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August 17, 2015, 06:11:17 AM |
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They probably take a 24 hour average from some exchange. Perhaps Bitstamp.
What do you mean "impossible to get that price from an exchange", to retrieve that value? (through an API) or you mean to "get that price" as in, selling bitcoins and actually receiving that amount?
First: yes that's possible, most exchanges have an API. Second: depends, typically the average price of the past 24 hours will not be exactly the same as what you're paying or getting now. It also largely depends on the volume you want to trade.
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