如何计算Dollar Cost Averaging
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Dollar-cost averaging invests a fixed amount regularly, reducing the impact of market volatility. By buying more shares when prices are low and fewer when high, it lowers the average cost per share.
公式
Average cost per share = Total invested / Total shares acquired
分步指南
- 1Enter investment amount, time period, and price history
- 2Calculate shares purchased each period at current price
- 3Sum total spent and shares to find average cost
例题解析
输入
Monthly: $500, Prices: $50, $40, $60
结果
Avg cost ≈ $49.17/share
vs simple average of $50
常见错误注意事项
- ✕Confusing with buying a lump sum at average price
- ✕Ignoring fees and slippage
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