13-Week Treasury (^IRX)
Seasonality Analysis
US 3-month bill yield
13-Week Treasury Annual Seasonality Statistics
13-Week Treasury Monthly Seasonality Performance
| Month | Avg Return | Win Rate | Strength |
|---|---|---|---|
| January | 49.96% | Strong | |
| February | 12.30% | Very Strong | |
| March | 5.59% | Weak | |
| April | -4.31% | Weak | |
| May | 10.15% | Moderate | |
| June | 16.17% | Moderate | |
| July BEST | 110.67% | Strong | |
| August | -6.92% | Weak | |
| September WORST | -12.88% | Very Weak | |
| October | 11.29% | Moderate | |
| November | 21.02% | Weak | |
| December | 49.34% | Weak |
13-Week Treasury 2026 vs Historical Pattern
13-Week Treasury Interactive Seasonality Chart
13-Week Treasury Pattern Scanner
13-Week Treasury Seasonal Historical Performance
About 13-Week Treasury (^IRX) Seasonality
13-Week Treasury (^IRX) has been analyzed using 27 years of historical data to identify seasonal patterns. Classified under Bonds, 13-Week Treasury shows distinct seasonal tendencies based on historical data.
The strongest month for 13-Week Treasury is historically July, with an average return of 110.67% and a win rate of 62%. Conversely, September tends to be the weakest month, averaging -12.88% return.
Looking at the full calendar year, 13-Week Treasury has an average annual return of 262.39% with an overall monthly win rate of 52.2%. Out of 12 months, 9 typically show positive average returns.
The seasonal pattern for 13-Week Treasury has a consistency score of 6.7 (Poor), based on 27 years of data. Higher consistency means the seasonal pattern has been more reliable across different market conditions.
13-Week Treasury Seasonality FAQ
What is the best month to buy 13-Week Treasury (^IRX)?
Historically, July has been the best month for 13-Week Treasury, with an average return of 110.67% and a win rate of 62%. However, past performance does not guarantee future results.
What is the worst month for 13-Week Treasury (^IRX)?
Based on historical data, September has been the weakest month for 13-Week Treasury, with an average return of -12.88%. This is a historical observation and does not guarantee future results.
How reliable is ^IRX seasonality data?
The seasonality analysis for 13-Week Treasury is based on 27 years of historical price data. While seasonal patterns can provide useful insights, they should be combined with other forms of analysis. Past patterns do not guarantee future performance.
How can I use 13-Week Treasury seasonality in my trading?
Use 13-Week Treasury (^IRX) seasonality as one factor in your analysis. Identify historically strong and weak months, combine with other research methods. SeasOptima provides premium tools including interactive charts, pattern scanning, and historical performance data for deeper analysis.