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Lam Research Seasonality

Historical month-by-month and year-by-year returns

Based on 43 calendar years of monthly closes, starting 1984.

By Month

MonthAverageMedian% PositiveBestWorst
January+10.2%+3.3%60%+115.4%22.0%
February+2.7%+1.4%60%+25.0%23.0%
March+0.8%0.1%48%+35.5%18.8%
April+4.8%+6.6%60%+29.0%14.7%
May+3.6%+4.4%60%+28.8%30.0%
June+0.7%+1.2%56%+68.2%34.6%
July+0.8%+3.2%53%+42.7%32.4%
August+0.8%+1.5%55%+26.4%39.0%
September4.4%4.1%38%+33.7%40.1%
October+5.0%+3.7%62%+44.4%40.2%
November+4.9%+0.4%50%+51.9%28.8%
December+2.0%0.0%48%+54.1%33.5%

By Calendar Year

YearReturn
2025+137.0%
20247.8%
2023+86.4%
202241.6%
2021+52.3%
2020+61.5%
2019+114.7%
201826.0%
2017+74.1%
2016+33.1%
2015+0.1%
2014+45.7%
2013+50.7%
20122.4%
201128.5%
2010+32.1%
2009+84.3%
200850.8%
200714.6%
2006+41.9%
2005+23.4%
200410.5%
2003+199.1%
200253.5%
2001+60.1%
200061.0%
1999+526.3%
199839.1%
1997+4.0%
199638.5%
1995+22.8%
1994+14.6%
1993+133.5%
1992+67.0%
1991+156.4%
19909.3%
198932.8%
1988+12.3%
1987+58.3%
198655.6%
1985+22.7%

These are historical patterns, not a forecast — past calendar-month performance does not predict future returns.