Home Finance Crypto derivatives exchange OPNX to shut down in February 2 years ago 2 years ago Crypto derivatives exchange OPNX to shut down in February by MK Manoylov 2 years ago2 years ago Users on OPNX have until Feb. 8 to settle positions and Feb. 14 to withdraw funds and export historical data. Source link Post PaginationPrevious PostPreviousNext PostNext