Startup Valuation Engine

The most comprehensive, scientifically rigorous, and transparent startup valuation resource available. 80+ formulas. Full derivations. Open source.

API Online — v1.0.2
MIT Stars
View on GitHub Theory & Derivations
80+
Valuation Formulas
14
Python Modules
60+
MCP Tools
101
Unit Tests
88%
Test Coverage

Valuation Methods

Every formula with full mathematical derivation, assumptions audit, worked example, and textbook cross-reference.

Scorecard Method

Adjust average valuation by weighted factor scores for pre-revenue startups.

Core13-step derivation

Black-Scholes

Option pricing for startup equity as real options. N(d) cumulative normal.

Advanced

VC Method

Work backward from expected exit value diluting for target return.

Core

Monte Carlo

Simulate thousands of scenarios for probabilistic valuation ranges.

Advanced

SaaS Metrics

LTV, CAC, NRR, Magic Number, Rule of 40 — SaaS-specific KPIs.

Industry

Biotech rNPV

Risk-adjusted NPV for clinical-stage pharmaceutical assets.

Industry

SAFE Valuation

Convertible instruments with cap and discount valuation.

Emerging

CAPM

Capital Asset Pricing Model with startup-adjusted beta.

Foundation

Risk Factor Summation

Adjust baseline by 12 risk factors, each ±$250K per unit.

Core

ESG Valuation

Environmental, social, governance premium and discount impacts.

Emerging

OPM / PWERM

Option-pricing and probability-weighted models for stakeholders.

Stakeholder

Metcalfe's Law

Network value proportional to n² for crypto and marketplace startups.

Emerging

Try It — Scorecard Valuation Calculator

Instant. Client-side. Rust → WASM at native speed. No server round-trip.

API Access

MCP-compatible JSON-RPC endpoint. No API key required.

GET /api/health — Health check
POST /api — JSON-RPC 2.0 (initialize, tools/list, tools/call)

Connect any MCP-compatible agent. Full 60+ tool library available via the Python package.

Resources