Collegium Pharmaceutical (COLL) Options Chain
NASDAQ: COLLHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 69
- Share price
- $22.09
- Put/call ratio (OI)
- 2.98
- Put/call ratio (volume)
- 15.25
- Expected move
- ±$5.67
- Open interest (C / P)
- 121 / 361
COLL options summary
The COLL options chain for the December 18, 2026 expiration lists 7 call and 6 put contracts, with 69 days until expiration. Open interest stands at 121 calls and 361 puts, a put/call ratio of 2.98, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $22.50 strike is 59.1%, which implies the market expects a move of about ±$5.67 (25.7%) in Collegium Pharmaceutical stock by expiration.
The most open interest sits at the $30.00 call (71 contracts) and the $50.00 put (233 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
COLL options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 15.50 | 0.00 | 0.00 | 17.50 | — | — | — | |||||
| 4.40 | 1.30 | 5.50 | 20.00 | — | — | — | |||||
| 6.07 | 0.10 | 4.50 | 22.50 | 0.10 | 4.50 | 2.20 | |||||
| 2.51 | 0.00 | 4.10 | 25.00 | 1.80 | 6.00 | 1.72 | |||||
| 3.70 | 0.00 | 3.60 | 30.00 | 5.80 | 10.00 | 8.40 | |||||
| 0.18 | 0.00 | 3.40 | 35.00 | 0.00 | 0.00 | 8.82 | |||||
| 2.07 | 0.00 | 3.50 | 45.00 | 8.90 | 12.50 | 12.00 | |||||
| — | — | — | 50.00 | 13.00 | 17.00 | 16.50 | |||||
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 December 18, 2026 expiration, the COLL put/call ratio based on open interest is 2.98 (361 puts vs 121 calls), and 15.25 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 December 18, 2026 is about 59.1%, 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.