You could give it a try, but it's a Mediterranean-type species and might suffer from fungal diseases in the humid east US.

I have a containerized olive that I protect over winter but it has no issues with fungal problems for as long as I'v had it. However, I do suggest that your site for planting in the ground have excellent drainage, even consider placement within a raised bed.

Zone 6 is very iffy. If you want it to live, I'd suggest planting in a container so it can be moved indoors for winter protection. Also Nikita Jubilee is not self fertile so will need a second, different olive for pollination. Not that fruiting is all that likely :-( Olives will grow here outside with minimal difficulty but they almost never will produce fruit.....or fruit that is able to ripen.