Guides
The long version, with real numbers.
Portfolio risk and company accounts, explained end to end — and every guide links to the measures and companies it talks about, so each idea can be checked on live figures.
2026-09-27
How deep can a portfolio fall? Reading drawdown with real numbers
Maximum drawdown, time under water and the typical bad stretch, worked through on one portfolio's six years: how deep, how long, and how often.
2026-09-27
Time-weighted vs money-weighted return: what your timing cost you
Your portfolio has one return and your money has another. The difference is when you paid in — worked through with a two-year example and a real portfolio.
2026-09-27
Why a 42% position can be 68% of your risk
Weight is where your money is; risk share is where your volatility comes from. The two are rarely equal — worked through on a real four-holding portfolio.
RSS feed — new guides as they are published.