PDFSPDF Solutions, Inc.

$39.29+41% 1Y

What is the market doing?

Mixed

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

3 neutral
TrendRangeboundderived · Oct 23, 2026

Rangebound, no clear trend. Oversold (RSI 23). Price is −11% vs its 200-day average.

Insider conviction−$228K (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 interest8.4% of sharesFINRA · Sep 30, 2026

Heavily shorted, settled Sep 30, 2026, about a week of normal trading to cover. Up 9.0% since the previous count, up from 5.1% 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 returnbetter than 78% of the market
vs 200-day avgbehind 72% of the market

Where this answer is blind. Insider selling is often routine (taxes, diversification); only cluster buying is a strong tell.

How PDFS is trading

PDF Solutions, Inc. is +41% over the past year while the S&P 500 is +16%: 25 points ahead of the market.

+41%

1-year return · S&P 500 +16%

vs 200-day average
−11%

vs 200-day average · a clear downtrend

RSI (14)
23

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

Below its 52-week high
45%

Below its 52-week high

Oct 15, 2024$16.41 – $70.80 · dashed line: 200-day averageOct 23, 2026
Details›
Last close2026-10-23
$39.29
1 monthS&P 500 −0.94%
−18%
1 yearS&P 500 +16%
+41%
5 yearsS&P 500 +86%
+69%
vs 50-day average$46.73
−16%
52-week high
$70.80
52-week low
$23.97
Annualised volatility
61%
Insider selling, net, 6 monthsForms 3/4/5 to 2026-10-22
$228K
Calendar-year price return
YearReturn
2026 (year to date)+38%
2025+5.4%
2024−16%
2023+13%
2022−10%
2021+47%
2020+28%
2019+100%
2018−46%
2017−30%
Average return by calendar month, 2016–2026
MonthYearsPositiveAverage
Jan104 of 10+1.1%
Feb104 of 10−1.7%
Mar105 of 10−1.3%
Apr103 of 10+0.56%
May106 of 10+4.4%
Jun108 of 10+8.9%
Jul117 of 11+2.2%
Aug112 of 11−6.4%
Sep118 of 11+3.8%
Oct115 of 11−2.3%
Nov108 of 10+15%
Dec104 of 10−2.7%

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.

On our screens:Stocks with no debt