West Pharmaceutical Services Inc. (WST) Gamma Exposure by Expiry | GEX Expiration Analysis - Stocknear

West Pharmaceutical Servi...

NYSE: WST · Real-Time Price · USD
253.50
-10.24 (-3.88%)
At close: Sep 12, 2025, 3:59 PM
257.49
1.57%
After-hours: Sep 12, 2025, 06:12 PM EDT

WST Gamma Exposure By Expiry

The total Gamma Exposure (GEX) for WST across all expirations is 11,401.21 shares per 1% move, with 16,206.51 from calls and 4,805.3 from puts. The put-call GEX ratio of 0.30 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
Sep 19, 25 12,824.03 -3,248.29 9,575.74 0.25
Oct 17, 25 165.25 -329.29 -164.04 1.99
Dec 19, 25 2,844.07 -1,142.52 1,701.55 0.40
Jan 16, 26 0 0 0 n/a
Mar 20, 26 373.16 -85.2 287.96 0.23