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The volume in the last 24 hours is 10% of the market cap.. Nothings changed - people are just paying more for a $1 smart contract - I guess you would call it"trading at a premium". Look at the graph below for a 3 month view - the price is green the price of bitcoin is orange - you can see a relationship between the two.. the SBD got bought up probably because everyone is using the same trading software (and not doing their due dilligence) ;)

Coin Marketplace

STEEM 0.17
TRX 0.15
JST 0.029
BTC 61829.34
ETH 2395.18
USDT 1.00
SBD 2.63