Stock Average Calculator Pro

Take control of your investments with fast average cost calculations, transaction tracking, scenario planning, local backups, and Excel export.

Take the guesswork out of managing your stock investments. Stock Average Calculator helps you calculate and track the average cost of your stock positions, whether you're averaging down, taking profits, or planning your next purchase.

Designed for investors of all experience levels, the app makes it easy to manage multiple buy and sell transactions, instantly recalculate your average cost, and explore potential investment scenarios before making your next move.

Key Features

• Calculate your average cost across multiple buy and sell transactions

• Track your current position, remaining shares, and average cost per share

• Save unlimited calculations for quick access later

• Search, rename, sort, and organize saved positions

• Use What If scenarios to model future purchases before investing

• Export calculations to Microsoft Excel (.xlsx)

• Create and restore local backups using JSON files

• Add notes to individual transactions

• Clean, modern interface with Light, Dark, and Automatic appearance modes

• Fast, private, and easy to use

Your Privacy Matters

Your investment data stays on your device. Stock Average Calculator does not require an account, does not collect personal information, and does not upload your calculations to external servers.

Whether you're a long-term investor, swing trader, or simply keeping track of your portfolio, Stock Average Calculator gives you the tools you need to make more informed investment decisions.