Ever since the creation of the Hive fork back in March 2020, HBD never lost its peg on the downside. It has lost its peg on the upside so to speak, trading at more than one dollar, but nobody is complaining about that.
The on chain price (strong white on the chart) has been steady at one dollar, while the market price (the grey on the chart) has at times been trading around 0.95-0,97, but this is mostly because of the low liquidity on HBD, and the 3.5 days conversion time that can cause a lag.
If we zoom back from 2016 we have this:
Here we can notice the deppeging of HBD, formerly HBD back in 2019, when it dropped to 60 cents.