Collegium Pharmaceutical, Inc. options tape
These figures are updated after the US market closes, every trading day. For the live chain, go to CBOE's own page for COLL.
Updated after the US market close on 9 October 2026, with Collegium Pharmaceutical, Inc. at $21.27: open interest within 90 days was 540 call and 160 put contracts, a put/call ratio of 0.3; the day's volume was 0 calls and 0 puts. The most call open interest sits at the $30.00 strike (221 contracts) and the most put open interest at $30.00 (112). The at-the-money straddle for 16 October 2026, 4 days out, was priced at 28.9% of spot. For 20 November 2026, implied volatility was 104.0% at the put 5% below spot and 76.1% at the call 5% above, +27.9 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $30.00 | 221 |
| Puts | $30.00 | 112 |
The strike with the most open interest on each side, across expiries within 90 days.
Source
Official exchange quotes, updated after each US market close. Figures describe positioning; they are not a forecast.
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