kokoi: stock average cost calc

See your real average cost including fees, gauge each trade's impact, and simulate before you buy — now with custom tags to group stocks by market or strategy.

Kokoi Stock Average Cost Calculator is a simple and efficient tool designed for investors who want to better manage their positions.

Whether you’re averaging down or planning your next trade, this app helps you quickly calculate your updated average cost and understand how each trade impacts your portfolio.

New: Visual Insights • Track how your average cost changes after each trade • Visualize your cumulative profit over time • Understand the real impact of your trading decisions

New: Tags & Grouping • Organize stocks with your own tags — group by market, strategy, or anything you like • A stock can belong to multiple tags at once • Switch between groups from a side drawer; create, rename, reorder, or delete tags anytime • Tags appear in the stock list and on the detail page, and you can add them when creating a stock

Key Features • Calculate average cost after multiple buys • Support for different fee structures and real cost tracking • Simulate buy and sell strategies before execution • Clean and intuitive interface with instant results • No account required — your data stays on your device

This app is designed as a utility tool only. It does not provide financial advice. Make smarter, more informed decisions with clarity and simplicity.