Dark

WST
West Pharmaceutical Services, Inc.
stock NYSE

At Close

Sep 30, 2026 3:59:56 PM EDT

370.68USD-1.580%(-5.95)470,047

351.50Bid 391.00Ask 39.50Spread

Pre-market

Sep 30, 2026 9:11:30 AM EDT

380.01USD+0.897%(+3.38)125

After-hours

Sep 30, 2026 4:02:30 PM EDT

370.76USD+0.022%(+0.08)122,907

OverviewOptionsHistoricalDark Pool LevelsShortsMore

WST Volume Sep 30, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	45.37	213,507	45.42
NYSE	32.70	153,916	32.18
Nasdaq GSM	7.70	36,260	6.94
IEX	4.39	20,678	4.55
Cboe BZX	3.72	17,520	3.23
NYSE Arca	1.87	8,789	3.30
Cboe EDGX	1.40	6,599	1.32
Cboe BYX	0.93	4,395	0.85
MEMX	0.53	2,493	0.60
Nasdaq BX	0.37	1,730	0.37
NYSE National	0.30	1,400	0.32
Cboe EDGA	0.24	1,147	0.33
Nasdaq PHLX	0.18	865	0.16
NYSE American	0.12	574	0.16
MIAX Pearl	0.08	375	0.19
CHX	0.07	329	0.06
24X National	0.01	45	0.01
Texas Stock Exchange LLC	0.00	2	0.01
LTSE	0.00	0	0.01

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¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

WST Nutrition Facts

0.84 servings per container

Serving size

562.61K

Calories

470.62K

% Day

% Avg

Off Exchange¹ 214K

45.37%

45.42%

NYSE 154K

32.70%

32.18%

Nasdaq GSM 36K

7.70%

6.94%

IEX 21K

4.39%

4.55%

Cboe BZX 18K

3.72%

3.23%

NYSE Arca 9K

1.87%

3.30%

Cboe EDGX 7K

1.40%

1.32%

Cboe BYX 4K

0.93%

0.85%

MEMX 2K

0.53%

0.60%

Nasdaq BX 2K

0.37%

NYSE National 1K

0.30%

0.32%

Cboe EDGA 1K

0.24%

0.33%

Nasdaq PHLX 865

0.18%

0.16%

NYSE American 574

0.12%

0.16%

MIAX Pearl 375

0.08%

0.19%

CHX 329

0.07%

0.06%

24X National 45

0.01%

Texas Stock Exchange LLC 2

0.00%

0.01%

LTSE 0

0.00%

0.01%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

WST Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 213,507, which is 45.37% of today's total volume.
Today's Lit volume is 257,117, which is 54.63%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 45.42%.
The average Lit volume has been 54.58%.

WST Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

IEX

Cboe BZX

NYSE Arca

Cboe EDGX

Cboe BYX

MEMX

Nasdaq BX

NYSE National