Companhia de saneamento Basico Do Estado De Sao Paulo - Sabesp vs Essential Utilities Inc.
WatchlistSBS / WTRGPrices through Oct 22, 2026
Why these are rivals: #2 and #3 by market value ($22B vs $11B) in Nasdaq's "Water Supply" industry; SEC SIC 4941 / 4941 (same major group); #2 and #3 by market value ($22B vs $11B) with SEC SIC 4941 (Water Supply).
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: -0.10 (needs >= 0.60)
- Mean reversion: ADF t-statistic of the spread: -2.21 (needs <= -2.873 (5% critical value))
Business leadership
Business size
Annual revenue reported to the SEC. Scale, not market share.
| Year | SBS | WTRG | Larger |
|---|---|---|---|
| 2025 | - | $2.5B | - |
| 2024 | - | $2.1B | - |
| 2023 | - | $2.1B | - |
| 2022 | - | $2.3B | - |
| 2021 | - | $1.9B | - |
| 2020 | - | $1.5B | - |
Market value: SBS $22.2B, WTRG $11.5B.
Stock leadership
SBS is ahead now
Measured against the pair's own last 252 trading days.
SBS leads WTRG by 0.27 standard deviations: +3.1% over its usual price ratio. 2 lead switches in the last year.
| Price change | 3 mo | 6 mo | 12 mo |
|---|---|---|---|
| SBS | +11.8% | -9.2% | +30.9% |
| WTRG | +9.3% | +7.4% | +3.9% |
Relationship
Not a measured twin today
Only these tests can make a pair tradable on paper.
- Pass
- Aligned sessions: 2520 (needs >= 254)
- Fail
- Co-movement: daily return correlation, 252 sessions: -0.10 (needs >= 0.60)
- Fail
- Mean reversion: ADF t-statistic of the spread: -2.21 (needs <= -2.873 (5% critical value))
- Pass
- Speed: half-life of the spread, sessions: 18.70 (needs <= 63)
- Data
- Both stocks current
The twins over two years
Prices side by side, and the gap between them
SBS Companhia de saneamento Basico Do Estado De Sao Paulo - Sabesp WTRG Essential Utilities 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: SBS relative to WTRG, against the 252 sessions before each day. Above 0: SBS ahead; below 0: WTRG ahead. Lines at +/-2 (idea) and +/-4 (stop).
Data table (504 sessions)
| Date | SBS index | WTRG index | z | Ahead |
|---|---|---|---|---|
| 2026-10-22 | 195.40 | 106.78 | +0.27 | near the usual relationship |
| 2026-10-21 | 196.96 | 100.47 | +0.89 | SBS ahead |
| 2026-10-20 | 199.45 | 101.06 | +0.95 | SBS ahead |
| 2026-10-19 | 196.34 | 99.58 | +0.95 | SBS ahead |
| 2026-10-16 | 195.09 | 100.69 | +0.80 | SBS ahead |
| 2026-10-15 | 195.09 | 99.36 | +0.93 | SBS ahead |
| 2026-10-14 | 200.07 | 98.27 | +1.25 | SBS ahead |
| 2026-10-13 | 201.01 | 96.89 | +1.42 | SBS ahead |
| 2026-10-12 | 209.74 | 96.55 | +1.83 | SBS ahead |
| 2026-10-09 | 210.05 | 96.13 | +1.90 | SBS ahead |
| 2026-10-08 | 205.37 | 95.49 | +1.77 | SBS ahead |
| 2026-10-07 | 198.52 | 95.02 | +1.54 | SBS ahead |
| 2026-10-06 | 199.76 | 95.71 | +1.54 | SBS ahead |
| 2026-10-05 | 195.09 | 95.36 | +1.38 | SBS ahead |
| 2026-10-02 | 167.66 | 97.11 | -0.09 | near the usual relationship |
| 2026-10-01 | 163.92 | 95.36 | -0.12 | near the usual relationship |
| 2026-09-30 | 165.48 | 96.65 | -0.15 | near the usual relationship |
| 2026-09-29 | 161.43 | 96.74 | -0.37 | near the usual relationship |
| 2026-09-28 | 160.18 | 96.08 | -0.38 | near the usual relationship |
| 2026-09-25 | 161.43 | 97.48 | -0.44 | near the usual relationship |
| 2026-09-24 | 160.50 | 98.00 | -0.54 | WTRG ahead |
| 2026-09-23 | 161.12 | 99.09 | -0.60 | WTRG ahead |
| 2026-09-22 | 167.98 | 99.58 | -0.28 | near the usual relationship |
| 2026-09-21 | 169.53 | 99.83 | -0.22 | near the usual relationship |
| 2026-09-18 | 165.48 | 101.21 | -0.55 | WTRG ahead |
| 2026-09-17 | 164.55 | 102.64 | -0.72 | WTRG ahead |
| 2026-09-16 | 164.55 | 102.02 | -0.67 | WTRG ahead |
| 2026-09-15 | 163.30 | 102.29 | -0.75 | WTRG ahead |
| 2026-09-14 | 162.68 | 102.61 | -0.81 | WTRG ahead |
| 2026-09-11 | 164.86 | 101.28 | -0.58 | WTRG ahead |
| 2026-09-10 | 165.79 | 103.08 | -0.68 | WTRG ahead |
| 2026-09-09 | 161.43 | 103.58 | -0.95 | WTRG ahead |
| 2026-09-08 | 164.24 | 103.43 | -0.78 | WTRG ahead |
| 2026-09-04 | 160.50 | 102.84 | -0.93 | WTRG ahead |
| 2026-09-03 | 159.87 | 103.26 | -0.99 | WTRG ahead |
| 2026-09-02 | 158.63 | 102.47 | -0.98 | WTRG ahead |
| 2026-09-01 | 151.77 | 101.38 | -1.27 | WTRG ahead |
| 2026-08-31 | 151.46 | 101.53 | -1.29 | WTRG ahead |
| 2026-08-28 | 151.77 | 101.36 | -1.25 | WTRG ahead |
| 2026-08-27 | 150.21 | 100.00 | -1.22 | WTRG ahead |
| 2026-08-26 | 151.15 | 100.52 | -1.21 | WTRG ahead |
| 2026-08-25 | 149.59 | 100.52 | -1.29 | WTRG ahead |
| 2026-08-24 | 144.29 | 101.95 | -1.70 | WTRG ahead |
| 2026-08-21 | 143.67 | 99.09 | -1.49 | WTRG ahead |
| 2026-08-20 | 138.99 | 99.65 | -1.81 | WTRG ahead |
| 2026-08-19 | 142.42 | 101.23 | -1.74 | WTRG ahead |
| 2026-08-18 | 141.80 | 99.51 | -1.63 | WTRG ahead |
| 2026-08-17 | 142.73 | 98.15 | -1.46 | WTRG ahead |
| 2026-08-14 | 143.36 | 99.58 | -1.54 | WTRG ahead |
| 2026-08-13 | 145.85 | 99.78 | -1.42 | WTRG ahead |
| 2026-08-12 | 158.94 | 98.30 | -0.57 | WTRG ahead |
| 2026-08-11 | 156.76 | 98.84 | -0.72 | WTRG ahead |
| 2026-08-10 | 162.37 | 98.10 | -0.36 | near the usual relationship |
| 2026-08-07 | 165.48 | 98.74 | -0.25 | near the usual relationship |
| 2026-08-06 | 167.35 | 98.35 | -0.12 | near the usual relationship |
| 2026-08-05 | 169.22 | 97.63 | +0.03 | near the usual relationship |
| 2026-08-04 | 169.22 | 97.56 | +0.05 | near the usual relationship |
| 2026-08-03 | 169.22 | 95.64 | +0.21 | near the usual relationship |
| 2026-07-31 | 169.85 | 98.27 | +0.04 | near the usual relationship |
| 2026-07-30 | 170.47 | 99.51 | -0.02 | near the usual relationship |
| 2026-07-29 | 163.92 | 100.37 | -0.37 | near the usual relationship |
| 2026-07-28 | 172.03 | 100.39 | -0.01 | near the usual relationship |
| 2026-07-27 | 177.01 | 97.51 | +0.43 | near the usual relationship |
| 2026-07-24 | 174.83 | 97.68 | +0.33 | near the usual relationship |
| 2026-07-23 | 178.57 | 97.63 | +0.49 | near the usual relationship |
| 2026-07-22 | 181.69 | 97.16 | +0.66 | SBS ahead |
| 2026-07-21 | 177.01 | 95.98 | +0.57 | SBS ahead |
| 2026-07-20 | 179.19 | 97.14 | +0.58 | SBS ahead |
| 2026-07-17 | 179.19 | 97.88 | +0.53 | SBS ahead |
| 2026-07-16 | 180.44 | 97.34 | +0.62 | SBS ahead |
| 2026-07-15 | 184.49 | 93.54 | +1.07 | SBS ahead |
| 2026-07-14 | 186.05 | 95.17 | +1.02 | SBS ahead |
| 2026-07-13 | 184.80 | 95.17 | +0.98 | SBS ahead |
| 2026-07-10 | 188.86 | 95.14 | +1.14 | SBS ahead |
| 2026-07-09 | 182.00 | 95.02 | +0.89 | SBS ahead |
| 2026-07-08 | 177.64 | 95.59 | +0.69 | SBS ahead |
| 2026-07-07 | 178.26 | 96.37 | +0.66 | SBS ahead |
| 2026-07-06 | 181.06 | 95.34 | +0.85 | SBS ahead |
| 2026-07-02 | 179.19 | 97.11 | +0.66 | SBS ahead |
| 2026-07-01 | 179.19 | 93.79 | +0.91 | SBS ahead |
| 2026-06-30 | 180.13 | 94.48 | +0.90 | SBS ahead |
| 2026-06-29 | 181.06 | 94.77 | +0.92 | SBS ahead |
| 2026-06-26 | 180.44 | 95.31 | +0.86 | SBS ahead |
| 2026-06-25 | 175.45 | 93.54 | +0.81 | SBS ahead |
| 2026-06-24 | 172.34 | 93.17 | +0.72 | SBS ahead |
| 2026-06-23 | 170.78 | 91.96 | +0.75 | SBS ahead |
| 2026-06-22 | 168.91 | 90.46 | +0.79 | SBS ahead |
| 2026-06-18 | 163.61 | 90.51 | +0.58 | SBS ahead |
| 2026-06-17 | 167.66 | 91.12 | +0.70 | SBS ahead |
| 2026-06-16 | 171.72 | 93.49 | +0.70 | SBS ahead |
| 2026-06-15 | 173.59 | 92.63 | +0.84 | SBS ahead |
| 2026-06-12 | 170.16 | 92.50 | +0.72 | SBS ahead |
| 2026-06-11 | 170.47 | 91.59 | +0.81 | SBS ahead |
| 2026-06-10 | 167.04 | 92.65 | +0.60 | SBS ahead |
| 2026-06-09 | 168.91 | 92.53 | +0.69 | SBS ahead |
| 2026-06-08 | 165.79 | 90.38 | +0.73 | SBS ahead |
| 2026-06-05 | 166.73 | 92.13 | +0.64 | SBS ahead |
| 2026-06-04 | 171.09 | 90.63 | +0.94 | SBS ahead |
| 2026-06-03 | 168.29 | 91.25 | +0.78 | SBS ahead |
| 2026-06-02 | 172.34 | 91.34 | +0.94 | SBS ahead |
| 2026-06-01 | 170.16 | 89.40 | +1.01 | SBS ahead |
| 2026-05-29 | 172.03 | 90.97 | +0.98 | SBS ahead |
| 2026-05-28 | 173.90 | 90.48 | +1.09 | SBS ahead |
| 2026-05-27 | 176.39 | 91.44 | +1.13 | SBS ahead |
| 2026-05-26 | 178.57 | 91.62 | +1.21 | SBS ahead |
| 2026-05-22 | 176.39 | 92.33 | +1.08 | SBS ahead |
| 2026-05-21 | 177.95 | 91.22 | +1.23 | SBS ahead |
| 2026-05-20 | 182.62 | 90.11 | +1.50 | SBS ahead |
| 2026-05-19 | 177.01 | 91.52 | +1.19 | SBS ahead |
| 2026-05-18 | 182.31 | 91.84 | +1.38 | SBS ahead |
| 2026-05-15 | 178.26 | 91.27 | +1.28 | SBS ahead |
| 2026-05-14 | 184.80 | 92.50 | +1.45 | SBS ahead |
| 2026-05-13 | 182.93 | 93.46 | +1.32 | SBS ahead |
| 2026-05-12 | 188.23 | 93.66 | +1.51 | SBS ahead |
| 2026-05-11 | 195.09 | 92.65 | +1.84 | SBS ahead |
| 2026-05-08 | 197.89 | 92.40 | +1.97 | SBS ahead |
| 2026-05-07 | 198.52 | 92.97 | +1.97 | SBS ahead |
| 2026-05-06 | 206.68 | 92.58 | +2.29 | SBS ahead |
| 2026-05-05 | 208.80 | 92.45 | +2.40 | SBS ahead |
| 2026-05-04 | 204.81 | 93.59 | +2.21 | SBS ahead |
| 2026-05-01 | 207.49 | 93.79 | +2.31 | SBS ahead |
| 2026-04-30 | 209.61 | 94.20 | +2.38 | SBS ahead |
| 2026-04-29 | 205.31 | 97.39 | +2.03 | SBS ahead |
| 2026-04-28 | 209.49 | 97.73 | +2.17 | SBS ahead |
| 2026-04-27 | 212.48 | 97.19 | +2.34 | SBS ahead |
| 2026-04-24 | 216.28 | 97.46 | +2.47 | SBS ahead |
| 2026-04-23 | 215.28 | 99.46 | +2.32 | SBS ahead |
| 2026-04-22 | 215.91 | 96.08 | +2.62 | SBS ahead |
| 2026-04-21 | 220.71 | 96.67 | +2.77 | SBS ahead |
| 2026-04-20 | 220.27 | 98.13 | +2.68 | SBS ahead |
| 2026-04-17 | 210.98 | 96.18 | +2.54 | SBS ahead |
| 2026-04-16 | 208.68 | 95.49 | +2.54 | SBS ahead |
| 2026-04-15 | 211.98 | 95.14 | +2.72 | SBS ahead |
| 2026-04-14 | 210.67 | 97.34 | +2.54 | SBS ahead |
| 2026-04-13 | 209.92 | 97.63 | +2.52 | SBS ahead |
| 2026-04-10 | 212.60 | 100.27 | +2.44 | SBS ahead |
| 2026-04-09 | 205.62 | 101.26 | +2.13 | SBS ahead |
| 2026-04-08 | 197.64 | 99.43 | +1.99 | SBS ahead |
| 2026-04-07 | 189.73 | 99.80 | +1.67 | SBS ahead |
| 2026-04-06 | 188.67 | 100.84 | +1.56 | SBS ahead |
| 2026-04-02 | 189.42 | 101.31 | +1.57 | SBS ahead |
| 2026-04-01 | 188.23 | 100.22 | +1.61 | SBS ahead |
| 2026-03-31 | 190.16 | 99.31 | +1.76 | SBS ahead |
| 2026-03-30 | 183.43 | 101.23 | +1.37 | SBS ahead |
| 2026-03-27 | 179.32 | 99.48 | +1.34 | SBS ahead |
| 2026-03-26 | 180.53 | 100.59 | +1.32 | SBS ahead |
| 2026-03-25 | 185.81 | 97.78 | +1.74 | SBS ahead |
| 2026-03-24 | 181.08 | 97.90 | +1.56 | SBS ahead |
| 2026-03-23 | 181.27 | 98.64 | +1.52 | SBS ahead |
| 2026-03-20 | 173.62 | 98.47 | +1.23 | SBS ahead |
| 2026-03-19 | 181.39 | 99.80 | +1.46 | SBS ahead |
| 2026-03-18 | 174.99 | 100.30 | +1.17 | SBS ahead |
| 2026-03-17 | 178.97 | 100.67 | +1.31 | SBS ahead |
| 2026-03-16 | 173.24 | 101.21 | +1.05 | SBS ahead |
| 2026-03-13 | 169.82 | 102.71 | +0.81 | SBS ahead |
| 2026-03-12 | 170.94 | 101.26 | +0.96 | SBS ahead |
| 2026-03-11 | 178.22 | 98.05 | +1.47 | SBS ahead |
| 2026-03-10 | 178.28 | 97.44 | +1.53 | SBS ahead |
| 2026-03-09 | 176.11 | 100.74 | +1.22 | SBS ahead |
| 2026-03-06 | 171.50 | 99.51 | +1.13 | SBS ahead |
| 2026-03-05 | 173.87 | 97.61 | +1.36 | SBS ahead |
| 2026-03-04 | 181.27 | 99.24 | +1.54 | SBS ahead |
| 2026-03-03 | 174.55 | 98.91 | +1.31 | SBS ahead |
| 2026-03-02 | 184.26 | 99.01 | +1.68 | SBS ahead |
| 2026-02-27 | 186.75 | 98.57 | +1.81 | SBS ahead |
| 2026-02-26 | 188.49 | 98.10 | +1.92 | SBS ahead |
| 2026-02-25 | 189.86 | 98.40 | +1.97 | SBS ahead |
| 2026-02-24 | 185.63 | 98.05 | +1.86 | SBS ahead |
| 2026-02-23 | 182.95 | 96.87 | +1.86 | SBS ahead |
| 2026-02-20 | 184.57 | 95.39 | +2.05 | SBS ahead |
| 2026-02-19 | 182.89 | 96.40 | +1.94 | SBS ahead |
| 2026-02-18 | 179.72 | 96.08 | +1.87 | SBS ahead |
| 2026-02-17 | 181.77 | 97.66 | +1.85 | SBS ahead |
| 2026-02-13 | 182.33 | 97.98 | +1.87 | SBS ahead |
| 2026-02-12 | 182.45 | 95.14 | +2.10 | SBS ahead |
| 2026-02-11 | 184.07 | 92.33 | +2.41 | SBS ahead |
| 2026-02-10 | 180.71 | 92.87 | +2.27 | SBS ahead |
| 2026-02-09 | 177.97 | 90.92 | +2.34 | SBS ahead |
| 2026-02-06 | 171.69 | 92.28 | +2.00 | SBS ahead |
| 2026-02-05 | 170.94 | 92.95 | +1.94 | SBS ahead |
| 2026-02-04 | 169.57 | 92.23 | +1.96 | SBS ahead |
| 2026-02-03 | 172.62 | 93.44 | +2.02 | SBS ahead |
| 2026-02-02 | 170.07 | 94.33 | +1.86 | SBS ahead |
| 2026-01-30 | 167.15 | 95.66 | +1.65 | SBS ahead |
| 2026-01-29 | 168.51 | 95.46 | +1.74 | SBS ahead |
| 2026-01-28 | 169.63 | 93.96 | +1.92 | SBS ahead |
| 2026-01-27 | 168.64 | 96.84 | +1.68 | SBS ahead |
| 2026-01-26 | 164.34 | 96.97 | +1.49 | SBS ahead |
| 2026-01-23 | 164.84 | 96.65 | +1.55 | SBS ahead |
| 2026-01-22 | 158.87 | 97.66 | +1.21 | SBS ahead |
| 2026-01-21 | 153.08 | 96.74 | +1.02 | SBS ahead |
| 2026-01-20 | 148.85 | 96.97 | +0.80 | SBS ahead |
| 2026-01-16 | 142.50 | 98.20 | +0.40 | near the usual relationship |
| 2026-01-15 | 143.62 | 98.64 | +0.43 | near the usual relationship |
| 2026-01-14 | 144.06 | 97.95 | +0.51 | SBS ahead |
| 2026-01-13 | 144.31 | 96.65 | +0.62 | SBS ahead |
| 2026-01-12 | 146.48 | 96.55 | +0.74 | SBS ahead |
| 2026-01-09 | 152.96 | 94.50 | +1.21 | SBS ahead |
| 2026-01-08 | 152.58 | 94.90 | +1.17 | SBS ahead |
| 2026-01-07 | 149.29 | 93.76 | +1.10 | SBS ahead |
| 2026-01-06 | 150.90 | 94.90 | +1.10 | SBS ahead |
| 2026-01-05 | 150.65 | 93.19 | +1.22 | SBS ahead |
| 2026-01-02 | 151.65 | 95.36 | +1.11 | SBS ahead |
| 2025-12-31 | 148.41 | 94.60 | +1.03 | SBS ahead |
| 2025-12-30 | 150.22 | 94.82 | +1.10 | SBS ahead |
| 2025-12-29 | 146.73 | 95.46 | +0.90 | SBS ahead |
| 2025-12-26 | 156.94 | 95.12 | +1.38 | SBS ahead |
| 2025-12-24 | 157.50 | 95.12 | +1.41 | SBS ahead |
| 2025-12-23 | 157.56 | 94.77 | +1.45 | SBS ahead |
| 2025-12-22 | 151.71 | 95.12 | +1.18 | SBS ahead |
| 2025-12-19 | 152.71 | 93.54 | +1.34 | SBS ahead |
| 2025-12-18 | 152.33 | 95.36 | +1.20 | SBS ahead |
| 2025-12-17 | 150.97 | 96.20 | +1.09 | SBS ahead |
| 2025-12-16 | 152.40 | 94.48 | +1.28 | SBS ahead |
| 2025-12-15 | 159.68 | 94.77 | +1.57 | SBS ahead |
| 2025-12-12 | 156.69 | 93.59 | +1.54 | SBS ahead |
| 2025-12-11 | 153.89 | 92.90 | +1.48 | SBS ahead |
| 2025-12-10 | 152.96 | 91.64 | +1.54 | SBS ahead |
| 2025-12-09 | 155.70 | 91.81 | +1.65 | SBS ahead |
| 2025-12-08 | 156.13 | 92.38 | +1.64 | SBS ahead |
| 2025-12-05 | 155.94 | 93.71 | +1.55 | SBS ahead |
| 2025-12-04 | 167.27 | 93.46 | +2.03 | SBS ahead |
| 2025-12-03 | 166.09 | 95.83 | +1.84 | SBS ahead |
| 2025-12-02 | 167.70 | 95.81 | +1.92 | SBS ahead |
| 2025-12-01 | 162.04 | 97.09 | +1.63 | SBS ahead |
| 2025-11-28 | 164.10 | 97.63 | +1.70 | SBS ahead |
| 2025-11-26 | 164.59 | 96.82 | +1.79 | SBS ahead |
| 2025-11-25 | 161.42 | 97.46 | +1.63 | SBS ahead |
| 2025-11-24 | 162.04 | 98.47 | +1.61 | SBS ahead |
| 2025-11-21 | 158.06 | 98.94 | +1.43 | SBS ahead |
| 2025-11-20 | 156.50 | 95.36 | +1.62 | SBS ahead |
| 2025-11-19 | 159.99 | 94.43 | +1.85 | SBS ahead |
| 2025-11-18 | 158.62 | 96.55 | +1.66 | SBS ahead |
| 2025-11-17 | 162.67 | 98.50 | +1.71 | SBS ahead |
| 2025-11-14 | 166.96 | 97.83 | +1.95 | SBS ahead |
| 2025-11-13 | 165.34 | 98.52 | +1.86 | SBS ahead |
| 2025-11-12 | 165.90 | 96.37 | +2.04 | SBS ahead |
| 2025-11-11 | 161.92 | 97.31 | +1.84 | SBS ahead |
| 2025-11-10 | 159.86 | 96.82 | +1.80 | SBS ahead |
| 2025-11-07 | 159.86 | 97.78 | +1.75 | SBS ahead |
| 2025-11-06 | 158.87 | 97.44 | +1.75 | SBS ahead |
| 2025-11-05 | 158.93 | 97.85 | +1.74 | SBS ahead |
| 2025-11-04 | 153.89 | 94.70 | +1.76 | SBS ahead |
| 2025-11-03 | 154.89 | 93.91 | +1.88 | SBS ahead |
| 2025-10-31 | 152.71 | 96.25 | +1.63 | SBS ahead |
| 2025-10-30 | 152.33 | 95.66 | +1.67 | SBS ahead |
| 2025-10-29 | 152.33 | 96.60 | +1.62 | SBS ahead |
| 2025-10-28 | 153.27 | 100.00 | +1.44 | SBS ahead |
| 2025-10-27 | 153.14 | 100.20 | +1.43 | SBS ahead |
| 2025-10-24 | 153.83 | 101.63 | +1.38 | SBS ahead |
| 2025-10-23 | 151.40 | 101.85 | +1.27 | SBS ahead |
| 2025-10-22 | 150.34 | 102.81 | +1.16 | SBS ahead |
| 2025-10-21 | 149.29 | 102.81 | +1.12 | SBS ahead |
| 2025-10-20 | 150.72 | 103.40 | +1.16 | SBS ahead |
| 2025-10-17 | 148.48 | 101.73 | +1.18 | SBS ahead |
| 2025-10-16 | 147.42 | 101.95 | +1.12 | SBS ahead |
| 2025-10-15 | 144.06 | 100.30 | +1.08 | SBS ahead |
| 2025-10-14 | 142.56 | 98.52 | +1.14 | SBS ahead |
| 2025-10-13 | 141.01 | 98.10 | +1.11 | SBS ahead |
| 2025-10-10 | 138.58 | 100.39 | +0.84 | SBS ahead |
| 2025-10-09 | 142.56 | 99.80 | +1.08 | SBS ahead |
| 2025-10-08 | 144.12 | 101.21 | +1.07 | SBS ahead |
| 2025-10-07 | 145.12 | 100.20 | +1.19 | SBS ahead |
| 2025-10-06 | 149.66 | 98.82 | +1.51 | SBS ahead |
| 2025-10-03 | 149.29 | 97.11 | +1.63 | SBS ahead |
| 2025-10-02 | 149.04 | 95.12 | +1.78 | SBS ahead |
| 2025-10-01 | 153.14 | 95.73 | +1.94 | SBS ahead |
| 2025-09-30 | 154.89 | 98.40 | +1.85 | SBS ahead |
| 2025-09-29 | 152.27 | 96.47 | +1.89 | SBS ahead |
| 2025-09-26 | 149.54 | 95.27 | +1.87 | SBS ahead |
| 2025-09-25 | 149.72 | 93.19 | +2.06 | SBS ahead |
| 2025-09-24 | 152.96 | 93.22 | +2.25 | SBS ahead |
| 2025-09-23 | 155.57 | 92.55 | +2.46 | SBS ahead |
| 2025-09-22 | 150.41 | 91.34 | +2.34 | SBS ahead |
| 2025-09-19 | 152.83 | 91.29 | +2.50 | SBS ahead |
| 2025-09-18 | 151.78 | 91.76 | +2.45 | SBS ahead |
| 2025-09-17 | 149.16 | 92.01 | +2.34 | SBS ahead |
| 2025-09-16 | 148.54 | 91.99 | +2.34 | SBS ahead |
| 2025-09-15 | 149.22 | 93.22 | +2.31 | SBS ahead |
| 2025-09-12 | 146.05 | 94.48 | +2.07 | SBS ahead |
| 2025-09-11 | 146.80 | 94.30 | +2.15 | SBS ahead |
| 2025-09-10 | 143.81 | 93.64 | +2.07 | SBS ahead |
| 2025-09-09 | 142.01 | 94.40 | +1.93 | SBS ahead |
| 2025-09-08 | 144.31 | 94.62 | +2.07 | SBS ahead |
| 2025-09-05 | 144.12 | 97.04 | +1.87 | SBS ahead |
| 2025-09-04 | 139.52 | 96.18 | +1.70 | SBS ahead |
| 2025-09-03 | 137.71 | 95.29 | +1.69 | SBS ahead |
| 2025-09-02 | 137.84 | 95.76 | +1.67 | SBS ahead |
| 2025-08-29 | 140.95 | 97.44 | +1.73 | SBS ahead |
| 2025-08-28 | 139.52 | 97.81 | +1.63 | SBS ahead |
| 2025-08-27 | 137.90 | 98.22 | +1.51 | SBS ahead |
| 2025-08-26 | 133.79 | 96.25 | +1.44 | SBS ahead |
| 2025-08-25 | 137.46 | 96.40 | +1.67 | SBS ahead |
| 2025-08-22 | 136.59 | 97.71 | +1.52 | SBS ahead |
| 2025-08-21 | 132.73 | 96.72 | +1.37 | SBS ahead |
| 2025-08-20 | 130.93 | 96.84 | +1.26 | SBS ahead |
| 2025-08-19 | 130.43 | 96.67 | +1.25 | SBS ahead |
| 2025-08-18 | 136.65 | 95.34 | +1.78 | SBS ahead |
| 2025-08-15 | 134.35 | 96.62 | +1.54 | SBS ahead |
| 2025-08-14 | 135.03 | 96.35 | +1.62 | SBS ahead |
| 2025-08-13 | 138.96 | 96.60 | +1.86 | SBS ahead |
| 2025-08-12 | 141.45 | 95.64 | +2.13 | SBS ahead |
| 2025-08-11 | 126.39 | 96.23 | +1.10 | SBS ahead |
| 2025-08-08 | 127.51 | 95.64 | +1.24 | SBS ahead |
| 2025-08-07 | 127.88 | 94.77 | +1.36 | SBS ahead |
| 2025-08-06 | 124.52 | 93.49 | +1.25 | SBS ahead |
| 2025-08-05 | 121.47 | 93.49 | +1.04 | SBS ahead |
| 2025-08-04 | 121.91 | 94.53 | +0.98 | SBS ahead |
| 2025-08-01 | 121.41 | 94.16 | +0.99 | SBS ahead |
| 2025-07-31 | 119.98 | 90.75 | +1.22 | SBS ahead |
| 2025-07-30 | 121.47 | 91.05 | +1.30 | SBS ahead |
| 2025-07-29 | 119.73 | 91.74 | +1.12 | SBS ahead |
| 2025-07-28 | 119.10 | 90.58 | +1.19 | SBS ahead |
| 2025-07-25 | 120.16 | 91.49 | +1.19 | SBS ahead |
| 2025-07-24 | 122.72 | 91.66 | +1.37 | SBS ahead |
| 2025-07-23 | 125.08 | 92.97 | +1.42 | SBS ahead |
| 2025-07-22 | 122.65 | 93.76 | +1.19 | SBS ahead |
| 2025-07-21 | 123.77 | 92.40 | +1.40 | SBS ahead |
| 2025-07-18 | 122.90 | 92.23 | +1.37 | SBS ahead |
| 2025-07-17 | 125.58 | 91.96 | +1.59 | SBS ahead |
| 2025-07-16 | 125.64 | 91.86 | +1.61 | SBS ahead |
| 2025-07-15 | 124.89 | 92.40 | +1.53 | SBS ahead |
| 2025-07-14 | 123.77 | 93.34 | +1.37 | SBS ahead |
| 2025-07-11 | 125.08 | 92.06 | +1.60 | SBS ahead |
| 2025-07-10 | 125.20 | 92.58 | +1.57 | SBS ahead |
| 2025-07-09 | 128.25 | 92.11 | +1.85 | SBS ahead |
| 2025-07-08 | 130.43 | 91.47 | +2.08 | SBS ahead |
| 2025-07-07 | 131.43 | 90.97 | +2.22 | SBS ahead |
| 2025-07-03 | 135.28 | 90.70 | +2.53 | SBS ahead |
| 2025-07-02 | 132.61 | 91.52 | +2.30 | SBS ahead |
| 2025-07-01 | 137.52 | 92.92 | +2.52 | SBS ahead |
| 2025-06-30 | 136.71 | 91.59 | +2.64 | SBS ahead |
| 2025-06-27 | 130.49 | 91.05 | +2.30 | SBS ahead |
| 2025-06-26 | 129.81 | 91.17 | +2.27 | SBS ahead |
| 2025-06-25 | 127.01 | 91.47 | +2.06 | SBS ahead |
| 2025-06-24 | 129.37 | 93.37 | +2.06 | SBS ahead |
| 2025-06-23 | 128.19 | 93.74 | +1.96 | SBS ahead |
| 2025-06-20 | 129.19 | 92.08 | +2.22 | SBS ahead |
| 2025-06-18 | 131.30 | 92.21 | +2.39 | SBS ahead |
| 2025-06-17 | 131.49 | 91.39 | +2.52 | SBS ahead |
| 2025-06-16 | 130.80 | 92.18 | +2.42 | SBS ahead |
| 2025-06-13 | 129.56 | 93.83 | +2.19 | SBS ahead |
| 2025-06-12 | 129.75 | 94.60 | +2.15 | SBS ahead |
| 2025-06-11 | 129.68 | 93.96 | +2.24 | SBS ahead |
| 2025-06-10 | 128.32 | 94.35 | +2.13 | SBS ahead |
| 2025-06-09 | 125.95 | 93.44 | +2.07 | SBS ahead |
| 2025-06-06 | 127.51 | 92.85 | +2.28 | SBS ahead |
| 2025-06-05 | 127.88 | 92.87 | +2.33 | SBS ahead |
| 2025-06-04 | 125.33 | 92.03 | +2.25 | SBS ahead |
| 2025-06-03 | 127.88 | 94.82 | +2.18 | SBS ahead |
| 2025-06-02 | 126.01 | 95.07 | +2.04 | SBS ahead |
| 2025-05-30 | 127.82 | 95.02 | +2.22 | SBS ahead |
| 2025-05-29 | 130.56 | 94.72 | +2.50 | SBS ahead |
| 2025-05-28 | 128.81 | 94.01 | +2.48 | SBS ahead |
| 2025-05-27 | 130.99 | 95.76 | +2.50 | SBS ahead |
| 2025-05-23 | 128.57 | 95.83 | +2.33 | SBS ahead |
| 2025-05-22 | 127.63 | 95.09 | +2.37 | SBS ahead |
| 2025-05-21 | 129.93 | 95.91 | +2.51 | SBS ahead |
| 2025-05-20 | 130.62 | 96.94 | +2.49 | SBS ahead |
| 2025-05-19 | 128.63 | 96.55 | +2.40 | SBS ahead |
| 2025-05-16 | 127.69 | 95.83 | +2.44 | SBS ahead |
| 2025-05-15 | 126.64 | 94.11 | +2.59 | SBS ahead |
| 2025-05-14 | 126.32 | 91.15 | +2.98 | SBS ahead |
| 2025-05-13 | 126.45 | 92.28 | +2.91 | SBS ahead |
| 2025-05-12 | 124.58 | 96.47 | +2.26 | SBS ahead |
| 2025-05-09 | 128.13 | 100.52 | +2.14 | SBS ahead |
| 2025-05-08 | 127.82 | 100.12 | +2.18 | SBS ahead |
| 2025-05-07 | 125.26 | 101.11 | +1.85 | SBS ahead |
| 2025-05-06 | 124.77 | 102.07 | +1.70 | SBS ahead |
| 2025-05-05 | 123.34 | 100.86 | +1.73 | SBS ahead |
| 2025-05-02 | 123.96 | 100.39 | +1.86 | SBS ahead |
| 2025-05-01 | 124.58 | 100.39 | +1.94 | SBS ahead |
| 2025-04-30 | 126.51 | 101.43 | +2.02 | SBS ahead |
| 2025-04-29 | 126.26 | 100.54 | +2.13 | SBS ahead |
| 2025-04-28 | 126.32 | 99.33 | +2.32 | SBS ahead |
| 2025-04-25 | 126.20 | 98.94 | +2.39 | SBS ahead |
| 2025-04-24 | 125.83 | 99.56 | +2.30 | SBS ahead |
| 2025-04-23 | 122.90 | 100.91 | +1.84 | SBS ahead |
| 2025-04-22 | 119.54 | 101.58 | +1.40 | SBS ahead |
| 2025-04-21 | 116.43 | 99.09 | +1.39 | SBS ahead |
| 2025-04-17 | 116.49 | 99.95 | +1.28 | SBS ahead |
| 2025-04-16 | 114.19 | 98.77 | +1.18 | SBS ahead |
| 2025-04-15 | 114.44 | 98.42 | +1.26 | SBS ahead |
| 2025-04-14 | 115.49 | 99.04 | +1.29 | SBS ahead |
| 2025-04-11 | 113.75 | 97.09 | +1.35 | SBS ahead |
| 2025-04-10 | 109.89 | 94.57 | +1.25 | SBS ahead |
| 2025-04-09 | 108.65 | 93.12 | +1.30 | SBS ahead |
| 2025-04-08 | 104.67 | 92.77 | +0.86 | SBS ahead |
| 2025-04-07 | 106.47 | 94.50 | +0.84 | SBS ahead |
| 2025-04-04 | 109.89 | 97.56 | +0.84 | SBS ahead |
| 2025-04-03 | 116.31 | 100.22 | +1.22 | SBS ahead |
| 2025-04-02 | 111.51 | 97.14 | +1.09 | SBS ahead |
| 2025-04-01 | 112.01 | 97.53 | +1.09 | SBS ahead |
| 2025-03-31 | 111.14 | 97.48 | +1.00 | SBS ahead |
| 2025-03-28 | 111.89 | 96.89 | +1.16 | SBS ahead |
| 2025-03-27 | 112.26 | 95.31 | +1.42 | SBS ahead |
| 2025-03-26 | 110.46 | 95.12 | +1.24 | SBS ahead |
| 2025-03-25 | 111.14 | 93.46 | +1.57 | SBS ahead |
| 2025-03-24 | 107.16 | 94.08 | +1.01 | SBS ahead |
| 2025-03-21 | 109.89 | 94.97 | +1.22 | SBS ahead |
| 2025-03-20 | 111.82 | 95.83 | +1.34 | SBS ahead |
| 2025-03-19 | 112.32 | 96.52 | +1.31 | SBS ahead |
| 2025-03-18 | 109.46 | 97.90 | +0.79 | SBS ahead |
| 2025-03-17 | 109.77 | 98.27 | +0.78 | SBS ahead |
| 2025-03-14 | 107.03 | 97.41 | +0.56 | SBS ahead |
| 2025-03-13 | 104.54 | 96.52 | +0.37 | near the usual relationship |
| 2025-03-12 | 102.49 | 95.07 | +0.30 | near the usual relationship |
| 2025-03-11 | 102.37 | 97.78 | -0.09 | near the usual relationship |
| 2025-03-10 | 101.99 | 100.05 | -0.45 | near the usual relationship |
| 2025-03-07 | 103.42 | 98.18 | -0.02 | near the usual relationship |
| 2025-03-06 | 101.12 | 94.82 | +0.14 | near the usual relationship |
| 2025-03-05 | 101.37 | 94.92 | +0.15 | near the usual relationship |
| 2025-03-04 | 99.50 | 95.56 | -0.18 | near the usual relationship |
| 2025-03-03 | 100.75 | 96.42 | -0.14 | near the usual relationship |
| 2025-02-28 | 100.25 | 93.66 | +0.16 | near the usual relationship |
| 2025-02-27 | 101.99 | 92.65 | +0.52 | SBS ahead |
| 2025-02-26 | 102.93 | 92.50 | +0.66 | SBS ahead |
| 2025-02-25 | 105.29 | 93.74 | +0.78 | SBS ahead |
| 2025-02-24 | 104.29 | 91.32 | +0.99 | SBS ahead |
| 2025-02-21 | 106.66 | 90.14 | +1.45 | SBS ahead |
| 2025-02-20 | 106.85 | 88.68 | +1.69 | SBS ahead |
| 2025-02-19 | 107.10 | 87.60 | +1.90 | SBS ahead |
| 2025-02-18 | 109.03 | 87.94 | +2.10 | SBS ahead |
| 2025-02-14 | 110.39 | 86.81 | +2.47 | SBS ahead |
| 2025-02-13 | 106.41 | 88.36 | +1.76 | SBS ahead |
| 2025-02-12 | 104.54 | 88.09 | +1.57 | SBS ahead |
| 2025-02-11 | 105.72 | 87.32 | +1.85 | SBS ahead |
| 2025-02-10 | 104.23 | 86.17 | +1.85 | SBS ahead |
| 2025-02-07 | 102.86 | 86.71 | +1.59 | SBS ahead |
| 2025-02-06 | 105.17 | 87.13 | +1.84 | SBS ahead |
| 2025-02-05 | 104.48 | 87.10 | +1.77 | SBS ahead |
| 2025-02-04 | 104.79 | 87.35 | +1.78 | SBS ahead |
| 2025-02-03 | 102.37 | 88.80 | +1.24 | SBS ahead |
| 2025-01-31 | 100.69 | 87.50 | +1.22 | SBS ahead |
| 2025-01-30 | 100.93 | 87.45 | +1.27 | SBS ahead |
| 2025-01-29 | 98.88 | 86.71 | +1.11 | SBS ahead |
| 2025-01-28 | 100.44 | 88.06 | +1.11 | SBS ahead |
| 2025-01-27 | 100.93 | 87.37 | +1.30 | SBS ahead |
| 2025-01-24 | 97.51 | 82.59 | +1.62 | SBS ahead |
| 2025-01-23 | 97.58 | 82.86 | +1.60 | SBS ahead |
| 2025-01-22 | 98.26 | 82.89 | +1.71 | SBS ahead |
| 2025-01-21 | 97.95 | 86.14 | +1.12 | SBS ahead |
| 2025-01-17 | 95.09 | 86.34 | +0.67 | SBS ahead |
| 2025-01-16 | 93.41 | 86.66 | +0.37 | near the usual relationship |
| 2025-01-15 | 95.46 | 85.06 | +0.95 | SBS ahead |
| 2025-01-14 | 90.48 | 84.12 | +0.35 | near the usual relationship |
| 2025-01-13 | 89.92 | 83.21 | +0.42 | near the usual relationship |
| 2025-01-10 | 89.11 | 84.04 | +0.15 | near the usual relationship |
| 2025-01-08 | 89.36 | 86.31 | -0.18 | near the usual relationship |
| 2025-01-07 | 90.73 | 86.98 | -0.07 | near the usual relationship |
| 2025-01-06 | 89.73 | 87.40 | -0.30 | near the usual relationship |
| 2025-01-03 | 87.68 | 89.17 | -0.91 | WTRG ahead |
| 2025-01-02 | 89.61 | 88.88 | -0.55 | WTRG ahead |
| 2024-12-31 | 89.17 | 89.57 | -0.73 | WTRG ahead |
| 2024-12-30 | 89.42 | 89.32 | -0.66 | WTRG ahead |
| 2024-12-27 | 89.67 | 89.91 | -0.71 | WTRG ahead |
| 2024-12-26 | 89.55 | 90.28 | -0.79 | WTRG ahead |
| 2024-12-24 | 89.11 | 89.77 | -0.79 | WTRG ahead |
| 2024-12-23 | 88.86 | 89.40 | -0.77 | WTRG ahead |
| 2024-12-20 | 89.30 | 89.67 | -0.75 | WTRG ahead |
| 2024-12-19 | 88.18 | 89.22 | -0.86 | WTRG ahead |
| 2024-12-18 | 86.50 | 89.37 | -1.16 | WTRG ahead |
| 2024-12-17 | 91.60 | 93.69 | -1.02 | WTRG ahead |
| 2024-12-16 | 90.23 | 94.57 | -1.37 | WTRG ahead |
| 2024-12-13 | 91.79 | 95.41 | -1.26 | WTRG ahead |
| 2024-12-12 | 93.09 | 96.37 | -1.20 | WTRG ahead |
| 2024-12-11 | 96.08 | 95.24 | -0.58 | WTRG ahead |
| 2024-12-10 | 94.28 | 96.37 | -1.02 | WTRG ahead |
| 2024-12-09 | 93.09 | 95.76 | -1.10 | WTRG ahead |
| 2024-12-06 | 93.16 | 96.03 | -1.13 | WTRG ahead |
| 2024-12-05 | 96.89 | 96.97 | -0.71 | WTRG ahead |
| 2024-12-04 | 94.34 | 96.60 | -1.03 | WTRG ahead |
| 2024-12-03 | 96.14 | 97.83 | -0.94 | WTRG ahead |
| 2024-12-02 | 93.84 | 99.11 | -1.48 | WTRG ahead |
| 2024-11-29 | 94.96 | 98.72 | -1.25 | WTRG ahead |
| 2024-11-27 | 102.12 | 99.33 | -0.30 | near the usual relationship |
| 2024-11-26 | 106.41 | 98.74 | +0.38 | near the usual relationship |
| 2024-11-25 | 105.23 | 98.91 | +0.20 | near the usual relationship |
| 2024-11-22 | 105.17 | 97.48 | +0.40 | near the usual relationship |
| 2024-11-21 | 103.67 | 97.07 | +0.27 | near the usual relationship |
| 2024-11-20 | 106.47 | 96.03 | +0.80 | SBS ahead |
| 2024-11-19 | 106.16 | 96.05 | +0.76 | SBS ahead |
| 2024-11-18 | 104.11 | 95.71 | +0.55 | SBS ahead |
| 2024-11-15 | 105.17 | 95.19 | +0.77 | SBS ahead |
| 2024-11-14 | 103.67 | 94.35 | +0.70 | SBS ahead |
| 2024-11-13 | 101.80 | 95.02 | +0.36 | near the usual relationship |
| 2024-11-12 | 102.74 | 96.30 | +0.30 | near the usual relationship |
| 2024-11-11 | 99.32 | 98.10 | -0.41 | near the usual relationship |
| 2024-11-08 | 97.08 | 97.83 | -0.68 | WTRG ahead |
| 2024-11-07 | 98.57 | 96.42 | -0.26 | near the usual relationship |
| 2024-11-06 | 100.62 | 99.51 | -0.40 | near the usual relationship |
| 2024-11-05 | 98.94 | 98.94 | -0.53 | WTRG ahead |
| 2024-11-04 | 97.88 | 95.27 | -0.17 | near the usual relationship |
| 2024-11-01 | 94.77 | 94.30 | -0.45 | near the usual relationship |
| 2024-10-31 | 98.88 | 95.19 | -0.01 | near the usual relationship |
| 2024-10-30 | 99.88 | 95.54 | +0.08 | near the usual relationship |
| 2024-10-29 | 99.50 | 94.94 | +0.12 | near the usual relationship |
| 2024-10-28 | 99.94 | 96.57 | -0.03 | near the usual relationship |
| 2024-10-25 | 99.50 | 95.78 | +0.02 | near the usual relationship |
| 2024-10-24 | 99.01 | 97.24 | -0.22 | near the usual relationship |
| 2024-10-23 | 98.63 | 99.36 | -0.54 | WTRG ahead |
| 2024-10-22 | 99.63 | 99.85 | -0.47 | near the usual relationship |
| 2024-10-21 | 100.81 | 99.58 | -0.28 | near the usual relationship |
| 2024-10-18 | 100.00 | 100.00 | -0.42 | near the usual relationship |
One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Aug 12, 2025 (SBS +11.9%, WTRG -0.6%); Oct 5, 2026 (SBS +16.4%, WTRG -1.8%). Upcoming earnings: WTRG Nov 3, 2026 (after-hours).
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
SBS and WTRG at a glance
SBS Companhia de saneamento Basico Do Estado De Sao Paulo - Sabesp
- Listing
- NYSE · SEC CIK 1170858
- Industry
- Water Supply · SIC 4941 Water Supply
- Market value
- $22.2B
- Price history
- 2,521 daily closes, Oct 12, 2016 to Oct 22, 2026
WTRG Essential Utilities Inc.
- Listing
- NYSE · SEC CIK 78128
- Industry
- Water Supply · SIC 4941 Water Supply
- Market value
- $11.5B
- Price history
- 2,520 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 SBS and WTRG
| Pair | Status | Ahead now | Industry |
|---|---|---|---|
| AWK / WTRG | Measured twin | WTRG by 1.29 sd | Water Supply |
| AWK / SBS | Watchlist | SBS by 0.41 sd | Water Supply |
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.
