead |
| 2025-03-14 | 95.98 | 98.07 | +0.91 | ECL ahead |
| 2025-03-13 | 96.04 | 98.43 | +0.83 | ECL ahead |
| 2025-03-12 | 97.60 | 98.30 | +1.35 | ECL ahead |
| 2025-03-11 | 99.08 | 101.07 | +0.98 | ECL ahead |
| 2025-03-10 | 101.61 | 102.91 | +1.21 | ECL ahead |
| 2025-03-07 | 102.98 | 102.73 | +1.67 | ECL ahead |
| 2025-03-06 | 101.83 | 101.97 | +1.57 | ECL ahead |
| 2025-03-05 | 103.12 | 101.94 | +1.98 | ECL ahead |
| 2025-03-04 | 102.41 | 101.11 | +2.04 | ECL ahead |
| 2025-03-03 | 103.20 | 102.52 | +1.88 | ECL ahead |
| 2025-02-28 | 102.89 | 101.49 | +2.11 | ECL ahead |
| 2025-02-27 | 102.19 | 100.40 | +2.26 | ECL ahead |
| 2025-02-26 | 101.92 | 100.01 | +2.33 | ECL ahead |
| 2025-02-25 | 101.62 | 100.80 | +2.02 | ECL ahead |
| 2025-02-24 | 100.90 | 99.57 | +2.20 | ECL ahead |
| 2025-02-21 | 101.24 | 99.39 | +2.39 | ECL ahead |
| 2025-02-20 | 102.25 | 97.62 | +3.33 | ECL ahead |
| 2025-02-19 | 101.83 | 97.20 | +3.42 | ECL ahead |
| 2025-02-18 | 101.82 | 96.58 | +3.74 | ECL ahead |
| 2025-02-14 | 101.25 | 95.10 | +4.22 | ECL ahead |
| 2025-02-13 | 101.53 | 99.85 | +2.64 | ECL ahead |
| 2025-02-12 | 100.22 | 99.01 | +2.47 | ECL ahead |
| 2025-02-11 | 99.91 | 98.92 | +2.38 | ECL ahead |
| 2025-02-10 | 94.06 | 97.81 | +0.77 | ECL ahead |
| 2025-02-07 | 94.62 | 98.07 | +0.87 | ECL ahead |
| 2025-02-06 | 95.63 | 98.60 | +1.01 | ECL ahead |
| 2025-02-05 | 95.51 | 98.67 | +0.94 | ECL ahead |
| 2025-02-04 | 95.17 | 98.16 | +0.99 | ECL ahead |
| 2025-02-03 | 95.43 | 98.53 | +0.96 | ECL ahead |
| 2025-01-31 | 95.69 | 96.91 | +1.48 | ECL ahead |
| 2025-01-30 | 96.58 | 97.74 | +1.50 | ECL ahead |
| 2025-01-29 | 94.44 | 97.05 | +1.09 | ECL ahead |
| 2025-01-28 | 95.43 | 97.03 | +1.37 | ECL ahead |
| 2025-01-27 | 94.16 | 99.05 | +0.49 | near the usual relationship |
| 2025-01-24 | 92.58 | 95.82 | +0.91 | ECL ahead |
| 2025-01-23 | 92.91 | 97.00 | +0.69 | ECL ahead |
| 2025-01-22 | 92.42 | 96.18 | +0.78 | ECL ahead |
| 2025-01-21 | 92.20 | 94.42 | +1.20 | ECL ahead |
| 2025-01-17 | 90.81 | 94.07 | +0.91 | ECL ahead |
| 2025-01-16 | 91.47 | 93.71 | +1.20 | ECL ahead |
| 2025-01-15 | 90.47 | 93.21 | +1.07 | ECL ahead |
| 2025-01-14 | 89.46 | 93.26 | +0.78 | ECL ahead |
| 2025-01-13 | 89.29 | 92.74 | +0.88 | ECL ahead |
| 2025-01-10 | 87.86 | 92.57 | +0.53 | ECL ahead |
| 2025-01-08 | 89.72 | 94.64 | +0.50 | ECL ahead |
| 2025-01-07 | 88.52 | 94.17 | +0.30 | near the usual relationship |
| 2025-01-06 | 88.50 | 93.76 | +0.41 | near the usual relationship |
| 2025-01-03 | 88.71 | 96.41 | -0.20 | near the usual relationship |
| 2025-01-02 | 88.32 | 96.91 | -0.42 | near the usual relationship |
| 2024-12-31 | 89.62 | 97.88 | -0.31 | near the usual relationship |
| 2024-12-30 | 89.70 | 97.55 | -0.21 | near the usual relationship |
| 2024-12-27 | 90.94 | 98.98 | -0.22 | near the usual relationship |
| 2024-12-26 | 91.55 | 99.35 | -0.15 | near the usual relationship |
| 2024-12-24 | 92.08 | 98.63 | +0.16 | near the usual relationship |
| 2024-12-23 | 91.44 | 98.15 | +0.12 | near the usual relationship |
| 2024-12-20 | 91.14 | 98.12 | +0.05 | near the usual relationship |
| 2024-12-19 | 90.08 | 98.78 | -0.38 | near the usual relationship |
| 2024-12-18 | 90.90 | 98.72 | -0.15 | near the usual relationship |
| 2024-12-17 | 94.15 | 99.45 | +0.52 | ECL ahead |
| 2024-12-16 | 95.00 | 99.92 | +0.62 | ECL ahead |
| 2024-12-13 | 95.69 | 99.87 | +0.81 | ECL ahead |
| 2024-12-12 | 95.16 | 99.75 | +0.71 | ECL ahead |
| 2024-12-11 | 93.88 | 99.62 | +0.43 | near the usual relationship |
| 2024-12-10 | 94.49 | 100.58 | +0.37 | near the usual relationship |
| 2024-12-09 | 95.39 | 99.71 | +0.79 | ECL ahead |
| 2024-12-06 | 95.75 | 101.48 | +0.48 | near the usual relationship |
| 2024-12-05 | 94.84 | 102.77 | -0.02 | near the usual relationship |
| 2024-12-04 | 95.18 | 102.24 | +0.19 | near the usual relationship |
| 2024-12-03 | 94.92 | 102.42 | +0.09 | near the usual relationship |
| 2024-12-02 | 95.02 | 104.92 | -0.40 | near the usual relationship |
| 2024-11-29 | 95.15 | 104.66 | -0.31 | near the usual relationship |
| 2024-11-27 | 94.74 | 104.72 | -0.40 | near the usual relationship |
| 2024-11-26 | 94.61 | 104.69 | -0.40 | near the usual relationship |
| 2024-11-25 | 94.44 | 103.57 | -0.20 | near the usual relationship |
| 2024-11-22 | 93.82 | 102.92 | -0.20 | near the usual relationship |
| 2024-11-21 | 93.10 | 100.86 | +0.07 | near the usual relationship |
| 2024-11-20 | 92.47 | 99.77 | +0.16 | near the usual relationship |
| 2024-11-19 | 93.44 | 99.70 | +0.39 | near the usual relationship |
| 2024-11-18 | 94.08 | 99.69 | +0.53 | ECL ahead |
| 2024-11-15 | 93.80 | 98.98 | +0.61 | ECL ahead |
| 2024-11-14 | 94.70 | 97.55 | +1.08 | ECL ahead |
| 2024-11-13 | 95.58 | 97.26 | +1.30 | ECL ahead |
| 2024-11-12 | 94.97 | 96.82 | +1.26 | ECL ahead |
| 2024-11-11 | 95.83 | 96.93 | +1.40 | ECL ahead |
| 2024-11-08 | 95.63 | 97.92 | +1.18 | ECL ahead |
| 2024-11-07 | 94.20 | 95.41 | +1.37 | ECL ahead |
| 2024-11-06 | 93.59 | 94.03 | +1.50 | ECL ahead |
| 2024-11-05 | 94.41 | 96.78 | +1.16 | ECL ahead |
| 2024-11-04 | 93.51 | 96.38 | +1.06 | ECL ahead |
| 2024-11-01 | 93.54 | 96.39 | +1.06 | ECL ahead |
| 2024-10-31 | 93.98 | 96.44 | +1.12 | ECL ahead |
| 2024-10-30 | 96.61 | 97.01 | +1.44 | ECL ahead |
| 2024-10-29 | 97.05 | 97.60 | +1.41 | ECL ahead |
| 2024-10-28 | 98.08 | 98.84 | +1.36 | ECL ahead |
| 2024-10-25 | 96.95 | 98.21 | +1.27 | ECL ahead |
| 2024-10-24 | 98.04 | 99.03 | +1.30 | ECL ahead |
| 2024-10-23 | 98.95 | 99.01 | +1.42 | ECL ahead |
| 2024-10-22 | 98.77 | 99.08 | +1.38 | ECL ahead |
| 2024-10-21 | 99.13 | 98.98 | +1.44 | ECL ahead |
| 2024-10-18 | 100.00 | 100.00 | +1.42 | ECL ahead |
One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Feb 11, 2025 (ECL +6.2%, PG +1.1%); Feb 14, 2025 (ECL -0.3%, PG -4.8%). Upcoming earnings: ECL Oct 27, 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
ECL and PG at a glance
ECL Ecolab Inc.
- Listing
- NYSE · SEC CIK 31462
- Industry
- Package Goods/Cosmetics · SIC 2840 Soap, Detergents, Cleang Preparations, Perfumes, Cosmetics
- Market value
- $80.2B
- Price history
- 2,521 daily closes, Oct 12, 2016 to Oct 22, 2026
PG The Procter & Gamble Company
- Listing
- NYSE · SEC CIK 80424
- Industry
- Package Goods/Cosmetics · SIC 2840 Soap, Detergents, Cleang Preparations, Perfumes, Cosmetics
- Market value
- $366.5B
- 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 ECL and PG
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.
