Robinhood said the reason was settlement: trades took two days to clear, and its clearinghouse raised collateral requirements overnight.
Sources
Questions
- When did this happen?
- 28 January 2021.
On 28 January 2021, Robinhood restricted buying of GameStop (GME) shares at the height of the short squeeze.

Robinhood said the reason was settlement: trades took two days to clear, and its clearinghouse raised collateral requirements overnight.