Recent work considers whether information is simultaneously reflected in both option and equity markets. We provide new evidence supporting Black's (Financ. Anal. J. 31:36–72, 1975) conjecture that information is first revealed in option markets. Specifically, changes in call and put...

Behavioral theories contend that the human decision-making process tends to both incorporate anchor points and improperly weight low probability events. In this study, we find evidence that equity option market investors anchor to prices and incorporate a probability weighting function similar...

Recent work has considered whether information is simultaneously reflected in both option and equity markets. We provide new evidence supporting Black's (1975) conjecture that information is first revealed in option markets. Specifically, changes in call and put open interest levels have...