Buying: The exchange rate is locked at the moment Aureo detects your SPEI deposit. The rate shown on the Buy Bitcoin page is an estimate only.
Selling: The exchange rate is locked when you create the sell order and the Lightning invoice is generated. The invoice is valid for 5 minutes; if it expires, a new rate will be quoted.
How exchange rates work
When rates lock and how they are determined.
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Written by Tristan Borges Solari
Updated yesterday