Given that all variants are artificially scarce because the printer CHOOSES how many they want to make, print run always dictates price on variants.
What a 500 print run variant sells for, will be determined by the desirability of the series its associated with, nothing more, nothing less.
If Marvel or DC made a 500 print run variant, can't even imagine what it would sell for. They wont, because they want to increase primary market sales.
If Saga ever releases another 500 print run book, doesnt matter if its a SDCC, or joe schmoe's back water store variant, it will be a gong show.
What would a 500 print run WD book sell for?
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Variant = fake rarity
Therefore, value = rarity * desirability.
^ Chart