BioCryst Pharmaceuticals (BCRX) Options Chain

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

8.55+0.26 (+3.14%)

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

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $8.55
Put/call ratio (OI): 0.03
Put/call ratio (volume): 0.50
ATM implied volatility: 55.5%
Expected move: ±$1.57
Open interest (C / P): 4.75K / 150

BCRX options summary

The BCRX options chain for the November 20, 2026 expiration lists 6 call and 3 put contracts, with 40 days until expiration. Open interest stands at 4,749 calls and 150 puts, a put/call ratio of 0.03, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $9.00 strike is 55.5%, which implies the market expects a move of about ±$1.57 (18.4%) in BioCryst Pharmaceuticals stock by expiration.

The most open interest sits at the $10.00 call (3.34K contracts) and the $8.00 put (125 contracts).

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

BCRX options chain · November 20, 2026

BCRX 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
—	—	—	1.93	—	—	6.00	—	—	—	—	—	—
—	—	—	—	—	—	7.00	0.00	0.75	0.17	92.8%	1	3
37	109	95.5%	0.63	0.20	1.35	8.00	0.30	0.45	0.35	55.3%	100	125
BCRX $8.55
1,350	127	60.0%	0.45	0.25	0.50	9.00	0.75	0.95	0.89	51.1%	22	22
3,343	4	50.6%	0.15	0.10	0.20	10.00	—	—	—	—	—	—
6	4	105.5%	0.05	0.00	0.95	11.00	—	—	—	—	—	—
13	—	139.3%	0.48	0.00	0.75	14.00	—	—	—	—	—	—

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 BCRX put/call ratio?

For the November 20, 2026 expiration, the BCRX put/call ratio based on open interest is 0.03 (150 puts vs 4,749 calls), and 0.50 based on today's volume. A ratio above 1 means more puts than calls.

What is BCRX's implied volatility?

At-the-money implied volatility for BCRX options expiring November 20, 2026 is about 55.5%, an annualized estimate of how much the market expects BioCryst Pharmaceuticals stock to move.

How many BCRX option expiration dates are there?

BCRX has 7 listed expiration dates, from Oct 16, 2026 to Jan 21, 2028.

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.