Query a full volatility surface defined on a 2D grid of expiries and strikes. Uses bilinear interpolation between grid points. Essential for pricing exotic options, managing volatility risk, and calibrating models to market data. Supports arbitrary volatility smile and term structure shapes.
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Array of expiry times in years (must be strictly increasing)
2[0.25, 0.5, 1]Array of strike prices (must be strictly increasing)
2[90, 95, 100, 105, 110]2D matrix of volatilities [expiry_index][strike_index]. Dimensions must match expiries x strikes
[
[0.28, 0.26, 0.24, 0.25, 0.27],
[0.27, 0.25, 0.23, 0.24, 0.26],
[0.26, 0.24, 0.22, 0.23, 0.25]
]Expiry time in years for the query point
x >= 00.5
Strike price for the query point
x >= 0102.5