wow lol. I guess I have to respond to this crazy thread because my buddy
@Ategy.com mentioned my name.
First off, who really gives a crap about the date? It's a nice metric to follow to find a "higher concentration" of names with value, but the end user doesn't care. The date of BTM has no bearing on its value.
Elevator, You are using confusing terms. I recently wrote an article on this. last month
https://dsad.com/ikes-list-of-domains-at-auction-for-tuesday-july-10th/
You say "dropped" lumping "expired auctions" and "deleted" names in together.
When you say "some that dropped but caught before deleted" you're confusing dropped with expired.
When you say "And there are some that dropped and deleted before catching them" you are again confusing an expired auction with a name that goes through it's whole life cycle. Auto renew grace, Redemption, 5 days of pending delete, deleted for a fraction of a nanosecond and registered again.
It comes down to which registrar the name lives at. If a LLL com lives at a registrar that has an expired auction process it will never "drop", to clarify, it will never go through redemption, pending delete and then deletion. This is because it will be bought in the auction and was never dropped.
If an LLL com lives at an registrar that does not have an expired auction process, it will go through Redemption, then pending delete, will be deleted and immediately caught. (most likely by Dropcatch.com)
The only caveat, I think, is that a name could be manually deleted from the registrar, thus bypassing the auction process, but I'm not sure if this actually happens.
So to your original point, these domains are in different categories with different terminology. You're just not using them right.