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Builders FirstSource, Inc. (BLDR) Corporate Logo

Builders FirstSource, Inc. (BLDR) Stock Price & Analysis

Market: NYSE • Sector: Industrials • Industry: Construction

Builders FirstSource, Inc. (BLDR) Profile & Business Summary

Builders FirstSource, Inc., together with its subsidiaries, manufactures and supplies building materials, manufactured components, and construction services to professional homebuilders, sub-contractors, remodelers, and consumers in the United States. It offers lumber and lumber sheet goods comprising dimensional lumber, plywood, and oriented strand board products that are used in on-site house framing; manufactured products, such as wood floor and roof trusses, steel roof trusses, wall panels, stairs, and engineered wood products; and windows, and interior and exterior door units, as well as interior and exterior trims and custom products under the Synboard brand name. The company also offers gypsum, roofing, and insulation products, including wallboards, ceilings, joint treatments, and finishes; and siding, metal, and concrete products, such as vinyl, composite, and wood siding products, as well as exterior trims, other exteriors, metal studs, and cement products. In addition, it provides other building products and services, such as cabinets and hardware, as well as turn-key framing, shell construction, design assistance, and professional installation services. The company was formerly known as BSL Holdings, Inc. and changed its name to Builders FirstSource, Inc. in October 1999. Builders FirstSource, Inc. was founded in 1998 and is based in Dallas, Texas.

Key Information

Ticker BLDR
Exchange NYSE
Official Site https://www.bldr.com
CIK Number 0001316835
View SEC Filings

Market Trend Overview for BLDR

One model, two time views: what the market looks like right now, and where the larger trend is heading over time.

Longer-Term Market Trend (Mid to Long Term)

Shows the bigger market trend, how strong it is, and where risks may start to build over the next few weeks or months. — Updated as of 2026-08-17 (ET)

As of 2026-08-17, BLDR is moving sideways without a clear direction. Over the longer term, the trend remains bearish.

BLDR last closed at 70.21. The price is about 0.6 ATR below its recent average price (72.76), and the market is currently in a sideways market without a clear direction. Price at 70.21 is moving between minor support near 69.00 and light resistance near 75.72. Direction remains unclear. View Support & Resistance from Options

The market is moving sideways, with no clear direction. Both upside and downside risks remain in play.

Trend Alignment Summary

Trend score: 35 out of 100. Overall alignment is unclear. The market is currently in a sideways market without a clear direction. The longer-term trend is still negative, but short-term signals are not yet confirming it.

Key Risk Level

There is no clear key risk boundary right now.

Recent Trend Signal

On 2026-07-08, trend conditions deteriorated, suggesting that moves in the prior direction became less dependable.

Unusual Price Movement

[2026-08-12] Price moved quickly and looked strong, but participation was limited.

Recent Price Behavior

Recent bars show mixed price behavior without a clear shift in structural quality or efficiency.

Overnight Positioning

There was no clear sign of meaningful positions being carried into the overnight session.

Next-day directional probability forecast Last updated: 2026-08-17 (ET)
Next-session outlook for 2026-08-18 (ET)
Bearish lean, but not actionable

What the model sees

The model still sees a directional lean, but the edge is not thick enough after adjusting for reward/risk.


Why the model says this

The model does not deploy this setup because the directional lean exists, but the edge is still not thick enough after risk adjustment, reward/risk remains too thin at -0.13 after adjustment, and price is still close to a gamma transition zone. Predictability is 54%, agreement is 93%, and reversal risk is 24%.

NOTE: This next-day up/down probability forecast module is still being tested for accuracy. Please do not rely on it for investment decisions. The model does not account for black swan events or company-specific fundamental news, and its estimates are based solely on technical conditions, capital flow, and market sentiment. View forecast history

Recent Cost Distribution Last updated: 2026-08-17 (ET)

This estimate uses 1-minute price, volume, and VWAP data from the last 18 trading days, with turnover-based decay. The sample period is 2026-07-23 to 2026-08-17. The current price is 70.21, 1.48% below the estimated average cost of 71.26. An estimated 35.6% of recent positioning is below the current price, while 63.9% is above it. The peak-density price is 72.45. The largest concentrated cost region is 71.62 to 74.08 and contains 36.4% of the estimated distribution. The current price is within the 69.38 to 70.28 cost region. The nearest region below the current price is 69.02 to 69.23. The nearest region above the current price is 71.62 to 74.08.

Short Interest & Covering Risk for BLDR

This analysis looks at overall short interest positioning, focusing on the broader setup rather than short-term noise.

Squeeze Score 0.80

Shows how likely a short squeeze may be under current market conditions.

Key Market Risk Indicators
Short Crowding (Short Interest / Float) 7.75%
Short Positions Trend Increasing
Liquidity Trend (Average Daily Volume) -0.91%
20-Day Return -3.43%
Price vs 20-Day High Below Recent Highs

Short Exposure Percentile

Short interest is within its typical range, with no clear imbalance between buyers and sellers. (Historical percentile: 44%)

Structure Analysis

BLDR Short positioning looks normal. Current days to cover is 3.0 trading days, meaning short positions could unwind at a normal pace. Short covering is likely to have a normal impact on price moves. No meaningful structural fragility is currently detected (Fragility Score 13/100, DTC percentile 64%) with short positioning continuing to expand.

Risk Summary

No clear bull trap characteristics detected. Recent price behavior remains broadly consistent with current positioning.This reading helps confirm that current price action remains structurally healthy and does not indicate elevated trap risk.

Why Price Reactions May Be Stronger?

In the latest reporting period, short interest continues to increase. Adaptive thresholds applied to liquidity weakness, near-high detection, and compression sensitivity. As a result, similar news or market events could lead to price moves about 1× larger than usual.


Note: Short interest data is reported every two weeks by FINRA. The most recent snapshot is 2026-07-31 (ET).
Because this data updates slowly, it is not intended to predict short-term price moves. Instead, it helps describe longer-term market structure and where pressure may be building if prices begin to move.

Analytical Modules