BLDR monthly performance report
Monthly BLDR research: returns, drawdown, relative strength, seasonality, and key stats.
BLDR monthly report
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Key takeaways
- Builders FirstSource (BLDR) closed September 2026 at $63.09, down 4.98% for the month and −54.07% over the trailing 12 months.
- Year-to-date, BLDR is −38.68%, underperforming the S&P 500 which has returned +12.21% YTD.
- The stock is trading −30.65% versus its 200-day moving average ($90.97), a cautious technical signal.
- Over the past three years, BLDR has underperformed the S&P 500 by −127.17%, with a relative strength index reading of 27.1.
- Win rate over the trailing 39 months stands at 43.6% — 17 positive months versus 22 negative months.
Builders FirstSource ended September 2026 at $63.09, posting a monthly return of −4.98%. The S&P 500 returned −0.25% over the same window, leaving relative performance at −4.74%.
The current quarter stands at −33.95% (Q3 2026 (QTD)), while medium-term trend remains soft: price is −30.65% versus the 200-day moving average ($90.97).
Year-to-date, BLDR is −38.68% against SPY +12.21%, a gap of −50.89%. The stock is currently −58.23% below its 52-week high, with maximum 3-year drawdown at −70.26%.
| Period | BLDR | S&P 500 (SPY) | Excess return |
|---|---|---|---|
| 1 Day | +0.48% | +0.44% | +0.03% |
| 1 Week | −8.13% | −0.12% | −8.01% |
| 1 Month | −4.98% | −0.25% | −4.74% |
| 3 Months | −16.57% | +0.87% | −17.44% |
| 6 Months | −39.51% | +11.54% | −51.05% |
| YTD | −38.68% | +12.21% | −50.89% |
| 12 Months | −54.07% | +19.51% | −73.58% |
| 3 Years | −57.58% | +69.59% | −127.17% |
| Rank | Month | Return |
|---|---|---|
| #1 | Dec 2023 | +24.92% |
| #2 | Nov 2023 | +23.10% |
| #3 | Jul 2024 | +19.94% |
| #4 | Jun 2026 | +17.74% |
| #5 | Jan 2025 | +15.29% |
| Rank | Month | Return |
|---|---|---|
| #1 | Jul 2026 | −24.69% |
| #2 | Dec 2024 | −22.82% |
| #3 | Mar 2026 | −18.69% |
| #4 | Sep 2023 | −15.11% |
| #5 | Feb 2025 | −14.68% |
| Quarter | Return |
|---|---|
| Q2 2025 | −3.22% |
| Q3 2025 | +7.08% |
| Q4 2025 | −13.38% |
| Q1 2026 | −17.10% |
| Q2 2026 | +8.07% |
| Q3 2026 (QTD) | −33.95% |
| Year | Return |
|---|---|
| 2023 | +155.46% |
| 2024 | −15.60% |
| 2025 | −20.55% |
| 2026 | −40.82% |
| Metric | Value |
|---|---|
| 52-Week High | $151.03 (2025-09-05) |
| 52-Week Low | $62.31 (2026-09-01) |
| Current Price | $63.09 |
| 200-Day Moving Average | $90.97 |
| Price vs 200DMA | −30.65% |
| 3-Year Maximum Drawdown | −70.26% (2026-09-01) |
| Current Drawdown from 52W High | −58.23% |
| RS metric | Value |
|---|---|
| RS Index (3-year, rebased to 100) | 27.1 |
| 3-Year Excess Return vs S&P 500 | −127.17% |
| RS Peak | 133 (Mar 2024) |
| RS Trough | 27.1 (Sep 2026) |
| Status | Underperforming Benchmark |
Frequently asked questions
What was BLDR's return for this report period?
BLDR returned −4.98% in the latest monthly window ending 2026-09-02.
Has BLDR outperformed SPY year to date?
YTD BLDR: −38.68% vs SPY: +12.21%.
What is BLDR's 12-month return?
−54.07% over the trailing 12 months.
Is BLDR above or below its 200-day moving average?
Price is −30.65% versus 200DMA ($90.97).
What is the maximum drawdown in the 3-year window?
−70.26% on 2026-09-01.