Dark

ALDX
Aldeyra Therapeutics, Inc.
stock NASDAQ

Market Open

Jul 16, 2026 2:19:03 PM EDT

1.68USD-12.240%(-0.24)2,008,216

1.68Bid 1.69Ask 0.01Spread

Pre-market

Jul 16, 2026 9:29:30 AM EDT

1.80USD-6.250%(-0.12)85,130

After-hours

Jul 15, 2026 4:57:30 PM EDT

1.91USD-1.036%(-0.02)0

OverviewOptionsHistoricalDark Pool LevelsShortsMore

ALDX Volume Jul 16, 2026 2:04:23 PM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	62.79	1,213,629	40.55
Nasdaq GSM	13.67	264,141	31.20
NYSE Arca	6.48	125,173	8.28
IEX	4.66	90,100	6.53
Cboe BZX	3.42	66,086	3.30
Cboe EDGX	2.39	46,199	3.45
NYSE	1.63	31,490	1.45
Cboe BYX	1.03	19,959	1.36
MEMX	0.96	18,517	1.42
NYSE National	0.82	15,753	0.97
CHX	0.62	12,018	0.07
Nasdaq BX	0.57	10,921	0.25
Cboe EDGA	0.56	10,804	0.52
MIAX Pearl	0.32	6,103	0.50
Nasdaq PHLX	0.08	1,538	0.06
NYSE American	0.02	379	0.07
LTSE	0.00	0	0.01
24X National	0.00	0	0.01

chartexchange.com

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

ALDX Nutrition Facts

1.10 servings per container

Serving size

1.76M

Calories

1.93M

% Day

% Avg

Off Exchange¹ 1M

62.79%

40.55%

Nasdaq GSM 264K

13.67%

31.20%

NYSE Arca 125K

6.48%

8.28%

IEX 90K

4.66%

6.53%

Cboe BZX 66K

3.42%

3.30%

Cboe EDGX 46K

2.39%

3.45%

NYSE 31K

1.63%

1.45%

Cboe BYX 20K

1.03%

1.36%

MEMX 19K

0.96%

1.42%

NYSE National 16K

0.82%

0.97%

CHX 12K

0.62%

0.07%

Nasdaq BX 11K

0.57%

0.25%

Cboe EDGA 11K

0.56%

0.52%

MIAX Pearl 6K

0.32%

0.50%

Nasdaq PHLX 2K

0.08%

0.06%

NYSE American 379

0.02%

0.07%

LTSE 0

0.00%

0.01%

24X National 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

ALDX Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 1,213,629, which is 62.79% of today's total volume.
Today's Lit volume is 719,181, which is 37.21%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 40.55%.
The average Lit volume has been 59.45%.

ALDX Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe BZX

Cboe EDGX

NYSE

Cboe BYX

MEMX

NYSE National

CHX