It is not possible to give a clear answer for such a general request. The MT4 load depends much more on the used indicators/EAs than the pure number of open instances. Keep in mind, that MT4 is 32-bit, so there are limitations on the allocated RAM.

Computer Question

You are at the beginning of a very very long road you still have to go. Consider leaving this speculative field as long as you did not waste too much time with it.

What happens with this indicator, or is it the market? See image

Do the math (and stop speculating and hating)! PS: you will find the percentage of retail clients losing money for every EU broker once August started.

Successful traders are very, very rare to find

A very interesting aspect of the new ESMA regulations is the forced publishing of retail client percentage losing money. Now I have got a mail from one of my brokers who already included this statement in their risk warnings. Saw it by accident. No ...

Breaking: ESMA finalizes new rules to govern leveraged trading

comdirect does not offer MT4 plus they are obliged to apply the ESMA restrictions.

Looking for Bank FX Broker/Dealer who is MT4 or MT5 compatible

As I already said in my last post, they earn on the hedge of your trade. Think about it, how should a general adding to a fixed spread work if it is in fact fluctuating all the time!? Fixed spread is always higher than the core spreads you will find ...

Does the spread affect both buy order and sell order?

There is no "original price quote". You did not get it. There is a BID and ASK price only! No average or any other fancy quotation you are elaborating about. Your whole sketch is wrong. Forex is OTC. So quotes are made by offer and demand. If you ...

Does the spread affect both buy order and sell order?

If you buy you are doing this at the current ASK price, visa versa for the BID price in the case of sell. The spread does not influene your TP or SL. So for example if you entered the market via a long position (which utilizes the ASK price) the BID ...

Does the spread affect both buy order and sell order?

The answer to your question is given only two posts above. I really do not wonder anymore, why 90% of traders are not successful in this business, when they are not even capable of reading at least the most recent posts before posting useless ...

Tickmill

I was watching the price jump by accident and have to smile when reading these blaming threads afterwards. It is always the same. Trading during news is NEVER reliable. Hate the broker, switch to another and you will face the same issue sooner or ...

Global Prime Big Slippage?

He is using exclamation marks multiple times - so he must be right.

Pepperstone, IC Markets, Tickmill? Which one to choose?

I am NEVER using any demoaccounts. I have live accounts with over a dozen brokers. I am not here to convince you otherwise. Brokers that invest time, money and ressources into democrap instead of using the same ressources keeping a reliable and ...

Pepperstone, IC Markets, Tickmill? Which one to choose?

If you take demotrading into consideration for analysing technical performances you still have a long way to go.. You are acting in a virtual playground with NO CONNECTION to a live trading environment in terms of execution. But enjoy wasting your ...

Pepperstone, IC Markets, Tickmill? Which one to choose?

Please do not bloat the forum - use the search button! There are tons of threads dealing with this topic already.

EU is lowering leverage. What now?

Based on a worthless 25 days DEMOTRADING account -> first class commercial member status application!

MOT System

Catching into a falling knive after so many years and mistakes ..

survive