Builders FirstSource, Inc.

1. 01

   Behind SPY and its sector fund XLY over 1 year

   1 month: +23.6% (SPY −1.6%, XLY +9.5%). 3 months: −8.4% (SPY −0.4%, XLY +3.1%). 1 year: −36.7% (SPY +13.6%, XLY +2.7%). Price change to the 4 Nov 2026 close; dividends excluded.

   Daily closes, split-adjusted: BLDR, SPY and XLY · as of 4 Nov 2026

2. 02

   Rose 9.3% on 4 Nov 2026

   The 4 Nov 2026 gain of 9.3% was 3.7× its average daily move of 2.5% over the past year, and its largest one-day gain since 29 Oct 2026.

   Daily closes, split-adjusted · as of 4 Nov 2026

3. 03

   Above its 50-day average, below its 200-day

   The 4 Nov 2026 close of $69.50 was 17.6% above its 50-day average ($59.09) and 12.4% below its 200-day average ($79.32). It has closed below the 200-day for 183 sessions, since 13 Feb 2026. The 50-day average crossed below the 200-day on 31 Oct 2025, 253 sessions ago.

   Daily closes, split-adjusted; 50- and 200-session simple averages · as of 4 Nov 2026

4. 04

   24% of the way up its 52-week range

   Closed at $69.50 on 4 Nov 2026: 47.1% below the 52-week high of $131.50 (16 Jan 2026) and 39.9% above the low of $49.67 (14 Oct 2026).

   Daily price bars, split-adjusted · as of 4 Nov 2026

5. 05

   Volume 1.6× its 30-session average on 4 Nov 2026

   4 Nov 2026 volume of 4.2M shares was 1.6× the average of the 30 sessions before it (2.6M), as the price rose 9.3%. SPY traded 1.5× its own average that session.

   Daily volume against a 30-session baseline · as of 4 Nov 2026

At the 4 Nov 2026 close