Technical Articles

Technical deep-dives into 409A valuation methodologies including OPM, PWERM, and other advanced valuation techniques.

1 article in this topic

Technical

Nov 24, 2025

-12 min read

Option Pricing Model (OPM) Explained + Calculator [409A Guide]

How the Option Pricing Model determines your startup's 409A value. Includes OPM formula, Black-Scholes inputs, and when to use OPM vs backsolve. Free examples.

The Complete Guide to 409A Valuations

Everything founders and CFOs need to know about 409A valuations: what they are, why they matter, and how to stay compliant as your company scales.

Read the Complete Guide