Sarepta Therapeutics (SRPT) Options Chain

NASDAQ: SRPTHealth CareBiotechnology: Pharmaceutical PreparationsUSD

18.21+0.71 (+4.06%)

At close: Oct 8, 4:00 PM ET · Delayed 15 min

After hours: 18.21 0.00%

Expiration date

Expiration: Oct 9, 2026
Days to expiration: 1
Share price: $18.21
Put/call ratio (OI): 0.29
Put/call ratio (volume): 1.65
ATM implied volatility: 51.4%
Expected move: ±$0.4896
Open interest (C / P): 1.83K / 524

SRPT options summary

The SRPT options chain for the October 9, 2026 expiration lists 19 call and 23 put contracts, with 1 day until expiration. Open interest stands at 1,833 calls and 524 puts, a put/call ratio of 0.29, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $18.00 strike is 51.4%, which implies the market expects a move of about ±$0.4896 (2.7%) in Sarepta Therapeutics stock by expiration.

The most open interest sits at the $18.00 call (425 contracts) and the $17.50 put (164 contracts).

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

SRPT options chain · October 9, 2026

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
28	25	781.3%	7.90	7.20	8.80	10.00	—	—	—	—	—	—
0	1	330.5%	2.33	2.20	3.70	15.00	—	—	—	—	—	—
2	1	321.1%	1.85	1.50	3.30	15.50	0.00	0.75	0.05	263.3%	—	5
—	—	—	—	—	—	16.00	0.00	0.75	0.02	230.5%	1	65
4	4	224.2%	0.98	0.25	2.20	16.50	0.00	0.05	0.16	82.8%	9	21
14	2	199.2%	0.70	0.55	1.75	17.00	0.00	0.25	0.15	100.4%	1	113
48	6	98.4%	0.15	0.15	0.95	17.50	0.00	0.65	0.55	116.8%	200	164
425	9	52.7%	0.40	0.30	0.50	18.00	0.10	0.25	0.65	50.0%	1	8
SRPT $18.21
91	100	50.0%	0.05	0.05	0.25	18.50	0.05	1.85	1.42	146.9%	1	2
270	2	60.2%	0.06	0.00	0.15	19.00	0.65	0.90	0.99	69.5%	102	104
72	1	123.0%	0.10	0.00	0.45	19.50	—	—	—	—	—	—
269	25	111.3%	0.03	0.00	0.20	20.00	1.30	3.90	2.84	274.2%	1	8
67	3	183.2%	0.05	0.00	0.40	21.00	2.30	4.40	3.67	273.4%	2	21
20	—	282.4%	0.06	0.00	1.00	21.50	—	—	—	—	—	—
48	13	156.3%	0.07	0.00	0.10	22.00	3.50	5.10	2.40	305.9%	—	1
31	1	430.5%	0.03	0.00	1.75	23.00	4.30	6.80	5.58	405.1%	1	5
—	—	—	—	—	—	23.50	4.80	7.40	6.01	435.9%	1	1
—	—	—	—	—	—	24.00	4.20	7.90	7.46	307.8%	5	1
—	—	—	—	—	—	24.50	4.70	8.40	7.35	323.4%	2	1
409	10	343.8%	0.05	0.00	0.55	25.00	5.20	8.90	7.81	338.3%	1	2
—	—	—	—	—	—	25.50	5.80	9.40	8.27	370.3%	1	2
1	1	585.2%	0.15	0.00	2.15	26.00	6.20	9.90	8.50	366.4%	2	0
33	—	617.6%	0.10	0.00	2.15	27.00	—	—	—	—	—	—
—	—	—	—	—	—	29.00	9.30	12.90	11.30	461.7%	—	0
1	—	703.9%	0.30	0.00	2.15	30.00	10.10	13.90	9.97	442.2%	2	0
—	—	—	—	—	—	31.00	11.10	14.90	13.67	463.3%	1	0
—	—	—	—	—	—	33.00	13.10	16.90	15.20	502.3%	2	0
—	—	—	—	—	—	35.00	15.10	18.90	16.65	538.3%	—	0

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 October 9, 2026 expiration, the SRPT put/call ratio based on open interest is 0.29 (524 puts vs 1,833 calls), and 1.65 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 October 9, 2026 is about 51.4%, an annualized estimate of how much the market expects Sarepta Therapeutics stock to move.

How many SRPT option expiration dates are there?

SRPT has 15 listed expiration dates, from Oct 9, 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.