Costco Wholesale Corporation (COST)
NASDAQ: COST · Real-Time Price · USD
952.36
-10.67 (-1.11%)
At close: Sep 18, 2025, 4:00 PM EDT
953.26
+0.90 (0.09%)
After-hours: Sep 18, 2025, 7:59 PM EDT
Costco Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 18, 2025 | 957.37 | 962.54 | 950.67 | 952.36 | 952.36 | -1.11% | 1,839,112 |
| Sep 17, 2025 | 953.49 | 963.98 | 953.49 | 963.03 | 963.03 | 1.15% | 1,556,773 |
| Sep 16, 2025 | 959.10 | 959.58 | 950.80 | 952.07 | 952.07 | -0.84% | 2,012,649 |
| Sep 15, 2025 | 967.82 | 969.74 | 959.71 | 960.10 | 960.10 | -0.81% | 2,199,423 |
| Sep 12, 2025 | 960.29 | 969.57 | 960.00 | 967.90 | 967.90 | 0.37% | 1,461,618 |
| Sep 11, 2025 | 957.80 | 965.16 | 954.28 | 964.32 | 964.32 | 0.84% | 1,532,027 |
| Sep 10, 2025 | 976.39 | 981.00 | 953.96 | 956.29 | 956.29 | -2.34% | 2,277,534 |
| Sep 9, 2025 | 970.00 | 979.87 | 963.11 | 979.25 | 979.25 | 0.76% | 1,496,835 |
| Sep 8, 2025 | 963.73 | 972.34 | 958.59 | 971.85 | 971.85 | 0.87% | 1,737,032 |
| Sep 5, 2025 | 958.71 | 969.55 | 956.22 | 963.48 | 963.48 | 0.79% | 1,928,459 |
| Sep 4, 2025 | 953.40 | 959.50 | 951.11 | 955.90 | 955.90 | 0.64% | 1,471,872 |
| Sep 3, 2025 | 939.00 | 950.09 | 936.50 | 949.78 | 949.78 | 1.17% | 1,656,311 |
| Sep 2, 2025 | 938.66 | 944.51 | 936.58 | 938.82 | 938.82 | -0.48% | 1,793,947 |
| Aug 29, 2025 | 945.00 | 948.61 | 940.46 | 943.32 | 943.32 | -0.17% | 1,608,954 |
| Aug 28, 2025 | 950.29 | 951.00 | 944.13 | 944.96 | 944.96 | -0.48% | 2,067,919 |
| Aug 27, 2025 | 940.49 | 952.00 | 937.22 | 949.52 | 949.52 | 0.87% | 1,893,587 |
| Aug 26, 2025 | 941.34 | 944.05 | 933.25 | 941.34 | 941.34 | -0.03% | 4,341,253 |
| Aug 25, 2025 | 954.96 | 958.31 | 940.56 | 941.58 | 941.58 | -1.77% | 2,284,250 |
| Aug 22, 2025 | 971.54 | 973.50 | 953.11 | 958.54 | 958.54 | -1.15% | 3,135,979 |
| Aug 21, 2025 | 988.90 | 989.32 | 967.52 | 969.68 | 969.68 | -2.50% | 2,145,629 |
| Aug 20, 2025 | 979.00 | 999.30 | 979.00 | 994.57 | 994.57 | 1.40% | 2,229,573 |
| Aug 19, 2025 | 978.62 | 988.53 | 976.79 | 980.85 | 980.85 | 0.15% | 1,673,394 |
| Aug 18, 2025 | 973.30 | 981.28 | 970.00 | 979.35 | 979.35 | 0.75% | 2,078,489 |
| Aug 15, 2025 | 979.14 | 980.00 | 967.22 | 972.04 | 972.04 | -0.34% | 1,638,281 |
| Aug 14, 2025 | 980.60 | 988.29 | 975.18 | 975.39 | 975.39 | -0.35% | 1,808,742 |
| Aug 13, 2025 | 983.96 | 986.40 | 970.10 | 978.85 | 978.85 | -1.25% | 2,352,567 |
| Aug 12, 2025 | 988.50 | 991.75 | 980.05 | 991.25 | 991.25 | 0.25% | 1,589,455 |
| Aug 11, 2025 | 983.16 | 989.58 | 976.32 | 988.74 | 988.74 | 0.79% | 2,290,125 |
| Aug 8, 2025 | 977.15 | 988.20 | 977.00 | 980.98 | 980.98 | 0.36% | 2,189,701 |
| Aug 7, 2025 | 974.68 | 982.00 | 970.96 | 977.45 | 977.45 | 0.92% | 1,893,275 |
| Aug 6, 2025 | 943.63 | 970.55 | 942.66 | 968.56 | 968.56 | 2.64% | 2,752,994 |
| Aug 5, 2025 | 951.33 | 951.50 | 935.68 | 943.63 | 943.63 | -1.23% | 2,462,286 |
| Aug 4, 2025 | 952.60 | 960.18 | 948.66 | 955.37 | 955.37 | 0.30% | 2,389,907 |
| Aug 1, 2025 | 939.50 | 956.72 | 939.50 | 952.52 | 952.52 | 1.37% | 2,934,464 |
| Jul 31, 2025 | 925.36 | 945.95 | 925.00 | 939.64 | 938.36 | 1.31% | 2,564,353 |
| Jul 30, 2025 | 935.00 | 937.75 | 925.14 | 927.51 | 926.25 | -0.76% | 1,699,609 |
| Jul 29, 2025 | 933.99 | 941.79 | 927.38 | 934.57 | 933.30 | 0.06% | 2,065,880 |
| Jul 28, 2025 | 935.50 | 940.24 | 930.89 | 933.99 | 932.72 | -0.16% | 2,006,292 |
| Jul 25, 2025 | 936.30 | 941.29 | 934.35 | 935.48 | 934.21 | 0.18% | 1,827,655 |
| Jul 24, 2025 | 941.33 | 942.90 | 933.49 | 933.80 | 932.53 | -0.79% | 2,057,072 |
| Jul 23, 2025 | 942.38 | 948.50 | 936.00 | 941.19 | 939.91 | -0.04% | 2,401,619 |
| Jul 22, 2025 | 948.80 | 957.70 | 941.25 | 941.61 | 940.33 | -0.63% | 1,799,905 |
| Jul 21, 2025 | 951.51 | 955.76 | 946.60 | 947.56 | 946.27 | -0.36% | 1,742,426 |
| Jul 18, 2025 | 959.95 | 960.26 | 949.65 | 950.95 | 949.65 | -0.31% | 2,115,538 |
| Jul 17, 2025 | 950.36 | 954.75 | 947.51 | 953.91 | 952.61 | 0.27% | 2,280,638 |
| Jul 16, 2025 | 967.99 | 969.59 | 950.13 | 951.37 | 950.07 | -1.69% | 2,950,277 |
| Jul 15, 2025 | 979.25 | 980.25 | 966.66 | 967.68 | 966.36 | -1.35% | 1,878,003 |
| Jul 14, 2025 | 971.10 | 981.49 | 969.62 | 980.91 | 979.57 | 1.09% | 1,679,303 |
| Jul 11, 2025 | 973.29 | 978.98 | 965.70 | 970.33 | 969.01 | 0.02% | 1,941,995 |
| Jul 10, 2025 | 987.00 | 988.00 | 969.07 | 970.17 | 968.85 | -1.21% | 2,903,765 |