📅 Explorer lab

DCA vs Lump-Sum Backtester

Using approximate historical Bitcoin prices, compare investing a fixed amount every month (DCA) with investing everything at once — from any start date.

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The analogy

Buying fruit weekly at whatever the price is vs filling the fridge once.

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Prices are approximate quarter-end closes interpolated monthly — good for learning, not for real analysis.

Portfolio value

DCA valueLump-sum valueTotal invested

🧠 What this lab teaches

  • DCA buys more units when prices are low.
  • Lump sum usually wins in rising markets.
  • Start date luck is huge — test many.
  • Neither method fixes a bad asset.

🔒 This simulator runs entirely in your browser with fictional data. Never type a real seed phrase or private key into any website.