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Bitcoin DCA Calculator

A brutalist web calculator for Bitcoin Dollar Cost Averaging strategy simulation.

Features

Historical Bitcoin price data from 2010-2025
Daily, weekly, and monthly DCA frequency options
Portfolio value tracking and profit/loss analysis
Interactive chart visualization
Transaction history with uniform sampling
Dark/light theme toggle
Local storage for calculation persistence

Stack

Vanilla HTML/CSS/JavaScript
No frameworks
No dependencies
Pure brutalist design

Data Source

Bitcoin price data sourced from CSV with fallback to comprehensive historical dataset.

Raw. Simple. Functional.