Exchange rate peso to dollar in the interbank market with settlement on the second banking business day (48 hrs). The majority of interbank transactions in dollars are carried out in this way, providing a margin of two business days to cover the transaction at this exchange rate is also called spot
The FIX exchange rate is determined by Banco de México on bank business days based on an average of the market prices of wholesale exchanges for liquidated transactions on the next second banking business day.
The FIX exchange is published by the Banxico in Official DOF the previous immediate bank business day its determination