I'm not sure why but coinmarketcap doesn't even seem to report the HBD price correctly. For example, right now it reports it as $1.07, but the only exchange listed there is Upbit, which CMC reports at $0.9946. It's odd.
Coingecko looks better but I haven't done a careful comparison over time.
RE: Data on the HBDStabilizer Performance | HBD Added in the DHF and Removed from Circulation