Dark

NPO
Enpro Inc.
stock NYSE

At Close

Sep 1, 2026 3:59:49 PM EDT

287.76USD-2.858%(-8.46)113,344

0.00Bid 0.00Ask 0.00Spread

Pre-market

Sep 1, 2026 9:29:58 AM EDT

298.74USD+0.851%(+2.52)40

After-hours

Sep 1, 2026 4:10:30 PM EDT

287.96USD+0.071%(+0.20)1

OverviewOptionsHistoricalExchange VolumeShortsMore

NPO Volume Sep 1, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	49.91	45,964	40.89
NYSE	14.79	13,617	28.28
IEX	7.72	7,112	5.01
Cboe EDGX	6.47	5,954	3.81
Nasdaq GSM	5.25	4,832	7.63
NYSE National	5.11	4,707	0.54
NYSE Arca	4.32	3,979	6.01
MEMX	2.19	2,018	1.20
Cboe BZX	1.87	1,722	3.23
Cboe BYX	1.05	963	1.09
Cboe EDGA	0.45	418	1.12
Nasdaq BX	0.25	234	0.39
Nasdaq PHLX	0.25	231	0.22
MIAX Pearl	0.23	212	0.23
LTSE	0.07	68	0.08
CHX	0.03	32	0.07
NYSE American	0.03	32	0.16
24X National	0.00	0	0.03
Texas Stock Exchange LLC	0.00	0	0.00

chartexchange.com

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

NPO Nutrition Facts

0.50 servings per container

Serving size

185.15K

Calories

92.10K

% Day

% Avg

Off Exchange¹ 46K

49.91%

40.89%

NYSE 14K

14.79%

28.28%

IEX 7K

7.72%

5.01%

Cboe EDGX 6K

6.47%

3.81%

Nasdaq GSM 5K

5.25%

7.63%

NYSE National 5K

5.11%

0.54%

NYSE Arca 4K

4.32%

6.01%

MEMX 2K

2.19%

1.20%

Cboe BZX 2K

1.87%

3.23%

Cboe BYX 963

1.05%

1.09%

Cboe EDGA 418

0.45%

1.12%

Nasdaq BX 234

0.25%

0.39%

Nasdaq PHLX 231

0.25%

0.22%

MIAX Pearl 212

0.23%

LTSE 68

0.07%

0.08%

CHX 32

0.03%

0.07%

NYSE American 32

0.03%

0.16%

24X National 0

0.00%

0.03%

Texas Stock Exchange LLC 0

0.00%

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

chartexchange.com

NPO Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 45,964, which is 49.91% of today's total volume.
Today's Lit volume is 46,131, which is 50.09%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 40.89%.
The average Lit volume has been 59.11%.

NPO Volume by Exchange

Off Exchange

NYSE

IEX

Cboe EDGX

Nasdaq GSM

NYSE National

NYSE Arca

MEMX

Cboe BZX

Cboe BYX

Cboe EDGA