Home Finance Crypto derivatives exchange OPNX to shut down in February 1 year ago 1 year ago Crypto derivatives exchange OPNX to shut down in February by MK Manoylov 1 year ago1 year 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