$1,003.19+8.8% 1Y

What is the market doing?

Mixed

No clear lean: rangebound and insiders net selling (often routine).

3 neutral
TrendRangeboundderived · Oct 23, 2026

Choppy, but holding above its 200-day average. Overbought (RSI 82). Price is +4% vs its 200-day average.

Insider conviction−$3.8M (90 days to Oct 22, 2026)SEC EDGAR · Oct 22, 2026

Insiders were net sellers over the 90 days ending Oct 22, 2026; selling is often routine (taxes, diversification).

Short interest1.7% of sharesFINRA · Sep 30, 2026

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.

1-year returnmiddle of the market
vs 200-day avgmiddle of the market

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 +8.8% over the past year while the S&P 500 is +16%: 7.2 points behind the market.

+8.8%

1-year return · S&P 500 +16%

vs 200-day average
+3.8%

vs 200-day average · close to trend

RSI (14)
82

RSI (14) · overbought, bought harder than it has been sold

Below its 52-week high
8.3%

Below its 52-week high

Oct 15, 2024$784.63 – $1,094.32 · dashed line: 200-day averageOct 23, 2026
Details›
Last close2026-10-23
$1,003.19
1 monthS&P 500 −0.94%
+12%
1 yearS&P 500 +16%
+8.8%
5 yearsS&P 500 +86%
+135%
vs 50-day average$939.20
+6.8%
52-week high
$1,094.32
52-week low
$847.61
Annualised volatility
20%
Insider selling, net, 6 monthsForms 3/4/5 to 2026-10-22
$4.6M
Calendar-year price return
YearReturn
2026 (year to date)+17%
2025−5.4%
2024+40%
2023+49%
2022−19%
2021+52%
2020+33%
2019+46%
2018+11%
2017+22%
Average return by calendar month, 2016–2026
MonthYearsPositiveAverage
Jan108 of 10+3.2%
Feb106 of 10+1.5%
Mar105 of 10+1.3%
Apr108 of 10+2.4%
May107 of 10+0.89%
Jun106 of 10+1.3%
Jul118 of 11+3.9%
Aug116 of 11+2.2%
Sep114 of 11−1.3%
Oct115 of 11+1.6%
Nov1010 of 10+6.5%
Dec104 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.

Where the price stands

Its trend against the 50-day and 200-day averages, and the levels it keeps coming back to.

What it has returned

With dividends, year by year, month by month, and by calendar month on average.

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