HALOHalozyme Therapeutics, Inc.

$125.59+88% 1Y
Latest close: a new 52-week highOct 23, 2026what changed →

What is the market doing?

Mixed

No clear lean: in an uptrend, but heavily shorted (+13% of shares).

1 good, 1 to watch, 1 neutral
TrendUptrendderived · Oct 23, 2026

In an uptrend, above its rising 50- and 200-day averages. Overbought (RSI 88). Price is +54% vs its 200-day average.

Insider conviction−$22.1M (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 interest13% of sharesFINRA · Sep 30, 2026

Heavily shorted, settled Sep 30, 2026, about a week of normal trading to cover. Up 0.9% since the previous count, up from 11.7% 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 7% of the market
vs 200-day avgtop 2% of the market

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

How HALO is trading

Halozyme Therapeutics, Inc. is +88% over the past year while the S&P 500 is +16%: 72 points ahead of the market.

+88%

1-year return · S&P 500 +16%

vs 200-day average
+54%

vs 200-day average · a clear uptrend

RSI (14)
88

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

Below its 52-week high
0.00%

Below its 52-week high

Oct 15, 2024$42.57 – $125.59 · dashed line: 200-day averageOct 23, 2026
Details›
Last close2026-10-23
$125.59
1 monthS&P 500 −0.94%
+9.0%
1 yearS&P 500 +16%
+88%
5 yearsS&P 500 +86%
+237%
vs 50-day average$111.01
+13%
52-week high
$125.59
52-week low
$61.63
Annualised volatility
43%
Calendar-year price return
YearReturn
2026 (year to date)+87%
2025+41%
2024+29%
2023−35%
2022+42%
2021−5.9%
2020+141%
2019+21%
2018−28%
2017+105%
Average return by calendar month, 2016–2026
MonthYearsPositiveAverage
Jan106 of 10+3.2%
Feb107 of 10+3.5%
Mar104 of 10−2.7%
Apr105 of 10+2.3%
May105 of 10−0.85%
Jun107 of 10+7.3%
Jul118 of 11+6.4%
Aug117 of 11+5.1%
Sep114 of 11+1.6%
Oct114 of 11−3.8%
Nov108 of 10+14%
Dec103 of 10−0.77%

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.