Do more holdings really make a portfolio more diversified?
Look through funds and separate account-line counts from actual issuer, sector, and household exposure.
Read the guide →Risk and portfolios / 8 guides
What could I be overlooking?
Understand concentration, drawdowns, liquidity and portfolio exposures before thinking about upside.
How much can one position cost your whole portfolio?
Translate position weights and hypothetical price declines into portfolio losses, while keeping planned exits separate from actual risk.
Read the guide →Why does a 30% loss need more than a 30% recovery?
Calculate recovery from a smaller base, distinguish account deposits from investment gains, and avoid turning breakeven into a forecast.
Read the guide →What would it cost to turn this holding into cash?
Measure the spread, distinguish a displayed valuation from executable depth, and stress an exit without assuming current quotes will persist.
Read the guide →What if investments that usually differ fall together?
Test diversification under changing relationships, distinguish correlation from loss magnitude, and build joint scenarios without false precision.
Read the guide →Why can a foreign investment rise while your return falls?
Calculate the combined asset and currency return, distinguish trading currency from exposure, and connect measurement to future spending.
Read the guide →When does rebalancing solve a real portfolio problem?
Calculate allocation drift and compare selling with new contributions, while weighing costs, tax consequences, and policy discipline.
Read the guide →What should you do when the probabilities are not knowable?
Separate measurable scenarios from unsupported probability estimates and build a decision process around consequences, evidence, and flexibility.
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