Collegium Pharmaceutical (COLL) Options Chain
NASDAQ: COLLHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $22.09
- Put/call ratio (OI)
- 0.05
- Put/call ratio (volume)
- 0.00
- Expected move
- ±$4.95
- Open interest (C / P)
- 117 / 6
COLL options summary
The COLL options chain for the November 20, 2026 expiration lists 2 call and 4 put contracts, with 40 days until expiration. Open interest stands at 117 calls and 6 puts, a put/call ratio of 0.05, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $22.50 strike is 67.7%, which implies the market expects a move of about ±$4.95 (22.4%) in Collegium Pharmaceutical stock by expiration.
The most open interest sits at the $30.00 call (76 contracts) and the $17.50 put (2 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
COLL options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 17.50 | 0.00 | 0.45 | 0.30 | |||||
| — | — | — | 22.50 | 0.05 | 4.40 | 2.20 | |||||
| 0.75 | 0.00 | 3.90 | 25.00 | 1.45 | 5.70 | 3.30 | |||||
| 0.35 | 0.00 | 3.50 | 30.00 | 5.70 | 9.90 | 7.83 | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the COLL put/call ratio?
For the November 20, 2026 expiration, the COLL put/call ratio based on open interest is 0.05 (6 puts vs 117 calls), and 0.00 based on today's volume. A ratio above 1 means more puts than calls.
What is COLL's implied volatility?
At-the-money implied volatility for COLL options expiring November 20, 2026 is about 67.7%, an annualized estimate of how much the market expects Collegium Pharmaceutical stock to move.
How many COLL option expiration dates are there?
COLL has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 2027.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.