#options

Arbitrage-free SVI volatility surfaces in pure Rust — Raw, Jump-Wings & SSVI parametrisations, quasi-explicit & Levenberg-Marquardt calibration, butterfly & calendar-spread arbitrage checks. All math hand-rolled from primary sources. Zero dependencies. Part of the Regit OS, the operating system for investment products.

Provides an improved replacement for the array_replace PHP function

Production-quality volatility surface library for Rust

Drop-in replacement for argparse with added support for config files and environment variables.

A bundle to easily create typesafe, user-configurable settings for symfony applications