Options market record
GSK options flowcalls and puts bought each day.
On Oct 5, 2026, traders bought 574 GSK call contracts ($129.6K) and 272 put contracts ($140.7K). Calls were — and puts were — their respective 20-day medians. The underlying closed at $46.55 and 30-day implied volatility was 26.8%. On the call-buy top 10 on 1 of 473 trading days since Nov 11, 2024.
Each point is one trading day since Nov 11, 2024. Latest rankings
Daily contracts bought
Call contracts: min 40, max 89.95K, latest 574. Put contracts: min 7, max 14.18K, latest 272.
30-day implied volatility
30-day IV: min 17.3%, max 53.0%, latest 26.8%.
Days in a top-10 list
Ranked by contracts bought today compared with the stock's own median over the previous 20 trading days.
| Date | Call-buy rank | Put-buy rank | Call vs normal | Put vs normal |
|---|---|---|---|---|
| Nov 13, 2025 | 2 | — | 46.6× | 0.6× |
| Oct 24, 2025 | — | 10 | 1.9× | 7.9× |
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