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CODX
Co-Diagnostics, Inc. Common Stock
stock NASDAQ

At Close

Jul 28, 2026 3:59:00 PM EDT

1.41USD-30.882%(-0.63)1,814,010

1.19Bid 1.61Ask 0.42Spread

Pre-market

Jul 27, 2026 9:27:30 AM EDT

2.07USD-1.581%(-0.03)0

After-hours

Jul 28, 2026 4:57:30 PM EDT

1.43USD+1.440%(+0.02)15,564

OverviewOptionsHistoricalExchange VolumeShortsMore

CODX Volume Jul 28, 2026

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Exchange	Day%	Volume	30D%
Off Exchange¹	54.27	996,781	53.66
NYSE Arca	11.78	216,388	9.61
Cboe EDGX	11.76	215,974	12.21
Nasdaq GSM	11.06	203,178	14.32
Cboe BZX	3.49	64,021	2.05
MEMX	3.44	63,123	4.07
MIAX Pearl	1.49	27,443	0.86
IEX	0.83	15,225	1.00
Nasdaq BX	0.62	11,421	0.28
Cboe EDGA	0.46	8,386	0.41
NYSE	0.29	5,312	0.52
Cboe BYX	0.27	4,989	0.58
LTSE	0.10	1,825	0.06
NYSE National	0.08	1,395	0.16
24X National	0.04	686	0.05
Nasdaq PHLX	0.04	682	0.10
NYSE American	0.00	2	0.04
CHX	0.00	2	0.02

chartexchange.com

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

CODX Nutrition Facts

3.69 servings per container

Serving size

497.73K

Calories

1.84M

% Day

% Avg

Off Exchange¹ 997K

54.27%

53.66%

NYSE Arca 216K

11.78%

9.61%

Cboe EDGX 216K

11.76%

12.21%

Nasdaq GSM 203K

11.06%

14.32%

Cboe BZX 64K

3.49%

2.05%

MEMX 63K

3.44%

4.07%

MIAX Pearl 27K

1.49%

0.86%

IEX 15K

0.83%

1.00%

Nasdaq BX 11K

0.62%

0.28%

Cboe EDGA 8K

0.46%

0.41%

NYSE 5K

0.29%

0.52%

Cboe BYX 5K

0.27%

0.58%

LTSE 2K

0.10%

0.06%

NYSE National 1K

0.08%

0.16%

24X National 686

0.04%

0.05%

Nasdaq PHLX 682

0.04%

0.10%

NYSE American 2

0.00%

0.04%

CHX 2

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

CODX Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 996,781, which is 54.27% of today's total volume.
Today's Lit volume is 840,052, which is 45.73%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 53.66%.
The average Lit volume has been 46.34%.

CODX Volume by Exchange

Off Exchange

NYSE Arca

Cboe EDGX

Nasdaq GSM

Cboe BZX

MEMX

MIAX Pearl

IEX

Nasdaq BX

Cboe EDGA

NYSE