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Plain-English guides to the concepts behind the calculators. Each one explains how it works, then links you straight to the tool to run your own numbers. No jargon, no fluff.

Options income

The wheel strategy, explained

Sell a cash-secured put, take assignment, then sell covered calls: how the wheel works, step by step.

Risk & performance

What is a good Sharpe ratio?

What the Sharpe ratio measures, rough benchmarks for what counts as good, and why context matters.

Recovering from a stock loss

Why a 50% loss needs a 100% gain to break even, and what that asymmetry means for protecting capital.

Taxes & income

Qualified vs ordinary dividends

Why qualified dividends are taxed at lower rates than ordinary ones, and how to tell which you hold.

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