Summit Therapeutics (SMMT) Options Chain

NASDAQ: SMMTHealth CareBiotechnology: Pharmaceutical PreparationsUSD

17.59+0.42 (+2.45%)

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

Expiration date

Expiration: Mar 19, 2027
Days to expiration: 159
Share price: $17.59
Put/call ratio (OI): 0.22
Put/call ratio (volume): 1.11
ATM implied volatility: 107.8%
Expected move: ±$12.52
Open interest (C / P): 2.08K / 462

SMMT options summary

The SMMT options chain for the March 19, 2027 expiration lists 18 call and 12 put contracts, with 159 days until expiration. Open interest stands at 2,083 calls and 462 puts, a put/call ratio of 0.22, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $18.00 strike is 107.8%, which implies the market expects a move of about ±$12.52 (71.2%) in Summit Therapeutics stock by expiration.

The most open interest sits at the $15.00 call (1.10K contracts) and the $15.00 put (107 contracts).

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

SMMT options chain · March 19, 2027

SMMT 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
6	2	—	16.50	14.50	18.40	1.00	—	—	—	—	—	—
21	1	76.6%	10.90	10.70	14.50	5.00	—	—	—	—	—	—
—	—	—	—	—	—	7.00	0.00	2.45	0.92	165.0%	—	20
1	1	105.4%	10.80	8.10	12.10	8.00	—	—	—	—	—	—
1	1	100.6%	9.15	7.30	11.20	9.00	—	—	—	—	—	—
—	—	—	—	—	—	10.00	0.30	2.35	0.97	116.8%	41	43
—	—	—	—	—	—	11.00	0.50	1.90	1.87	98.2%	—	1
3	1	115.6%	7.20	6.30	9.10	12.00	1.50	2.95	1.85	119.3%	30	45
51	1	110.5%	7.30	5.50	8.50	13.00	1.45	2.50	2.25	97.8%	5	72
104	10	117.3%	7.11	5.50	8.00	14.00	2.30	2.80	3.70	100.8%	—	2
1,098	1	114.7%	5.70	5.20	7.20	15.00	2.70	3.40	3.00	100.3%	7	107
31	1	94.4%	6.10	4.20	5.70	16.00	3.30	4.30	3.60	105.1%	1	52
151	2	104.1%	4.50	4.20	5.70	17.00	3.70	4.30	4.10	95.8%	52	59
SMMT $17.59
93	78	107.9%	4.50	3.80	5.70	18.00	4.20	6.10	4.90	107.7%	19	57
22	1	89.9%	4.10	2.60	4.60	19.00	—	—	—	—	—	—
7	5	85.0%	3.90	2.00	4.10	20.00	—	—	—	—	—	—
2	1	88.0%	2.95	1.70	4.10	21.00	5.80	7.90	7.40	99.7%	—	1
48	10	91.0%	3.50	1.45	4.10	22.00	—	—	—	—	—	—
373	1	88.2%	2.20	1.00	3.00	25.00	—	—	—	—	—	—
48	20	92.3%	3.05	1.00	3.00	26.00	—	—	—	—	—	—
23	3	87.7%	1.35	0.45	2.05	30.00	—	—	—	—	—	—
—	—	—	—	—	—	33.00	15.20	18.60	14.90	102.4%	—	3

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 SMMT put/call ratio?

For the March 19, 2027 expiration, the SMMT put/call ratio based on open interest is 0.22 (462 puts vs 2,083 calls), and 1.11 based on today's volume. A ratio above 1 means more puts than calls.

What is SMMT's implied volatility?

At-the-money implied volatility for SMMT options expiring March 19, 2027 is about 107.8%, an annualized estimate of how much the market expects Summit Therapeutics stock to move.

How many SMMT option expiration dates are there?

SMMT has 11 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.