No.4
Disclosure
2026/10/17 05:52
臨時報告（重要事象）（8-K）
役員の異動（就任・退任・報酬）（Item 5.02）／財務諸表および添付資料（Item 9.01）
役員の異動（就任・退任・報酬）（Item 5.02）／財務諸表および添付資料（Item 9.01）
COST CostcoS&P 500 member / Consumer Staples
4 posts
Costco (COST) at a glance
Prices are from Yahoo! Finance and may be delayed. Always check the latest price before trading.
Costco (COST) Stock Price HistoryAt an all-time high
Costco closed at $998.31 on Oct 21, 2026, +11.1% over 1 month, +6.5% over 1 year.
Price5-day MA25-day MAS&P 500Disclosures
1-Month High$998.31Oct 21
1-Month Low$896.48Sep 24
1-Week Change+1.7%vs Oct 14
1-Month Change+11.1%vs Sep 21
If you had invested $1,000 1 month ago, it would be worth $1,111 today (+11.1%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved −0.7%, while this stock moved +11.1%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Oct 21 (Wed) | $998.31 | +3.70 | +0.37% |
| Oct 20 (Tue) | $994.61 | −0.92 | −0.09% |
| Oct 19 (Mon) | $995.53 | +6.42 | +0.65% |
| Oct 16 (Fri) | $989.11 | +11.10 | +1.13% |
| Oct 15 (Thu) | $978.01 | −3.99 | −0.41% |
| Oct 14 (Wed) | $982.00 | +27.37 | +2.87% |
| Oct 13 (Tue) | $954.63 | −4.81 | −0.50% |
| Oct 12 (Mon) | $959.44 | +12.52 | +1.32% |
| Oct 9 (Fri) | $946.92 | −1.00 | −0.11% |
| Oct 8 (Thu) | $947.92 | +5.67 | +0.60% |
Price5-day MA25-day MAS&P 500Disclosures
3-Month High$998.31Oct 21
3-Month Low$893.74Sep 16
1-Month Change+11.1%vs Sep 21
3-Month Change+7.4%vs Jul 21
If you had invested $1,000 3 months ago, it would be worth $1,074 today (+7.4%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +2.7%, while this stock moved +7.4%.
Last 10 Trading Days
| Date | Close | Change | % Change |
|---|---|---|---|
| Oct 21 (Wed) | $998.31 | +3.70 | +0.37% |
| Oct 20 (Tue) | $994.61 | −0.92 | −0.09% |
| Oct 19 (Mon) | $995.53 | +6.42 | +0.65% |
| Oct 16 (Fri) | $989.11 | +11.10 | +1.13% |
| Oct 15 (Thu) | $978.01 | −3.99 | −0.41% |
| Oct 14 (Wed) | $982.00 | +27.37 | +2.87% |
| Oct 13 (Tue) | $954.63 | −4.81 | −0.50% |
| Oct 12 (Mon) | $959.44 | +12.52 | +1.32% |
| Oct 9 (Fri) | $946.92 | −1.00 | −0.11% |
| Oct 8 (Thu) | $947.92 | +5.67 | +0.60% |
Price25-day MA75-day MAS&P 500Disclosures
6-Month High$1,094.32May 19
6-Month Low$893.74Sep 16
3-Month Change+7.4%vs Jul 21
6-Month Change−0.7%vs Apr 21
If you had invested $1,000 6 months ago, it would be worth $993 today (−0.7%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +9.2%, while this stock moved −0.7%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Oct 2026 | $998.31 | +9.7% |
| Sep 2026 | $910.34 | −3.6% |
| Aug 2026 | $943.89 | −0.8% |
| Jul 2026 | $951.89 | +1.8% |
| Jun 2026 | $935.47 | −2.2% |
| May 2026 | $956.32 | −5.7% |
| Apr 2026 | $1,014.53 | +1.8% |
Price25-day MA75-day MAS&P 500Disclosures
52-Week High$1,094.32May 19
52-Week Low$850.00Dec 22
Year to Date+15.8%vs Dec 31
From 52-Week High−8.8%May 19
If you had invested $1,000 1 year ago, it would be worth $1,065 today (+6.5%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +14.5%, while this stock moved +6.5%.
Monthly Closes
| Month | Month-End Close | Monthly % |
|---|---|---|
| Oct 2026 | $998.31 | +9.7% |
| Sep 2026 | $910.34 | −3.6% |
| Aug 2026 | $943.89 | −0.8% |
| Jul 2026 | $951.89 | +1.8% |
| Jun 2026 | $935.47 | −2.2% |
| May 2026 | $956.32 | −5.7% |
| Apr 2026 | $1,014.53 | +1.8% |
| Mar 2026 | $996.43 | −1.4% |
| Feb 2026 | $1,010.79 | +7.5% |
| Jan 2026 | $940.25 | +9.0% |
| Dec 2025 | $862.34 | −5.6% |
| Nov 2025 | $913.59 | +0.2% |
| Oct 2025 | $911.45 | ― |
Price13-week MA26-week MAS&P 500
3-Year High$1,071.85Feb 10, 2025
3-Year Low$543.03Oct 23, 2023
Annualized Return+22.5%
Max Drawdown−20.3%
If you had invested $1,000 3 years ago, it would be worth $1,838 today (+83.8%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +87.3%, while this stock moved +83.8%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $998.31 | +15.8% |
| 2025 | $862.34 | ― |
Price13-week MA26-week MAS&P 500
5-Year High$1,071.85Feb 10, 2025
5-Year Low$416.43May 16, 2022
Annualized Return+15.3%
Max Drawdown−30.6%
If you had invested $1,000 5 years ago, it would be worth $2,031 today (+103.1%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +67.5%, while this stock moved +103.1%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $998.31 | +15.8% |
| 2025 | $862.34 | ― |
Price1-year MA2-year MAS&P 500
All-Time High$998.31Oct 2026
All-Time Low$6.44Oct 1994
Total Change+11,558.4%vs Jul 1986
Annualized Return+12.5%
If you had invested $1,000 in Jul 1986, it would be worth $116,584 today (+11,558.4%).Price change only; dividends and fees are not included.
Over the same period the S&P 500 moved +2,949.3%, while this stock moved +11,558.4%.
Yearly Closes
| Year | Year-End Close | Yearly % |
|---|---|---|
| 2026 (YTD) | $998.31 | +15.8% |
| 2025 | $862.34 | −5.9% |
| 2024 | $916.27 | +38.8% |
| 2023 | $660.08 | +44.6% |
| 2022 | $456.50 | −19.6% |
| 2021 | $567.70 | +50.7% |
| 2020 | $376.78 | +28.2% |
| 2019 | $293.92 | +44.3% |
| 2018 | $203.71 | +9.5% |
| 2017 | $186.12 | +16.2% |
| 2016 | $160.11 | −0.9% |
| 2015 | $161.50 | +13.9% |
| 2014 | $141.75 | +19.1% |
| 2013 | $119.02 | +20.6% |
| 2012 | $98.73 | +18.5% |
| 2011 | $83.32 | +15.4% |
| 2010 | $72.21 | +22.0% |
| 2009 | $59.17 | +12.7% |
| 2008 | $52.50 | −24.7% |
| 2007 | $69.76 | +31.9% |
| 2006 | $52.87 | +6.9% |
| 2005 | $49.47 | +2.2% |
| 2004 | $48.41 | +30.2% |
| 2003 | $37.18 | +32.5% |
| 2002 | $28.06 | −36.8% |
| 2001 | $44.38 | +11.1% |
| 2000 | $39.94 | −12.5% |
| 1999 | $45.63 | +26.4% |
| 1998 | $36.09 | +61.8% |
| 1997 | $22.31 | +77.6% |
| 1996 | $12.56 | +64.8% |
| 1995 | $7.63 | +18.4% |
| 1994 | $6.44 | −33.1% |
| 1993 | $9.63 | +6.2% |
| 1992 | $9.06 | −27.9% |
| 1991 | $12.56 | +28.0% |
| 1990 | $9.81 | −15.1% |
| 1989 | $11.56 | +23.3% |
| 1988 | $9.38 | +14.5% |
| 1987 | $8.19 | +0.0% |
| 1986 | $8.19 | ― |
Daily, weekly and monthly closes (Yahoo! Finance, split-adjusted, dividends excluded). "All" covers the range Yahoo provides (from Jul 1986). Please check the latest prices before trading.
Costco in Kabutaro's Daily Blog
- Sep 25, 2026 US Stock of the Day: On September 25, 2026, the most talked-about US stock online is Costco Wholesale<COST>.
Days when Kabutaro's daily blog featured this stock.
Posts
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No.3
Disclosure
2026/10/15 05:16
臨時報告（重要事象）（8-K）
その他の重要事象（Item 8.01）／財務諸表および添付資料（Item 9.01）
その他の重要事象（Item 8.01）／財務諸表および添付資料（Item 9.01）
Delete
No.2
Disclosure
2026/10/07 10:13
年次報告書（10-K）
Delete
No.1
Disclosure
2026/09/25 05:17
臨時報告（重要事象）（8-K）
決算発表（経営成績・財政状態）（Item 2.02）／財務諸表および添付資料（Item 9.01）
決算発表（経営成績・財政状態）（Item 2.02）／財務諸表および添付資料（Item 9.01）