Crypto options IV surface explorer powered by the Deribit public API.
Black-Scholes / Greeks computed in-browser via WebAssembly (Rust → WASM).
IV history persisted in browser localStorage for IV Rank (F4).
| F1 Vol Smile | ✓ ASCII scatter + ATM Greeks |
| F2 IV Heatmap | ✓ Strike × Expiry colour grid |
| F3 Options Chain | ✓ Call/Put + BS Greeks per row |
| F4 IV Rank | ✓ localStorage history (auto-builds) |
| F5 3D Surface | ✓ Three.js vertex-coloured mesh |
| BTC + ETH | ✓ Press C to toggle |
| CSV Export | ✓ Press X |
Data: Deribit public REST API (no auth required)
Math: iv-analytics.cljr → Rust → wasm-pack → WebAssembly
Refresh: 10 s