Seasonality
Natural Gas (Henry Hub)
NG=F · daily history 2000-08-30 → 2026-07-09
July avg return (15y)
-0.4%
month-over-month, n = 15 years
July positive-close prob. (15y)
26.7%
share of those years the month closed positive
Years in 15y sample
15
complete calendar years
Strongest month (15y)
7.4%
April
Seasonal path
Average cumulative return through the year (blue, 15-year window), each year indexed to its own first session, with 2026 so far overlaid in amber.
Monthly averages
Average month-over-month return by calendar month (positive blue, negative amber), with the positive-close probability labelled above each bar.
Bars: average month-over-month return (15-year window). Labels above each bar: positive-close probability (share of those years the month closed positive).
Monthly table
Every calendar month over the 15-year window. Sortable by average return or positive-close probability.
| Month | n years | ||
|---|---|---|---|
| January | -5.60% | 33.3% | 15 |
| February | -3.05% | 40.0% | 15 |
| March | 1.73% | 46.7% | 15 |
| April | 7.37% | 86.7% | 15 |
| May | 1.68% | 46.7% | 15 |
| June | 2.18% | 46.7% | 15 |
| July | -0.44% | 26.7% | 15 |
| August | 5.67% | 73.3% | 15 |
| September | 4.41% | 60.0% | 15 |
| October | 5.70% | 60.0% | 15 |
| November | 2.77% | 53.3% | 15 |
| December | -10.86% | 26.7% | 15 |