It is no-longer pegged. And anyway, it was never hard pegged, only soft pegged. The name of SBD was changed in the updated white paper, aka the blue paper, to Steem Blockchain Dollars https://steemit.com/steem/@steemitblog/announcing-the-steem-bluepaper
https://steem.io/steem-bluepaper.pdf
Hope this helped answer your question :)
RE: STEEM vs SBD....DO NOT UnderEstimate SBD!!!