Where does the trade closing price or expiry come from? January 27, 2019 22:07 Updated The Zentrader platform uses an independent institutional grade price feed to determine the closing price for all trades. For further information, please contact our support team. Related articles Which timezone is used on the trading platform clock? Why are Zentrader’s prices different from other brokers? What languages are available on the trading platform? Do you have option trading robots? Can I trade Zentrader options during the weekends?