Nice thread. I've put a link into my main post on the same subject, What is going on with SBD?, with an explanation on how SBD is designed to have a pegged floor of $1.00USD, but there's no upper cap so it is able to overprice if market participants create sufficient demand. It makes sense, otherwise we'd have a real inflation problem. If someone want's to pay 3 times its guaranteed rate, so be it. Sell them your SBD!

Like others have said here as well, I think this is also very good news for STEEM too.