13-week Treasury Bill Index (IRX.INDX)
Seasonality Analysis
13-week Treasury Bill Index Annual Seasonality Statistics
13-week Treasury Bill Index Monthly Seasonality Performance
| Month | Avg Return | Win Rate | Strength |
|---|---|---|---|
| January | 1.89% | Weak | |
| February | 235.64% | Very Strong | |
| March WORST | -9.87% | Very Weak | |
| April | 1.49% | Weak | |
| May | 13.78% | Moderate | |
| June | 46.04% | Weak | |
| July | 4.77% | Very Strong | |
| August BEST | 289.55% | Strong | |
| September | 267.27% | Strong | |
| October | 204.54% | Weak | |
| November | 0.24% | Weak | |
| December | -1.74% | Very Weak |
13-week Treasury Bill Index 2026 vs Historical Pattern
13-week Treasury Bill Index Interactive Seasonality Chart
13-week Treasury Bill Index Pattern Scanner
13-week Treasury Bill Index Seasonal Historical Performance
About 13-week Treasury Bill Index (IRX.INDX) Seasonality
13-week Treasury Bill Index (IRX.INDX) has been analyzed using 5 years of historical data to identify seasonal patterns. Classified under Indices, 13-week Treasury Bill Index shows distinct seasonal tendencies based on historical data.
The strongest month for 13-week Treasury Bill Index is historically August, with an average return of 289.55% and a win rate of 67%. Conversely, March tends to be the weakest month, averaging -9.87% return.
Looking at the full calendar year, 13-week Treasury Bill Index has an average annual return of 1,053.59% with an overall monthly win rate of 48.2%. Out of 12 months, 10 typically show positive average returns.
13-week Treasury Bill Index Seasonality FAQ
What is the best month to buy 13-week Treasury Bill Index (IRX.INDX)?
Historically, August has been the best month for 13-week Treasury Bill Index, with an average return of 289.55% and a win rate of 67%. However, past performance does not guarantee future results.
What is the worst month for 13-week Treasury Bill Index (IRX.INDX)?
Based on historical data, March has been the weakest month for 13-week Treasury Bill Index, with an average return of -9.87%. This is a historical observation and does not guarantee future results.
How reliable is IRX.INDX seasonality data?
The seasonality analysis for 13-week Treasury Bill Index is based on 5 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 Bill Index seasonality in my trading?
Use 13-week Treasury Bill Index (IRX.INDX) 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.