How accurate is back test? (For Past Result)

shanmugapradeep

Recruit
Messages
14
Hi,

Can anyone tell me how accurate is back test for past result (Not future result). I know bast performance do not guarantee future result.

So, here i am asking about a past result.

I made a back test for EA (Oct 2020) and the result is in negative but the developer of EA said me back test provide false result and for him October 2020 was profitable with same EA which given a negative result with back test.

Can anyone clear my doubt?
 

fxoday

Recruit
Messages
366
It does not guarantee a trading result for future, but still useful to backtest any strategy or robot trading, good trading in backtesting sometimes in real trading get fail, quality broker server and previous price is not always the same with future movement as reason any failure
 

shanmugapradeep

Recruit
Messages
14
It does not guarantee a trading result for future, but still useful to backtest any strategy or robot trading, good trading in backtesting sometimes in real trading get fail, quality broker server and previous price is not always the same with future movement as reason any failure
I know that mate. i am asking how accurate is back testing for even past result.
 

JayJones

Recruit
Messages
299
Backtesting is accurate(if you use TradingView). If the EA fails backtest then don't even bother to try to use it on demo in real mode.
 
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