KOSPI (^KS11)
Seasonality Analysis
South Korean stock index
KOSPI Annual Seasonality Statistics
KOSPI Monthly Seasonality Performance
| Month | Avg Return | Win Rate | Strength |
|---|---|---|---|
| January | 0.91% | Moderate | |
| February | 0.93% | Weak | |
| March | 0.29% | Moderate | |
| April BEST | 2.36% | Strong | |
| May | -0.09% | Weak | |
| June | 0.04% | Moderate | |
| July | 0.77% | Moderate | |
| August | -0.53% | Weak | |
| September WORST | -0.78% | Weak | |
| October | -0.37% | Weak | |
| November | 1.51% | Weak | |
| December | 0.99% | Moderate |
KOSPI 2026 vs Historical Pattern
KOSPI Interactive Seasonality Chart
KOSPI Pattern Scanner
KOSPI Seasonal Historical Performance
About KOSPI (^KS11) Seasonality
KOSPI (^KS11) has been analyzed using 27 years of historical data to identify seasonal patterns. Classified under Indices, KOSPI shows distinct seasonal tendencies based on historical data.
The strongest month for KOSPI is historically April, with an average return of 2.36% and a win rate of 67%. Conversely, September tends to be the weakest month, averaging -0.78% return.
Looking at the full calendar year, KOSPI has an average annual return of 6.04% with an overall monthly win rate of 54.7%. Out of 12 months, 8 typically show positive average returns.
The seasonal pattern for KOSPI has a consistency score of 38.5 (Poor), based on 27 years of data. Higher consistency means the seasonal pattern has been more reliable across different market conditions.
KOSPI Seasonality FAQ
What is the best month to buy KOSPI (^KS11)?
Historically, April has been the best month for KOSPI, with an average return of 2.36% and a win rate of 67%. However, past performance does not guarantee future results.
What is the worst month for KOSPI (^KS11)?
Based on historical data, September has been the weakest month for KOSPI, with an average return of -0.78%. This is a historical observation and does not guarantee future results.
How reliable is ^KS11 seasonality data?
The seasonality analysis for KOSPI 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 KOSPI seasonality in my trading?
Use KOSPI (^KS11) 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.