COSTCostco
What is the market doing?
No clear lean: rangebound and insiders net selling (often routine).
Rangebound, no clear trend. Overbought (RSI 74). Price is −1% vs its 200-day average.
Insiders were net sellers over the 90 days ending Oct 9, 2026; selling is often routine (taxes, diversification).
Lightly shorted, settled Sep 30, 2026, a few days of normal trading to cover. Level with the previous count, unchanged over three months.
Against the whole market›
Percentile against every name Ryufin tracks. Higher is better; the tick marks the middle of the market. Context, not one of the checks above.
Where this answer is blind. Insider selling is often routine (taxes, diversification); only cluster buying is a strong tell.
How COST is trading
Costco is −0.35% over the past year while the S&P 500 is +18%: 19 points behind the market.
1-year return · S&P 500 +18%
- vs 200-day average
- −1.3%
vs 200-day average · below trend, but not far
- RSI (14)
- 74
RSI (14) · overbought, bought harder than it has been sold
- Below its 52-week high
- 14%
Below its 52-week high
Details›
- Last close2026-10-09
- $945.02
- 1 monthS&P 500 +2.7%
- +4.7%
- 1 yearS&P 500 +18%
- −0.35%
- 5 yearsS&P 500 +88%
- +117%
- vs 50-day average$931.96
- +1.4%
- 52-week high
- $1,094.32
- 52-week low
- $847.61
- Annualised volatility
- 21%
- Insider buying, net, 6 monthsForms 3/4/5 to 2026-10-09
- −$3.6M
| Year | Return |
|---|---|
| 2026 (year to date) | +9.9% |
| 2025 | −5.4% |
| 2024 | +40% |
| 2023 | +49% |
| 2022 | −19% |
| 2021 | +52% |
| 2020 | +33% |
| 2019 | +46% |
| 2018 | +11% |
| 2017 | +22% |
| Month | Years | Positive | Average |
|---|---|---|---|
| Jan | 10 | 8 of 10 | +3.2% |
| Feb | 10 | 6 of 10 | +1.5% |
| Mar | 10 | 5 of 10 | +1.3% |
| Apr | 10 | 8 of 10 | +2.4% |
| May | 10 | 7 of 10 | +0.89% |
| Jun | 10 | 7 of 10 | +1.6% |
| Jul | 11 | 8 of 11 | +3.7% |
| Aug | 11 | 6 of 11 | +2.2% |
| Sep | 11 | 4 of 11 | −1.3% |
| Oct | 11 | 5 of 11 | +1.0% |
| Nov | 10 | 10 of 10 | +6.5% |
| Dec | 10 | 4 of 10 | −1.5% |
End-of-day closes from IEX; the S&P 500 comparison uses SPY over the same window. Prices are a reference point, not a basis for trading decisions.
Consumer Defensive
Ranks #49 of 130 by RyuScore