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        Moomoo Quant Trader: No Code Anymore?

        Views 84072022.09.21

        What is Quantitative Trading?

        Key Takeaways

        • Quantitative trading mainly relies on data and models to find investment targets and investment strategies.

        • The strengths of quantitative trading mainly include discipline, systematicness, timeliness, and diversification.

        • The weaknesses of quantitative trading mainly include sample error and sample bias, strategy resonance, misattribution, and black box.

        Concept Illustration

        In recent years, quantitative trading has emerged as one of the investment strategies with increased popularity. So, what is quantitative trading? Simply speaking, quantitative trading is the process of using computer technology with specific mathematical models to find investment ideas and implement investment strategies.

        Traditional investment methods mainly include fundamental and technical analysis, while quantitative trading relies on data and models to find investment targets and make investment decisions.

        Quantitative trading does not rely on personal feelings to manage assets but uses quantitative models based on appropriate investment ideas and experiences. It uses computers to process massive amounts of information, summarize the market dynamics, and establish investment strategies that can be reused and optimized repeatedly to guide the investment decision-making process.

        In terms of application, quantitative trading covers almost the whole investment process, including quantitative stock selection, quantitative timing, stock index futures arbitrage, commodity futures arbitrage, statistical arbitrage, algorithmic trading, asset allocation, and risk management.

        Strengths of quantitative trading

        Compared with traditional investment methods, quantitative trading has both strengths and weaknesses, and the strengths are mainly as follows.

        (1) Discipline

        Traditional investing is largely influenced by human emotions such as greed and fear. It is sometimes challenging to ensure the discipline of trading.

        Quantitative trading is based on discipline. Strictly implementing the investment instructions given by the quantitative trading model, it will not change randomly with the change of investor sentiment.

        (2) Systematicness

        The systematic features of quantitative trading mainly include multi-level quantitative models, multi-angle observation, and massive data processing.

        The multi-level model mainly includes a large-class asset allocation model, an industry selection model, and a stock selection model.

        Multi-angle observation mainly includes analysis of macrocycle, market structure, corporate valuation, growth and earnings quality, market sentiment, and other perspectives.

        The mass data processing means that quantitative trading can obtain data and information processing capabilities far beyond the human brain through computers, thereby capturing more potential investment opportunities.

        (3) Timeliness

        Quantitative trading can timely track market changes, constantly discover new statistical models that lead to excess returns, and look for new trading opportunities. Quantitative trading continuously looks for valuation depressions, and through comprehensive and systematic scanning, it seeks to opportunities brought about by mispricing and misvaluation.

        (4) Diversification

        The essence of quantitative trading's diversification is to seek by probability. This is manifested in two aspects: on the one hand, quantitative trading discovers rules from historical data, which are primarily strategies with a high probability of profit in the past; on the other hand, quantitative trading profit by selecting a portfolio of stocks, instead of one or a few stocks. Please note that diversification does not guarantee a profit or protect against losses in a declining market.

        Weaknesses of quantitative trading

        After walking through the strengths, the following lists several weaknesses of quantitative trading.

        (1) Sample error and sample bias

        Many quantitative trading strategies rely heavily on historical data. Nevertheless, historical data may lack sufficient diversity and long-term accumulation so that sampling could be error-prone due to a small number of samples or deviate due to non-random sampling. The correlation law obtained on this basis may become invalid once it leaves the sample range, thus losing its reference value.

        (2) Strategic resonance

        Many quantitative strategies are similar to technical analysis strategies. Once a particular strategy has proven effective, its effectiveness diminishes as the number of users increases, known as strategic resonance.

        (3) Misattribution

        The reason is inferred from the data results in the widely used multi-factor quantification strategy. As long as enough factors are constructed, it is likely to achieve a specific known result.

        However, when a quantitative strategy based on this multi-factor combination is used in actual trading, it may fail due to misattribution. Because the cause is reversed from the effect, it is impossible to distinguish accidental and decisive causal factors precisely.

        (4) Black box

        Various quantitative strategies, including high-frequency trading, hedging, or arbitrage, often have no inherent causal relationship. The effectiveness of these strategies is mainly based on the strong correlation of historical data. The logic of the strategies lies in the fact that if there is a 55% or greater probability of being effective based on historical data, then the odds of winning will accumulate as long as there are enough data duplications.

        But with only correlation and no understanding of intrinsic causation, investors cannot predict when history cannot guide the future. It's like a turkey whose owner comes to feed it every day, but the owner comes to kill it on the last day.


        Moomoo is a professional trading app offered by Moomoo Inc. In the U.S., investment products and services on Moomoo are offered by Futu Inc., Member FINRA/SIPC. In Singapore investment products and services are offered through Futu Singapore Pte. Ltd., regulated by the Monetary Authority of Singapore (MAS). This advertisement has not been approved by the MAS or any other regulatory organization. Moomoo Inc., Futu Inc. and Futu Singapore Pte. Ltd are affiliated companies.

        Any illustrations, scenarios, or specific securities referenced herein are strictly for illustrative purposes. Past investment performance does not guarantee future results. Investing involves risk and the potential to lose principal.

        Trading financial markets are inherently risky. Thus, an important component of quantitative trading systems is risk management. Risk is essentially anything that can interfere with the successful performance of a quantitative trading system. In the market, quants face different types of risks. There is, of course, market risk, which means that price changes of underlying financial assets can be fast and dynamic such that losing trades are generated. But this is not the only risk quants are exposed to. There is also capital allocation, technology risk, broker risk, and even personality risk (but this can be mitigated with automation). Automatic investment strategies do not ensure a profit or protect against losses. 

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        This presentation is for informational and educational use only and is not a recommendation or endorsement of any particular investment or investment strategy. Investment information provided in this content is general in nature, strictly for illustrative purposes, and may not be appropriate for all investors. It is provided without respect to individual investors’ financial sophistication, financial situation, investment objectives, investing time horizon, or risk tolerance. You should consider the appropriateness of this information having regard to your relevant personal circumstances before making any investment decisions. Past investment performance does not indicate or guarantee future success. Returns will vary, and all investments carry risks, including loss of principal. Moomoo makes no representation or warranty as to its adequacy, completeness, accuracy or timeliness for any particular purpose of the above content.

        Moomoo is a financial information and trading app offered by Moomoo Technologies Inc.

        In the U.S., investment products and services available through the moomoo app are offered by Moomoo Financial Inc., a broker-dealer registered with the U.S. Securities and Exchange Commission (SEC) and a member of Financial Industry Regulatory Authority (FINRA)/Securities Investor Protection Corporation (SIPC).

        In Singapore, investment products and services available through the moomoo app are offered through Moomoo Financial Singapore Pte. Ltd. regulated by the Monetary Authority of Singapore (MAS). Moomoo Financial Singapore Pte. Ltd. is a Capital Markets Services Licence (License No. CMS101000) holder with the Exempt Financial Adviser Status. This advertisement has not been reviewed by the Monetary Authority of Singapore.

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