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Why is $BLDR stock down today?

Builders FirstSource, Inc. · RETAIL-LUMBER & OTHER BUILDING MATERIALS DEALERS

Why is $BLDR down today?

The likely driver

Builders FirstSource, Inc.: Q3 FY2026 results, three months to Sep 30, 2026
Builders FirstSource, Inc.: Q3 FY2026 results, three months to Sep 30, 2026
SEC filing · Oct 29
Price
$62.98
Move today
-1.9%
Volume vs avg
0.0x
Scanner alerts today
2
Flagged in 30 days
128
Market cap
$7.0B
Prev close
$64.22
Avg volume
2.8M

Catch the next move like BLDR before the open

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Today’s scanner timeline

  • 11:03 AMUnusual volume (RVOL) alert
  • 10:20 AMUnusual volume (RVOL) alert

Unusual-volume alerts often fire before the news is widely reported. This is when our scanner first flagged BLDR today.

Earlier scanner activity on BLDR

  • Nov 5Unusual volume (RVOL) alert
  • Nov 5Unusual volume (RVOL) alert
  • Nov 5Unusual volume (RVOL) alert
  • Nov 5Big % mover alert
  • Nov 4Unusual volume (RVOL) alert
  • Nov 4Unusual volume (RVOL) alert
  • Nov 4Unusual volume (RVOL) alert
  • Nov 4Unusual volume (RVOL) alert
  • Nov 4Big % mover alert
  • Nov 3Big % mover alert
  • Nov 3Unusual volume (RVOL) alert
  • Nov 3Unusual volume (RVOL) alert

Prior sessions in the last 30 days. A name our scanner keeps flagging is behaving differently from the rest of the market, even on a quiet day.

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Other stocks moving today

Each opens that stock’s own why-is-it-moving page.

Move and volume are based on the latest market data and refresh live on this page. Scanner alerts are our own real-time unusual-volume signals. This is research, not investment advice.