Seasonality

BLK seasonality — BlackRock

Over the last 11 years, BLK's strongest month on average has been November (+7.2%) and its weakest February (-3.3%).

BLK overview →

Average return by month

Month-by-month statistics

MonthAvgMedianUp %BestWorstYrs
Jan+1.73%+4.72%60%+9.4%-10.1%10
Feb-3.31%-3.59%30%+6.8%-12.2%10
Mar-1.26%-2.17%30%+8.6%-9.6%10
Apr+1.28%+0.29%60%+14.1%-18.2%10
May+1.96%+3.87%70%+7.2%-14.4%10
Jun+0.93%+2.45%60%+12.9%-9.0%10
Jul+5.31%+5.55%80%+13.4%-0.9%10
Aug+0.12%+0.75%50%+8.8%-9.7%10
Sep-3.05%-3.39%40%+6.7%-17.4%10
Oct+3.17%+4.46%70%+17.4%-12.7%10
Nov+7.18%+6.45%78%+22.7%-4.1%9
Dec+1.25%+1.89%80%+8.1%-8.2%10

Monthly returns heat map — BLK

price return, %
YearJanFebMarAprMayJunJulAugSepOctNovDecYear
2026 4.5-5.0-9.610.8-1.8-8.213.46.0-8.48.42.7 +10.1%
2025 4.9-9.1-3.2-3.47.27.15.41.93.4-7.1-3.32.2 +4.4%
2024 -4.64.82.8-9.52.32.011.32.95.33.34.30.2 +26.3%
2023 7.1-9.2-3.00.3-2.05.16.9-5.2-7.7-5.322.78.1 +14.6%
2022 -10.1-9.62.7-18.27.1-9.09.9-0.4-17.417.410.8-1.0 -22.6%
2021 -2.8-1.08.68.77.0-0.2-0.98.8-11.112.5-4.11.2 +26.9%
2020 4.9-12.2-5.014.15.32.95.73.3-5.26.316.63.3 +43.5%
2019 5.76.8-3.613.5-14.412.9-0.3-9.75.53.67.21.6 +28.0%
2018 9.4-2.2-1.4-3.72.4-6.60.8-4.7-1.6-12.74.0-8.2 -23.5%
2017 -1.73.6-1.00.36.43.21.0-1.86.75.36.52.5 +35.0%
2016 2.6