14th May 2020 - Vanda Risk Update: Blame Call Buying For Overshoots In Stocks

Hedge funds bought large OTM calls on TSLA one or two days before the weekly expiry with little chances of finishing in the money. However, they forced broker-dealers to hedge the short-call position by buying a huge amount of TSLA stocks and they took that same position before the open, when the stock ripped.

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