Most risk of ruin calculators assume your trades happen one at a time and have nothing to do with each other. Real portfolios hold several correlated positions at once. This one models that, and the difference is usually large.
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Risk Of Ruin In Trading: Why The 2% Rule Fails
Risk of ruin is the probability your account falls to a level you cannot recover from before your edge pays you. Here is what 100,000 simulated accounts show about position sizing, and why the 2% rule is weaker guidance than it looks.
Trading Psychology Books: 9 Worth Reading (And 1 Warning)
I have read more than 150 trading books. Maybe 5 to 10 genuinely changed how I trade, and most of the psychology ones did not make that list. Here are the 9 worth your time, and the one problem none of them solve.
The Hedge Fund Graveyard: 62 Blow-Ups in 20 Years and What They Teach You
Every major hedge fund blow-up from 2005 to 2026 classified by cause. 62 funds, five charts, and the risk lessons every private trader should take from them.
Sharpe Ratio Explained: What It Tells a Systematic Trader (and 4 Things It Hides)
The Sharpe ratio is the finance industry’s favourite risk metric, and it quietly misleads traders. Here is what it measures, what a good value is, and the four things it hides, plus the drawdown-based metrics that tell you more.
What Is a Trading Edge? A Systematic Trader’s Complete Guide
Most traders think they have an edge. Almost none can prove it. A real trading edge is a backtested, positive-expectancy advantage that lives in your rules – here is what it is, where it comes from, and how to quantify it.
Portfolio Construction for Traders: How to Build a Portfolio of Trading Systems
One trading system is fragile. Learn to build a diversified portfolio of uncorrelated trading systems, allocate capital across them, and smooth your equity curve.
I Tested the Buy the Dip Strategy for 36 Years – Here is what happened
Buying the dip is the oldest advice in the market. So I built it into a rules-based system and tested it on every S&P 500 stock since 1990, including the ones that later went bust. Here is what the data actually said.
Introducing Brokers: What They Are and Why They Could Be Costing You a Fortune
Thousands of traders sign up through an introducing broker without realising it, and pay a hidden markup on every trade. Here is how to spot it and go direct.
Automated Trading Systems: The Complete Guide for Systematic Traders (2026)
A 20-year systematic trader’s complete guide to automated trading systems. Learn the 3-layer framework most articles skip – the real costs – the daily routine – and the honest truth about AI trading bots.