"Y Guess" is a great business name for a company or an app that gives you answers to all your guesses.
The word "yguess" contains only six letters and only two syllables. Two-syllable names are extremely rare and very valued. Established brands using two syllable names include Starbucks, Lego and Facebook.
This domain was first registered in October 2004. Older domains have an advantage when ranking in search engines.
Yguess.com is a .com domain. Dot com domains are the most valued domain extension in the world, used by famous websites like youtube.com. Once secured, a .com all but guarantees no-one else can outrank you for your own name in the long run.