Knowledge hub

Guides on return metrics, bonds, FX and portfolio tools — written for long-term investors who want numbers they can trust. For app-specific Q&A see the FAQ.

What is XIRR? Money-weighted return

Money-weighted return with every cash flow on the right date — buys, sells, dividends and coupons.

English

Broker price vs true return

What pure price performance hides: distributions, fees and FX effects — with EUR/USD cases A/B.

English

cashlog vs Portfolio Performance vs Parqet

Local disk, bonds/YTM, ECB FX and DACH tax views — short English comparison.

English

FX calculator (EUR/USD effect)

Interactive tool: local return, FX effect and total euro return — DE/EN switcher on the page.

Tool · DE/EN

Why XIRR can be the honest return metric

Money-weighted return with every cash flow on the right date — buys, sells, dividends and coupons.

Article in German

Broker price vs real return

What pure price performance hides: distributions, fees and FX effects.

Article in German

Sharpe ratio: risk-adjusted return

When volatility matters and how to read risk-adjusted performance.

Article in German

What is YTM? Return to maturity

Bonds, accrued interest and yield to maturity in plain language.

Article in German

Understanding tax on your statement

How withholding tax shows up on brokerage statements — not tax advice.

Article in German

cashlog vs Portfolio Performance vs Parqet

Local data, bonds, FX and return methodology — an honest comparison.

Article in German
The full Q&A collection (multi-portfolio, scan, privacy) is available in German under Wissen (DE). App questions in English: FAQ.