STN vs TTEK

Stantec Inc vs Tetra Tech, Inc. — Valuation Comparison 2026

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

Quick Summary — TTEK scores higher on quality with 9.2/10 vs STN's 8.6/10. STN trades at $74.84 while TTEK trades at $27.13. Both analyzed daily using SEC EDGAR data across 13 institutional models.

STN

Engineering & Construction
Stantec Inc
Quality
8.6
out of 10
Value Trap
12
SAFE
Price
$74.84
Last close
Models
12/13
Active
VS

TTEK

Engineering & Construction
Tetra Tech, Inc.
Quality
9.2
out of 10
Value Trap
29
LOW
Price
$27.13
Last close
Models
13/13
Active
STN
Quality Score 8.6/10 — top tier
Limited to 2/13 visible models
TTEK
Bayesian DCF sees +4.7% upside
Limited to 2/13 visible models

STN vs TTEK — Fair Value Comparison

STN
$0$29$59$88 Price$74.84 Bayesian …$67.34 (-10.0%) Earnings …$27.89 (-62.7%)
TTEK
$0$11$22$34 Price$27.13 Bayesian …$28.40 (+4.7%) Earnings …$4.63 (-82.9%)
Market Price Model 1 Model 2

Model-by-Model Comparison

ModelType STN Fair ValueSTN Upside TTEK Fair ValueTTEK Upside
Bayesian DCF Intrinsic $67.34 -10.0% $28.40 +4.7%
Earnings Power Value Intrinsic $27.89 -62.7% $4.63 -82.9%
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 $•••.•• ••.•% $•••.•• ••.•%

STN vs TTEK — Which Stock Is More Undervalued in 2026?

TTEK scores higher with a 9.2/10 quality rating vs STN's 8.6/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

How Do STN and TTEK Valuations Compare?

At $74.84, STN trades +10.0% above its Bayesian DCF fair value of $67.34, while TTEK at $27.13 trades +4.7% below its estimate of $28.40. STN shows a wider gap between price and intrinsic value.

Quality of Company: STN vs TTEK

STN earns a Quality of Company score of 8.6/10 compared to TTEK's 9.2/10. 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: STN vs TTEK

STN carries a SAFE value trap risk (12/100) while TTEK shows LOW risk (29/100). Both companies show manageable value trap risk, suggesting their current valuations are not artificially depressed by fundamental deterioration.

Both in Engineering & Construction

Both STN and TTEK operate in Engineering & Construction, which has 53 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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