Calculator

Bitcoin DCA backtester

What if you had bought a fixed dollar amount of bitcoin every month? Uses real monthly closing prices; fees and taxes are not included.

Monthly amount (USD)

Start month

End month

Invested

$9,400

Value at Oct 2026

$37,457

BTC stacked

0.44795497

Return

+298.5%

Avg cost basis $20,984/BTC · 94 monthly buys at each month's last observed close · no fees included

Portfolio valueTotal invested

BTC price data: Kraken public OHLC API (XBT/USD, 15-day candles; last close observed in each month), fetched Oct 13, 2026 (Kraken OHLC API docs). Coverage September 2013 to October 2026, bundled so it works offline. Monthly closes are approximate. Past performance does not guarantee future results. Not financial advice.