Dark

ISSC
Innovative Solutions & Support
stock NASDAQ

At Close

Jun 30, 2026 3:59:57 PM EDT

18.00USD-0.332%(-0.06)403,600

14.62Bid 21.08Ask 6.46Spread

Pre-market

Jun 29, 2026 9:28:30 AM EDT

17.58USD-2.658%(-0.48)0

After-hours

Jun 30, 2026 4:45:30 PM EDT

18.00USD0.000%(0.00)49,973

OverviewOptionsHistoricalExchange VolumeShortsMore

ISSC Volume Jun 30, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	40.33	163,101	40.78
Nasdaq GSM	37.09	150,000	39.19
NYSE Arca	5.64	22,826	5.79
Cboe BZX	4.02	16,262	3.52
IEX	3.80	15,381	3.25
Cboe EDGX	2.86	11,583	3.22
NYSE	1.76	7,100	0.97
MEMX	0.96	3,893	1.09
Cboe EDGA	0.93	3,758	0.43
Nasdaq BX	0.55	2,225	0.33
Nasdaq PHLX	0.54	2,179	0.14
Cboe BYX	0.50	2,032	0.66
MIAX Pearl	0.37	1,512	0.27
NYSE American	0.31	1,266	0.12
CHX	0.27	1,092	0.06
NYSE National	0.06	247	0.16
24X National	0.00	0	0.01
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.

ISSC Nutrition Facts

0.81 servings per container

Serving size

500.73K

Calories

404.46K

% Day

% Avg

Off Exchange¹ 163K

40.33%

40.78%

Nasdaq GSM 150K

37.09%

39.19%

NYSE Arca 23K

5.64%

5.79%

Cboe BZX 16K

4.02%

3.52%

IEX 15K

3.80%

3.25%

Cboe EDGX 12K

2.86%

3.22%

NYSE 7K

1.76%

0.97%

MEMX 4K

0.96%

1.09%

Cboe EDGA 4K

0.93%

0.43%

Nasdaq BX 2K

0.55%

0.33%

Nasdaq PHLX 2K

0.54%

0.14%

Cboe BYX 2K

0.50%

0.66%

MIAX Pearl 2K

0.37%

0.27%

NYSE American 1K

0.31%

0.12%

CHX 1K

0.27%

0.06%

NYSE National 247

0.06%

0.16%

24X National 0

0.00%

0.01%

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

ISSC Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 163,101, which is 40.33% of today's total volume.
Today's Lit volume is 241,356, which is 59.67%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 40.78%.
The average Lit volume has been 59.22%.

ISSC Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

Cboe BZX

IEX

Cboe EDGX

NYSE

MEMX

Cboe EDGA

Nasdaq BX

Nasdaq PHLX