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ALDX
Aldeyra Therapeutics, Inc.
stock NASDAQ

Market Open

Oct 1, 2026 11:03:46 AM EDT

1.24USD+0.813%(+0.01)481,999

1.24Bid 1.25Ask 0.01Spread

Pre-market

Oct 1, 2026 9:25:30 AM EDT

1.26USD+2.439%(+0.03)370

After-hours

Sep 30, 2026 4:38:30 PM EDT

1.26USD+3.279%(+0.04)0

OverviewOptionsHistoricalExchange VolumeShortsMore

ALDX Volume Oct 1, 2026 10:54:26 AM EDT

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Exchange	Day%	Volume	30D%
Off Exchange¹	44.97	200,932	45.59
Nasdaq GSM	16.52	73,836	20.76
NYSE Arca	13.85	61,905	9.46
Cboe EDGX	7.99	35,696	7.06
Cboe BZX	7.18	32,097	6.30
IEX	3.04	13,589	5.86
MEMX	2.44	10,886	0.69
MIAX Pearl	2.14	9,556	0.67
NYSE	1.46	6,538	1.72
NYSE American	0.14	604	0.19
CHX	0.11	495	0.02
Cboe BYX	0.09	403	0.65
NYSE National	0.03	140	0.25
24X National	0.02	100	0.03
Cboe EDGA	0.02	70	0.24
Texas Stock Exchange LLC	0.00	0	0.24
Nasdaq BX	0.00	0	0.24
Nasdaq PHLX	0.00	0	0.03

chartexchange.com

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

ALDX Nutrition Facts

0.52 servings per container

Serving size

864.42K

Calories

446.85K

% Day

% Avg

Off Exchange¹ 201K

44.97%

45.59%

Nasdaq GSM 74K

16.52%

20.76%

NYSE Arca 62K

13.85%

9.46%

Cboe EDGX 36K

7.99%

7.06%

Cboe BZX 32K

7.18%

6.30%

IEX 14K

3.04%

5.86%

MEMX 11K

2.44%

0.69%

MIAX Pearl 10K

2.14%

0.67%

NYSE 7K

1.46%

1.72%

NYSE American 604

0.14%

0.19%

CHX 495

0.11%

0.02%

Cboe BYX 403

0.09%

0.65%

NYSE National 140

0.03%

0.25%

24X National 100

0.02%

0.03%

Cboe EDGA 70

0.02%

0.24%

Texas Stock Exchange LLC 0

0.00%

0.24%

Nasdaq BX 0

0.00%

0.24%

Nasdaq PHLX 0

0.00%

0.03%

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 200,932, which is 44.97% of today's total volume.
Today's Lit volume is 245,915, which is 55.03%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 45.59%.
The average Lit volume has been 54.41%.

ALDX Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

Cboe EDGX

Cboe BZX

IEX

MEMX

MIAX Pearl

NYSE

NYSE American

CHX