ReturnsReal return vs nominal return: inflation, then currencyNominal return is the raw gain. Real return is what is left after inflation. Invest in another currency and the exchange rate adds a second layer.Read guide →DividendsAutomatic dividend tracking, net of taxTracking dividends by hand is tedious, and the gross figure is not what you keep. Here is how automatic, net-of-tax dividend tracking works, including for foreign holdings.Read guide →AnalysisHow to analyze a stock, in plain languageThe handful of questions that actually matter about any stock, explained simply: trend, valuation, business health, risk, and dividend safety.Read guide →CalculatorHow compound interest is calculated, step by stepThe exact formula behind the StockFly compound interest calculator: what the compounding setting changes, how monthly contributions are counted, what the low and high lines and the today's money figure mean, and where the preset return figures come from.Read guide →CalculatorHow stock profit is calculated, with commissions and dividendsThe exact arithmetic behind the StockFly stock profit calculator: the cost with commission, what a sale brings in, the profit and percentage return, the break-even price, dividends while you held, the yearly rate, and why past prices are adjusted for splits.Read guide →CalculatorHow the Coast FIRE number is calculated, step by stepThe exact arithmetic behind the StockFly Coast FIRE calculator: the retirement target from your spending and withdrawal rate, the return after inflation, the amount needed today, and how soon a monthly saving gets you there.Read guide →
Guides
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