Replimune Group (REPL) Options Chain

NASDAQ: REPLHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD

13.42+0.38 (+2.91%)

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

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 41
Share price: $13.42
Put/call ratio (OI): 0.28
Put/call ratio (volume): 1.07
ATM implied volatility: 80.9%
Expected move: ±$3.64
Open interest (C / P): 19.14K / 5.37K

REPL options summary

The REPL options chain for the November 20, 2026 expiration lists 26 call and 19 put contracts, with 41 days until expiration. Open interest stands at 19,142 calls and 5,365 puts, a put/call ratio of 0.28, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $13.00 strike is 80.9%, which implies the market expects a move of about ±$3.64 (27.1%) in Replimune Group stock by expiration.

The most open interest sits at the $15.00 call (5.30K contracts) and the $8.00 put (2.65K contracts).

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

REPL options chain · November 20, 2026

REPL 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
4	1	—	12.00	12.30	16.90	0.50	0.00	0.05	0.05	475.0%	72	311
77	4	1225.0%	8.33	11.60	15.00	1.00	0.00	0.00	0.05	50.0%	60	0
1	—	—	1.54	5.30	9.60	1.50	0.00	0.00	0.04	50.0%	1	0
0	5	—	12.00	0.00	0.00	2.00	0.00	0.00	0.02	50.0%	1	0
57	4	796.1%	12.00	8.10	12.40	3.00	0.00	0.05	0.04	206.3%	1	28
413	28	608.6%	11.60	7.10	11.40	4.00	0.00	0.05	0.05	168.8%	10	128
333	1	496.9%	7.70	6.10	10.40	5.00	0.00	0.05	0.04	139.1%	2	118
277	10	430.1%	7.44	5.10	9.50	6.00	0.00	0.05	0.05	115.6%	1	209
105	6	286.9%	4.70	6.60	8.90	7.00	0.00	0.70	0.15	169.5%	10	45
193	80	230.1%	5.42	3.80	6.60	8.00	0.00	0.20	0.13	100.8%	41	2,645
342	2	261.1%	4.19	2.40	6.40	9.00	0.00	0.70	0.20	116.4%	66	181
5,020	10	86.5%	3.41	3.50	3.90	10.00	0.05	0.40	0.32	80.5%	2	93
210	1	82.9%	3.02	2.50	3.30	11.00	0.30	2.00	0.70	131.4%	3	639
323	1	85.1%	1.70	0.75	3.80	12.00	0.35	1.45	0.88	87.9%	1	41
729	1	80.3%	1.60	1.15	2.15	13.00	0.70	1.80	1.35	81.5%	2	73
REPL $13.42
1,080	1	67.2%	1.19	0.30	1.65	14.00	1.70	2.20	1.95	89.0%	4	607
5,304	2	73.0%	0.85	0.20	1.30	15.00	1.85	2.95	2.20	77.2%	16	246
1,014	3	75.8%	0.85	0.05	1.05	16.00	—	—	—	—	—	—
231	97	88.3%	0.40	0.20	0.90	17.00	3.30	4.80	5.41	82.8%	—	0
186	6	84.4%	0.40	0.00	0.70	18.00	—	—	—	—	—	—
3	1	224.1%	1.55	0.05	4.90	19.00	3.80	8.00	5.00	91.2%	2	1
3,219	5	102.3%	0.35	0.00	0.70	20.00	—	—	—	—	—	—
20	—	110.2%	0.16	0.00	0.70	21.00	—	—	—	—	—	—
1	1	124.4%	0.20	0.00	0.70	23.00	—	—	—	—	—	—
0	5	50.0%	0.65	0.00	0.00	25.00	—	—	—	—	—	—
0	—	50.0%	0.30	0.00	0.00	29.00	—	—	—	—	—	—

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 REPL put/call ratio?

For the November 20, 2026 expiration, the REPL put/call ratio based on open interest is 0.28 (5,365 puts vs 19,142 calls), and 1.07 based on today's volume. A ratio above 1 means more puts than calls.

What is REPL's implied volatility?

At-the-money implied volatility for REPL options expiring November 20, 2026 is about 80.9%, an annualized estimate of how much the market expects Replimune Group stock to move.

How many REPL option expiration dates are there?

REPL has 10 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.