A lightweight and interactive JavaScript library to visualize option payoff diagrams based on TradingView's powerful Lightweight Charts. Perfect for traders, educators, and developers building financial tools or option strategy visualizations.

Calculates simple payoffs for option strategies

the complete solution for node.js command-line programs

option parsing and help generation

Validate plugin/preset options

The option type, also known as the maybe type, for JavaScript

Command line argument parser

Write files in an atomic fashion w/configurable ownership

A mature, feature-complete library to parse command-line options.

After Effects plugin for exporting animations to SVG + JavaScript or canvas + JavaScript

Option parsing for Node, supporting types, shorthands, etc. Used by npm.

Polyfill of future proposal for `util.parseArgs()`

Let users toggle colors

Managing and serializing Rust-like Option types in JavaScript

Convert milliseconds to a human readable string: `1337000000` → `15d 11h 23m 20s`

Light-weight option parsing with an argv hash. No optstrings attached.

Really Fast Deep Clone

Analytical (Black-Scholes) and numerical (binomial tree, Monte Carlo simulation) option pricing calculator supporting different payoff styles (European and American).

A per-spec XML serializer implementation

Streaming CSV parser that aims for maximum speed as well as compatibility with the csv-spectrum test suite