Yiheng Quan
Yiheng Quan
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Mobile Engineer Sydney
My main focus is fully automated trading. I don’t want to introduce too much manual input, but I still need to guide the model to understand risk and overall market behavior properly.

I’ve already implemented a trading signal, but it’s not profitable yet. Starting from March 2026, I’ll begin experimenting with a reinforcement learning agent to see if it can better exploit the market using my handcrafted signals.

If there’s truly no edge in the system, then that’s where the story ends. Well, I am seeing some strong evidences that the edge does exist, but it also means I have more things to work on.

https://www.mql5.com/en/signals/2361594 - Funny Signal
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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 发布MetaTrader 5信号
FUNNY Signal
价格:30 USD, 增长:21.72%
  This signal is mostly to give a public record early on, DO NOT SUBSCRIBE. Fully automated trading system with Python. Not profitable yet, still adjusting as of Feb 2026. Well, things are getting better in March 2026, but it is heavily relying on SpotCrude which has a 17 profit factor... Now, Copper is the new SpotCrude. The experiment with Reinforcement learning is indeed the missing piece
Yiheng Quan
已在MQL5.community注册