
Laura Veldkamp
@laura_veldkamp
Cooperman Professor of Economics and Finance at Columbia Business School
ID: 1527290082088058880
https://www0.gsb.columbia.edu/faculty/lveldkamp/ 19-05-2022 14:08:46
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unusual_whales Just so non-traders understand the bombshell here: Right before the S&P 500 (SPY) suddenly spiked, someone bought a huge number of call options — bets that the index would go up that same day. These were zero-day options, meaning they expire worthless by the end of the day









