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BLDRBuilders FirstSource, Inc.Sell4.0·$63.08
BLDR · Why this verdict

Why Builders FirstSource (BLDR) is rated SELL

Updated

Model-generated analysis — not investment advice. Not a registered investment advisor. Past performance does not guarantee future results. How we score · Editorial policy

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Methodology · Editorial policy & full disclaimer

VerdictSELL
Overall score4.0/10
ConfidenceMEDIUM
MacroNEUTRAL
TrendMatrix Research · core thesis

Engine thesis — one sentence

Builders FirstSource shows excellent cash conversion and a sharp +44.8% earnings beat in its latest quarter, but weak quality, declining revenue, a 51% drawdown with a downtrending 200-day average, and a price 7.8% above the analyst target keep the setup unattractive.

Falsifiable statement — pillar-level invalidators below. Engine-derived; not personalized advice.

Thesis pillars

Free cash flow is 345% of net income, yet quality scores only 3.4 with no competitive moat and thin margins (operating margin component 1.0, net margin 0.1).

↓Deteriorating
Quality breakdown
Expectation
Net margin recovers so quality rises above 4.0 while cash conversion stays above 100% of net income.

CounterHigh cash conversion relative to depressed net income can reflect working-capital release in a downturn, which will not repeat once volume recovers.

Revenue is declining 2% and growth scores only 2.0, ranking in the bottom of peers on growth.

↓Deteriorating
Growth breakdown
Expectation
Revenue growth turns positive and exceeds 3% year over year within 12 months.

CounterThe growth reading has low confidence (0.33) with only one component available, and a housing-cycle recovery could swing revenue quickly.

Three of the last four quarters were misses (including -27.6% on 2026-04-30), but the latest quarter beat by +44.8% at 1.51 versus 1.04 expected.

→Stable
Last 4 quarters
Expectation
EPS meets or beats estimates in the 2027-02-18 report, extending the latest beat.

CounterOne large beat after three misses does not establish a trend, and the average surprise across the four quarters is still negative at -0.6%.

Price of $64.91 is 7.8% above the analyst target of $59.85, so the target is reached and reward-to-risk is negative at -0.52.

↓Deteriorating
Upside pct
Expectation
Analysts raise targets above $65 after the earnings beat, or price retraces toward $60.37.

CounterA recent analyst cluster of three notes in the news suggests targets are being revised upward after the beat.

Price is in an overbought bear rally with RSI 76, below a 200-day average sloping down 9.0% over 30 days, after a 51% drawdown from the 52-week high.

↑Improving
Momentum breakdown
Expectation
Price reclaims the 200-day average and the average stops declining over the next two quarters.

CounterRising on-balance volume and a MACD score of 10 show strong buying, and a rally from deeply depressed levels can mark a durable bottom.

Per-dimension breakdown

Value

5.5/10data confidence 100%
ComponentSub-score
P/E0.0
P/S10.0
EV/EBITDA3.5
Fwd P/E4.6
PEG10.0
Analyst target4.0
  • ▸Forward P/E: 27.1x
  • ▸PEG: 0.05

Quality

3.4/10data confidence 100%
ComponentSub-score
ROE0.3
ROA1.1
Gross margin1.7
Op margin1.0
Net margin0.1
Current ratio6.5
FCF quality10.0
Moat3.1
Piotroski F6.7
  • ▸Excellent cash conversion: 345% FCF/NI
  • ▸No competitive moat

Growth

2.0/10data confidence 33%
ComponentSub-score
Rev growth2.0
  • ▸Declining revenue: -2%

Momentum

5.8/10data confidence 100%
ComponentSub-score
RSI3.0
MACD10.0
OBV10.0
MA position6.0
Volume0.0
  • ▸Overbought bear rally (RSI 71)
  • ▸Volume accumulation (rising OBV)
  • ▸Below 200-MA, MA slope -9.1%/30d — confirmed downtrend

Sentiment

5.9/10data confidence 100%
ComponentSub-score
LLM sentiment7.0
Analyst rating5.0
Price target5.9
  • ▸LLM news sentiment: +0.40 (n=5)

Insider

5.2/10data confidence 75%
ComponentSub-score
materiality5.0
holder change5.5
notable moves5.0
  • ▸No net insider activity — $0 (0.000% of mkt cap)

Peer rank

2.1/10data confidence 80%
ComponentSub-score
value rank4.8
quality rank1.0
growth rank0.8

Technical

1.4/10data confidence 100%
ComponentSub-score
bollinger1.4
support resistance2.9
52w position0.0

Risk (lower is worse)

4.8/10data confidence 100%
ComponentSub-score
short interest4.5
days to cover8.1
volatility0.5
put call8.4
implied vol2.4
beta5.2
debt equity4.4
news risk5.0
  • ▸High IV: 66%

Catalyst

3.7/10data confidence 100%
ComponentSub-score
erm3.5
earnings history0.0
earnings timing5.0
surprise avg2.2
news activity8.0
  • ▸Earnings concerns: 1B/3M

How the verdict was assembled

Engine trigger

Quality below minimum threshold.

Engine technical detail
verdict_path: L1:HARD_BLOCK:QUALITY_FLOOR
Passed (7)
  • MOMENTUM:5.8>=5.5
  • INSIDER:OK
  • NEWS_BOOST:ANALYST:0.50
  • NEWS_BOOST:ANALYST_CLUSTER(4)
  • EARNINGS_PROXIMITY:106d clear
  • SEMI_CYCLE_PEAK:CLEAR
  • MATERIALS_CYCLE_PEAK:CLEAR
Failed (1)
  • ASYMMETRY:-0.3=NEGATIVE
Warning (2)
  • DEATH_CROSS:momentum=5.8>=5.0 recovering
  • 8K_CSUITE_CHANGE:5.02 (officer departure/appointment)
Reward-to-Risk
-0.29
Upside
-4.4%
Downside
15.0%
Sizing output
AVOID

SetupRecovery — Death cross but MACD improving, RSI 71

EdgeNo clear edge — No clear edge identified

SuitabilitySpeculative — Drawdown -52% (>40% off 52w high)

Investment implication

The SELL_IF_HOLDING verdict reflects the ASYMMETRY gate's -0.3=NEGATIVE outcome against Sentiment at 5.9 and asymmetric R:R of -0.29.

The strongest dimensions are Sentiment at 5.9, Momentum at 5.8, and Value at 5.5; the weakest are Technical at 1.4, Growth at 2.0, and Peer rank at 2.1. The V9 engine flagged 1 failed gate with 2 warnings, producing an asymmetric reward-to-risk of -0.29 and an engine sizing output of AVOID.

What would invalidate the thesis

Falsifying conditions — when triggered, the corresponding pillar's thesis is invalidated.

  • P1Excellent Cash Conversion Low Quality

    Trip ifQuality score stays below 4.0 for 2 consecutive quarterly updates from current 3.4.

  • P2Declining Revenue Weak Growth

    Trip ifRevenue growth stays below 0% year over year for 2 more consecutive quarters.

  • P3Earnings Volatility Latest Beat

    Trip ifEPS surprise stays below 0% in the 2027-02-18 report and the one after.

  • P4Price Above Analyst Target

    Trip ifPrice drops to $60.37 or below, the stop level, before the analyst target is raised.

  • P5Bear Rally In Downtrend

    Trip ifMomentum score falls below 5.0 from current 7.3.

Engine reasoning is mechanically derived from pipeline gate outputs. See decision view.

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