SNDKSandisk

$1,241.56+761% 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. Oversold (RSI 18). Price is +2% vs its 200-day average.

Insider conviction−$121.2M (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 interest3.3% of sharesFINRA · Sep 30, 2026

Moderately shorted, settled Sep 30, 2026, a few days of normal trading to cover. Down 14% since the previous count, down from 4.9% of shares outstanding three months ago.

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 returntop 1% 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 SNDK is trading

Sandisk is +761% over the past year while the S&P 500 is +16%: 745 points ahead of the market.

+761%

1-year return · S&P 500 +16%

vs 200-day average
+2.0%

vs 200-day average · close to trend

RSI (14)
18

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

Below its 52-week high
47%

Below its 52-week high

Feb 13, 2025$29.62 – $2,322.12 · dashed line: 200-day averageOct 23, 2026
Details›
Last close2026-10-23
$1,241.56
1 monthS&P 500 −0.94%
−29%
1 yearS&P 500 +16%
+761%
vs 50-day average$1,593.51
−22%
52-week high
$2,322.12
52-week low
$140.16
Annualised volatility
103%
Insider selling, net, 6 monthsForms 3/4/5 to 2026-10-22
$7.9M

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.