Yiheng Quan
Yiheng Quan
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Mobile Engineer at Sydney
My strategies are focusing on survival first and then profit second aiming at 50% winrate at most but with a decent profit factor and sortino ratio while minimising maximum drawdown.
Every order has a SL & TP attached, often the TP is 10x larger than the SL. TP is rarely hit, because the system usually adjusts all trades accordingly.
As a retail trader, I have up to 1:30, but in general, I use only 10% of the maximum (1 - 3x leverage) per trade. For smaller accounts, I may use up to 30%, but as they grow, I will reduce the usage.
Since 1st June 2026, I have finalised the system architecture. Now, I own infinite amounts of strategies and can adapt to any specific needs. They can all evolve with time now.

https://www.mql5.com/en/signals/2361594 - F.U.N.N.Y F.X
https://www.mql5.com/en/signals/2376826 - F.U.N.N.Y W.T.I
F.U.N.N.Y G.O.L.D is also running in the background trading only XAUUSD.
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Yiheng Quan
Yiheng Quan
Wednesday and Friday are having poor performance, I have flipped the signal on these days starting from tomorrow, it will be using this logic. This could improve the performance if the past results are stable enough.
Yiheng Quan
Yiheng Quan
Preparing for an enhanced FUNNY Signal, this will take a while. It is also working towards a better reinforcement learning agent.
Yiheng Quan
Yiheng Quan
Very large drawdown, it was almost 5% even without the 2x multipler, but for now, I will focus more on the latest version of the model, and let the signal trade on itself.
Yiheng Quan
Yiheng Quan
Another 10% today. I have increased the internal multiplier, which means a heavier deposit load and that 1–2% drawdowns will become more common. From today, FUNNY Signal will have roughly 2× larger drawdowns. However, as a side effect, profits will also be doubled.
Yiheng Quan
Yiheng Quan
Great AUDUSD short on Good Friday, but I also saw some problem with the spread exploded, will make my training stricter on SL.
Yiheng Quan
Yiheng Quan
Another 3% profit while I was sleeping, can’t imagine I’ve recovered my 12% loss and even managed to withdraw some cash, all within this month, almost 4% just this week.
Yiheng Quan
Yiheng Quan
Promising results with reinforcement learning, but there are cases the agent cannot handle. Per step is about one hour, but this profit isn't realistic. Lots of work to do still, but will take a short break.
Yiheng Quan
Yiheng Quan
Yesterday, I witnessed a legendary short trade that recovered my entire losses in just three hours while it was raining here. This happened exactly when I needed the courage to continue this path. This AI model is still far from its true potential, so I will be working on reinforcement learning to further finetune my existing models.
Yiheng Quan Published MetaTrader 5 signal
F U N N Y F X
Price: 67 USD, Growth: 7.74%
F.U.N.N.Y stands for Fully Unstable Neural Network for Yield. Since 1st June 2026, this signal will trade AUDUSD, EURUSD and USDJPY only. The latest version was optimised for montly return, sortino ratio, recovery factor & profit factor. The max deposit load will be capped at 36% max. Drawdown may hit 40% at the worse time, usually 15% - 20%. The backtest has shown that a smaller drawdown will often give a smaller profit overall. No risk no reward. The system will be finetuned during
Yiheng Quan
Registered at MQL5.community
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