We track prices on more than 56,000 cards, which lets us ask a question most collectors answer by vibes: when a set is worth money, where does the money actually live? The answer, measured across 212 sets with meaningful price coverage, is concentrated: the top five cards hold 55.6% of total set value on average. But the average hides two completely different kinds of set.
Top-5 concentration: share of set value held by five cards
| Set | Top-5 share | What it means for a buyer |
|---|---|---|
| Champion's Path | 90.3% | one chase (the Charizard) is the set; everything else is packaging |
| Phantom Forces | 89.9% | same lottery shape, 2014 edition |
| Average across 212 sets | 55.6% | half the value in five cards is normal |
| World Championship Decks | 10.8% | value spread across the whole print, no chase |
Lottery sets vs ledger sets
A high concentration set behaves like a lottery ticket: opening product is a bet on pulling one specific card, singles buyers should skip the middle of the checklist entirely, and the set's index moves when one card moves. A low concentration set behaves like a ledger: value accrues broadly, bulk holds meaning, and the set index describes something real about demand for the whole print run. Neither is better. They are different instruments, and pricing tools that treat a set as one number hide the difference.
The practical read: before buying into a set, check where its value lives. If five cards are 90% of it, either buy those five cards or admit you are buying entertainment. If value is spread, set-level bets like sealed and bulk actually track the thing you think you own.
Concentration computed from our set value histories: top five card share of summed card market values per set, 212 sets with sufficient priced coverage, August 2026. Catalog: 56,426 tracked cards.