If Are any UFOs actually highly-advanced technology?22% resolves YES, this market resolves to the correct answer. If we find out that they are advanced technology but it's unclear who created them, this market remains open until we have a definitve answer.
"Human" means specifically the humanity we live in. If they were created by biologically-human creatures from a parallel universe's Earth, this market resolves to YES.
If that market resolves NO, this resolves N/A.
These markets are all over the place and completely inconsistent. This market should be at 60% right now, and I bid YES because the related market below has been consistently favoring NHI over advanced human technology:
I agree, but looking around I see that we don't have a good market to establish the base rate of this. So I've made one: