You're thinking of Optiver's The Hammer, though every HFT firm has basically done or is doing something like this. [1] Jane Street's version of this was absolu

You're thinking of Optiver's The Hammer, though every HFT firm has basically done or is doing something like this. [1] Jane Street's version of this was absolutely intentional. [1] https://www.reuters.com/article/business/high-frequency-trader-optiver-pays-14-million-in-oil-manipulation-case-idUSBRE83J012/ https://www.reuters.com/article/business/high-frequency-trad...