It doesn't look like the account was deleted. I think the user just changed their username: https://twitter.com/quant_arb/status/1487265241692053509 https://twi

It doesn't look like the account was deleted. I think the user just changed their username: https://twitter.com/quant_arb/status/1487265241692053509 https://twitter.com/quant_arb/status/1487265241692053509