We extract an option-implied measure for systemic risk, the Systemic Options Value-at-Risk
(SOVaR), from put option prices that can capture the buildup stage of systemic risk in the …

We investigate the behavior of options markets in response to potential stock market
manipulations, with a specific focus on cross-product manipulation. Unlike existing literature …

I provide a theoretical framework that characterizes which option strike an informed agent
buys or sells after a given signal. The informed agent faces a trade-off between higher …