COST

Costco Wholesale Corporation $996.08 as of 2026-10-29
Model view — historical tendencies for the days ahead, not a forecast
Next 1 day
+0.1%
Next 1 week
-0.1%
Next 1 month
+1.0%
Seasonality
Bullish window historically
Next 30 days (to Nov 29): +4.1% median, 69% of the last 39 years finished up.
20-year seasonality chart →
Mean reversion
Neutral — RSI(2) at 62
RSI(2) under 15 is oversold (this name has historically bounced); over 85 is overbought. Its dip-buy edge in history is -0.01%/day.
Mean-reversion stats →
1-month breakdown — Market · β -0.18 -0.5% · Seasonal tilt +1.5%
$441.3B market cap (#21 US) $2.0B/day volume 20% volatility +8% 1-year -9% from ATH
52-week range · 60% of the way up · -9% from the high
$844.06$1096.50

Congressional trades in COST Full tracker →

59 members · 123 buys / 98 sells · $1.8M–$6.9M disclosed · latest filing Oct 27, 2026.

SELL PS Pete Sessions · traded Oct 13, 2026 $100K–$250K
SELL PS Pete Sessions · traded Oct 2, 2026 $250K–$500K
SELL RA Richard W. Allen · traded Sep 18, 2026 $1K–$15K
SELL RM Richard Dean McCormick · traded Jul 30, 2026 $1K–$15K
BUY AA Alan Armstrong · traded Mar 27, 2026 $1K–$15K
BUY DN Dan Newhouse · traded Jul 10, 2026 $1K–$15K
BUY GC Gilbert Cisneros · traded Jan 30, 2026 $1K–$15K
BUY MM Markwayne Mullin · traded Dec 29, 2025 $15K–$50K
SELL GC Gilbert Cisneros · traded Dec 24, 2025 $1K–$15K
BUY RM Richard Dean McCormick · traded Nov 5, 2025 $1K–$15K
BUY GC Gilbert Cisneros · traded Oct 17, 2025 $1K–$15K
BUY JB John Boozman · traded Oct 9, 2025 $1K–$15K
SELL SC Shelley M Capito · traded Oct 17, 2025 $1K–$15K
SELL VH Valerie Hoyle · traded Sep 23, 2025 $1K–$15K
BUY RM Richard Dean McCormick · traded Mar 15, 2023 $1K–$15K
BUY VH Valerie Hoyle · traded Oct 29, 2024 $1K–$15K
BUY LM Lisa McClain · traded Jun 17, 2025 $1K–$15K
SELL LM Lisa McClain · traded Jun 9, 2025 $1K–$15K
SELL LM Lisa McClain · traded Jul 10, 2025 $1K–$15K
BUY LM Lisa McClain · traded Dec 11, 2024 $1K–$15K
BUY SF Scott Scott Franklin · traded Aug 7, 2024 $1K–$15K
SELL JS Jefferson Shreve · traded May 12, 2025 $100K–$250K
SELL BW Bruce Westerman · traded Apr 21, 2025 $1K–$15K
BUY BW Bruce Westerman · traded Mar 3, 2025 $1K–$15K
SELL JS Jefferson Shreve · traded Mar 31, 2025 $15K–$50K
SELL GL Greg Landsman · traded Mar 27, 2025 $15K–$50K
SELL GL Greg Landsman · traded Mar 27, 2025 $1K–$15K
SELL SF Scott Scott Franklin · traded Jan 28, 2025 $1K–$15K
SELL SF Scott Scott Franklin · traded Jan 28, 2025 $50K–$100K
SELL GL Greg Landsman · traded Feb 26, 2025 $1K–$15K
BUY JC James Comer · traded Jan 2, 2025 $1K–$15K
BUY MG Marjorie Taylor Greene · traded Nov 25, 2024 $1K–$15K
BUY MG Marjorie Taylor Greene · traded Oct 4, 2024 $1K–$15K
BUY JM Jared Moskowitz · traded Jul 14, 2023 $1K–$15K
BUY JM Jared Moskowitz · traded Dec 28, 2023 $1K–$15K
SELL CF C. Scott Franklin · traded Aug 1, 2024 $1K–$15K
SELL CF C. Scott Franklin · traded Aug 6, 2024 $15K–$50K
BUY KM Kathy Manning · traded Jul 2, 2024 $1K–$15K
BUY GL Greg Landsman · traded May 15, 2024 $1K–$15K
BUY GL Greg Landsman · traded Jan 12, 2023 $1K–$15K
BUY MG Marjorie Taylor Greene · traded Jun 24, 2024 $1K–$15K
BUY PS Pete Sessions · traded Jan 31, 2024 $1K–$15K
BUY KH Kevin Hern · traded Jan 12, 2024 $1K–$15K
BUY KM Kathy Manning · traded Jan 23, 2024 $1K–$15K
BUY KM Kathy Manning · traded Jan 23, 2024 $15K–$50K
SELL JC John Curtis · traded Dec 4, 2023 $1K–$15K
BUY GS Greg Stanton · traded Sep 26, 2023 $1K–$15K
SELL GS Greg Stanton · traded Oct 24, 2023 $1K–$15K
BUY MM Markwayne Mullin · traded Oct 3, 2023 $1K–$15K
BUY MM Markwayne Mullin · traded Sep 18, 2023 $15K–$50K
SELL DS Daniel S Sullivan · traded Aug 22, 2023 $1K–$15K
SELL DS Daniel S Sullivan · traded Aug 22, 2023 $1K–$15K
BUY RA Richard W. Allen · traded Apr 27, 2017 $15K–$50K
BUY RA Richard W. Allen · traded Sep 10, 2019 $15K–$50K
SELL ZL Zoe Lofgren · traded May 25, 2023 $1K–$15K
BUY RL Rick Larsen · traded Mar 31, 2021 $1K–$15K
BUY SF Scott Franklin · traded Apr 19, 2023 $1K–$15K
BUY SF Scott Franklin · traded Apr 19, 2023 $50K–$100K
SELL JC John Curtis · traded Feb 23, 2023 $1K–$15K
BUY JM Jared Moskowitz · traded Feb 21, 2023 $1K–$15K

Showing the 60 most recent filings of 221 — full tracker.

Earnings Full history →

Next report 2026-12-10 (Thursday, after close, in 42 days) · EPS est. 4.94.

1-day std dev
3.1%
Finished up
47%
Biggest pop
+6.6%
Biggest drop
-8.6%

Standard deviation of the close-to-close move over the last 60 reports. History, not a forecast.

ReportedEst.Actual SurpriseGap Day 1Day 5
2026-09-24 beat 6.53 6.75 +3.4% -1.1% +2.9% +2.7%
2026-05-28 miss 4.97 4.93 -0.8% -0.9% -3.9% -2.3%
2026-03-05 beat 4.55 4.58 +0.7% -1.6% +1.6% +2.6%
2025-12-11 beat 4.27 4.50 +5.5% -0.1% +0.0% -3.3%
2025-09-25 beat 5.80 5.87 +1.1% -1.9% -2.9% -3.0%
2025-05-29 beat 4.23 4.28 +1.2% -0.6% +3.1% +0.6%
2025-03-06 miss 4.10 4.02 -1.9% -3.1% -6.1% -12.0%
2024-12-12 beat 3.80 4.04 +6.4% -0.7% +0.1% -3.5%
2024-09-26 beat 5.08 5.15 +1.4% -0.9% -1.8% -2.0%
2024-06-06 beat 3.76 3.78 +0.4% +0.1% +1.0% +1.4%
2024-03-07 beat 3.64 3.71 +2.0% -3.8% -7.6% -7.6%
2023-12-14 beat 3.42 3.58 +4.8% +1.7% +4.4% +6.5%
2023-09-26 beat 4.78 4.86 +1.8% -1.0% +1.9% +3.4%
2023-06-01 miss 3.43 2.93 -14.5% -0.4% +0.2% +1.7%
2023-03-02 beat 3.23 3.30 +2.2% -2.2% -2.1% -3.0%
2022-12-08 miss 3.16 3.10 -2.0% -1.3% +0.3% -4.1%
2022-09-22 miss 4.20 4.20 -0.1% -1.7% -4.3% -3.1%
2022-05-26 beat 3.02 3.17 +5.0% -1.8% +1.2% +1.6%
2022-03-03 beat 2.79 2.92 +4.6% -2.5% -1.4% -1.1%
2021-12-09 beat 2.65 2.98 +12.6% +2.0% +6.6% +4.4%
2021-09-23 beat 3.58 3.76 +4.9% +0.7% +3.3% -1.0%
2021-05-27 beat 2.28 2.75 +20.7% -0.9% -2.4% -1.8%
2021-03-04 miss 2.43 2.14 -12.0% -1.2% -0.5% +3.8%
2020-12-10 beat 2.04 2.29 +12.3% +1.9% +0.6% -1.6%
2020-09-24 beat 2.81 3.13 +11.3% -1.8% -1.3% +2.3%
2020-05-28 beat 1.89 1.89 +0.1% -1.7% -0.4% +0.8%
2020-03-05 beat 2.06 2.10 +1.7% -1.1% -1.4% -4.3%
2019-12-12 beat 1.71 1.90 +11.0% -0.9% -1.8% -0.8%
2019-10-03 beat 2.55 2.69 +5.3% -0.4% +0.9% +3.0%
2019-05-30 beat 1.81 2.05 +13.0% -1.1% -0.8% +6.0%
2019-03-07 beat 1.69 2.01 +19.0% +4.0% +5.1% +7.8%
2018-12-13 miss 1.62 1.61 -0.7% -3.8% -8.6% -14.1%
2018-10-04 beat 2.34 2.36 +0.7% -2.9% -5.6% -2.0%
2018-05-31 beat 1.70 1.70 +0.3% -1.4% -0.6% +2.8%
2018-03-07 beat 1.51 1.59 +5.2% -0.6% -0.9% -1.0%
2017-12-14 beat 1.35 1.36 +0.9% +3.7% +3.3% +0.1%
2017-10-05 beat 2.02 2.08 +2.9% -4.8% -6.0% -4.3%
2017-05-25 beat 1.30 1.59 +22.7% +3.2% +1.8% +4.2%
2017-03-02 miss 1.36 1.17 -13.8% -4.1% -4.3% -7.1%
2016-12-07 beat 1.19 1.24 +4.3% +1.8% +2.4% +4.1%
2016-09-29 beat 1.73 1.77 +2.5% +2.9% +3.4% +1.7%
2016-05-25 beat 1.22 1.24 +1.2% +3.1% +3.6% +5.0%
2016-03-02 miss 1.28 1.24 -3.2% -2.8% -0.8% +0.1%
2015-12-08 miss 1.17 1.09 -6.8% -3.6% -5.4% -3.6%
2015-09-29 beat 1.66 1.73 +4.4% -0.1% +0.6% +3.0%
2015-05-27 beat 1.15 1.17 +1.4% -0.8% -0.8% -3.3%
2015-03-05 beat 1.18 1.35 +14.7% +2.4% +2.7% +1.5%
2014-12-10 beat 1.09 1.12 +2.5% +1.3% -2.0% -2.6%
2014-10-08 beat 1.52 1.58 +4.0% +2.3% +2.8% -0.8%
2014-05-29 miss 1.09 1.07 -2.0% +0.3% -0.1% +3.1%
2014-03-06 miss 1.17 1.05 -9.9% -2.9% -2.8% -1.8%
2013-12-11 miss 1.02 0.96 -5.7% -1.6% -1.2% -1.3%
2013-10-09 miss 1.46 1.40 -3.8% -1.0% +2.1% +4.6%
2013-05-30 beat 1.03 1.04 +1.0% +1.2% -0.9% -1.6%
2013-03-12 beat 1.05 1.10 +4.4% +1.1% +1.3% -0.3%
2012-12-12 beat 0.93 0.95 +2.0% +0.7% -0.6% +0.4%
2012-10-10 beat 1.31 1.39 +6.5% +2.8% +1.9% -2.9%
2012-05-24 beat 0.87 0.88 +1.2% +1.1% +1.4% +2.6%
2012-02-29 beat 0.88 0.90 +2.6% +1.1% +0.9% +3.1%
2011-12-08 beat 0.80 0.80 +0.4% -3.0% -2.0% -5.6%

Not investment advice.