SUPNSupernus Pharmaceuticals, Inc.

$40.68-18% 1Y

What is the market doing?

Mixed

No clear lean: nothing decisive, though in a downtrend (−15% vs 200-day).

1 to watch, 1 neutral, 1 without data
TrendDowntrendderived · Oct 23, 2026

In a downtrend, below its 50- and 200-day averages. Price is −15% vs its 200-day average.

Short interest8.6% of sharesFINRA · Sep 30, 2026

Heavily shorted, settled Sep 30, 2026, more than a week of normal trading to cover, a crowded exit.

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 returnbehind 80% of the market
vs 200-day avgbehind 78% of the market

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

How SUPN is trading

Supernus Pharmaceuticals, Inc. is −18% over the past year while the S&P 500 is +16%: 34 points behind the market.

−18%

1-year return · S&P 500 +16%

vs 200-day average
−15%

vs 200-day average · a clear downtrend

RSI (14)
42

RSI (14) · neutral

Below its 52-week high
29%

Below its 52-week high

Oct 15, 2024$30.13 – $57.00 · dashed line: 200-day averageOct 23, 2026
Details›
Last close2026-10-23
$40.68
1 monthS&P 500 −0.94%
−6.1%
1 yearS&P 500 +16%
−18%
5 yearsS&P 500 +86%
+43%
vs 50-day average$43.27
−6.0%
52-week high
$57.00
52-week low
$37.85
Annualised volatility
36%
Calendar-year price return
YearReturn
2026 (year to date)−18%
2025+37%
2024+25%
2023−19%
2022+22%
2021+16%
2020+6.1%
2019−29%
2018−17%
2017+58%
Average return by calendar month, 2016–2026
MonthYearsPositiveAverage
Jan106 of 10+5.3%
Feb104 of 10−2.8%
Mar105 of 10+3.2%
Apr106 of 10+2.6%
May103 of 10−0.79%
Jun106 of 10+2.6%
Jul117 of 11+0.79%
Aug116 of 11+2.6%
Sep114 of 11−1.1%
Oct116 of 11−1.2%
Nov106 of 10+1.1%
Dec106 of 10+2.1%

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.