XAUUSD real ticks missing in MQL5 Cloud since late January 2026

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Hi,

When I optimize on XAUUSD with "Every tick based on real ticks" in the MQL5 Cloud Network, the cloud agents don't use the same tick history as my terminal (I am on ICMArket).I checked it with a small EA that only counts ticks per hour (count, first/last time, Bid/Ask high/low), run once in the cloud and once on local agents. Up to 28 Jan 2026 both are identical, tick for tick. After that the cloud copy is missing ticks: about 2 % on a few days in February and March, then 20 to 31 % every day from April to September 2026 (June: 10.9M ticks in the cloud vs 15.9M locally). Bid highs/lows match, Ask doesn't. The agent log always shows "XAUUSD: ticks synchronized already [43 bytes]", so the node never asks my terminal for the missing ticks.

Any sugegstion to solve that issue ?

Thanks

 
LouiseB2604:
Any sugegstion to solve that issue ?
As you're backtest optimization is running on remote cloud agents, check the integrity of your internet connection. If you don't have a stable and fast enough connection to share every one of your ticks, that is the culprit. Wi-Fi and mobile data connections are the usual suspects─as opposed to an Ethernet connection.
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