Price Alert

West Pharmaceutical Servi... (WST)

NYSE: WST · Real-Time Price · USD

272.50

-0.66 (-0.24%)

At close: Oct 03, 2025, 3:59 PM

272.56

0.02%

After-hours: Oct 03, 2025, 05:45 PM EDT

WST Option Overview

Overview for all option chains of WST. As of October 05, 2025, WST options have an IV of 100.1% and an IV rank of 121.76%. The volume is 223 contracts, which is 256.32% of average daily volume of 87 contracts. The volume put-call ratio is 13.87, indicating a bearish sentiment in the market.

Implied Volatility

Implied Volatility (30d)

100.1%

IV Rank

100%

Historical Volatility

26.67%

IV Low

36.05% on Jan 07, 2025

IV High

88.66% on Oct 02, 2025

Open Interest (OI)

Today's Open Interest

4,651

Put-Call Ratio

0.51

Put Open Interest

1,580

Call Open Interest

3,071

Open Interest Avg (30-day)

4,145

Today vs Open Interest Avg (30-day)

112.21%

Option Volume

Today's Volume

223

Put-Call Ratio

13.87

Put Volume

208

Call Volume

Volume Avg (30-day)

Today vs Volume Avg (30-day)

256.32%

Option Chain Statistics

This table provides a comprehensive overview of all WST options grouped by their expiration dates.

Expiration	Call Vol	Put Vol	P/C Vol	Call OI	Put OI	P/C OI	Implied Volatility	Max Pain
Oct 17, 2025	4	200	50	506	109	0.22	100.1%	240
Nov 21, 2025	8	0	0	150	11	0.07	60.37%	250
Dec 19, 2025	2	1	0.5	2,080	1,309	0.63	60.17%	220
Jan 16, 2026	0	0	0	0	0	0	n/a	60
Mar 20, 2026	1	7	7	335	151	0.45	45.62%	240