GSK (GSK) Options Chain
NYSE: GSKHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Oct 30, 2026
- Days to expiration
- 18
- Share price
- $46.50
- Put/call ratio (volume)
- 0.61
- Expected move
- ±$0.1611
- Open interest (C / P)
- 0 / 0
GSK options summary
The GSK options chain for the October 30, 2026 expiration lists 16 call and 11 put contracts, with 18 days until expiration. At-the-money implied volatility near the $46.00 strike is 1.6%, which implies the market expects a move of about ±$0.1611 (0.3%) in GSK stock by expiration. The most open interest sits at the $44.00 call (0 contracts) and the $41.00 put (0 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
GSK options chain · October 30, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 41.00 | 0.00 | 0.00 | 0.27 | |||||
| — | — | — | 43.00 | 0.00 | 0.00 | 0.30 | |||||
| 5.20 | 0.00 | 0.00 | 44.00 | 0.00 | 0.00 | 0.43 | |||||
| 4.25 | 0.00 | 0.00 | 45.00 | 0.00 | 0.00 | 0.70 | |||||
| 1.80 | 0.00 | 0.00 | 46.00 | 0.00 | 0.00 | 0.85 | |||||
| 1.20 | 0.00 | 0.00 | 47.00 | 0.00 | 0.00 | 2.20 | |||||
| 0.83 | 0.00 | 0.00 | 48.00 | 0.00 | 0.00 | 1.74 | |||||
| 0.55 | 0.00 | 0.00 | 49.00 | 0.00 | 0.00 | 2.45 | |||||
| 0.45 | 0.00 | 0.00 | 50.00 | 0.00 | 0.00 | 3.25 | |||||
| 0.20 | 0.00 | 0.00 | 51.00 | 0.00 | 0.00 | 2.65 | |||||
| 0.16 | 0.00 | 0.00 | 52.00 | 0.00 | 0.00 | 2.65 | |||||
| 0.10 | 0.00 | 0.00 | 53.00 | — | — | — | |||||
| 0.15 | 0.00 | 0.00 | 54.00 | — | — | — | |||||
| 0.50 | 0.00 | 0.00 | 55.00 | — | — | — | |||||
| 0.20 | 0.00 | 0.00 | 56.00 | — | — | — | |||||
| 0.30 | 0.00 | 0.00 | 57.00 | — | — | — | |||||
| 0.71 | 0.00 | 0.00 | 58.00 | — | — | — | |||||
| 0.20 | 0.00 | 0.00 | 59.00 | — | — | — | |||||
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 GSK's implied volatility?
At-the-money implied volatility for GSK options expiring October 30, 2026 is about 1.6%, an annualized estimate of how much the market expects GSK stock to move.
How many GSK option expiration dates are there?
GSK has 12 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.