The latest US ISM Non-Manufacturing PMI number has been released as 64.
There is a 71.42% probability that GBPUSD will trend down for the next few hours.

This probability is based on the last 12 US ISM Non-Manufacturing PMI events, in which 5 of the last 7 events where the actual number was greater than than the economist consensus resulted in an down trend of GBPUSD.

Here are images of the past events:

Wednesday 03 Feb at 03:00 PM GMT:

Thursday 07 Jan at 03:00 PM GMT:

Monday 05 Oct at 02:00 PM GMT:

Wednesday 05 Aug at 02:00 PM GMT:

Monday 06 Jul at 02:00 PM GMT:

Disclaimer: Past performance may not be indicative of future performance