Alpha Tau Medical (DRTS) Options Chain
NASDAQ: DRTSHealth CareMedical/Dental InstrumentsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 6
- Share price
- $14.41
- Put/call ratio (OI)
- 0.36
- Put/call ratio (volume)
- 3.02
- Expected move
- ±$1.56
- Open interest (C / P)
- 894 / 318
DRTS options summary
The DRTS options chain for the October 16, 2026 expiration lists 7 call and 5 put contracts, with 6 days until expiration. Open interest stands at 894 calls and 318 puts, a put/call ratio of 0.36, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $15.00 strike is 84.3%, which implies the market expects a move of about ±$1.56 (10.8%) in Alpha Tau Medical stock by expiration.
The most open interest sits at the $20.00 call (340 contracts) and the $12.50 put (120 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
DRTS options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 5.06 | 3.50 | 5.50 | 10.00 | 0.00 | 0.75 | 0.10 | |||||
| 2.44 | 1.25 | 3.00 | 12.50 | 0.00 | 0.50 | 0.05 | |||||
| 0.25 | 0.00 | 0.35 | 15.00 | 0.70 | 1.50 | 1.45 | |||||
| 0.05 | 0.00 | 0.25 | 17.50 | 2.40 | 4.00 | 3.00 | |||||
| 0.05 | 0.00 | 0.75 | 20.00 | 5.20 | 6.70 | 5.10 | |||||
| 0.15 | 0.00 | 0.75 | 22.50 | — | — | — | |||||
| 0.10 | 0.00 | 0.75 | 25.00 | — | — | — | |||||
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 DRTS put/call ratio?
For the October 16, 2026 expiration, the DRTS put/call ratio based on open interest is 0.36 (318 puts vs 894 calls), and 3.02 based on today's volume. A ratio above 1 means more puts than calls.
What is DRTS's implied volatility?
At-the-money implied volatility for DRTS options expiring October 16, 2026 is about 84.3%, an annualized estimate of how much the market expects Alpha Tau Medical stock to move.
How many DRTS option expiration dates are there?
DRTS has 7 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.
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.