Investing HoursTrading calendar & exchange holidaysTrading systemMarket modelsOrder typesVolatility interruptionTick sizing & liquidity bandPre-trade controlsOrder-to-trade ratio If you need to do would like to check out a layered haircut, Federico suggests attempting a nominal volume of layering within the crown of your head. This will provide you with further height https://docs.google.com/spreadsheets/d/1BI7Z78NjDUwaHrBPBTJMWKEW8oeLcUwF/edit?gid=117013576#gid=117013576