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 2026-10

$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 2026-10-13 (Kraken OHLC API docs). Coverage 2013-09 to 2026-10, bundled so it works offline. Monthly closes are approximate. Past performance does not guarantee future results. Not financial advice.