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ALTS
ALT5 Sigma Corporation Common Stock
stock NASDAQ

Market Open

Apr 16, 2026 12:54:06 PM EDT

0.9700USD-2.860%(-0.0300)1,095,183

0.8800Bid 0.9700Ask 0.0900Spread

Pre-market

Apr 16, 2026 9:27:30 AM EDT

1.01USD+1.000%(+0.01)30,714

After-hours

Apr 15, 2026 4:58:30 PM EDT

1.01USD+0.498%(+0.01)0

OverviewOptionsHistoricalDark Pool LevelsShortsMore

ALTS Volume Apr 16, 2026 12:34:50 PM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	57.49	549,755	61.86
Nasdaq GSM	11.17	106,782	16.52
NYSE Arca	10.75	102,767	6.14
Cboe BZX	3.91	37,389	2.40
MEMX	3.90	37,304	1.27
Cboe EDGA	3.50	33,438	0.70
Cboe EDGX	3.17	30,272	3.79
IEX	2.24	21,409	3.20
NYSE	1.17	11,190	1.89
Cboe BYX	1.10	10,484	0.47
MIAX Pearl	0.96	9,143	0.71
24X National	0.26	2,500	0.04
Nasdaq BX	0.15	1,413	0.23
NYSE National	0.12	1,110	0.37
Nasdaq PHLX	0.06	530	0.17
NYSE American	0.04	400	0.14
CHX	0.04	338	0.07
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.

ALTS Nutrition Facts

0.40 servings per container

Serving size

2.40M

Calories

956.22K

% Day

% Avg

Off Exchange¹ 550K

57.49%

61.86%

Nasdaq GSM 107K

11.17%

16.52%

NYSE Arca 103K

10.75%

6.14%

Cboe BZX 37K

3.91%

2.40%

MEMX 37K

3.90%

1.27%

Cboe EDGA 33K

3.50%

0.70%

Cboe EDGX 30K

3.17%

3.79%

IEX 21K

2.24%

3.20%

NYSE 11K

1.17%

1.89%

Cboe BYX 10K

1.10%

0.47%

MIAX Pearl 9K

0.96%

0.71%

24X National 3K

0.26%

0.04%

Nasdaq BX 1K

0.15%

0.23%

NYSE National 1K

0.12%

0.37%

Nasdaq PHLX 530

0.06%

0.17%

NYSE American 400

0.04%

0.14%

CHX 338

0.04%

0.07%

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

ALTS Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 549,755, which is 57.49% of today's total volume.
Today's Lit volume is 406,469, which is 42.51%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 61.86%.
The average Lit volume has been 38.14%.

ALTS Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

Cboe BZX

MEMX

Cboe EDGA

Cboe EDGX

IEX

NYSE

Cboe BYX

MIAX Pearl