GRI vs GUTS

GRI Bio, Inc. vs Fractyl Health, Inc. — Valuation Comparison 2026

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

Quick Summary — GUTS scores higher on quality with 4.4/10 vs GRI's 3.9/10. GRI trades at $2.01 while GUTS trades at $0.79. Both analyzed daily using SEC EDGAR data across 13 institutional models.

GRI

Biotechnology
GRI Bio, Inc.
Quality
3.9
out of 10
Value Trap
15
SAFE
Price
$2.01
Last close
Models
6/13
Active
VS

GUTS

Biotechnology
Fractyl Health, Inc.
Quality
4.4
out of 10
Value Trap
20
SAFE
Price
$0.79
Last close
Models
9/13
Active
GRI
Bayesian DCF sees +95.6% upside
Quality 3.9/10 — below average
GUTS
2 models active
Quality 4.4/10 — below average

GRI vs GUTS — Fair Value Comparison

GRI
$0$2$3$5 Price$2.01 Bayesian …$3.93 (+95.6%) ML-RIV$0.05 (-97.9%)
GUTS
$0$0$1$1 Price$0.79 Bayesian …$0.26 (-67.1%) Earnings …$0.47 (-32.7%)
Market Price Model 1 Model 2

Model-by-Model Comparison

ModelType GRI Fair ValueGRI Upside GUTS Fair ValueGUTS Upside
Bayesian DCF Intrinsic $3.93 +95.6% $0.26 -67.1%
Earnings Power Value Intrinsic $0.47 -32.7%
EROIC Spread Intrinsic $•••.•• ••.•% $•••.•• ••.•%
First Chicago Scenario $•••.•• ••.•% $•••.•• ••.•%
ML-RIV Intrinsic $0.05 -97.9%
Dynamic NAV Asset-Based $•••.•• ••.•% $•••.•• ••.•%
PWERM Option-Based $•••.•• ••.•% $•••.•• ••.•%
Regime Cross-Sectional Relative $•••.•• ••.•% $•••.•• ••.•%
Sentiment SOTP Hybrid $•••.•• ••.•% $•••.•• ••.•%
CUCE Ensemble Ensemble $•••.•• ••.•% $•••.•• ••.•%

GRI vs GUTS — Which Stock Is More Undervalued in 2026?

GUTS scores higher with a 4.4/10 quality rating vs GRI's 3.9/10. Both stocks are analyzed daily using SEC EDGAR filings across 13 independent models.

How Do GRI and GUTS Valuations Compare?

At $2.01, GRI trades +95.6% below its Bayesian DCF fair value of $3.93, while GUTS at $0.79 trades +67.1% above its estimate of $0.26. GRI shows a wider gap between price and intrinsic value.

Quality of Company: GRI vs GUTS

GRI earns a Quality of Company score of 3.9/10 compared to GUTS's 4.4/10. 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: GRI vs GUTS

GRI carries a SAFE value trap risk (15/100) while GUTS shows SAFE risk (20/100). Both companies show manageable value trap risk, suggesting their current valuations are not artificially depressed by fundamental deterioration.

Both in Biotechnology

Both GRI and GUTS operate in Biotechnology, which has 566 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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