This Tuesday 17 Apr at 09:00 AM GMT the latest DE ZEW Economic Sentiment Index number will be released.
If the number is greater than than economists’ consensus there is a 75% probability that GBPUSD will trend up following the news event.

This probability is based on the last 12 DE ZEW Economic Sentiment Index events, in which 3 of the last 4 events where the actual number was greater than than the economist consensus resulted in an up trend of GBPUSD.

Here are images of the past events:

Tuesday 23 Jan at 10:00 AM GMT:

Tuesday 19 Sep at 09:00 AM GMT:

Tuesday 11 Apr at 09:00 AM GMT:

Disclaimer: Past performance may not be indicative of future performance