Is Trading Luck or Skill? Quant Debunks Trading Gurus with Math

Video Description

*🚀 Master Quantitative Skills with Quant Guild* https://quantguild.com *📈 Interactive Brokers for Algorithmic Trading* https://www.interactivebrokers.com/mkt/?src=quantguildY&url=%2Fen%2Fwhyib%2Foverview.php *👾 Join the Quant Guild Discord server here* https://discord.com/invite/MJ4FU2c6c3 ___________________________________________ *🪐 Jupyter Notebook* https://github.com/romanmichaelpaolucci/Quant-Guild-Library/blob/main/2025%20Video%20Lectures/46.%20Is%20Trading%20Luck%20or%20Skill%20Quant%20Debunks%20Trading%20Gurus%20with%20Math/is_trading_luck_or_skill.ipynb TL;DW Executive Summary: - Games of chance are fundamentally different from games of incomplete information where optimal decision making impacts outcome and EV - Even when acting randomly, some traders will become "consistently" profitable and preach their winnings to others as if they know what they are doing - Professional traders may act optimally, and their edge may be well defined and well traded, unfortunately they are in the same pool as these other folks in that it is near impossible to confirm or reject from cursory performance measures - Discerning if you are acting optimally is not a trivial task and past performance isn't indicative of future outcomes, signal decays, statistical mispricings are corrected, so on and so forth (there is no such thing as a one man set-and-forget quant/hedge fund) - Folks suggesting they have a holy grail money printing strategy day trading are lying and trying to sell you some trading lessons - Ironically, if gurus teach 1,000 people some will necessarily (statistically) randomly become "consistently profitable" which will enable these gurus to parade around cherry picked results and tell other students they just "weren't dedicated" or "didn't understand the course" I hope you enjoyed! - Roman ___________________________________________ *📖 Chapters:* 00:00 - YouTube Traders, Fraud, and Scams 04:44 - Gambling and Expected Value 07:42 - Poker and Trading 11:18 - Why is Poker and Trading so Difficult to Learn? 13:02 - What about Professional Poker Players and Traders? 14:20 - Example: Day Traders with Net 0 EV 16:09 - Debunking Trading Gurus and Trading Schools 18:59 - Example: "Profitable" Day Trading Operation 19:31 - One of the Most Incorrect Statistical Statements I've Ever Heard 21:55 - Trading Gurus vs. Quantitative Trading 23:04 - Is Trading Luck or Skill? 24:52 - TL;DW Executive Summary ___________________________________________ *🗣️ Shout Outs* A special thank you to my members on YouTube for supporting my channel and enabling me to continue to create videos just like this one! *⭐ Quant Guild Directors* Dr. Jason Pirozzolo ___________________________________________ *▶️ Related Videos* *Quant Builds 🔨* How to Build a Volatility Trading Dashboard in Python with Interactive Brokers https://youtu.be/19-rFVgJVkg *Statistics and Trading Profitability Over Time (Edge) 📈* Expected Stock Returns Don't Exist https://youtu.be/iXNSBn5xqrA How to Trade https://youtu.be/NqOj__PaMec How to Trade Option Implied Volatility https://youtu.be/kQPCTXxdptQ How to Trade with an Edge https://youtu.be/NlqpDB2BhxE How to Trade with the Kelly Criterion https://youtu.be/7tvW3NvRnPk Quant Trader on Retail vs Institutional Trading https://youtu.be/j1XAcdEHzbU Quant on Trading and Investing https://youtu.be/CKXp_sMwPuY ___________________________________________ *🗂️ Resources* *📚 Quant Guild Library:* https://github.com/romanmichaelpaolucci/Quant-Guild-Library *🌎 GitHub:* https://github.com/RomanMichaelPaolucci https://github.com/Quant-Guild *📝 Medium (Blog):* https://quantguild.medium.com/ https://medium.com/quant-guild ___________________________________________ *🛠️ Projects* *The Gaussian Cookbook:* https://gaussiancookbook.com *Recipes for simulating stochastic processes:* https://papers.ssrn.com/sol3/papers.cfm?abstract_id=5332011 ___________________________________________ *💬 Socials* *TikTok:* https://www.tiktok.com/@quantguild *Instagram:* https://www.instagram.com/quantguild/ *X/Twitter:* https://x.com/quantguild/ *LinkedIn (personal):* https://www.linkedin.com/in/rmp99/ *LinkedIn (company):* https://www.linkedin.com/company/quant-guild ___________________________________________