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ASTC
Astrotech Corporation (DE) Common Stock
stock NASDAQ

At Close

Jul 28, 2026 3:59:30 PM EDT

6.43USD-15.172%(-1.15)108,926

5.54Bid 7.73Ask 2.19Spread

Pre-market

Jul 27, 2026 9:25:30 AM EDT

7.00USD-2.778%(-0.20)0

After-hours

Jul 28, 2026 4:51:30 PM EDT

6.30USD-2.022%(-0.13)768

OverviewHistoricalExchange VolumeShortsMore

ASTC Volume Jul 28, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	54.94	59,603	56.19
Nasdaq GSM	16.34	17,722	17.06
NYSE Arca	8.91	9,664	11.66
MEMX	5.50	5,963	2.79
Cboe EDGX	4.46	4,834	6.58
Cboe BYX	3.93	4,263	0.63
NYSE National	2.41	2,617	0.11
Nasdaq BX	1.67	1,808	0.31
Cboe BZX	0.73	791	2.22
IEX	0.54	587	0.64
Cboe EDGA	0.35	381	0.27
MIAX Pearl	0.12	135	0.73
NYSE American	0.08	91	0.10
NYSE	0.02	19	0.56
Nasdaq PHLX	0.00	0	0.08
24X National	0.00	0	0.03
CHX	0.00	0	0.02
LTSE	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.

ASTC Nutrition Facts

0.41 servings per container

Serving size

265.23K

Calories

108.48K

% Day

% Avg

Off Exchange¹ 60K

54.94%

56.19%

Nasdaq GSM 18K

16.34%

17.06%

NYSE Arca 10K

8.91%

11.66%

MEMX 6K

5.50%

2.79%

Cboe EDGX 5K

4.46%

6.58%

Cboe BYX 4K

3.93%

0.63%

NYSE National 3K

2.41%

0.11%

Nasdaq BX 2K

1.67%

0.31%

Cboe BZX 791

0.73%

2.22%

IEX 587

0.54%

0.64%

Cboe EDGA 381

0.35%

0.27%

MIAX Pearl 135

0.12%

0.73%

NYSE American 91

0.08%

0.10%

NYSE 19

0.02%

0.56%

Nasdaq PHLX 0

0.00%

0.08%

24X National 0

0.00%

0.03%

CHX 0

0.00%

0.02%

LTSE 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

ASTC Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 59,603, which is 54.94% of today's total volume.
Today's Lit volume is 48,875, which is 45.06%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 56.19%.
The average Lit volume has been 43.81%.

ASTC Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

MEMX

Cboe EDGX

Cboe BYX

NYSE National

Nasdaq BX

Cboe BZX

IEX

Cboe EDGA