Sarepta Therapeutics (SRPT) Options Chain

NASDAQ: SRPTHealth CareBiotechnology: Pharmaceutical PreparationsUSD

17.85-0.36 (-1.98%)

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

Expiration date

Expiration: Jan 21, 2028
Days to expiration: 467
Share price: $17.85
Put/call ratio (OI): 1.59
Put/call ratio (volume): 20.96
ATM implied volatility: 77.6%
Expected move: ±$15.67
Open interest (C / P): 2.73K / 4.33K

SRPT options summary

The SRPT options chain for the January 21, 2028 expiration lists 16 call and 15 put contracts, with 467 days until expiration. Open interest stands at 2,726 calls and 4,335 puts, a put/call ratio of 1.59, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $17.50 strike is 77.6%, which implies the market expects a move of about ±$15.67 (87.8%) in Sarepta Therapeutics stock by expiration.

The most open interest sits at the $30.00 call (757 contracts) and the $15.00 put (1.60K contracts).

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

SRPT options chain · January 21, 2028

SRPT 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
0	1	—	15.50	0.00	0.00	2.50	0.00	0.30	0.31	106.3%	20	25
45	1	124.7%	12.75	12.50	15.50	5.00	0.05	1.55	0.40	108.5%	4	307
23	1	103.8%	16.00	8.50	12.00	7.50	0.40	1.85	0.63	87.7%	4	23
45	10	89.8%	9.50	8.90	11.30	10.00	1.00	1.85	1.40	71.2%	1	126
6	6	174.2%	7.20	12.10	14.00	12.50	1.95	4.10	2.40	80.5%	750	791
468	2	85.2%	11.40	6.20	9.00	15.00	3.20	5.60	3.70	79.8%	2	1,596
242	1	85.5%	8.00	5.20	8.30	17.50	3.80	6.70	5.40	69.7%	8	57
SRPT $17.85
602	2	84.8%	5.50	4.80	7.10	20.00	5.70	7.50	6.00	65.4%	142	897
78	1	84.0%	5.00	4.00	6.50	22.50	7.40	9.30	7.60	64.5%	15	433
193	3	81.5%	4.10	3.10	5.90	25.00	0.00	0.00	12.50	—	10	0
7	1	80.5%	3.80	2.00	5.90	27.50	—	—	—	—	—	—
757	1	90.0%	3.50	3.00	5.60	30.00	13.10	15.80	12.50	64.8%	1	1
1	—	87.0%	6.44	1.90	5.50	32.50	14.40	18.50	14.00	62.3%	3	1
188	2	84.1%	3.00	2.20	4.10	35.00	0.00	0.00	18.40	—	2	0
4	2	79.5%	3.05	0.05	5.00	37.50	20.20	22.20	19.82	65.9%	2	68
67	12	87.3%	2.70	1.25	4.50	40.00	18.00	22.20	25.30	33.0%	—	10

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 SRPT put/call ratio?

For the January 21, 2028 expiration, the SRPT put/call ratio based on open interest is 1.59 (4,335 puts vs 2,726 calls), and 20.96 based on today's volume. A ratio above 1 means more puts than calls.

What is SRPT's implied volatility?

At-the-money implied volatility for SRPT options expiring January 21, 2028 is about 77.6%, an annualized estimate of how much the market expects Sarepta Therapeutics stock to move.

How many SRPT option expiration dates are there?

SRPT has 14 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.