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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

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Oct 16, 2026 Nov 20, 2026 Dec 18, 2026 Jan 15, 2027 Feb 19, 2027 Mar 19, 2027 May 21, 2027 Jun 17, 2027 Sep 17, 2027 Jan 21, 2028 Jan 19, 2029

ITM/OTM for May 21, 2027View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
0	85	3	5

BLDR May 21, 2027 Exp. - Volume by Strike

Puts

Calls

BLDR May 21, 2027 Exp. - Open Interest by Strike

Puts

Calls

BLDR May 21, 2027 Exp. - Max Pain @ $80.00

Puts

Calls

BLDR May 21, 2027 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
90 C	3.70	+5.71%	15	17	09-23	BLDR270521C00090000
85 C	0	0%	0			BLDR270521C00085000
80 C	4.90	-14.78%	5	68	09-24	BLDR270521C00080000
75 C	0	0%	0			BLDR270521C00075000
70 C	0	0%	0			BLDR270521C00070000
65 C	0	0%	0			BLDR270521C00065000
60 C	0	0%	0			BLDR270521C00060000
55 C	0	0%	0			BLDR270521C00055000
50 C	0	0%	0			BLDR270521C00050000
45 C	0	0%	0			BLDR270521C00045000
40 C	0	0%	0			BLDR270521C00040000
35 C	0	0%	0			BLDR270521C00035000
30 C	0	0%	0			BLDR270521C00030000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
90 P	0	0%	0			BLDR270521P00090000
85 P	28.88	0%	2	2	09-28	BLDR270521P00085000
80 P	0	0%	0			BLDR270521P00080000
75 P	0	0%	0			BLDR270521P00075000
70 P	0	0%	0			BLDR270521P00070000
65 P	13.57	0%	1	1	09-25	BLDR270521P00065000
60 P	0	0%	0			BLDR270521P00060000
55 P	8.10	0%	2	2	09-18	BLDR270521P00055000
50 P	0	0%	0			BLDR270521P00050000
45 P	3.40	0%	1	1	09-17	BLDR270521P00045000
40 P	0	0%	0			BLDR270521P00040000
35 P	1.50	0%	2	2	09-18	BLDR270521P00035000
30 P	0	0%	0			BLDR270521P00030000

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