Everything is the same, but the results are different. Help. - page 2

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Every Broker has different price quote and tick and each terminal allocate memory separately, you can't expect the same result on two different things. I run EA on the same broker but different accounts and it give different result. Nothing wrong with that.
 
Angel Sosa #:
Yes, in this strategy I use very aggressive trailing stops on each tick based on the fact that I want a higher win percentage rather than large profits. Thank you for sharing your experience. I've also noticed that there are certain cases where inputs work perfectly in both Pepperstone and Dukascopy data. I added news, spread filters and a range of hours in which it can open positions but unfortunately, if I previously had about 15 profitable variants, I ended up with only 2 because they're the only ones that worked across multiple brokers, which gives me the most confidence.

high win percentage usually links to account sustain serious drawdown/blow up, you can only get up to 50% winning rate when flipping a coin, now imagine all the extra information (time, price, volume, ticks, bid and ask) lower your win rate down.

Also, if the tick difference can make your EA win or fails, imagine what happens in a news spike, where the price instantly moves 1000 ticks, what will happen to your money? Keep in mind the market will always make you harder to win, easier to lose; so if the 1000 ticks spike is moving in the direction in your favor, you won't get much of it because you have your tiny take profit you set to boost win rate; however if the 1000 ticks spike is moving against your position, you probably will eat most of the move.

 
Angel Sosa:

These are the results of my strategy, both use data based on real ticks of the same currency pair and the same strategy with the same inputs and conditions, the only difference is that the real tick data from one is from Pepperstone broker and the other is from Dukascopy. Would anyone know why they show different results despite opening exactly the same positions?

This one is from Pepperstone

This one from Dukascopy


And as you can see, the positions are the same, yet the results in balance are different.

From dukascopy:


From Pepperstone:


help :(

The difference in balance despite identical positions is likely caused by different trading conditions, even with the same real tick data. Key factors:

Spread — Dukascopy and Pepperstone may have different spreads at each tick.
Commission — Broker commission per lot can vary (especially if one uses raw spreads + commission).
Swap/Rollover — Overnight fees may differ slightly.
Tick size or precision — Even small rounding differences can affect profit calculation.
Contract size or tick value — SYMBOL_TRADE_CONTRACT_SIZE or SYMBOL_TRADE_TICK_VALUE might differ per broker.

    Even if the entries are the same, profit calculation = (price diff × lot × tick value) can vary.

    To confirm, compare:

    Print(SymbolInfoDouble(_Symbol, SYMBOL_TRADE_TICK_VALUE));
Print(SymbolInfoDouble(_Symbol, SYMBOL_TRADE_TRADE_TICK_SIZE));
Print(SymbolInfoDouble(_Symbol, SYMBOL_TRADE_CONTRACT_SIZE));
Print(AccountInfoDouble(ACCOUNT_COMMISSION));

    Same strategy, same logic — but different broker model = different outcomes.

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