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  • #129·Strategies, Backtested

    Range Expansion Index (REI): The Indicator Traders Are Missing Out On

    May 16, 2025 · 3 min read

    Discover the Range Expansion Index (REI), a powerful RSI alternative proven to enhance trading signals on major indexes.

  • #128·Algo Trading Foundations

    The #1 Lesson Traders Learn Too Late: No Single System Will Save You

    May 9, 2025 · 4 min read

    A real trader's loss reveals the #1 lesson in algo trading: no system is bulletproof.

  • #127·Strategies, Backtested

    Weekly Mean Reversion Strategy: 22,680 Backtests Say the Rule Works and the Volume Filter Does Not

    May 2, 2025 · 10 min read

    Buy the week after a down week, sell that week's close. Tested 22,680 ways on ES and NQ futures plus four index ETFs: the plain rule survives on all six markets with a smaller drawdown than holding, while the published Volume Oscillator (95,100) filter ranks 1st of 139 settings on one market and 137th of 139 on another.

  • #126·Strategies, Backtested

    Volume Oscillator: A Beginner’s Secret to Smarter Trades

    Apr 25, 2025 · 5 min read

    Discover how to use the Volume Oscillator to boost your trade accuracy. Perfect for beginner traders!

  • #125·Market Behavior & Concepts

    What Is the VIX Index? A Beginner’s Guide to Market Volatility

    Apr 18, 2025 · 4 min read

    A simple explanation of the VIX index for beginner traders and investors.

  • #124·Strategies, Backtested

    How the IBS Strategy Made $45K in 2024 — Even in a Down Market!

    Apr 11, 2025 · 4 min read

    Discover how a simple IBS strategy made $45K trading Nasdaq futures—even in 2025’s volatile market. No curve fitting, just results.

  • #123·Strategies, Backtested

    Ultimate C%: A Smarter Mean Reversion Indicator for Beginner Traders

    Apr 5, 2025 · 3 min read

    Discover Ultimate C%, a powerful RSI alternative for beginner traders. Enhance your mean reversion strategy and diversify your trading approach today.

  • #122·Backtesting & Validation

    Robustness Testing: Why Most Traders Fail, and What 36,252 Backtests Say Actually Works

    Mar 28, 2025 · 18 min read

    Robustness testing is the step between a good backtest and deciding whether to trade it. I measured which checks actually predict what a strategy does in held-back history, then retested the whole thing on 53 markets — where the stack still works, several individual checks turn out to have been overstated threefold, and two of them point the wrong way on some asset classes.

  • #121·Strategies, Backtested

    Z-Score Mean Reversion Strategy: 2,400 Backtests on Futures and SPY, and the 74% Win Rate Is a Trap

    Mar 21, 2025 · 9 min read

    The z-score mean reversion strategy tested 2,400 ways on S&P futures and SPY: the famous 74% win rate reproduces on both markets, yet 0 of 1,008 reliable SPY variants beat buy-and-hold, a single leveraged futures contract's buy-and-hold draws down 114% of the account, and the 10-day stable region on SPY clears the study's random control.

  • #120·Tools, Software & Tech Stack

    AI Trading Strategy Development: The Exact Prompts, Step by Step

    Mar 13, 2025 · 5 min read

    The workflow, not the verdict. Four prompts that get a specific, testable strategy out of an AI instead of a paragraph of hedging — and the one step afterwards that decides whether any of it was real.

  • #119·Portfolio & Risk

    Tactical Asset Allocation (TAA): A Smarter Way to Invest Without Market Predictions

    Mar 9, 2025 · 2 min read

    Stop guessing market trends! Learn how Tactical Asset Allocation (TAA) shifts into top-performing assets using momentum investing—no predictions, just data-driven results.

  • #118·Market Behavior & Concepts

    Mastering Market Regimes: When to Trade and When to Stay Out

    Mar 7, 2025 · 5 min read

    Discover how market regimes define trends & volatility, impact trading strategies and how traders can use them to optimize their strategies.

  • #117·Algo Trading Foundations

    Natural Talent vs. Skill in Trading: Why Anyone Can Learn to Trade Profitably

    Feb 28, 2025 · 3 min read

    Is trading a natural talent or a skill anyone can learn? Discover how discipline, strategy, and practice lead to profitable trading.

  • #116·Strategies, Backtested

    Water Fasting for Traders: How to Boost Focus & Clear Brain Fog

    Feb 25, 2025 · 3 min read

    Boost trading focus with water fasting! Discover how fasting clears brain fog, improves decision-making, and enhances energy for traders.

  • #115·Strategies, Backtested

    RSI Deep Dive: How to Trade the S&P 500 Like a Pro with Mean Reversion

    Feb 7, 2025 · 3 min read

    Deep dive into RSI strategies for S&P 500 mean reversion trading. Unlock higher profits with filters and proven optimizations

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StatOasis is calm, evidence-based algorithmic-trading education, founded by Ali Casey. Ali builds systematic trading strategies and teaches the workflow behind them: research, build, test, combine, deploy. He writes the Overfit newsletter, published since 2024, and runs the Algo Trading Masterclass.

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