It's indexed to the value of STEEM. The value can fluctuate. It is in the FAQs: https://steemit.com/faq.html#Why_do_the_earnings_for_my_post_go_up_or_down
It's indexed to the value of STEEM. The value can fluctuate. It is in the FAQs: https://steemit.com/faq.html#Why_do_the_earnings_for_my_post_go_up_or_down