Black Diamond Therapeutics (BDTX) Options Chain
NASDAQ: BDTXHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Dec 18, 2026
- Days to expiration
- 68
- Share price
- $1.83
- Put/call ratio (OI)
- 0.14
- Put/call ratio (volume)
- 0.05
- ATM implied volatility
- 116.2%
- Expected move
- ±$0.9179
- Open interest (C / P)
- 1.34K / 183
BDTX options summary
The BDTX options chain for the December 18, 2026 expiration lists 7 call and 5 put contracts, with 68 days until expiration. Open interest stands at 1,341 calls and 183 puts, a put/call ratio of 0.14, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $2.00 strike is 116.2%, which implies the market expects a move of about ±$0.9179 (50.2%) in Black Diamond Therapeutics stock by expiration.
The most open interest sits at the $2.50 call (483 contracts) and the $2.50 put (129 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
BDTX options chain · December 18, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 1.60 | 1.20 | 2.20 | 0.50 | — | — | — | |||||
| 0.95 | 0.75 | 1.75 | 1.00 | — | — | — | |||||
| 0.43 | 0.30 | 0.70 | 1.50 | 0.00 | 1.00 | 0.20 | |||||
| 0.28 | 0.00 | 0.75 | 2.00 | 0.10 | 0.70 | 0.44 | |||||
| 0.10 | 0.00 | 0.25 | 2.50 | 0.50 | 1.40 | 1.00 | |||||
| 0.05 | 0.00 | 0.50 | 5.00 | 2.60 | 3.60 | 2.60 | |||||
| 0.03 | 0.00 | 1.00 | 7.50 | 5.20 | 6.20 | 5.54 | |||||
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 BDTX put/call ratio?
For the December 18, 2026 expiration, the BDTX put/call ratio based on open interest is 0.14 (183 puts vs 1,341 calls), and 0.05 based on today's volume. A ratio above 1 means more puts than calls.
What is BDTX's implied volatility?
At-the-money implied volatility for BDTX options expiring December 18, 2026 is about 116.2%, an annualized estimate of how much the market expects Black Diamond Therapeutics stock to move.
How many BDTX option expiration dates are there?
BDTX has 7 listed expiration dates, from Oct 16, 2026 to Dec 17, 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.