COLLCollegium Pharmaceutical, Inc.

$23.38
Latest close: a new 52-week lowSep 8, 2026what changed →

What is the market doing?

What the tape says about COLL

Collegium Pharmaceutical, Inc. is −39% over the past year while the S&P 500 is +20%: 59 points behind the market.

−39%

1-year return · S&P 500 +20%

vs 200-day average
−39%

vs 200-day average · a clear downtrend

RSI (14)
18

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

Below its 52-week high
53%

Below its 52-week high

2024-08-15$23.38 – $49.84 · dashed line: 200-day average2026-09-08
Details
Last close2026-09-08
$23.38
1 monthS&P 500 −0.30%
−20%
1 yearS&P 500 +20%
−39%
5 yearsS&P 500 +85%
+25%
vs 50-day average$31.35
−25%
52-week high
$49.84
52-week low
$23.38
Annualised volatility
42%
Insider buying, net, 6 monthsForms 3/4/5 to 2026-06-30
−$629K
Calendar-year price return
YearReturn
2026 (year to date)−50%
2025+62%
2024−6.9%
2023+33%
2022+24%
2021−6.7%
2020−2.7%
2019+20%
2018−7.0%
2017+19%
Average return by calendar month, 2016–2026
MonthYearsPositiveAverage
Jan106 of 10+8.4%
Feb105 of 10+0.12%
Mar105 of 10−7.9%
Apr102 of 10−3.4%
May103 of 10−3.5%
Jun106 of 10+6.3%
Jul116 of 11−1.4%
Aug115 of 11−4.2%
Sep114 of 11+9.0%
Oct104 of 10−2.5%
Nov108 of 10+23%
Dec105 of 10+1.9%

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.