Where do EAs get historical data from, do they even use historical data?

[vic NDF]

Hi Guys,

Bit of a newbie with EAs, I am trying to figure out if an EA uses historical data. If you download from MT4's history centre would it use that data?

Please help me understand.

[William Roeder]

Unanswerable unless you show the code.

[vic NDF]

William Roeder #:
Unanswerable unless you show the code.

Its Dark Venus