steem and steem dollars both are different . steem dollars creatde for stimmit platform so that users support each other buy power etc. steem can go down and rise with according to crypto market but SBD lesss popular for trading purpose. The reasons why SBD down is one of the reasons is people want to collect SBD free instead of buying it from exchanges. If all stimmit users buy at least 10 SBD than it will go over 50$
So stimmit users should focus on no SBD