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Interest on 'almost liquid' funds (3 days lock) is not something my bank would offer me.
The alternative might be to introduce the option 'to stake' HBD in the same manner we stake Hive ( for 3 month)
Both 'staked Hive' and 'staked HBD' should be taken into account for calculating 'vesting shares' then.

I think your bank would call it a cd, and require a longer lock.

Interest on locked liquid hive brings the hive back from the exchanges, gets diluted a little less, and still rewards authors by inflating the inflation.

HBD was designed to be a currency, not a store of value, though it does that, too.
It primarily gives us a way of avoiding 10k hive pizzas being worth 350m usd at some point in the future.
Hold your hive, spend your hbd.

What benefit does staking hbd give the chain?

HBD is 'Hive But Disguised', there's no reason to give any special preference to the Hive holders over the HBD holders.
Let's say Alice spent $100 to buy 1000 Hive and Bob spent $100 to buy 100 HBD.
I can't see why Alice should have more 'rights' than Bob.

I'd go for the witnesses to pay interest on hbd when it is below the peg, but getting those folks to do things from outside their own worldviews is like pulling teeth.

I'm not sure that paying interest on debt outside the witness parameter is a good thing.
We'll have to consult a better mathematician than me.

  1. When people stake, even for 3 days, it takes those coins off the market. They can't be sold even if the price were to increase above $1. That removal from the volume of potential sellers should tend to increase the price a bit more than paying the same rate interest on fully-liquid HDB.
  2. Since some people do want fully-liquid HDB, they would not receive interest and the total cost of interest would be lower and/or the rate of interest higher for those who do get it.

I just hope we can get some movement here, it's been several calendar years that we have been waiting.

We've been having these conversations since hf16.

At this point, any forward movement gets me excited.