This paper develops a new approach to explain why risk factors constructed from option returns are priced in the stock market. We decompose an option- based factor into three main components and identify the one responsible for the beta-return relationship. Applying this method to the bear risk...

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...