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Lets say I buy $50 of a bitcoin for 3916.74, And then the price goes up to $4200. How Do I calculate how much I have made in profit? As in What type of formula do I use to see how much more my $50 is worth now that the price is higher than when I bought it?
2I'm voting to close this question as off-topic because it's a basic math question. – Pieter Wuille – 2019-04-26T00:04:20.917