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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

0.00Bid 0.00Ask 0.00Spread

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 Nov 20, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
15	3,403	2,744	880

BLDR Nov 20, 2026 Exp. - Volume by Strike

Puts

Calls

BLDR Nov 20, 2026 Exp. - Open Interest by Strike

Puts

Calls

BLDR Nov 20, 2026 Exp. - Max Pain @ $75.00

Puts

Calls

BLDR Nov 20, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
135 C	0.35	-63.16%	2	3	08-03	BLDR261120C00135000
130 C	0.15	-60.53%	5	6	08-26	BLDR261120C00130000
125 C	0.30	-88.89%	1	125	08-18	BLDR261120C00125000
120 C	1.00	-66.67%	7	60	08-07	BLDR261120C00120000
115 C	0.05	-82.76%	3	279	09-29	BLDR261120C00115000
110 C	0.24	-31.43%	5	39	09-02	BLDR261120C00110000
105 C	0.10	-66.67%	2	14	09-17	BLDR261120C00105000
100 C	0.15	0.00%	7	49	09-18	BLDR261120C00100000
95 C	0.20	-63.64%	2	428	09-18	BLDR261120C00095000
90 C	0.15	-11.76%	1	193	09-29	BLDR261120C00090000
85 C	0.25	-21.88%	1	211	09-28	BLDR261120C00085000
80 C	0.50	-28.57%	4	146	09-29	BLDR261120C00080000
75 C	0.90	-20.35%	10	387	09-28	BLDR261120C00075000
70 C	1.47	-8.70%	22	479	09-29	BLDR261120C00070000
65 C	2.55	-5.56%	18	712	09-29	BLDR261120C00065000
60 C	4.30	-3.15%	64	272	09-29	BLDR261120C00060000
55 C	7.30	+2.82%	3	7	09-24	BLDR261120C00055000
50 C	10.50	-69.39%	1	2	09-28	BLDR261120C00050000
45 C	0	0%	0			BLDR261120C00045000
40 C	20.00	-2.44%	2	6	09-17	BLDR261120C00040000
35 C	0	0%	0			BLDR261120C00035000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
135 P	64.59	0%	101	101	05-13	BLDR261120P00135000
130 P	62.10	+3.43%	134	78	07-30	BLDR261120P00130000
125 P	58.73	+6.68%	107	54	07-30	BLDR261120P00125000
120 P	52.56	+24.55%	15	17	07-30	BLDR261120P00120000
115 P	47.42	+2.42%	45	45	08-27	BLDR261120P00115000
110 P	46.05	+6.84%	71	157	09-01	BLDR261120P00110000
105 P	41.03	+5.83%	101	100	09-08	BLDR261120P00105000
100 P	40.70	+6.88%	103	215	09-10	BLDR261120P00100000
95 P	36.68	+6.32%	33	133	09-17	BLDR261120P00095000
90 P	32.44	+5.29%	125	109	09-28	BLDR261120P00090000
85 P	27.38	+3.91%	270	221	09-28	BLDR261120P00085000
80 P	22.53	+7.29%	137	190	09-28	BLDR261120P00080000
75 P	18.00	-3.23%	2	542	09-25	BLDR261120P00075000
70 P	13.00	-2.62%	7	260	09-29	BLDR261120P00070000
65 P	9.50	0.00%	6	306	09-29	BLDR261120P00065000
60 P	6.40	+4.23%	3	216	09-29	BLDR261120P00060000
55 P	3.72	-2.11%	6	236	09-29	BLDR261120P00055000
50 P	1.95	+2.63%	5	387	09-29	BLDR261120P00050000
45 P	0.85	-5.56%	5	168	09-29	BLDR261120P00045000
40 P	0.25	-16.67%	2	77	09-23	BLDR261120P00040000
35 P	0.10	+100.00%	1	12	09-18	BLDR261120P00035000

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