DCA Calculator
See how investing a fixed amount into an asset on a regular schedule would have performed using real historical prices. Pick a stock, ETF, commodity or cryptocurrency, set your amount, frequency and date range, and the calculator simulates every purchase - showing your final value, ROI, best and worst months, and how dollar-cost averaging compares with investing the same money as a lump sum.
使用方法 DCA Calculator
DCA計算ツール
| 日付 | 価格 | 金額 | 購入しました | 総台数 | 投資総額 |
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How to Use This Tool
Choose an asset from 20 supported instruments - including Bitcoin, Ethereum, Apple, NVIDIA, the S&P 500 ETFs (VOO, SPY), and gold - then enter your periodic investment amount, the frequency (daily, weekly or monthly), and the date range. The calculator pulls real daily closing prices and simulates every single purchase on its due date.
Features
- Real historical prices - Daily closing prices from Binance (crypto) and Stooq (stocks, ETFs and gold), dating back to 2017.
- Full investment simulation - Every purchase is executed at that day price, with running units and invested totals.
- DCA vs lump sum - Compare your periodic investing result with investing the same total amount on day one.
- Best and worst months - See which months delivered the biggest gains and losses for the asset in your window.
- Value-over-time chart - Visualize your portfolio value climbing against the total amount invested.
- Monthly breakdown table - Every purchase: date, price, amount, units bought, total units and total invested.
- 30+ currencies - All results convert into your local currency with live exchange rates.
Understanding the Numbers
The simulation invests the same amount on every scheduled date using that day closing price. Total units = sum of amount / price per purchase; current value = total units x the latest price in the range. ROI = (current value - total invested) / total invested. The lump sum comparison invests the full amount once, on the start date, and holds until the end of the range.
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