A lot of top NBA prospects are skipping the NBA combine for a variety of reasons, but that doesn't mean they don't want to show us their physical gifts. Take Andrew Wiggins for example:
YO THAT'S REALLY DAMN HIGH. We can't see what the reading on the slappy things is, but we can see the man and the wall and we can estimate that Andrew Wiggins's standing vertical is approximately All Of It. Here, for reference, is how high Wiggins is right there:
So yeah, Andrew Wiggins can jump high. There are your combine results.