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ALTS
ALT5 Sigma Corporation Common Stock
stock NASDAQ

Market Open

Apr 16, 2026 2:33:16 PM EDT

0.9800USD-2.100%(-0.0200)1,213,404

0.9800Bid 0.9800Ask 0.0000Spread

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 PrintsShortsMore

ALTS Volume Apr 16, 2026 2:15:00 PM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	59.40	706,139	61.88
Nasdaq GSM	10.98	130,561	16.50
NYSE Arca	10.07	119,700	6.15
Cboe BZX	3.59	42,668	2.40
MEMX	3.52	41,814	1.27
Cboe EDGA	3.51	41,745	0.71
Cboe EDGX	2.89	34,373	3.79
IEX	2.61	31,017	3.20
NYSE	1.12	13,333	1.89
Cboe BYX	0.88	10,484	0.47
MIAX Pearl	0.86	10,228	0.71
24X National	0.21	2,500	0.04
Nasdaq BX	0.14	1,712	0.23
NYSE National	0.11	1,310	0.36
Nasdaq PHLX	0.04	530	0.17
NYSE American	0.04	433	0.14
CHX	0.03	338	0.07
LTSE	0.00	0	0.01

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

ALTS Nutrition Facts

0.50 servings per container

Serving size

2.40M

Calories

1.19M

% Day

% Avg

Off Exchange¹ 706K

59.40%

61.88%

Nasdaq GSM 131K

10.98%

16.50%

NYSE Arca 120K

10.07%

6.15%

Cboe BZX 43K

3.59%

2.40%

MEMX 42K

3.52%

1.27%

Cboe EDGA 42K

3.51%

0.71%

Cboe EDGX 34K

2.89%

3.79%

IEX 31K

2.61%

3.20%

NYSE 13K

1.12%

1.89%

Cboe BYX 10K

0.88%

0.47%

MIAX Pearl 10K

0.86%

0.71%

24X National 3K

0.21%

0.04%

Nasdaq BX 2K

0.14%

0.23%

NYSE National 1K

0.11%

0.36%

Nasdaq PHLX 530

0.04%

0.17%

NYSE American 433

0.04%

0.14%

CHX 338

0.03%

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 706,139, which is 59.40% of today's total volume.
Today's Lit volume is 482,746, which is 40.60%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 61.88%.
The average Lit volume has been 38.12%.

ALTS Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

Cboe BZX

MEMX

Cboe EDGA

Cboe EDGX

IEX

NYSE

Cboe BYX

MIAX Pearl