Trading HoursTrading calendar & exchange holidaysTrading systemMarket modelsOrder typesVolatility interruptionTick measurement & liquidity bandPre-trade controlsOrder-to-trade ratio : Hunting for a hairstylist to fashion approx 4 peoples hair for my marriage ceremony on the twenty third of Dec in Durbanville... Any ideas who i can use. Ilze H.: See all suggestions https://docs.google.com/spreadsheets/d/1BI7Z78NjDUwaHrBPBTJMWKEW8oeLcUwF/edit?gid=117013576#gid=117013576