Dark

BLDR
Builders FirstSource, Inc.
stock NYSE

At Close

Jul 27, 2026 3:59:59 PM EDT

72.73USD-0.178%(-0.13)1,641,992

69.68Bid 76.77Ask 7.09Spread

Pre-market

Jul 24, 2026 8:29:30 AM EDT

71.00USD-2.553%(-1.86)0

After-hours

Jul 27, 2026 4:10:30 PM EDT

72.72USD-0.014%(-0.01)238,374

OverviewOptionsHistoricalExchange VolumeShortsMore

BLDR Volume Jul 27, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	46.18	753,836	44.78
NYSE	25.35	413,743	27.72
Nasdaq GSM	11.96	195,228	9.38
IEX	4.79	78,185	5.71
Cboe BZX	3.85	62,919	4.46
NYSE Arca	3.32	54,147	3.26
Cboe EDGX	1.79	29,241	1.64
MEMX	1.19	19,361	0.85
Cboe EDGA	0.36	5,900	0.43
Cboe BYX	0.28	4,573	0.52
Nasdaq BX	0.26	4,321	0.34
NYSE National	0.22	3,593	0.35
Nasdaq PHLX	0.14	2,268	0.11
MIAX Pearl	0.12	1,946	0.18
NYSE American	0.10	1,696	0.18
CHX	0.08	1,247	0.07
Texas Stock Exchange LLC	0.01	200	0.00
24X National	0.00	0	0.01
LTSE	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.

BLDR Nutrition Facts

0.73 servings per container

Serving size

2.25M

Calories

1.63M

% Day

% Avg

Off Exchange¹ 754K

46.18%

44.78%

NYSE 414K

25.35%

27.72%

Nasdaq GSM 195K

11.96%

9.38%

IEX 78K

4.79%

5.71%

Cboe BZX 63K

3.85%

4.46%

NYSE Arca 54K

3.32%

3.26%

Cboe EDGX 29K

1.79%

1.64%

MEMX 19K

1.19%

0.85%

Cboe EDGA 6K

0.36%

0.43%

Cboe BYX 5K

0.28%

0.52%

Nasdaq BX 4K

0.26%

0.34%

NYSE National 4K

0.22%

0.35%

Nasdaq PHLX 2K

0.14%

0.11%

MIAX Pearl 2K

0.12%

0.18%

NYSE American 2K

0.10%

0.18%

CHX 1K

0.08%

0.07%

Texas Stock Exchange LLC 200

0.01%

0.00%

24X National 0

0.00%

0.01%

LTSE 0

0.00%

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

chartexchange.com

BLDR Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 753,836, which is 46.18% of today's total volume.
Today's Lit volume is 878,568, which is 53.82%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 44.78%.
The average Lit volume has been 55.22%.

BLDR Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

IEX

Cboe BZX

NYSE Arca

Cboe EDGX

MEMX

Cboe EDGA

Cboe BYX

Nasdaq BX