Zhuo Kai Chen
Zhuo Kai Chen
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Researcher at MetaSignalsPro
Computer Science Bachelor in CUHK(SZ)
Quant Researcher with 3+ years of trading experience
Currently managing 5+ trading systems
Specializes in CTA strategy development
Github: https://github.com/CodyOutcast
Partnering with: https://www.mql5.com/en/users/metasignalspro
Zhuo Kai Chen
Left feedback to customer for job Improve Indicators and Experts
Zhuo Kai Chen
Published article Decoding Opening Range Breakout Intraday Trading Strategies
Decoding Opening Range Breakout Intraday Trading Strategies

Opening Range Breakout (ORB) strategies are built on the idea that the initial trading range established shortly after the market opens reflects significant price levels where buyers and sellers agree on value. By identifying breakouts above or below a certain range, traders can capitalize on the momentum that often follows as the market direction becomes clearer. In this article, we will explore three ORB strategies adapted from the Concretum Group.

Zhuo Kai Chen
Published article Day Trading Larry Connors RSI2 Mean-Reversion Strategies
Day Trading Larry Connors RSI2 Mean-Reversion Strategies

Larry Connors is a renowned trader and author, best known for his work in quantitative trading and strategies like the 2-period RSI (RSI2), which helps identify short-term overbought and oversold market conditions. In this article, we’ll first explain the motivation behind our research, then recreate three of Connors’ most famous strategies in MQL5 and apply them to intraday trading of the S&P 500 index CFD.

Zhuo Kai Chen
Published article Exploring Advanced Machine Learning Techniques on the Darvas Box Breakout Strategy
Exploring Advanced Machine Learning Techniques on the Darvas Box Breakout Strategy

The Darvas Box Breakout Strategy, created by Nicolas Darvas, is a technical trading approach that spots potential buy signals when a stock’s price rises above a set "box" range, suggesting strong upward momentum. In this article, we will apply this strategy concept as an example to explore three advanced machine learning techniques. These include using a machine learning model to generate signals rather than to filter trades, employing continuous signals rather than discrete ones, and using models trained on different timeframes to confirm trades.

Zhuo Kai Chen
Published article The Kalman Filter for Forex Mean-Reversion Strategies
The Kalman Filter for Forex Mean-Reversion Strategies

The Kalman filter is a recursive algorithm used in algorithmic trading to estimate the true state of a financial time series by filtering out noise from price movements. It dynamically updates predictions based on new market data, making it valuable for adaptive strategies like mean reversion. This article first introduces the Kalman filter, covering its calculation and implementation. Next, we apply the filter to a classic mean-reversion forex strategy as an example. Finally, we conduct various statistical analyses by comparing the filter with a moving average across different forex pairs.

Zhuo Kai Chen
Published article Robustness Testing on Expert Advisors
Robustness Testing on Expert Advisors

In strategy development, there are many intricate details to consider, many of which are not highlighted for beginner traders. As a result, many traders, myself included, have had to learn these lessons the hard way. This article is based on my observations of common pitfalls that most beginner traders encounter when developing strategies on MQL5. It will offer a range of tips, tricks, and examples to help identify the disqualification of an EA and test the robustness of our own EAs in an easy-to-implement way. The goal is to educate readers, helping them avoid future scams when purchasing EAs as well as preventing mistakes in their own strategy development.

Zhuo Kai Chen
Published article Trend Prediction with LSTM for Trend-Following Strategies
Trend Prediction with LSTM for Trend-Following Strategies

Long Short-Term Memory (LSTM) is a type of recurrent neural network (RNN) designed to model sequential data by effectively capturing long-term dependencies and addressing the vanishing gradient problem. In this article, we will explore how to utilize LSTM to predict future trends, enhancing the performance of trend-following strategies. The article will cover the introduction of key concepts and the motivation behind development, fetching data from MetaTrader 5, using that data to train the model in Python, integrating the machine learning model into MQL5, and reflecting on the results and future aspirations based on statistical backtesting.

Zhuo Kai Chen
Published article The Inverse Fair Value Gap Trading Strategy
The Inverse Fair Value Gap Trading Strategy

An inverse fair value gap(IFVG) occurs when price returns to a previously identified fair value gap and, instead of showing the expected supportive or resistive reaction, fails to respect it. This failure can signal a potential shift in market direction and offer a contrarian trading edge. In this article, I'm going to introduce my self-developed approach to quantifying and utilizing inverse fair value gap as a strategy for MetaTrader 5 expert advisors.

Zhuo Kai Chen
Zhuo Kai Chen
Machine learning mean-reversion strategy recent performance.
Dominic Michael Frehner
Dominic Michael Frehner 2025.01.26
Perfect for prop firm trading👍🏼
Zhuo Kai Chen
Zhuo Kai Chen
Mean-reversion and trend-following mixed strategy portfolio.
Zhuo Kai Chen
Zhuo Kai Chen
Breakout trading system recent performance.
Zhuo Kai Chen
Published article Developing a Calendar-Based News Event Breakout Expert Advisor in MQL5
Developing a Calendar-Based News Event Breakout Expert Advisor in MQL5

Volatility tends to peak around high-impact news events, creating significant breakout opportunities. In this article, we will outline the implementation process of a calendar-based breakout strategy. We'll cover everything from creating a class to interpret and store calendar data, developing realistic backtests using this data, and finally, implementing execution code for live trading.

Zhuo Kai Chen
Published article The Liquidity Grab Trading Strategy
The Liquidity Grab Trading Strategy

The liquidity grab trading strategy is a key component of Smart Money Concepts (SMC), which seeks to identify and exploit the actions of institutional players in the market. It involves targeting areas of high liquidity, such as support or resistance zones, where large orders can trigger price movements before the market resumes its trend. This article explains the concept of liquidity grab in detail and outlines the development process of the liquidity grab trading strategy Expert Advisor in MQL5.

Zhuo Kai Chen
Published article Hidden Markov Models for Trend-Following Volatility Prediction
Hidden Markov Models for Trend-Following Volatility Prediction

Hidden Markov Models (HMMs) are powerful statistical tools that identify underlying market states by analyzing observable price movements. In trading, HMMs enhance volatility prediction and inform trend-following strategies by modeling and anticipating shifts in market regimes. In this article, we will present the complete procedure for developing a trend-following strategy that utilizes HMMs to predict volatility as a filter.

Zhuo Kai Chen
Published article Portfolio Risk Model using Kelly Criterion and Monte Carlo Simulation
Portfolio Risk Model using Kelly Criterion and Monte Carlo Simulation

For decades, traders have been using the Kelly Criterion formula to determine the optimal proportion of capital to allocate to an investment or bet to maximize long-term growth while minimizing the risk of ruin. However, blindly following Kelly Criterion using the result of a single backtest is often dangerous for individual traders, as in live trading, trading edge diminishes over time, and past performance is no predictor of future result. In this article, I will present a realistic approach to applying the Kelly Criterion for one or more EA's risk allocation in MetaTrader 5, incorporating Monte Carlo simulation results from Python.

Zhuo Kai Chen
Zhuo Kai Chen
I personally have some critical thoughts about developing machine learning models as filters for trend-following strategies. We all know that trend-following strategies primarily profit from a few outlier trades that offset most of the losses. This characteristic of profit distribution is difficult to capture with a binary classifier. While we can attempt to minimize this issue by assigning greater weight to the higher profit class, it remains challenging. Intuitively, predicting long-term profits is akin to forecasting prices, which academia often regards as a mystery. Dr. Ernest P. Chan, the author of "Quantitative Trading", stated that using tree models to predict short-term prices is much easier than predicting long-term prices—similar to how forecasting the weather for the next minute is easier than predicting it for tomorrow. I strongly agree and have found success using such models to predict short-term mean reversion strategies.

Recently, a fund manager from Man Group gave a lecture about CTAs (Commodity Trading Advisors) at my university. He mentioned that they rarely use machine learning in their CTA bots, which baffled me. Literally, one of the most successful firms in the world prefers simple rules and intuitive algorithms over sophisticated methods. I asked him why, and he explained:

1. They tried using machine learning to mine alphas but failed miserably.
2. They attempted to use it as a filter, similar to what we discussed in this article, but it barely worked, achieving only 80% correlation. This means it provided almost no additional edge compared to the original strategy.
3. They found success in using machine learning to select the best strategy for a given market.

Regarding the third point, I wondered why they didn’t simply test each strategy for every market and compare the results. However, I assume they find it more efficient to cluster markets for certain strategies, especially since they trade over 6,000 assets. They believe the aforementioned theory explains their obstacles, as they primarily use trend-following strategies for their CTA bots.
Zhuo Kai Chen
Published article Utilizing CatBoost Machine Learning model as a Filter for Trend-Following Strategies
Utilizing CatBoost Machine Learning model as a Filter for Trend-Following Strategies

CatBoost is a powerful tree-based machine learning model that specializes in decision-making based on stationary features. Other tree-based models like XGBoost and Random Forest share similar traits in terms of their robustness, ability to handle complex patterns, and interpretability. These models have a wide range of uses, from feature analysis to risk management. In this article, we're going to walk through the procedure of utilizing a trained CatBoost model as a filter for a classic moving average cross trend-following strategy. This article is meant to provide insights into the strategy development process while addressing the challenges one may face along the way. I will introduce my workflow of fetching data from MetaTrader 5, training machine learning model in Python, and integrating back to MetaTrader 5 Expert Advisors. By the end of this article, we will validate the strategy through statistical testing and discuss future aspirations extending from the current approach.

Zhuo Kai Chen
Registered at MQL5.community