With less than two days until the outcome of the Brexit referendum, traders around the world know two things: in a scene reminiscent of Lehman Sunday, everyone will be ready to trade the nanosecond the first results are released resulting in a supernova of volatility and an unprecedented burst in volume or… markets will simply grind to a halt as banks refuse to take risk positions and execute client orders, all bids and offers are withdrawn as the last trace of liquidity evaporates, and central banks are forced to start trading with each other in the open market.