Orchestra BioMed (OBIO) Options Chain
NASDAQ: OBIOHealth Care Medicinal Chemicals and Botanical Products USD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $5.95
- Put/call ratio (OI)
- 0.19
- Put/call ratio (volume)
- 0.01
- Expected move
- ±$1.53
- Open interest (C / P)
- 1.24K / 238
OBIO options summary
The OBIO options chain for the November 20, 2026 expiration lists 3 call and 1 put contracts, with 40 days until expiration. Open interest stands at 1,237 calls and 238 puts, a put/call ratio of 0.19, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $5.00 strike is 77.5%, which implies the market expects a move of about ±$1.53 (25.7%) in Orchestra BioMed stock by expiration.
The most open interest sits at the $5.00 call (730 contracts) and the $5.00 put (238 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
OBIO options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 3.50 | 2.70 | 3.90 | 2.50 | — | — | — | |||||
| 0.90 | 0.65 | 1.60 | 5.00 | 0.05 | 0.45 | 0.25 | |||||
| 0.10 | 0.05 | 0.15 | 7.50 | — | — | — | |||||
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 OBIO put/call ratio?
For the November 20, 2026 expiration, the OBIO put/call ratio based on open interest is 0.19 (238 puts vs 1,237 calls), and 0.01 based on today's volume. A ratio above 1 means more puts than calls.
What is OBIO's implied volatility?
At-the-money implied volatility for OBIO options expiring November 20, 2026 is about 77.5%, an annualized estimate of how much the market expects Orchestra BioMed stock to move.
How many OBIO option expiration dates are there?
OBIO has 4 listed expiration dates, from Oct 16, 2026 to May 21, 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.