Bitcoin Pricing Kernels (PKs) are estimated using a novel data set from Deribit, the leading Bitcoin options exchange. The PKs, as the ratio between risk-neutral and physical density, dynamically reflect the change in investor preferences. Thus, the PKs improve the understanding of investor...

This paper examines the relationship between trading activity and returns volatility in white maize futures listed on the South African Futures Exchange (SAFEX) and investigates the impact of speculative activity on volatility. Returns volatility is estimated using a GARCH (1,1) model. Trading...

Organized exchanges have evolved methods for enforcing contracts, which allow the contracts themselves to be traded at low cost. Theorists have modeled futures contracts as tools for risk management, despite an extensive empirical literature that does not support predictions about bias in prices...