Kimberly-Clark Corporation vs Smurfit WestRock plc
WatchlistKMB / SWPrices through Oct 22, 2026
Why these are rivals: #1 and #2 by market value ($35B vs $21B) in Nasdaq's "Containers/Packaging" industry; SEC SIC 2670 / 2650 (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: 0.33 (needs >= 0.60)
- Mean reversion: ADF t-statistic of the spread: -2.60 (needs <= -2.873 (5% critical value))
Business leadership
SW is the larger business
Annual revenue reported to the SEC. Scale, not market share.
| Year | KMB | SW | Larger |
|---|---|---|---|
| 2025 | $16.4B | $31.2B | SW |
| 2024 | $16.8B | $21.1B | SW |
| 2023 | $17.1B | $12.1B | KMB |
| 2022 | $17.0B | $13.5B | KMB |
| 2021 | $19.4B | - | - |
| 2020 | $19.1B | - | - |
Revenue lead switched: 2024 to SW. Market value: KMB $35.1B, SW $21.4B.
Stock leadership
KMB is ahead now
Measured against the pair's own last 252 trading days.
KMB leads SW by 0.79 standard deviations: +7.7% over its usual price ratio. 2 lead switches in the last year.
| Price change | 3 mo | 6 mo | 12 mo |
|---|---|---|---|
| KMB | +2.4% | +14.7% | -6.4% |
| SW | -12.6% | +4.7% | -0.2% |
Relationship
Not a measured twin today
Only these tests can make a pair tradable on paper.
- Pass
- Aligned sessions: 577 (needs >= 254)
- Fail
- Co-movement: daily return correlation, 252 sessions: 0.33 (needs >= 0.60)
- Fail
- Mean reversion: ADF t-statistic of the spread: -2.60 (needs <= -2.873 (5% critical value))
- Pass
- Speed: half-life of the spread, sessions: 14.37 (needs <= 63)
- Data
- Both stocks current
The twins over two years
Prices side by side, and the gap between them
KMB Kimberly-Clark Corporation SW Smurfit WestRock plcPrice 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: KMB relative to SW, against the 252 sessions before each day. Above 0: KMB ahead; below 0: SW ahead. Lines at +/-2 (idea) and +/-4 (stop).
Data table (504 sessions)
| Date | KMB index | SW index | z | Ahead |
|---|---|---|---|---|
| 2026-10-22 | 77.24 | 95.67 | +0.79 | KMB ahead |
| 2026-10-21 | 73.34 | 93.48 | +0.48 | near the usual relationship |
| 2026-10-20 | 74.50 | 92.87 | +0.71 | KMB ahead |
| 2026-10-19 | 72.49 | 92.09 | +0.50 | KMB ahead |
| 2026-10-16 | 72.60 | 92.81 | +0.43 | near the usual relationship |
| 2026-10-15 | 71.57 | 92.99 | +0.25 | near the usual relationship |
| 2026-10-14 | 68.37 | 91.88 | -0.11 | near the usual relationship |
| 2026-10-13 | 67.60 | 93.46 | -0.41 | near the usual relationship |
| 2026-10-12 | 67.93 | 92.60 | -0.27 | near the usual relationship |
| 2026-10-09 | 67.11 | 93.10 | -0.45 | near the usual relationship |
| 2026-10-08 | 67.22 | 93.46 | -0.48 | near the usual relationship |
| 2026-10-07 | 66.35 | 93.10 | -0.58 | SW ahead |
| 2026-10-06 | 66.55 | 95.58 | -0.82 | SW ahead |
| 2026-10-05 | 65.61 | 95.63 | -0.98 | SW ahead |
| 2026-10-02 | 64.89 | 95.92 | -1.13 | SW ahead |
| 2026-10-01 | 64.88 | 97.05 | -1.25 | SW ahead |
| 2026-09-30 | 67.00 | 99.44 | -1.18 | SW ahead |
| 2026-09-29 | 68.08 | 100.07 | -1.10 | SW ahead |
| 2026-09-28 | 67.93 | 101.62 | -1.28 | SW ahead |
| 2026-09-25 | 67.69 | 104.64 | -1.62 | SW ahead |
| 2026-09-24 | 66.86 | 103.72 | -1.67 | SW ahead |
| 2026-09-23 | 67.19 | 104.83 | -1.74 | SW ahead |
| 2026-09-22 | 68.02 | 104.74 | -1.63 | SW ahead |
| 2026-09-21 | 67.22 | 102.39 | -1.53 | SW ahead |
| 2026-09-18 | 67.30 | 99.95 | -1.29 | SW ahead |
| 2026-09-17 | 67.53 | 102.55 | -1.53 | SW ahead |
| 2026-09-16 | 67.46 | 100.52 | -1.34 | SW ahead |
| 2026-09-15 | 67.86 | 98.56 | -1.10 | SW ahead |
| 2026-09-14 | 68.15 | 98.65 | -1.07 | SW ahead |
| 2026-09-11 | 67.50 | 97.45 | -1.05 | SW ahead |
| 2026-09-10 | 67.73 | 95.17 | -0.79 | SW ahead |
| 2026-09-09 | 67.88 | 95.15 | -0.77 | SW ahead |
| 2026-09-08 | 70.79 | 99.80 | -0.83 | SW ahead |
| 2026-09-04 | 72.18 | 103.34 | -1.00 | SW ahead |
| 2026-09-03 | 74.24 | 102.05 | -0.59 | SW ahead |
| 2026-09-02 | 75.16 | 102.28 | -0.50 | SW ahead |
| 2026-09-01 | 73.64 | 102.44 | -0.72 | SW ahead |
| 2026-08-31 | 74.24 | 105.75 | -0.97 | SW ahead |
| 2026-08-28 | 75.34 | 108.88 | -1.12 | SW ahead |
| 2026-08-27 | 75.63 | 109.65 | -1.16 | SW ahead |
| 2026-08-26 | 75.88 | 111.75 | -1.33 | SW ahead |
| 2026-08-25 | 76.35 | 111.45 | -1.25 | SW ahead |
| 2026-08-24 | 76.59 | 109.79 | -1.08 | SW ahead |
| 2026-08-21 | 75.17 | 111.36 | -1.41 | SW ahead |
| 2026-08-20 | 74.75 | 108.66 | -1.23 | SW ahead |
| 2026-08-19 | 75.57 | 109.83 | -1.24 | SW ahead |
| 2026-08-18 | 74.08 | 106.65 | -1.15 | SW ahead |
| 2026-08-17 | 74.21 | 107.80 | -1.25 | SW ahead |
| 2026-08-14 | 75.92 | 111.05 | -1.32 | SW ahead |
| 2026-08-13 | 76.13 | 112.78 | -1.46 | SW ahead |
| 2026-08-12 | 74.91 | 111.05 | -1.47 | SW ahead |
| 2026-08-11 | 74.66 | 111.88 | -1.59 | SW ahead |
| 2026-08-10 | 74.29 | 107.31 | -1.24 | SW ahead |
| 2026-08-07 | 75.43 | 108.86 | -1.24 | SW ahead |
| 2026-08-06 | 74.73 | 105.82 | -1.06 | SW ahead |
| 2026-08-05 | 77.28 | 109.29 | -1.06 | SW ahead |
| 2026-08-04 | 76.73 | 109.40 | -1.15 | SW ahead |
| 2026-08-03 | 73.97 | 105.70 | -1.18 | SW ahead |
| 2026-07-31 | 75.17 | 103.65 | -0.84 | SW ahead |
| 2026-07-30 | 75.78 | 107.15 | -1.09 | SW ahead |
| 2026-07-29 | 77.86 | 108.82 | -0.98 | SW ahead |
| 2026-07-28 | 77.77 | 114.54 | -1.50 | SW ahead |
| 2026-07-27 | 76.64 | 112.94 | -1.52 | SW ahead |
| 2026-07-24 | 75.44 | 109.49 | -1.38 | SW ahead |
| 2026-07-23 | 73.80 | 98.56 | -0.58 | SW ahead |
| 2026-07-22 | 74.88 | 100.36 | -0.62 | SW ahead |
| 2026-07-21 | 74.31 | 97.09 | -0.37 | near the usual relationship |
| 2026-07-20 | 74.60 | 97.27 | -0.36 | near the usual relationship |
| 2026-07-17 | 74.51 | 99.89 | -0.63 | SW ahead |
| 2026-07-16 | 74.95 | 100.95 | -0.68 | SW ahead |
| 2026-07-15 | 73.26 | 98.29 | -0.65 | SW ahead |
| 2026-07-14 | 73.46 | 96.75 | -0.47 | near the usual relationship |
| 2026-07-13 | 75.77 | 97.29 | -0.23 | near the usual relationship |
| 2026-07-10 | 77.31 | 99.73 | -0.28 | near the usual relationship |
| 2026-07-09 | 75.60 | 96.93 | -0.22 | near the usual relationship |
| 2026-07-08 | 76.32 | 94.88 | +0.08 | near the usual relationship |
| 2026-07-07 | 78.91 | 101.47 | -0.25 | near the usual relationship |
| 2026-07-06 | 77.72 | 102.91 | -0.54 | SW ahead |
| 2026-07-02 | 78.89 | 103.56 | -0.46 | near the usual relationship |
| 2026-07-01 | 76.64 | 103.92 | -0.79 | SW ahead |
| 2026-06-30 | 75.49 | 104.31 | -0.98 | SW ahead |
| 2026-06-29 | 75.59 | 104.10 | -0.95 | SW ahead |
| 2026-06-26 | 75.21 | 105.93 | -1.18 | SW ahead |
| 2026-06-25 | 74.34 | 105.61 | -1.27 | SW ahead |
| 2026-06-24 | 73.40 | 104.98 | -1.35 | SW ahead |
| 2026-06-23 | 71.49 | 100.02 | -1.14 | SW ahead |
| 2026-06-22 | 69.11 | 102.34 | -1.70 | SW ahead |
| 2026-06-18 | 70.53 | 99.66 | -1.26 | SW ahead |
| 2026-06-17 | 69.78 | 97.90 | -1.20 | SW ahead |
| 2026-06-16 | 71.71 | 99.32 | -1.09 | SW ahead |
| 2026-06-15 | 70.93 | 100.36 | -1.30 | SW ahead |
| 2026-06-12 | 70.35 | 97.68 | -1.13 | SW ahead |
| 2026-06-11 | 69.83 | 96.26 | -1.07 | SW ahead |
| 2026-06-10 | 69.86 | 87.82 | -0.19 | near the usual relationship |
| 2026-06-09 | 69.13 | 93.26 | -0.87 | SW ahead |
| 2026-06-08 | 67.22 | 91.32 | -0.94 | SW ahead |
| 2026-06-05 | 68.11 | 93.08 | -1.01 | SW ahead |
| 2026-06-04 | 64.97 | 95.33 | -1.69 | SW ahead |
| 2026-06-03 | 65.17 | 94.97 | -1.64 | SW ahead |
| 2026-06-02 | 67.04 | 95.24 | -1.40 | SW ahead |
| 2026-06-01 | 67.36 | 93.01 | -1.14 | SW ahead |
| 2026-05-29 | 67.12 | 92.78 | -1.16 | SW ahead |
| 2026-05-28 | 68.87 | 92.49 | -0.90 | SW ahead |
| 2026-05-27 | 68.89 | 89.92 | -0.64 | SW ahead |
| 2026-05-26 | 67.93 | 88.39 | -0.62 | SW ahead |
| 2026-05-22 | 68.18 | 85.79 | -0.32 | near the usual relationship |
| 2026-05-21 | 67.90 | 85.10 | -0.29 | near the usual relationship |
| 2026-05-20 | 67.09 | 83.72 | -0.25 | near the usual relationship |
| 2026-05-19 | 66.34 | 80.32 | +0.02 | near the usual relationship |
| 2026-05-18 | 66.39 | 84.22 | -0.41 | near the usual relationship |
| 2026-05-15 | 65.96 | 84.51 | -0.50 | SW ahead |
| 2026-05-14 | 66.48 | 90.24 | -1.03 | SW ahead |
| 2026-05-13 | 66.74 | 91.18 | -1.10 | SW ahead |
| 2026-05-12 | 66.94 | 91.50 | -1.11 | SW ahead |
| 2026-05-11 | 65.85 | 92.22 | -1.34 | SW ahead |
| 2026-05-08 | 67.61 | 93.69 | -1.26 | SW ahead |
| 2026-05-07 | 68.47 | 93.87 | -1.17 | SW ahead |
| 2026-05-06 | 68.21 | 94.45 | -1.26 | SW ahead |
| 2026-05-05 | 66.85 | 89.09 | -0.93 | SW ahead |
| 2026-05-04 | 65.78 | 85.61 | -0.72 | SW ahead |
| 2026-05-01 | 67.17 | 88.91 | -0.88 | SW ahead |
| 2026-04-30 | 67.69 | 86.56 | -0.58 | SW ahead |
| 2026-04-29 | 66.09 | 89.47 | -1.09 | SW ahead |
| 2026-04-28 | 67.70 | 91.45 | -1.08 | SW ahead |
| 2026-04-27 | 67.57 | 90.28 | -0.99 | SW ahead |
| 2026-04-24 | 67.29 | 90.10 | -1.02 | SW ahead |
| 2026-04-23 | 67.35 | 91.36 | -1.14 | SW ahead |
| 2026-04-22 | 66.54 | 89.49 | -1.07 | SW ahead |
| 2026-04-21 | 66.43 | 92.94 | -1.43 | SW ahead |
| 2026-04-20 | 67.77 | 96.28 | -1.58 | SW ahead |
| 2026-04-17 | 67.97 | 95.24 | -1.46 | SW ahead |
| 2026-04-16 | 67.38 | 92.90 | -1.33 | SW ahead |
| 2026-04-15 | 66.58 | 93.35 | -1.49 | SW ahead |
| 2026-04-14 | 66.82 | 94.93 | -1.61 | SW ahead |
| 2026-04-13 | 66.43 | 94.95 | -1.68 | SW ahead |
| 2026-04-10 | 66.90 | 94.84 | -1.62 | SW ahead |
| 2026-04-09 | 67.37 | 95.02 | -1.59 | SW ahead |
| 2026-04-08 | 66.71 | 95.33 | -1.71 | SW ahead |
| 2026-04-07 | 63.99 | 88.46 | -1.44 | SW ahead |
| 2026-04-06 | 66.70 | 90.44 | -1.28 | SW ahead |
| 2026-04-02 | 66.11 | 88.59 | -1.19 | SW ahead |
| 2026-04-01 | 67.10 | 90.48 | -1.25 | SW ahead |
| 2026-03-31 | 66.34 | 89.85 | -1.30 | SW ahead |
| 2026-03-30 | 66.26 | 86.25 | -0.96 | SW ahead |
| 2026-03-27 | 67.85 | 88.86 | -1.02 | SW ahead |
| 2026-03-26 | 67.98 | 91.18 | -1.24 | SW ahead |
| 2026-03-25 | 68.33 | 91.70 | -1.26 | SW ahead |
| 2026-03-24 | 68.03 | 89.88 | -1.13 | SW ahead |
| 2026-03-23 | 68.39 | 87.26 | -0.83 | SW ahead |
| 2026-03-20 | 67.53 | 81.65 | -0.36 | near the usual relationship |
| 2026-03-19 | 67.79 | 83.27 | -0.51 | SW ahead |
| 2026-03-18 | 67.89 | 86.99 | -0.88 | SW ahead |
| 2026-03-17 | 69.10 | 90.37 | -1.07 | SW ahead |
| 2026-03-16 | 68.95 | 88.88 | -0.95 | SW ahead |
| 2026-03-13 | 67.97 | 89.63 | -1.16 | SW ahead |
| 2026-03-12 | 67.27 | 89.54 | -1.25 | SW ahead |
| 2026-03-11 | 68.80 | 95.15 | -1.60 | SW ahead |
| 2026-03-10 | 69.95 | 96.37 | -1.58 | SW ahead |
| 2026-03-09 | 70.73 | 94.90 | -1.36 | SW ahead |
| 2026-03-06 | 71.92 | 96.62 | -1.38 | SW ahead |
| 2026-03-05 | 72.15 | 100.54 | -1.72 | SW ahead |
| 2026-03-04 | 72.02 | 101.89 | -1.88 | SW ahead |
| 2026-03-03 | 71.96 | 101.92 | -1.91 | SW ahead |
| 2026-03-02 | 75.47 | 105.57 | -1.81 | SW ahead |
| 2026-02-27 | 76.64 | 106.00 | -1.72 | SW ahead |
| 2026-02-26 | 75.91 | 104.78 | -1.71 | SW ahead |
| 2026-02-25 | 75.10 | 103.65 | -1.72 | SW ahead |
| 2026-02-24 | 76.41 | 103.49 | -1.56 | SW ahead |
| 2026-02-23 | 76.00 | 104.37 | -1.70 | SW ahead |
| 2026-02-20 | 74.97 | 109.90 | -2.32 | SW ahead |
| 2026-02-19 | 74.74 | 112.24 | -2.57 | SW ahead |
| 2026-02-18 | 75.58 | 116.89 | -2.89 | SW ahead |
| 2026-02-17 | 73.94 | 114.59 | -2.96 | SW ahead |
| 2026-02-13 | 75.24 | 116.26 | -2.98 | SW ahead |
| 2026-02-12 | 74.45 | 115.94 | -3.11 | SW ahead |
| 2026-02-11 | 74.00 | 113.37 | -2.99 | SW ahead |
| 2026-02-10 | 72.81 | 103.16 | -2.21 | SW ahead |
| 2026-02-09 | 72.00 | 99.32 | -1.94 | SW ahead |
| 2026-02-06 | 71.75 | 99.53 | -2.00 | SW ahead |
| 2026-02-05 | 71.70 | 97.34 | -1.78 | SW ahead |
| 2026-02-04 | 70.98 | 100.09 | -2.17 | SW ahead |
| 2026-02-03 | 69.30 | 92.22 | -1.58 | SW ahead |
| 2026-02-02 | 68.43 | 94.61 | -1.98 | SW ahead |
| 2026-01-30 | 68.76 | 93.87 | -1.85 | SW ahead |
| 2026-01-29 | 67.85 | 94.97 | -2.11 | SW ahead |
| 2026-01-28 | 68.45 | 95.63 | -2.09 | SW ahead |
| 2026-01-27 | 69.21 | 96.87 | -2.10 | SW ahead |
| 2026-01-26 | 69.56 | 97.81 | -2.15 | SW ahead |
| 2026-01-23 | 70.30 | 98.76 | -2.13 | SW ahead |
| 2026-01-22 | 70.28 | 94.21 | -1.65 | SW ahead |
| 2026-01-21 | 68.78 | 94.54 | -1.90 | SW ahead |
| 2026-01-20 | 69.79 | 92.33 | -1.51 | SW ahead |
| 2026-01-16 | 68.30 | 96.30 | -2.16 | SW ahead |
| 2026-01-15 | 69.05 | 97.70 | -2.20 | SW ahead |
| 2026-01-14 | 68.19 | 96.37 | -2.20 | SW ahead |
| 2026-01-13 | 67.90 | 96.23 | -2.23 | SW ahead |
| 2026-01-12 | 67.58 | 96.82 | -2.36 | SW ahead |
| 2026-01-09 | 67.34 | 96.91 | -2.42 | SW ahead |
| 2026-01-08 | 67.99 | 95.38 | -2.16 | SW ahead |
| 2026-01-07 | 67.09 | 89.38 | -1.63 | SW ahead |
| 2026-01-06 | 67.15 | 92.33 | -1.96 | SW ahead |
| 2026-01-05 | 67.44 | 90.35 | -1.69 | SW ahead |
| 2026-01-02 | 69.73 | 89.29 | -1.22 | SW ahead |
| 2025-12-31 | 69.38 | 87.19 | -1.02 | SW ahead |
| 2025-12-30 | 69.85 | 87.58 | -0.99 | SW ahead |
| 2025-12-29 | 69.48 | 87.22 | -0.99 | SW ahead |
| 2025-12-26 | 69.46 | 87.35 | -1.01 | SW ahead |
| 2025-12-24 | 69.51 | 85.98 | -0.83 | SW ahead |
| 2025-12-23 | 68.85 | 86.22 | -0.96 | SW ahead |
| 2025-12-22 | 68.62 | 85.89 | -0.95 | SW ahead |
| 2025-12-19 | 69.22 | 85.93 | -0.86 | SW ahead |
| 2025-12-18 | 69.81 | 87.08 | -0.90 | SW ahead |
| 2025-12-17 | 70.79 | 85.73 | -0.59 | SW ahead |
| 2025-12-16 | 70.52 | 84.98 | -0.54 | SW ahead |
| 2025-12-15 | 70.70 | 84.64 | -0.47 | near the usual relationship |
| 2025-12-12 | 70.94 | 83.86 | -0.34 | near the usual relationship |
| 2025-12-11 | 71.14 | 85.70 | -0.52 | SW ahead |
| 2025-12-10 | 70.93 | 83.81 | -0.32 | near the usual relationship |
| 2025-12-09 | 70.76 | 79.62 | +0.16 | near the usual relationship |
| 2025-12-08 | 70.04 | 81.31 | -0.14 | near the usual relationship |
| 2025-12-05 | 70.81 | 81.26 | -0.02 | near the usual relationship |
| 2025-12-04 | 72.17 | 82.19 | +0.06 | near the usual relationship |
| 2025-12-03 | 72.99 | 81.44 | +0.26 | near the usual relationship |
| 2025-12-02 | 73.55 | 77.68 | +0.79 | KMB ahead |
| 2025-12-01 | 74.64 | 80.38 | +0.61 | KMB ahead |
| 2025-11-28 | 75.04 | 80.47 | +0.66 | KMB ahead |
| 2025-11-26 | 74.47 | 80.68 | +0.57 | KMB ahead |
| 2025-11-25 | 72.90 | 78.83 | +0.59 | KMB ahead |
| 2025-11-24 | 72.23 | 76.01 | +0.85 | KMB ahead |
| 2025-11-21 | 72.33 | 76.17 | +0.86 | KMB ahead |
| 2025-11-20 | 71.36 | 73.93 | +1.02 | KMB ahead |
| 2025-11-19 | 70.40 | 75.92 | +0.64 | KMB ahead |
| 2025-11-18 | 71.01 | 76.26 | +0.69 | KMB ahead |
| 2025-11-17 | 71.29 | 76.48 | +0.70 | KMB ahead |
| 2025-11-14 | 71.53 | 77.32 | +0.64 | KMB ahead |
| 2025-11-13 | 71.83 | 79.10 | +0.47 | near the usual relationship |
| 2025-11-12 | 71.60 | 79.77 | +0.36 | near the usual relationship |
| 2025-11-11 | 70.85 | 80.81 | +0.15 | near the usual relationship |
| 2025-11-10 | 70.90 | 80.05 | +0.25 | near the usual relationship |
| 2025-11-07 | 71.42 | 80.74 | +0.24 | near the usual relationship |
| 2025-11-06 | 69.30 | 80.54 | -0.01 | near the usual relationship |
| 2025-11-05 | 68.81 | 81.29 | -0.16 | near the usual relationship |
| 2025-11-04 | 69.21 | 81.87 | -0.17 | near the usual relationship |
| 2025-11-03 | 70.33 | 82.46 | -0.09 | near the usual relationship |
| 2025-10-31 | 82.33 | 83.25 | +1.29 | KMB ahead |
| 2025-10-30 | 82.67 | 81.26 | +1.56 | KMB ahead |
| 2025-10-29 | 80.27 | 85.32 | +0.84 | KMB ahead |
| 2025-10-28 | 82.98 | 97.16 | -0.07 | near the usual relationship |
| 2025-10-27 | 82.95 | 97.86 | -0.14 | near the usual relationship |
| 2025-10-24 | 81.79 | 97.11 | -0.21 | near the usual relationship |
| 2025-10-23 | 81.67 | 97.00 | -0.21 | near the usual relationship |
| 2025-10-22 | 82.67 | 96.19 | -0.03 | near the usual relationship |
| 2025-10-21 | 82.56 | 95.85 | -0.02 | near the usual relationship |
| 2025-10-20 | 83.01 | 95.22 | +0.09 | near the usual relationship |
| 2025-10-17 | 83.52 | 93.35 | +0.32 | near the usual relationship |
| 2025-10-16 | 82.32 | 93.17 | +0.21 | near the usual relationship |
| 2025-10-15 | 82.47 | 94.16 | +0.12 | near the usual relationship |
| 2025-10-14 | 82.64 | 95.22 | +0.04 | near the usual relationship |
| 2025-10-13 | 82.02 | 93.64 | +0.12 | near the usual relationship |
| 2025-10-10 | 82.23 | 91.21 | +0.38 | near the usual relationship |
| 2025-10-09 | 82.22 | 96.71 | -0.16 | near the usual relationship |
| 2025-10-08 | 82.27 | 97.63 | -0.24 | near the usual relationship |
| 2025-10-07 | 84.13 | 92.85 | +0.42 | near the usual relationship |
| 2025-10-06 | 82.90 | 90.89 | +0.48 | near the usual relationship |
| 2025-10-03 | 84.30 | 94.66 | +0.26 | near the usual relationship |
| 2025-10-02 | 84.33 | 94.43 | +0.29 | near the usual relationship |
| 2025-10-01 | 84.75 | 96.19 | +0.16 | near the usual relationship |
| 2025-09-30 | 85.51 | 95.99 | +0.26 | near the usual relationship |
| 2025-09-29 | 84.35 | 95.17 | +0.22 | near the usual relationship |
| 2025-09-26 | 84.06 | 94.99 | +0.20 | near the usual relationship |
| 2025-09-25 | 83.71 | 95.33 | +0.13 | near the usual relationship |
| 2025-09-24 | 85.23 | 97.52 | +0.09 | near the usual relationship |
| 2025-09-23 | 85.15 | 98.78 | -0.04 | near the usual relationship |
| 2025-09-22 | 85.32 | 98.04 | +0.05 | near the usual relationship |
| 2025-09-19 | 85.70 | 98.80 | +0.01 | near the usual relationship |
| 2025-09-18 | 86.31 | 99.59 | +0.00 | near the usual relationship |
| 2025-09-17 | 86.37 | 99.30 | +0.03 | near the usual relationship |
| 2025-09-16 | 85.99 | 99.84 | -0.06 | near the usual relationship |
| 2025-09-15 | 86.29 | 100.27 | -0.07 | near the usual relationship |
| 2025-09-12 | 88.02 | 99.82 | +0.14 | near the usual relationship |
| 2025-09-11 | 89.04 | 102.91 | -0.04 | near the usual relationship |
| 2025-09-10 | 88.03 | 102.07 | -0.07 | near the usual relationship |
| 2025-09-09 | 90.07 | 102.28 | +0.11 | near the usual relationship |
| 2025-09-08 | 89.25 | 105.28 | -0.23 | near the usual relationship |
| 2025-09-05 | 89.33 | 105.77 | -0.27 | near the usual relationship |
| 2025-09-04 | 88.83 | 104.10 | -0.18 | near the usual relationship |
| 2025-09-03 | 88.03 | 105.86 | -0.41 | near the usual relationship |
| 2025-09-02 | 88.60 | 106.22 | -0.39 | near the usual relationship |
| 2025-08-29 | 88.81 | 106.79 | -0.42 | near the usual relationship |
| 2025-08-28 | 88.52 | 104.60 | -0.27 | near the usual relationship |
| 2025-08-27 | 89.55 | 102.95 | -0.03 | near the usual relationship |
| 2025-08-26 | 89.27 | 104.40 | -0.19 | near the usual relationship |
| 2025-08-25 | 89.92 | 103.56 | -0.06 | near the usual relationship |
| 2025-08-22 | 91.80 | 103.04 | +0.16 | near the usual relationship |
| 2025-08-21 | 91.44 | 98.51 | +0.51 | KMB ahead |
| 2025-08-20 | 91.64 | 94.59 | +0.88 | KMB ahead |
| 2025-08-19 | 91.43 | 97.34 | +0.61 | KMB ahead |
| 2025-08-18 | 90.32 | 96.78 | +0.55 | KMB ahead |
| 2025-08-15 | 91.42 | 96.26 | +0.69 | KMB ahead |
| 2025-08-14 | 91.73 | 98.58 | +0.51 | KMB ahead |
| 2025-08-13 | 92.71 | 101.74 | +0.32 | near the usual relationship |
| 2025-08-12 | 91.91 | 99.82 | +0.40 | near the usual relationship |
| 2025-08-11 | 92.26 | 97.90 | +0.59 | KMB ahead |
| 2025-08-08 | 93.64 | 98.38 | +0.67 | KMB ahead |
| 2025-08-07 | 94.06 | 98.76 | +0.67 | KMB ahead |
| 2025-08-06 | 94.00 | 96.12 | +0.88 | KMB ahead |
| 2025-08-05 | 92.30 | 99.59 | +0.44 | near the usual relationship |
| 2025-08-04 | 91.56 | 99.35 | +0.39 | near the usual relationship |
| 2025-08-01 | 89.84 | 100.00 | +0.18 | near the usual relationship |
| 2025-07-31 | 85.70 | 100.07 | -0.22 | near the usual relationship |
| 2025-07-30 | 86.16 | 106.79 | -0.72 | SW ahead |
| 2025-07-29 | 87.98 | 108.68 | -0.69 | SW ahead |
| 2025-07-28 | 87.24 | 109.43 | -0.82 | SW ahead |
| 2025-07-25 | 87.60 | 110.15 | -0.85 | SW ahead |
| 2025-07-24 | 87.86 | 108.30 | -0.69 | SW ahead |
| 2025-07-23 | 87.84 | 107.80 | -0.65 | SW ahead |
| 2025-07-22 | 88.64 | 104.26 | -0.30 | near the usual relationship |
| 2025-07-21 | 87.14 | 102.46 | -0.30 | near the usual relationship |
| 2025-07-18 | 87.70 | 101.15 | -0.14 | near the usual relationship |
| 2025-07-17 | 87.97 | 103.90 | -0.34 | near the usual relationship |
| 2025-07-16 | 87.77 | 103.43 | -0.32 | near the usual relationship |
| 2025-07-15 | 87.17 | 102.37 | -0.30 | near the usual relationship |
| 2025-07-14 | 87.66 | 104.60 | -0.44 | near the usual relationship |
| 2025-07-11 | 88.98 | 106.43 | -0.46 | near the usual relationship |
| 2025-07-10 | 90.74 | 108.28 | n/a | |
| 2025-07-09 | 90.43 | 106.52 | n/a | |
| 2025-07-08 | 90.37 | 106.25 | n/a | |
| 2025-07-07 | 90.54 | 105.61 | n/a | |
| 2025-07-03 | 90.86 | 108.30 | n/a | |
| 2025-07-02 | 91.03 | 106.38 | n/a | |
| 2025-07-01 | 90.51 | 103.38 | n/a | |
| 2025-06-30 | 88.66 | 97.29 | n/a | |
| 2025-06-27 | 87.95 | 97.09 | n/a | |
| 2025-06-26 | 87.23 | 96.23 | n/a | |
| 2025-06-25 | 88.13 | 95.78 | n/a | |
| 2025-06-24 | 89.37 | 98.08 | n/a | |
| 2025-06-23 | 89.49 | 95.65 | n/a | |
| 2025-06-20 | 88.23 | 95.49 | n/a | |
| 2025-06-18 | 88.00 | 95.58 | n/a | |
| 2025-06-17 | 88.67 | 96.48 | n/a | |
| 2025-06-16 | 89.86 | 97.52 | n/a | |
| 2025-06-13 | 89.98 | 94.66 | n/a | |
| 2025-06-12 | 92.08 | 96.96 | n/a | |
| 2025-06-11 | 91.36 | 97.84 | n/a | |
| 2025-06-10 | 91.49 | 98.78 | n/a | |
| 2025-06-09 | 91.25 | 99.19 | n/a | |
| 2025-06-06 | 91.84 | 97.68 | n/a | |
| 2025-06-05 | 93.05 | 97.11 | n/a | |
| 2025-06-04 | 95.20 | 96.03 | n/a | |
| 2025-06-03 | 95.94 | 96.53 | n/a | |
| 2025-06-02 | 97.43 | 96.10 | n/a | |
| 2025-05-30 | 98.87 | 97.70 | n/a | |
| 2025-05-29 | 98.92 | 99.01 | n/a | |
| 2025-05-28 | 98.12 | 98.11 | n/a | |
| 2025-05-27 | 98.24 | 100.09 | n/a | |
| 2025-05-23 | 97.35 | 98.62 | n/a | |
| 2025-05-22 | 96.11 | 100.29 | n/a | |
| 2025-05-21 | 97.02 | 100.32 | n/a | |
| 2025-05-20 | 97.40 | 103.59 | n/a | |
| 2025-05-19 | 96.82 | 104.60 | n/a | |
| 2025-05-16 | 95.64 | 105.16 | n/a | |
| 2025-05-15 | 94.46 | 105.14 | n/a | |
| 2025-05-14 | 91.82 | 105.10 | n/a | |
| 2025-05-13 | 92.17 | 103.68 | n/a | |
| 2025-05-12 | 93.99 | 101.47 | n/a | |
| 2025-05-09 | 91.50 | 94.48 | n/a | |
| 2025-05-08 | 91.84 | 94.02 | n/a | |
| 2025-05-07 | 91.87 | 90.19 | n/a | |
| 2025-05-06 | 91.31 | 89.20 | n/a | |
| 2025-05-05 | 90.02 | 89.33 | n/a | |
| 2025-05-02 | 89.64 | 93.08 | n/a | |
| 2025-05-01 | 89.31 | 91.25 | n/a | |
| 2025-04-30 | 90.63 | 94.75 | n/a | |
| 2025-04-29 | 89.78 | 95.49 | n/a | |
| 2025-04-28 | 90.02 | 95.94 | n/a | |
| 2025-04-25 | 90.51 | 95.22 | n/a | |
| 2025-04-24 | 91.01 | 95.72 | n/a | |
| 2025-04-23 | 91.74 | 94.52 | n/a | |
| 2025-04-22 | 94.85 | 93.66 | n/a | |
| 2025-04-21 | 96.33 | 91.95 | n/a | |
| 2025-04-17 | 98.21 | 93.24 | n/a | |
| 2025-04-16 | 96.07 | 91.93 | n/a | |
| 2025-04-15 | 97.29 | 92.69 | n/a | |
| 2025-04-14 | 98.04 | 93.44 | n/a | |
| 2025-04-11 | 96.11 | 92.00 | n/a | |
| 2025-04-10 | 94.55 | 90.80 | n/a | |
| 2025-04-09 | 92.94 | 96.23 | n/a | |
| 2025-04-08 | 91.66 | 86.11 | n/a | |
| 2025-04-07 | 92.52 | 88.86 | n/a | |
| 2025-04-04 | 94.84 | 92.58 | n/a | |
| 2025-04-03 | 99.87 | 96.30 | n/a | |
| 2025-04-02 | 98.27 | 106.11 | n/a | |
| 2025-04-01 | 98.36 | 102.86 | n/a | |
| 2025-03-31 | 97.81 | 101.60 | n/a | |
| 2025-03-28 | 96.77 | 100.36 | n/a | |
| 2025-03-27 | 96.66 | 102.37 | n/a | |
| 2025-03-26 | 96.01 | 102.10 | n/a | |
| 2025-03-25 | 94.21 | 102.75 | n/a | |
| 2025-03-24 | 94.78 | 101.51 | n/a | |
| 2025-03-21 | 95.36 | 99.68 | n/a | |
| 2025-03-20 | 95.65 | 103.07 | n/a | |
| 2025-03-19 | 96.04 | 103.72 | n/a | |
| 2025-03-18 | 95.96 | 101.62 | n/a | |
| 2025-03-17 | 96.22 | 102.01 | n/a | |
| 2025-03-14 | 96.03 | 99.82 | n/a | |
| 2025-03-13 | 96.38 | 97.93 | n/a | |
| 2025-03-12 | 96.26 | 99.77 | n/a | |
| 2025-03-11 | 99.09 | 98.22 | n/a | |
| 2025-03-10 | 101.37 | 97.38 | n/a | |
| 2025-03-07 | 99.57 | 104.92 | n/a | |
| 2025-03-06 | 97.94 | 105.39 | n/a | |
| 2025-03-05 | 97.40 | 108.88 | n/a | |
| 2025-03-04 | 97.06 | 105.28 | n/a | |
| 2025-03-03 | 98.58 | 112.97 | n/a | |
| 2025-02-28 | 97.66 | 117.41 | n/a | |
| 2025-02-27 | 96.41 | 116.55 | n/a | |
| 2025-02-26 | 95.70 | 120.68 | n/a | |
| 2025-02-25 | 97.17 | 119.48 | n/a | |
| 2025-02-24 | 96.31 | 121.42 | n/a | |
| 2025-02-21 | 96.46 | 119.86 | n/a | |
| 2025-02-20 | 95.57 | 121.98 | n/a | |
| 2025-02-19 | 94.86 | 124.74 | n/a | |
| 2025-02-18 | 93.28 | 124.69 | n/a | |
| 2025-02-14 | 91.24 | 120.97 | n/a | |
| 2025-02-13 | 93.09 | 123.22 | n/a | |
| 2025-02-12 | 92.07 | 114.84 | n/a | |
| 2025-02-11 | 91.60 | 120.95 | n/a | |
| 2025-02-10 | 90.39 | 120.70 | n/a | |
| 2025-02-07 | 89.61 | 121.76 | n/a | |
| 2025-02-06 | 88.50 | 123.70 | n/a | |
| 2025-02-05 | 88.89 | 122.98 | n/a | |
| 2025-02-04 | 88.92 | 121.42 | n/a | |
| 2025-02-03 | 89.71 | 120.68 | n/a | |
| 2025-01-31 | 89.38 | 119.71 | n/a | |
| 2025-01-30 | 89.99 | 120.09 | n/a | |
| 2025-01-29 | 89.18 | 120.77 | n/a | |
| 2025-01-28 | 89.02 | 122.53 | n/a | |
| 2025-01-27 | 90.37 | 123.74 | n/a | |
| 2025-01-24 | 88.31 | 126.31 | n/a | |
| 2025-01-23 | 87.36 | 124.62 | n/a | |
| 2025-01-22 | 86.73 | 124.80 | n/a | |
| 2025-01-21 | 87.01 | 123.99 | n/a | |
| 2025-01-17 | 87.49 | 119.41 | n/a | |
| 2025-01-16 | 87.10 | 117.75 | n/a | |
| 2025-01-15 | 86.35 | 119.39 | n/a | |
| 2025-01-14 | 86.78 | 119.35 | n/a | |
| 2025-01-13 | 86.26 | 117.61 | n/a | |
| 2025-01-10 | 85.59 | 116.73 | n/a | |
| 2025-01-08 | 87.18 | 117.09 | n/a | |
| 2025-01-07 | 87.55 | 117.50 | n/a | |
| 2025-01-06 | 86.73 | 120.29 | n/a | |
| 2025-01-03 | 89.24 | 117.93 | n/a | |
| 2025-01-02 | 89.84 | 120.86 | n/a | |
| 2024-12-31 | 90.12 | 121.44 | n/a | |
| 2024-12-30 | 89.83 | 120.90 | n/a | |
| 2024-12-27 | 90.64 | 122.55 | n/a | |
| 2024-12-26 | 91.55 | 122.10 | n/a | |
| 2024-12-24 | 90.90 | 122.95 | n/a | |
| 2024-12-23 | 90.39 | 121.60 | n/a | |
| 2024-12-20 | 90.31 | 120.14 | n/a | |
| 2024-12-19 | 90.40 | 115.40 | n/a | |
| 2024-12-18 | 89.66 | 116.66 | n/a | |
| 2024-12-17 | 90.19 | 121.60 | n/a | |
| 2024-12-16 | 90.34 | 123.34 | n/a | |
| 2024-12-13 | 90.32 | 121.15 | n/a | |
| 2024-12-12 | 90.01 | 120.52 | n/a | |
| 2024-12-11 | 89.82 | 120.59 | n/a | |
| 2024-12-10 | 91.51 | 120.47 | n/a | |
| 2024-12-09 | 91.43 | 122.53 | n/a | |
| 2024-12-06 | 92.66 | 123.13 | n/a | |
| 2024-12-05 | 95.01 | 123.49 | n/a | |
| 2024-12-04 | 94.07 | 123.04 | n/a | |
| 2024-12-03 | 94.09 | 124.51 | n/a | |
| 2024-12-02 | 95.98 | 124.26 | n/a | |
| 2024-11-29 | 95.83 | 124.06 | n/a | |
| 2024-11-27 | 95.73 | 123.47 | n/a | |
| 2024-11-26 | 96.09 | 125.21 | n/a | |
| 2024-11-25 | 95.69 | 126.83 | n/a | |
| 2024-11-22 | 95.19 | 127.71 | n/a | |
| 2024-11-21 | 94.24 | 127.10 | n/a | |
| 2024-11-20 | 93.78 | 125.59 | n/a | |
| 2024-11-19 | 93.26 | 119.86 | n/a | |
| 2024-11-18 | 93.54 | 120.50 | n/a | |
| 2024-11-15 | 92.21 | 116.48 | n/a | |
| 2024-11-14 | 90.56 | 113.53 | n/a | |
| 2024-11-13 | 90.91 | 114.97 | n/a | |
| 2024-11-12 | 90.87 | 114.23 | n/a | |
| 2024-11-11 | 91.64 | 117.95 | n/a | |
| 2024-11-08 | 91.89 | 118.13 | n/a | |
| 2024-11-07 | 90.95 | 120.52 | n/a | |
| 2024-11-06 | 90.53 | 119.98 | n/a | |
| 2024-11-05 | 92.72 | 116.84 | n/a | |
| 2024-11-04 | 91.97 | 116.69 | n/a | |
| 2024-11-01 | 92.57 | 116.03 | n/a | |
| 2024-10-31 | 92.28 | 116.12 | n/a | |
| 2024-10-30 | 92.44 | 112.90 | n/a | |
| 2024-10-29 | 92.50 | 100.81 | n/a | |
| 2024-10-28 | 93.27 | 102.12 | n/a | |
| 2024-10-25 | 93.20 | 103.36 | n/a | |
| 2024-10-24 | 94.22 | 103.40 | n/a | |
| 2024-10-23 | 94.14 | 105.19 | n/a | |
| 2024-10-22 | 94.73 | 100.43 | n/a | |
| 2024-10-21 | 99.17 | 99.66 | n/a | |
| 2024-10-18 | 100.00 | 100.00 | n/a |
One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Nov 3, 2025 (KMB -14.6%, SW -0.9%). Upcoming earnings: SW Oct 28, 2026 (pre-market); KMB Oct 29, 2026 (not-supplied); SW Nov 4, 2026 (not-supplied); KMB Nov 5, 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
KMB and SW at a glance
KMB Kimberly-Clark Corporation
- Listing
- Nasdaq · SEC CIK 55785
- Industry
- Containers/Packaging · SIC 2670 Converted Paper & Paperboard Prods (No Contaners/Boxes)
- Market value
- $35.1B
- Price history
- 2,521 daily closes, Oct 12, 2016 to Oct 22, 2026
SW Smurfit WestRock plc
- Listing
- NYSE · SEC CIK 2005951
- Industry
- Containers/Packaging · SIC 2650 Paperboard Containers & Boxes
- Market value
- $21.4B
- Price history
- 577 daily closes, Jul 8, 2024 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 KMB and SW
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.
