Seasonality

IBKR seasonality — Interactive Brokers

Over the last 11 years, IBKR's strongest month on average has been November (+6.1%) and its weakest March (-5.6%).

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Average return by month

Month-by-month statistics

MonthAvgMedianUp %BestWorstYrs
Jan+4.67%+4.67%80%+23.1%-14.1%10
Feb+5.97%+8.09%60%+22.5%-6.0%10
Mar-5.58%-4.77%20%+2.8%-19.0%10
Apr+1.81%+1.68%60%+18.5%-9.6%10
May+3.24%+1.72%60%+22.0%-6.3%10
Jun-0.09%-0.64%50%+7.6%-11.5%10
Jul+3.59%+3.11%60%+18.8%-7.1%10
Aug+3.48%+4.59%80%+10.6%-7.9%10
Sep+0.32%+0.10%50%+13.9%-12.2%10
Oct+2.95%+0.34%50%+25.4%-11.6%10
Nov+6.07%+4.19%78%+25.2%-7.6%9
Dec+0.50%-0.83%40%+15.5%-9.9%10

Monthly returns heat map — IBKR

price return, %
YearJanFebMarAprMayJunJulAugSepOctNovDecYear
2026 16.4-4.9-5.818.59.40.11.110.6-12.2-10.0-1.4 +17.9%
2025 23.1-6.0-19.03.822.05.718.3-5.110.62.2-7.6-1.1 +45.6%
2024 7.122.52.83.09.2-2.5-2.78.18.19.525.2-7.5 +113.1%
2023 10.57.7-4.1-5.7-0.87.65.14.3-5.0-7.5-2.86.5 +14.6%
2022 -14.1-3.0-0.4-9.63.3-10.66.74.93.825.40.2-9.9 -8.9%
2021 0.418.30.9-2.1-6.0-2.3-5.94.5-3.613.74.27.6 +30.4%
2020 0.88.7-15.5-5.03.3-1.418.86.9-8.8-1.610.915.5 +30.7%
2019 -7.89.6-6.14.5-6.36.7-5.4-7.913.9-11.61.8-3.7 -14.7%
2018 8.18.4-3.110.3-1.9-11.5-7.13.8-11.0-10.717.1-5.5 -7.7%
2017 2.3-1.7-5.40.30.17.37.04.77.419.95.63.8 +62.2%
2016 -0.6