Alright, I just tested to give the minute ASCII data and it didn't work. However, since the resolutions are the same, the bar numbers are still different (because the data 1 is NQZ from CME and the data 2 is NDX from NASDAQ.) Does it mean that it cannot use the data from different exchanges as the i...

Hello Henry,

Thanks for your reply. Since you mentioned "the same amount of bars", does it mean the data stream could only use the same resolution at once? Hmm... I may try it later.

Hello, I was using the backtester and keep encountering this message "Data could not be obtained for the following symbols: NDX.X, ASCII Mapping" My signal is using 2 data streams which the first one is real-time data from IQFeed (and worked fine when testing alone.). However after added the second ...