Some hoards are already factored into market pricing.
Some hoards are not factored into market pricing, or will never affect market pricing.
Some people have started hoards that have determinied new market pricing.

Which is which? If a hoard has already had its effect on market pricing, it is still a hoard?

How many of a single chip must I amass to be eligible for a "hoard" label?

The "hoard alert" is going to be a lot of work for something that will be the equivalent of one of those "California poison warnings" that is on just about every consumer object now. Almost nobody is going to pay it the least bit of attention.