is us100 the same as nas100?

Hey guys, so is us100 the same instrument as nas100? and if yes, why the difference in name?

Yes, US100 means an index that tracks the health of 100 biggest U.S. companies listed on the Nasdaq stock exchange and some people choose to call it NAS100.

US100, NAS100, USTECH100 etc. all mean the same thing - the Nasdaq Index