On June 30th, 11:59pm, I will look at the value of Bitcoin using https://coinmarketcap.com/currencies/bitcoin/ to determine whether it's above $26,500.

Resolves YES if it clearly show a number that's above $26,500

NO otherwhise.

If it were to be exactly $26,500 (which.. most likely not be the case), I will resolve it as NO to stay true to the title.

I simply took the highest and the lowest point of Bitcoin's value during June and took the average, resulting in 26,500 when rounded.