Alpha Tau Medical (DRTS) Options Chain

NASDAQ: DRTSHealth CareMedical/Dental InstrumentsUSD

14.41+0.41 (+2.93%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Feb 19, 2027
Days to expiration: 131
Share price: $14.41
Put/call ratio (OI): 0.17
Put/call ratio (volume): 1.62
ATM implied volatility: 59.5%
Expected move: ±$5.13
Open interest (C / P): 8.32K / 1.38K

DRTS options summary

The DRTS options chain for the February 19, 2027 expiration lists 10 call and 9 put contracts, with 131 days until expiration. Open interest stands at 8,323 calls and 1,378 puts, a put/call ratio of 0.17, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $15.00 strike is 59.5%, which implies the market expects a move of about ±$5.13 (35.6%) in Alpha Tau Medical stock by expiration.

The most open interest sits at the $12.50 call (3.78K contracts) and the $20.00 put (1.10K contracts).

Summary generated from market data by MetaCap's automated system. Methodology

DRTS options chain · February 19, 2027

DRTS calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
18	1	432.8%	12.41	10.40	13.40	2.50	0.00	0.75	0.03	235.9%	—	2
25	1	112.5%	10.20	8.40	10.70	5.00	0.00	0.00	0.23	50.0%	10	0
89	1	66.8%	7.22	6.00	8.00	7.50	0.05	0.75	0.30	97.8%	9	14
249	39	62.4%	4.25	4.60	5.00	10.00	0.00	1.05	0.44	69.7%	7	8
3,780	4	57.3%	3.40	2.70	3.20	12.50	1.10	1.80	1.20	71.3%	1	55
DRTS $14.41
827	4	60.1%	1.65	1.50	2.15	15.00	1.80	2.95	2.30	58.9%	1	71
558	10	65.9%	1.25	1.00	1.50	17.50	3.60	4.90	4.15	63.1%	18	125
613	10	66.4%	0.80	0.50	1.05	20.00	5.80	7.10	5.80	69.3%	100	1,102
1,474	10	74.8%	0.41	0.40	0.95	22.50	—	—	—	—	—	—
690	10	78.4%	0.40	0.35	0.70	25.00	10.00	11.70	9.90	64.8%	—	1

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 February 19, 2027 expiration, the DRTS put/call ratio based on open interest is 0.17 (1,378 puts vs 8,323 calls), and 1.62 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 February 19, 2027 is about 59.5%, 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.