West Pharmaceutical Servi... (WST)
NYSE: WST
· Real-Time Price · USD
272.50
-0.66 (-0.24%)
At close: Oct 03, 2025, 3:59 PM
277.17
1.71%
Pre-market: Oct 06, 2025, 04:09 AM EDT
WST Gamma Exposure By Expiry
The total Gamma Exposure (GEX) for WST across all expirations is 2,231.41 shares per 1% move, with 4,339.64 from calls and 2,108.23 from puts. The put-call GEX ratio of 0.49 shows call-heavy positioning, potentially creating volatility as market makers hedge by selling into strength and buying weakness.
WST GEX Table
| Expiry Date | Call GEX | Put GEX | Net GEX | P/C GEX |
|---|---|---|---|---|
| Oct 17, 25 | 1,397.46 | -391.26 | 1,006.2 | 0.28 |
| Nov 21, 25 | 254.28 | -29.31 | 224.97 | 0.12 |
| Dec 19, 25 | 2,333.15 | -1,544.46 | 788.69 | 0.66 |
| Jan 16, 26 | 0 | 0 | 0 | n/a |
| Mar 20, 26 | 354.75 | -143.2 | 211.55 | 0.40 |