Seasonality Snapshot

iShares Russell 2000 (IWM)

ETF · US · Index Funds & ETFs
✓ VERIFIED · 15YR REAL DATA
JanFebMarAprMayJunJulAugSepOctNovDec
NEUTRAL SEASONALITY — August
Strongest Month
November
+4.31% avg · 87% win rate
Weakest Month
September
-1.53% avg · 47% win rate
MonthAvg ReturnWin Rate
January +1.17% 56%
February +1.29% 69%
March -0.89% 63%
April +0.53% 50%
May +1.14% 69%
June +2.00% 69%
July +1.82% 63%
August NOW -0.04% 50%
September -1.53% 47%
October +1.77% 67%
November +4.31% 87%
December +0.32% 60%
These figures are computed from 15 years of actual monthly closing prices. Past seasonal patterns are not a guarantee of future performance. See our methodology for how this is calculated, or visit the Academy to learn how to read seasonal data responsibly.

iShares Russell 2000 seasonality — common questions

What is iShares Russell 2000's best month historically?
Historically, November has been iShares Russell 2000's strongest month, averaging +4.31% with a 87% win rate over 15 years of data. September has been the weakest at -1.53%.
Is iShares Russell 2000 seasonal?
iShares Russell 2000 shows a measurable seasonal pattern: its best and worst months differ by 5.84 percentage points on average. These figures come from 15 years of real monthly closing prices. Seasonality is a historical tendency, not a prediction.
How does iShares Russell 2000 historically perform in August?
iShares Russell 2000 is currently in August, which has historically averaged -0.04% with a 50% win rate. That is a historically neutral window.

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