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BIO
Bio-Rad Laboratories, Inc.Class A
stock NYSE

At Close

Aug 10, 2026 3:59:53 PM EDT

354.79USD+0.658%(+2.32)221,091

312.52Bid 398.27Ask 85.75Spread

Pre-market

Aug 5, 2026 8:49:30 AM EDT

332.00USD-3.046%(-10.43)0

After-hours

Aug 7, 2026 4:10:30 PM EDT

352.47USD+0.089%(+0.32)0

OverviewOptionsHistoricalExchange VolumeShortsMore

BIO Volume Aug 10, 2026

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Exchange	Day%	Volume	30D%
Off Exchange¹	53.83	85,134	42.58
Nasdaq GSM	11.95	18,907	8.98
NYSE	10.29	16,267	30.47
Cboe BZX	7.25	11,464	3.61
IEX	6.44	10,189	5.96
NYSE Arca	3.38	5,348	2.93
Cboe EDGX	2.31	3,649	1.73
Cboe BYX	1.79	2,824	0.72
MEMX	1.03	1,628	0.94
Nasdaq BX	0.44	703	0.52
Cboe EDGA	0.42	667	0.39
Nasdaq PHLX	0.34	542	0.27
MIAX Pearl	0.31	487	0.23
NYSE American	0.09	137	0.19
CHX	0.07	110	0.07
NYSE National	0.07	106	0.36
LTSE	0.00	0	0.04
24X National	0.00	0	0.00
Texas Stock Exchange LLC	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.

BIO Nutrition Facts

0.51 servings per container

Serving size

309.38K

Calories

158.16K

% Day

% Avg

Off Exchange¹ 85K

53.83%

42.58%

Nasdaq GSM 19K

11.95%

8.98%

NYSE 16K

10.29%

30.47%

Cboe BZX 11K

7.25%

3.61%

IEX 10K

6.44%

5.96%

NYSE Arca 5K

3.38%

2.93%

Cboe EDGX 4K

2.31%

1.73%

Cboe BYX 3K

1.79%

0.72%

MEMX 2K

1.03%

0.94%

Nasdaq BX 703

0.44%

0.52%

Cboe EDGA 667

0.42%

0.39%

Nasdaq PHLX 542

0.34%

0.27%

MIAX Pearl 487

0.31%

0.23%

NYSE American 137

0.09%

0.19%

CHX 110

0.07%

NYSE National 106

0.07%

0.36%

LTSE 0

0.00%

0.04%

24X National 0

0.00%

Texas Stock Exchange LLC 0

0.00%

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

chartexchange.com

BIO Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 85,134, which is 53.83% of today's total volume.
Today's Lit volume is 73,028, which is 46.17%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 42.58%.
The average Lit volume has been 57.42%.

BIO Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE

Cboe BZX

IEX

NYSE Arca

Cboe EDGX

Cboe BYX

MEMX

Nasdaq BX

Cboe EDGA