StockAvg

ETF Average Cost Calculator

Blended average cost for ETF shares.

Your trades never leave your browser — all math runs locally.

Try: Lots (shares, price, fee)=50,200,0,50,210,0 → 100.0000, $20,500, $0, $205

How to use

ETFs are bought like stocks; enter each purchase as shares, price, fee to see the weighted average you paid.

FAQ

ETF vs mutual fund averaging?

Same math — ETFs just trade intraday while mutual funds price once daily.

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