no code implementations • 7 Jan 2023 • Jaehyuk Choi, Byoung Ki Seo
The stochastic-alpha-beta-rho (SABR) model has been widely adopted in options trading.
no code implementations • 25 Jan 2022 • Kyungsub Lee, Byoung Ki Seo
This study proposes a versatile model for the dynamics of the best bid and ask prices using an extended Hawkes process.
no code implementations • 29 Mar 2021 • Kyungsub Lee, Byoung Ki Seo
This study derives the expected liquidity cost when performing the delta hedging process of a European option.
no code implementations • 14 Aug 2019 • Kyungsub Lee, Byoung Ki Seo
The probability density function of the hedged portfolio with the third moment variation swap was examined using a partial differential equation approach.
no code implementations • 14 Aug 2019 • Kyungsub Lee, Byoung Ki Seo
An estimation of the diffusion model is performed using the simulated maximum likelihood method and shows similar patterns to the Hawkes model.
no code implementations • 28 Jul 2019 • Kyungsub Lee, Byoung Ki Seo
A simple Hawkes model have been developed for the price tick structure dynamics incorporating market microstructure noise and trade clustering.