Ticker data / GSK
GSK options activity and gamma
As of 2026-10-23T20:00:00.000Z, GSK has 47,075 standard-contract open interest across 8 expiries, -1.48% from the dated underlying price to the call wall. OI rank 61 of 113 measured books with the same UTC source date; not a full-market ranking.
GSK last, delayed: $50.75. As of . Source: delayed price. Clock basis: session close.
Gamma estimate by strike
| Strike | Net gamma estimate | Magnitude |
|---|---|---|
| 80 | $0 | |
| 75 | $0 | |
| 70 | $0 | |
| 65 | $0 | |
| 62 | $0 | |
| 61 | $0 | |
| 60 | $262,791 | |
| 59 | $0 | |
| 58 | $0 | |
| 57 | $0 | |
| 56 | $126 | |
| 55 | $750,381 | |
| 54 | $988 | |
| 53 | $40,293 | |
| 52 | $116,931 | |
| 51 | $171,152 | |
| 50 | $279,897 | |
| 49.5 | $-2,352 | |
| 49 | $-37,181 | |
| 48.5 | $-3,362 | |
| 48 | $-46,477 | |
| 47.5 | $-163 | |
| 47 | $-113,062 | |
| 46 | $-3,371 | |
| 45 | $-118,676 | |
| 44 | $0 | |
| 43 | $-110 | |
| 42 | $0 | |
| 41 | $0 | |
| 40 | $0 | |
| 39 | $0 | |
| 38 | $0 | |
| 37 | $0 | |
| 35 | $0 | |
| 33 | $0 | |
| 30 | $0 | |
| 28 | $0 | |
| 25 | $0 | |
| 23 | $0 | |
| 20 | $0 |
Call wall: 50. Put wall: 50. This book clears the options activity floor.
Open interest: 47,075 contracts. Session volume: 0. Expiries held: 8. Source: delayed options data, chain as of 2026-10-23 20:00:00 UTC.
Method and data clocks
OI-derived gamma estimate, calls positive and puts negative; 100-share standard roots only; dollars per 1% underlying move. Not observed dealer positions. Full-chain activity; at most 40 nearest gamma strikes. Clock selection: session close. OI settlement date is not supplied by this feed; the chain clock does not establish a settlement date.
Company and sector context
GSK plc American Depositary Shares (Each representing two Ordinary Shares). Health Care / Biotechnology: Pharmaceutical Preparations. Catalogue checked 2026-10-20 from public issuer and exchange directories.
Sector peers
AAPG AARD ABBV ABCL ABEO ABOS ABSI ABT Sector context
Historical measurements and modeled gamma describe the saved book. They do not predict price movement.