CVI is an algorithm for constructing implied volatility surfaces that is framed as a convex optimisation problem. As such, it is suitable to be processed by modern optimisation solvers like CVXPY, ...

IV spikes hint at traders to anticipate an IV crush With the new year approaching, many traders are reassessing their strategies and preparing for market conditions ahead. While implied volatility (IV ...

Implied volatilities were mixed across asset classes last week as the risk of a looming government shutdown weighed on sentiment despite better-than-expected economic data. As we approach earnings, ...

We can see the difference between SVI and spline more clearly here. As expected, SVI curves show nice “smiles.” On the other hand, the spline follows the datapoints more closely but can go only as far ...