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ACMR
ACM Research, Inc. Class A Common Stock
stock NASDAQ

At Close

Jul 28, 2026 3:59:55 PM EDT

72.09USD-9.854%(-7.88)1,370,784

67.00Bid 82.32Ask 15.32Spread

Pre-market

Jul 27, 2026 9:25:30 AM EDT

86.50USD+2.585%(+2.18)0

After-hours

Jul 27, 2026 4:04:30 PM EDT

79.97USD+0.025%(+0.02)0

OverviewOptionsHistoricalDark Pool LevelsShortsMore

ACMR Volume Jul 28, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	39.66	447,574	40.63
Nasdaq GSM	32.97	372,057	38.80
NYSE Arca	9.78	110,383	6.25
Cboe BZX	5.53	62,418	3.34
IEX	4.55	51,398	4.02
Cboe EDGX	2.78	31,348	2.81
NYSE	1.72	19,373	1.19
MEMX	0.96	10,827	0.92
Cboe BYX	0.55	6,230	0.58
Cboe EDGA	0.50	5,668	0.34
MIAX Pearl	0.30	3,399	0.19
Nasdaq BX	0.28	3,132	0.33
NYSE National	0.19	2,108	0.23
Nasdaq PHLX	0.13	1,469	0.20
NYSE American	0.08	931	0.11
CHX	0.02	279	0.05
24X National	0.00	0	0.02
LTSE	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.

ACMR Nutrition Facts

0.73 servings per container

Serving size

1.55M

Calories

1.13M

% Day

% Avg

Off Exchange¹ 448K

39.66%

40.63%

Nasdaq GSM 372K

32.97%

38.80%

NYSE Arca 110K

9.78%

6.25%

Cboe BZX 62K

5.53%

3.34%

IEX 51K

4.55%

4.02%

Cboe EDGX 31K

2.78%

2.81%

NYSE 19K

1.72%

1.19%

MEMX 11K

0.96%

0.92%

Cboe BYX 6K

0.55%

0.58%

Cboe EDGA 6K

0.50%

0.34%

MIAX Pearl 3K

0.30%

0.19%

Nasdaq BX 3K

0.28%

0.33%

NYSE National 2K

0.19%

0.23%

Nasdaq PHLX 1K

0.13%

0.20%

NYSE American 931

0.08%

0.11%

CHX 279

0.02%

0.05%

24X National 0

0.00%

0.02%

LTSE 0

0.00%

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

chartexchange.com

ACMR Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 447,574, which is 39.66% of today's total volume.
Today's Lit volume is 681,020, which is 60.34%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 40.63%.
The average Lit volume has been 59.37%.

ACMR Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

Cboe BZX

IEX

Cboe EDGX

NYSE

MEMX

Cboe BYX

Cboe EDGA

MIAX Pearl