Corbus Pharmaceuticals (CRBP) Options Chain
NASDAQ: CRBPHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 68
- Share price
- $5.38
- Put/call ratio (OI)
- 0.39
- Put/call ratio (volume)
- 0.02
- ATM implied volatility
- 147.0%
- Expected move
- ±$3.41
- Open interest (C / P)
- 26.00K / 10.26K
CRBP options summary
The CRBP options chain for the December 18, 2026 expiration lists 9 call and 7 put contracts, with 68 days until expiration. Open interest stands at 25,998 calls and 10,260 puts, a put/call ratio of 0.39, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $5.00 strike is 147.0%, which implies the market expects a move of about ±$3.41 (63.4%) in Corbus Pharmaceuticals stock by expiration.
The most open interest sits at the $20.00 call (7.95K contracts) and the $7.50 put (10.16K contracts).
Summary generated from market data by MetaCap's automated system. Methodology
CRBP options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 3.40 | 0.50 | 4.90 | 2.50 | 0.00 | 0.00 | 0.06 | |||||
| 2.30 | 0.00 | 4.00 | 5.00 | 0.20 | 1.00 | 0.45 | |||||
| 0.20 | 0.00 | 1.00 | 7.50 | 1.65 | 3.80 | 2.53 | |||||
| 0.15 | 0.00 | 0.15 | 10.00 | 2.50 | 7.00 | 2.75 | |||||
| 0.01 | 0.00 | 0.35 | 12.50 | 0.00 | 0.00 | 5.14 | |||||
| 0.01 | 0.00 | 0.05 | 15.00 | 6.10 | 9.90 | 6.00 | |||||
| 0.05 | 0.00 | 0.35 | 17.50 | — | — | — | |||||
| 0.04 | 0.00 | 0.05 | 20.00 | 0.00 | 0.00 | 12.80 | |||||
| 0.04 | 0.00 | 0.05 | 22.50 | — | — | — | |||||
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 CRBP put/call ratio?
For the December 18, 2026 expiration, the CRBP put/call ratio based on open interest is 0.39 (10,260 puts vs 25,998 calls), and 0.02 based on today's volume. A ratio above 1 means more puts than calls.
What is CRBP's implied volatility?
At-the-money implied volatility for CRBP options expiring December 18, 2026 is about 147.0%, an annualized estimate of how much the market expects Corbus Pharmaceuticals stock to move.
How many CRBP option expiration dates are there?
CRBP 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.