The lessons
- 8.1
Don't keep all your acorns in one tree
How spread out is spread out enough — and how to spot a lopsided portfolio.
- 8.2
Thirty holdings can still be one bet
Counting holdings measures the wrong thing.
- 8.3
What correlation looks like on a chart
Two lines that move together, and what that costs you.
- 8.4
What concentration risk actually means
The winner that grew fastest is now your biggest risk.
- 8.5
Home bias: why UK investors hold so much UK
Familiarity, dividends, and an accidental currency bet.
- 8.6
Asset allocation: the decision that does most of the work
The split between kinds of things you own, before which things you own.
- 8.7
Position sizing without a formula
Why "how much" is a question about consequences, not maths.
- 8.8
Rebalancing explained without the jargon
Trimming what grew, topping up what didn't, back toward your targets.
- 8.9
Lump sum vs regular contributions
What each approach does mechanically. Described, not recommended.
- 8.10
What the portfolio health score is measuring
The four inputs behind the number, and what each one can't see.
Educational content only. It is not personal financial advice.