Why? Looks like both these cryptos started to trade on the Korean Crypto Exchange called KRW.
Here is the daily chart for Steem: (Up 17% right now)
Comment: Steem has been in a downtrend since June so it is about time for Steem to make a move here.
Here is Steem Based Dollar (up an amazing 120%)
Comment: SBD is vaguely pegged to the USD but it is still highly volatile as you can see from the chart. Whats nice here is that the volume is really picking up which is a very bullish sign.
Thats all I have for now, but I will keep you updated on the Steem development.
Happy blogging and trading!