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Costco Wholesale Corp (COST) stock

COSTNasdaqRetail-Variety StoresFiscal year ends August 30
Financials through Q4 FY2026, quarter ended Aug 30, 2026Last filing: 10-K on Oct 7, 2026Score 17/3057% above fair value
$1012.28+16.20 (+1.63%)

Close on Oct 30, 2026Market cap $448.93BP/E 48.8Yield 0.55%

Price history

Costco Wholesale share prices for every week, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 30, 2026
$1,012.28
+1.63% on the day
52-week range
$844.06 – $1,096.50
-7.7% from the high
Change over 52 weeks
+10.0%
From $920.18 on Oct 30, 2025
Average volume
2.23M
Shares a day, last 90 sessions
Week ofOpenHighLowCloseChangeVolume
Oct 26, 2026$1,001.32$1,021.31$980.32$1,012.28+0.89%11,407,729
Oct 19, 2026$986.00$1,021.45$985.01$1,003.32+1.44%10,673,629
Oct 12, 2026$949.46$1,008.37$946.70$989.11+4.46%11,500,982
Oct 5, 2026$920.00$953.25$914.75$946.92+2.85%9,406,647
Sep 28, 2026$924.39$931.09$903.78$920.65-0.23%11,230,515
Sep 21, 2026$891.07$925.14$883.10$922.77+3.07%13,954,977
Sep 14, 2026$913.65$921.99$888.04$895.31-1.05%12,819,773
Sep 8, 2026$912.40$915.13$898.43$904.77-1.20%8,008,125
Aug 31, 2026$945.19$952.10$914.54$915.74-3.14%10,319,823
Aug 24, 2026$953.01$974.49$933.25$945.47-0.24%8,433,409
Aug 17, 2026$954.84$978.70$925.77$947.74-1.39%9,602,459
Aug 10, 2026$942.47$965.36$935.05$961.10+1.40%7,083,627
Aug 3, 2026$965.15$967.98$935.22$947.82-0.43%9,784,912
Jul 27, 2026$938.11$987.55$936.66$951.89+1.80%10,873,230
Jul 20, 2026$938.75$946.98$916.76$935.03-0.62%8,476,373
Jul 13, 2026$918.43$964.33$910.50$940.87+2.69%12,449,053
Jul 6, 2026$949.10$969.00$907.21$916.25-3.72%12,560,748
Jun 29, 2026$958.55$969.86$920.55$951.67-0.09%11,018,204
Jun 22, 2026$948.57$967.94$938.60$952.54+0.11%17,476,177
Jun 15, 2026$974.19$995.38$948.31$951.45-3.15%9,088,101
Jun 8, 2026$963.46$989.12$961.00$982.35+1.08%9,441,436
Jun 1, 2026$955.00$997.41$936.51$971.87+1.63%12,645,862
May 26, 2026$1,026.13$1,027.50$945.45$956.32-6.99%14,987,263
May 18, 2026$1,050.00$1,096.50$1,025.19$1,028.24-1.97%11,573,362
May 11, 2026$1,005.82$1,057.50$985.15$1,048.95+3.98%9,424,930
May 4, 2026$1,007.02$1,024.72$990.66$1,008.79-0.29%9,374,307
Apr 27, 2026$1,008.63$1,031.27$985.12$1,011.70+0.05%8,472,179
Apr 20, 2026$1,003.85$1,016.60$986.70$1,011.15+1.13%7,324,036
Apr 13, 2026$998.47$1,000.67$966.00$999.89+0.14%10,569,036
Apr 6, 2026$1,014.96$1,035.82$995.50$998.47-1.62%8,909,562
Mar 30, 2026$987.65$1,016.00$985.01$1,014.96+3.16%8,175,442
Mar 23, 2026$985.67$987.19$961.00$983.86+1.19%7,144,980
Mar 16, 2026$1,010.50$1,012.65$970.41$972.33-3.58%7,850,315
Mar 9, 2026$999.63$1,012.83$984.00$1,008.43+1.03%8,362,519
Mar 2, 2026$1,010.91$1,020.82$960.46$998.10-1.26%11,224,177
Feb 23, 2026$981.80$1,014.19$978.06$1,010.79+2.59%10,454,372
Feb 17, 2026$1,022.34$1,028.44$977.81$985.27-3.26%7,071,107
Feb 9, 2026$1,001.32$1,022.88$967.12$1,018.48+1.73%11,044,503
Feb 2, 2026$944.23$1,001.37$931.27$1,001.16+6.48%13,390,897
Jan 26, 2026$986.43$993.00$930.30$940.25-4.37%11,232,726
Jan 20, 2026$958.38$989.64$954.13$983.25+2.04%11,038,578
Jan 12, 2026$920.40$964.98$917.00$963.61+4.19%14,412,243
Jan 5, 2026$863.95$931.67$860.85$924.88+8.24%16,330,587
Dec 29, 2025$873.29$874.50$852.50$854.50-2.16%7,336,574
Dec 22, 2025$854.00$877.59$846.80$873.35+2.07%7,422,869
Dec 15, 2025$882.11$887.49$844.06$855.62-3.26%23,543,599
Dec 8, 2025$893.50$894.00$867.12$884.47-1.14%15,476,130
Dec 1, 2025$913.20$926.32$888.08$894.68-2.07%12,344,411
Nov 24, 2025$899.00$914.20$881.32$913.59+1.62%9,224,701
Nov 17, 2025$922.02$924.90$873.97$899.01-2.60%14,447,295
Nov 10, 2025$919.00$928.89$909.07$922.98+0.03%10,275,573
Nov 3, 2025$912.40$945.28$908.30$922.74+1.24%14,567,600

Seasonality

COST return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average3.2%1.5%1.3%2.4%0.9%1.3%3.5%2.9%-0.9%2.2%7.0%-2.4%
Months up8 of 106 of 105 of 108 of 107 of 106 of 107 of 106 of 104 of 105 of 109 of 93 of 9
20269.2%7.5%-1.4%1.8%-5.6%-2.2%1.9%-0.8%-3.6%11.4%
20256.9%7.1%-9.8%5.2%4.7%-4.8%-5.1%0.5%-1.9%-1.4%0.2%-5.6%
20245.3%7.2%-1.5%-1.2%12.0%5.0%-3.2%8.6%-0.7%-1.4%11.3%-5.7%
202312.0%-5.1%2.6%1.3%1.9%5.2%4.1%-1.8%2.9%-2.2%7.5%13.9%
2022-11.0%3.0%10.9%-7.5%-12.3%2.8%13.1%-3.5%-9.5%6.4%7.5%-15.3%
2021-6.5%-5.9%6.5%5.8%1.7%4.6%8.8%6.0%-1.3%9.6%9.7%5.3%
20203.9%-7.8%1.4%6.5%1.8%-1.7%7.6%6.8%2.1%0.9%9.5%-1.3%
20195.4%2.2%10.7%1.4%-2.2%10.3%4.3%7.2%-2.3%3.3%0.9%-2.0%
20184.7%-1.8%-1.3%4.6%0.8%5.4%4.7%6.9%0.8%-2.7%1.4%-11.9%
20172.4%8.4%-5.4%5.9%6.1%-11.4%-0.9%-0.8%4.8%-2.0%14.8%0.9%