Seasonality

MRSH seasonality — Marsh McLennan

Over the last 11 years, MRSH's strongest month on average has been November (+4.9%) and its weakest September (-2.3%).

MRSH overview →

Average return by month

Month-by-month statistics

MonthAvgMedianUp %BestWorstYrs
Jan+0.81%+1.77%80%+10.6%-11.6%10
Feb+1.83%+2.75%60%+9.7%-7.3%10
Mar-0.09%+1.39%70%+9.7%-17.3%10
Apr+1.24%-0.50%50%+12.6%-7.6%10
May+1.35%+1.67%60%+8.8%-4.6%10
Jun+1.48%+1.60%80%+8.6%-6.4%10
Jul+3.03%+3.17%80%+13.8%-8.9%10
Aug+1.56%+1.31%80%+6.8%-1.6%10
Sep-2.26%-2.17%20%+7.3%-10.1%10
Oct+1.45%+1.06%50%+17.5%-11.6%10
Nov+4.89%+4.66%89%+10.8%-1.7%9
Dec-2.17%-2.75%40%+6.0%-10.1%10

Monthly returns heat map — MRSH

price return, %
YearJanFebMarAprMayJunJulAugSepOctNovDecYear
2026 1.4-0.8-7.1-3.3-4.64.213.80.1-10.117.52.1 +10.4%
2025 2.19.72.6-7.63.6-6.4-8.93.3-2.1-11.63.01.1 -12.7%
2024 2.34.31.8-3.24.11.55.62.2-1.9-2.26.9-8.9 +12.1%
2023 5.7-7.32.78.2-3.98.60.23.5-2.4-0.35.2-5.0 +14.5%
2022 -11.61.19.7-5.1-1.1-2.95.6-1.6-7.58.27.2-4.5 -4.8%
2021 -6.14.85.711.41.91.74.76.8-3.710.2-1.76.0 +48.6%
2020 0.4-6.5-17.312.68.81.48.6-1.4-0.2-9.810.82.1 +5.0%
2019 10.65.50.90.41.44.3-0.91.10.23.64.33.1 +39.7%
2018 2.6-0.6-0.5-1.3-1.42.01.71.5-2.32.54.7-10.1 -2.0%
2017 0.68.00.60.34.60.50.00.17.3-3.43.7-3.0 +20.4%
2016 -2.5