There is growing speculation in the media that a global central bank intervention will be announced in the coming days. There can multiple types of such intervention but the primary two would be (1) liquidity facilities or (2) printing.
Judging by the movement in asset classes today, the probability of such intervention seems minimal as the USD for example was up on the session while the risk off currency AUD/USD was down and continues to trend lower after signaling short on the model over a week ago. But in this market any form of central bank intervention is always both probable and possible.
So if something were to come which I am not saying it will, just trying to decipher what the markets think, then it would likely be in the form of