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OMER
Omeros Corporation
stock NASDAQ

At Close

Oct 17, 2025 3:59:51 PM EDT

8.11USD-17.497%(-1.72)7,420,206

8.10Bid 8.13Ask 0.03Spread

Pre-market

Oct 17, 2025 9:27:30 AM EDT

9.51USD-3.251%(-0.32)52,163

After-hours

Oct 17, 2025 4:47:30 PM EDT

8.03USD-0.986%(-0.08)30,038

OverviewOptionsHistoricalExchange VolumeShortsMore

OMER Volume Oct 17, 2025

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	55.05	4,079,030	53.90
Nasdaq GSM	19.73	1,462,199	15.10
NYSE Arca	8.73	646,982	13.86
Cboe EDGX	4.03	298,961	6.64
Cboe BZX	3.50	259,142	2.97
MEMX	2.61	193,604	2.16
IEX	2.19	162,367	1.79
NYSE	2.10	155,630	1.13
MIAX Pearl	0.68	50,485	0.90
Cboe BYX	0.49	36,094	0.41
NYSE National	0.33	24,177	0.15
Cboe EDGA	0.32	23,512	0.48
Nasdaq BX	0.16	11,935	0.34
Nasdaq PHLX	0.04	2,871	0.09
NYSE American	0.04	2,745	0.06
CHX	0.01	449	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.

OMER Nutrition Facts

1.76 servings per container

Serving size

4.22M

Calories

7.41M

% Day

% Avg

Off Exchange¹ 4M

55.05%

53.90%

Nasdaq GSM 1M

19.73%

15.10%

NYSE Arca 647K

8.73%

13.86%

Cboe EDGX 299K

4.03%

6.64%

Cboe BZX 259K

3.50%

2.97%

MEMX 194K

2.61%

2.16%

IEX 162K

2.19%

1.79%

NYSE 156K

2.10%

1.13%

MIAX Pearl 50K

0.68%

0.90%

Cboe BYX 36K

0.49%

0.41%

NYSE National 24K

0.33%

0.15%

Cboe EDGA 24K

0.32%

0.48%

Nasdaq BX 12K

0.16%

0.34%

Nasdaq PHLX 3K

0.04%

0.09%

NYSE American 3K

0.04%

0.06%

CHX 449

0.01%

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

OMER Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 4,079,030, which is 55.05% of today's total volume.
Today's Lit volume is 3,331,153, which is 44.95%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 53.90%.
The average Lit volume has been 46.10%.

OMER Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

Cboe EDGX

Cboe BZX

MEMX

IEX

NYSE

MIAX Pearl

Cboe BYX

NYSE National