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$1 to $1,000,000,000, put in once in each.

Stocks and funds: today's S&P 500 companies and major index funds, by symbol or name. Prices are in US dollars, and both always start on the same day.

More options: a monthly amount, an earlier end date
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Added to each for every 1st of a month after the start date, on the trading day nearest that 1st, up to $10,000,000. Leave it empty for none.

Leave it empty for the latest close.

Pick two stocks or funds and an amount, then press Calculate.

The chart, the year-by-year values and the method are in the full comparison.

Past prices, not a prediction. Not financial advice. smartfin.fyi →