Dark

BLDR
Builders FirstSource, Inc.
stock NYSE

At Close

Sep 30, 2026 3:59:57 PM EDT

57.01USD-0.913%(-0.52)2,136,987

54.53Bid 60.63Ask 6.10Spread

Pre-market

Sep 30, 2026 8:36:30 AM EDT

58.22USD+1.199%(+0.69)181

After-hours

Sep 30, 2026 4:54:30 PM EDT

57.01USD+0.009%(0.00)1,900

OverviewOptionsHistoricalExchange VolumeShortsMore

BLDR Volume Sep 30, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	50.39	1,075,791	44.65
NYSE	23.60	503,814	34.75
IEX	6.69	142,934	4.34
Nasdaq GSM	6.25	133,423	6.58
NYSE Arca	5.21	111,323	2.78
Cboe BZX	3.67	78,261	3.39
Cboe EDGX	1.71	36,473	1.33
MEMX	0.69	14,790	0.64
Cboe EDGA	0.41	8,790	0.36
Cboe BYX	0.38	8,105	0.37
NYSE National	0.25	5,371	0.17
Nasdaq BX	0.23	5,005	0.15
MIAX Pearl	0.23	4,887	0.15
CHX	0.10	2,115	0.06
Nasdaq PHLX	0.09	2,017	0.11
NYSE American	0.08	1,669	0.09
Texas Stock Exchange LLC	0.01	257	0.07
24X National	0.00	0	0.00
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

0.68 servings per container

Serving size

3.14M

Calories

2.14M

% Day

% Avg

Off Exchange¹ 1M

50.39%

44.65%

NYSE 504K

23.60%

34.75%

IEX 143K

6.69%

4.34%

Nasdaq GSM 133K

6.25%

6.58%

NYSE Arca 111K

5.21%

2.78%

Cboe BZX 78K

3.67%

3.39%

Cboe EDGX 36K

1.71%

1.33%

MEMX 15K

0.69%

0.64%

Cboe EDGA 9K

0.41%

0.36%

Cboe BYX 8K

0.38%

0.37%

NYSE National 5K

0.25%

0.17%

Nasdaq BX 5K

0.23%

0.15%

MIAX Pearl 5K

0.23%

0.15%

CHX 2K

0.10%

0.06%

Nasdaq PHLX 2K

0.09%

0.11%

NYSE American 2K

0.08%

0.09%

Texas Stock Exchange LLC 257

0.01%

0.07%

24X National 0

0.00%

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 1,075,791, which is 50.39% of today's total volume.
Today's Lit volume is 1,059,234, which is 49.61%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 44.65%.
The average Lit volume has been 55.35%.

BLDR Volume by Exchange

Off Exchange

NYSE

IEX

Nasdaq GSM

NYSE Arca

Cboe BZX

Cboe EDGX

MEMX

Cboe EDGA

Cboe BYX

NYSE National