Interface Svi

Rolled-down SVI parameters for one expiry, in decimal (NOT the chain's 1e9/1e18 integer scaling) — the surface AFTER Predict's remaining-time roll-down, as carried by the on-chain Pricer. a, rho, m are signed; b, sigma are non-negative.

interface Svi {
    a: number;
    b: number;
    m: number;
    rho: number;
    sigma: number;
}