Dark

CDIO
Cardio Diagnostics Holdings Inc. Common stock
stock NASDAQ

At Close

Sep 16, 2025 3:59:30 PM EDT

3.89USD+3.680%(+0.14)33,545

3.88Bid 3.94Ask 0.06Spread

Pre-market

0.00USD-100.000%(-3.75)0

After-hours

0.00USD0.000%(0.00)0

OverviewHistoricalDark Pool LevelsShortsTrends

CDIO Volume Sep 16, 2025

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	52.87	17,746	61.98
Nasdaq GSM	27.74	9,309	18.24
Cboe BZX	7.26	2,437	1.65
NYSE Arca	6.43	2,157	8.45
Cboe EDGX	3.55	1,190	5.28
Cboe BYX	0.63	211	0.60
Nasdaq BX	0.60	200	0.26
IEX	0.60	200	0.85
MEMX	0.34	114	1.04
Nasdaq PHLX	0.00	0	0.86
MIAX Pearl	0.00	0	0.34
Cboe EDGA	0.00	0	0.16
NYSE National	0.00	0	0.11
CHX	0.00	0	0.06
NYSE	0.00	0	0.05
LTSE	0.00	0	0.05
NYSE American	0.00	0	0.02

chartexchange.com

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

CDIO Nutrition Facts

1.12 servings per container

Serving size

30.10K

Calories

33.56K

% Day

% Avg

Off Exchange¹ 18K

52.87%

61.98%

Nasdaq GSM 9K

27.74%

18.24%

Cboe BZX 2K

7.26%

1.65%

NYSE Arca 2K

6.43%

8.45%

Cboe EDGX 1K

3.55%

5.28%

Cboe BYX 211

0.63%

0.60%

Nasdaq BX 200

0.60%

0.26%

IEX 200

0.60%

0.85%

MEMX 114

0.34%

1.04%

Nasdaq PHLX 0

0.00%

0.86%

MIAX Pearl 0

0.00%

0.34%

Cboe EDGA 0

0.00%

0.16%

NYSE National 0

0.00%

0.11%

CHX 0

0.00%

0.06%

NYSE 0

0.00%

0.05%

LTSE 0

0.00%

0.05%

NYSE American 0

0.00%

0.02%

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

chartexchange.com

CDIO Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 17,746, which is 52.87% of today's total volume.
Today's Lit volume is 15,818, which is 47.13%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 61.98%.
The average Lit volume has been 38.02%.

CDIO Volume by Exchange

Off Exchange

Nasdaq GSM

Cboe BZX

NYSE Arca

Cboe EDGX

Cboe BYX

IEX

Nasdaq BX

MEMX

NYSE National

Nasdaq PHLX