activity
20202023
most citedExplicit no arbitrage domain for sub-SVIs via reparametrization

1 citations · 1 across the 6 of their papers we have counts for

collaborators

6 papers

q-fin.MF2023

Options are also options on options: how to smile with Black-Scholes

Claude Martini, Arianna Mingone

We observe that a European Call option with strike can be seen as a Call option with strike on a Call option with strike . Under no arbitrage assumptions, this yie…

q-fin.RM2023

A closed form model-free approximation for the Initial Margin of option portfolios

Claude Martini, Arianna Mingone

Central clearing counterparty houses (CCPs) play a fundamental role in mitigating the counterparty risk for exchange traded options. CCPs cover for possible losses during the liqui…

q-fin.MF2022

Smiles in delta

Arianna Mingone

Fukasawa introduced in [Fukasawa, Math Financ, 2012] two necessary conditions for no butterfly arbitrage which require that the and functions of the Black-Scholes formu…

q-fin.MF2022

No arbitrage global parametrization for the eSSVI volatility surface

Arianna Mingone

The article describes a global and arbitrage-free parametrization of the eSSVI surfaces introduced by Hendriks and Martini in 2019. A robust calibration of such surfaces has alread…

q-fin.MF2021★ 1 cited

Explicit no arbitrage domain for sub-SVIs via reparametrization

Claude Martini, Arianna Mingone

The no Butterfly arbitrage domain of Gatheral SVI 5-parameters formula for the volatility smile has been recently described. It requires in general a numerical minimization of 2 fu…

q-fin.MF2020

No arbitrage SVI

Claude Martini, Arianna Mingone

We fully characterize the absence of Butterfly arbitrage in the SVI formula for implied total variance proposed by Gatheral in 2004. The main ingredient is an intermediary characte…