Price Alert

West Pharmaceutical Servi... (WST)

NYSE: WST · Real-Time Price · USD

243.22

-2.98 (-1.21%)

At close: Aug 18, 2025, 3:59 PM

243.09

-0.05%

After-hours: Aug 18, 2025, 06:26 PM EDT

WST Option Overview

Overview for all option chains of WST. As of August 15, 2025, WST options have an IV of 282.16% and an IV rank of 459.21%. The volume is 173 contracts, which is 25.18% of average daily volume of 687 contracts. The volume put-call ratio is 0.04, indicating a bullish sentiment in the market.

Implied Volatility

Implied Volatility (30d)

282.16%

IV Rank

459.21%

Historical Volatility

69.77%

IV Low

36.47% on Sep 24, 2024

IV High

89.97% on Aug 14, 2025

Open Interest (OI)

Today's Open Interest

9,705

Put-Call Ratio

0.67

Put Open Interest

3,903

Call Open Interest

5,802

Open Interest Avg (30-day)

9,067

Today vs Open Interest Avg (30-day)

107.04%

Option Volume

Today's Volume

173

Put-Call Ratio

0.04

Put Volume

Call Volume

167

Volume Avg (30-day)

687

Today vs Volume Avg (30-day)

25.18%

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
Aug 15, 2025	86	1	0.01	1,815	1,731	0.95	282.16%	220
Sep 19, 2025	30	4	0.13	1,866	934	0.5	73.77%	230
Oct 17, 2025	1	1	1	0	0	0	40.72%	150
Dec 19, 2025	0	0	0	2,001	1,196	0.6	46.11%	220
Jan 16, 2026	0	0	0	0	0	0	n/a	60
Mar 20, 2026	50	0	0	120	42	0.35	39.92%	240