This is what I have always done when the SBD price is inflated above $1, trade them for Steem. SBD are meant to stay around $1 USD., and eventually get corrected back to $1. It is the hype with no knowledge of how they work that inflates the SBD price.
RE: Never Hold on to SBD! They Are Being Devalued At 583.8% Annually (48.65% Per Month).