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

At Close

Sep 25, 2026 3:59:57 PM EDT

380.88USD-1.719%(-6.66)253,583

335.73Bid 423.09Ask 87.36Spread

Pre-market

0.00USD-100.000%(-387.54)0

After-hours

Sep 22, 2026 4:10:30 PM EDT

379.57USD-0.021%(-0.08)0

OverviewOptionsHistoricalDark Pool PrintsShortsMore

BIO Volume Sep 25, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	35.81	90,785	42.07
NYSE	29.45	74,670	28.85
IEX	8.45	21,424	6.84
NYSE Arca	8.36	21,190	3.56
Nasdaq GSM	6.02	15,264	9.05
Cboe BZX	5.45	13,814	4.90
Cboe EDGX	2.23	5,645	1.76
Cboe BYX	1.37	3,481	0.75
NYSE National	0.66	1,683	0.26
Cboe EDGA	0.64	1,631	0.38
MEMX	0.56	1,430	0.57
MIAX Pearl	0.37	944	0.22
Nasdaq BX	0.32	816	0.32
Nasdaq PHLX	0.16	405	0.17
CHX	0.09	237	0.07
NYSE American	0.05	116	0.16
LTSE	0.00	0	0.06
Texas Stock Exchange LLC	0.00	0	0.01
24X National	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

0.96 servings per container

Serving size

265.10K

Calories

253.54K

% Day

% Avg

Off Exchange¹ 91K

35.81%

42.07%

NYSE 75K

29.45%

28.85%

IEX 21K

8.45%

6.84%

NYSE Arca 21K

8.36%

3.56%

Nasdaq GSM 15K

6.02%

9.05%

Cboe BZX 14K

5.45%

4.90%

Cboe EDGX 6K

2.23%

1.76%

Cboe BYX 3K

1.37%

0.75%

NYSE National 2K

0.66%

0.26%

Cboe EDGA 2K

0.64%

0.38%

MEMX 1K

0.56%

0.57%

MIAX Pearl 944

0.37%

0.22%

Nasdaq BX 816

0.32%

Nasdaq PHLX 405

0.16%

0.17%

CHX 237

0.09%

0.07%

NYSE American 116

0.05%

0.16%

LTSE 0

0.00%

0.06%

Texas Stock Exchange LLC 0

0.00%

0.01%

24X National 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 90,785, which is 35.81% of today's total volume.
Today's Lit volume is 162,750, which is 64.19%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 42.07%.
The average Lit volume has been 57.93%.

BIO Volume by Exchange

Off Exchange

NYSE

IEX

NYSE Arca

Nasdaq GSM

Cboe BZX

Cboe EDGX

Cboe BYX

NYSE National

Cboe EDGA

MEMX