Seasonality
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GLW - Average growth of $100 invested at start of year
5 years of data
Jan is the seasonally strongest month over 5Y.
Jan averages +9.2% with a 83% win rate across 5 years of history.
Mar shows persistent seasonal weakness.
Mar averages -3.0% with only a 43% win rate across 5 years of history.
Q2 (Apr–May–Jun) is the seasonally strongest quarter.
The three months of Q2 combine for a +16.1% average return historically.
January Effect: Q1 historically opens the year positively.
Q1 (Jan–Mar) averages +11.3% historically, with January alone posting a 83% win rate.
2026 YTD is tracking above the 5Y seasonal average.
At day 155 of the year, the current YTD return is +72.6% vs the historical average for the same point.
Monthly Returns Heatmap
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 17.92% | 45.92% | -9.58% | 20.79% | 10.47% | 41.00% | -45.88% | 20.07% | ||||
| 2025 | 9.60% | -3.15% | -8.71% | -3.06% | 12.37% | 6.05% | 20.25% | 6.43% | 22.38% | 8.59% | -5.16% | 3.99% |
| 2024 | 6.70% | 0.09% | 2.23% | 1.27% | 12.48% | 4.27% | 2.99% | 5.30% | 7.89% | 5.40% | 2.88% | -2.36% |
| 2023 | 8.36% | -1.10% | 3.92% | -5.84% | -6.42% | 13.73% | -3.14% | -2.47% | -7.16% | -12.18% | 7.50% | 6.88% |
| 2022 | 12.92% | -3.26% | -8.64% | -4.66% | 2.58% | -12.03% | 16.66% | -5.90% | -15.44% | 10.85% | 6.96% | -6.42% |
| 2021 | -0.36% | 7.27% | 13.78% | 1.61% | -0.77% | -6.26% | 2.35% | -3.90% | -8.75% | -2.52% | 4.93% | 0.38% |
| 2020 | -9.82% | -13.91% | 7.16% | 4.53% | 13.65% | 19.69% | 5.42% | -0.15% | -1.36% | 17.77% | -3.79% | |
| Avg | 9.19% | 5.14% | -2.99% | 2.47% | 5.03% | 8.63% | 1.85% | 0.81% | -0.21% | 1.47% | 5.81% | -0.22% |
GLW Distribution of Daily Returns from 2021 to 2026
GLW Distribution of Daily % Changes
GLW - Average returns for the respective month in the last 5 years