BLBD vs FSS

Blue Bird Corporation vs Federal Signal Corporation — Valuation Comparison 2026

By CirclFi Research Team · Updated 2026-06-03 · Data from SEC EDGAR, FRED & GDELT

Quick Summary — BLBD scores higher on quality with 10.0/10 vs FSS's 9.5/10. BLBD trades at $72.34 while FSS trades at $106.45. Both analyzed daily using SEC EDGAR data across 13 institutional models.

BLBD

Farm & Heavy Construction Machinery
Blue Bird Corporation
Quality
10.0
out of 10
Value Trap
12
SAFE
Price
$72.34
Last close
Models
12/13
Active
VS

FSS

Farm & Heavy Construction Machinery
Federal Signal Corporation
Quality
9.5
out of 10
Value Trap
12
SAFE
Price
$106.45
Last close
Models
13/13
Active
BLBD
Quality Score 10.0/10 — top tier
Limited to 2/13 visible models
FSS
Quality Score 9.5/10 — top tier
Limited to 2/13 visible models

BLBD vs FSS — Fair Value Comparison

BLBD
$0$28$57$85 Price$72.34 Bayesian …$49.90 (-31.0%) Earnings …$38.06 (-47.4%)
FSS
$0$42$84$126 Price$106.45 Bayesian …$15.13 (-85.8%) Earnings …$31.77 (-70.2%)
Market Price Model 1 Model 2

Model-by-Model Comparison

ModelType BLBD Fair ValueBLBD Upside FSS Fair ValueFSS Upside
Bayesian DCF Intrinsic $49.90 -31.0% $15.13 -85.8%
Earnings Power Value Intrinsic $38.06 -47.4% $31.77 -70.2%
EROIC Spread Intrinsic $•••.•• ••.•% $•••.•• ••.•%
First Chicago Scenario $•••.•• ••.•% $•••.•• ••.•%
Markov DDM Intrinsic $•••.•• ••.•% $•••.•• ••.•%
ML-RIV Intrinsic $•••.•• ••.•% $•••.•• ••.•%
Dynamic NAV Asset-Based $•••.•• ••.•% $•••.•• ••.•%
PWERM Option-Based $•••.•• ••.•% $•••.•• ••.•%
Regime Cross-Sectional Relative $•••.•• ••.•% $•••.•• ••.•%
Sentiment SOTP Hybrid $•••.•• ••.•% $•••.•• ••.•%
CUCE Ensemble Ensemble $•••.•• ••.•% $•••.•• ••.•%
FTNN Topology Relative $•••.•• ••.•% $•••.•• ••.•%
RCMH-DCF Intrinsic $•••.•• ••.•% $•••.•• ••.•%

BLBD vs FSS — Which Stock Is More Undervalued in 2026?

BLBD scores higher with a 10.0/10 quality rating vs FSS's 9.5/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

How Do BLBD and FSS Valuations Compare?

At $72.34, BLBD trades +31.0% above its Bayesian DCF fair value of $49.90, while FSS at $106.45 trades +85.8% above its estimate of $15.13. FSS shows a wider gap between price and intrinsic value.

Quality of Company: BLBD vs FSS

BLBD earns a Quality of Company score of 10.0/10 compared to FSS's 9.5/10. The scores are closely matched, indicating similar fundamental quality profiles. The QOC score synthesizes 32 signals spanning profitability margins, revenue growth, free cash flow, capital allocation, and leverage.

Value Trap Risk: BLBD vs FSS

BLBD carries a SAFE value trap risk (12/100) while FSS shows SAFE risk (12/100). Both companies show manageable value trap risk, suggesting their current valuations are not artificially depressed by fundamental deterioration.

Both in Farm & Heavy Construction Machinery

Both BLBD and FSS operate in Farm & Heavy Construction Machinery, which has 24 stocks tracked by CirclFi. Same-industry comparisons provide the most direct insight into relative valuation since both companies face similar regulatory environments, market dynamics, and competitive pressures. Both companies are analyzed with models spanning intrinsic (Bayesian DCF, EPV), scenario-based (First Chicago), regime-switching (Markov DDM, RCMH-DCF), machine learning (ML-RIV, FTNN), and ensemble methods (CUCE).

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