Builders FirstSource Stock Plummets -13% With 6-Day Losing Streak
Builders FirstSource (BLDR) – a supplier of building materials, components, and construction services – hit a 6-day losing streak, with cumulative losses over this period amounting to -13%. The company’s market cap has crashed by about $1.3 Bil over the last 6 days and currently stands at $8.7 Bil.
Is this an opportunity or a trap? There is a lot to fear in BLDR stock given its overall Very Weak operating performance and financial condition. This isn’t appropriately reflected in the stock’s Moderate valuation which is why we think it is Very Unattractive (For details, see Buy or Sell BLDR).
But here is the interesting part. You are reading about this -13% move after it happened. The market has already priced in the news. To manage individual stock risk before the headlines, you need predictive signals, not notifications. High Quality Portfolio has a risk model designed to manage stock-specific drawdowns better.
Returns vs S&P 500
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The following table summarizes the return for BLDR stock vs. the S&P 500 index over different periods, including the current streak:
| Return Period | BLDR | S&P 500 |
|---|---|---|
| 1D | -5.1% | 1.0% |
| 6D (Current Streak) | -12.7% | 1.0% |
| 1M (21D) | -3.9% | 10.4% |
| 3M (63D) | -31.4% | 3.4% |
| YTD 2026 | -23.1% | 5.3% |
| 2025 | -28.0% | 16.4% |
| 2024 | -14.4% | 23.3% |
| 2023 | 157.3% | 24.2% |
Take a look at what history tells you about whether past dips like this have been buying opportunities or traps: BLDR Dip Buyer Analysis.
Gains and Losses Streaks: S&P 500 Constituents
There are currently 38 S&P constituents with 3 days or more of consecutive gains and 26 constituents with 3 days or more of consecutive losses.
| Consecutive Days | # of Gainers | # of Losers |
|---|---|---|
| 3D | 23 | 15 |
| 4D | 11 | 3 |
| 5D | 3 | 0 |
| 6D | 0 | 4 |
| 7D or more | 1 | 4 |
| Total >=3 D | 38 | 26 |
Key Financials for Builders FirstSource (BLDR)
Last 2 Fiscal Years:
| Metric | FY2024 | FY2025 |
|---|---|---|
| Revenues | $16.4 Bil | $15.2 Bil |
| Operating Income | $1.6 Bil | $786.3 Mil |
| Net Income | $1.1 Bil | $435.2 Mil |
Last 2 Fiscal Quarters:
| Metric | 2025 FQ4 | 2026 FQ1 |
|---|---|---|
| Revenues | $3.4 Bil | $3.3 Bil |
| Operating Income | $61.8 Mil | $16.5 Mil |
| Net Income | $31.5 Mil | $-47.4 Mil |
The losing streak BLDR stock is currently on doesn’t inspire much confidence among investors. In contrast, Trefis High Quality (HQ) Portfolio, with a collection of 30 stocks, has a track record of comfortably outperforming its benchmark that includes all 3 — the S&P 500, S&P mid-cap, and Russell 2000 indices. Why is that? As a group, HQ Portfolio stocks provided better returns with less risk versus the benchmark index; less of a roller-coaster ride, as evident in HQ Portfolio performance metrics.