Cardlift answers one question: are the cards inside this sealed product worth more than the product costs? The answer is an expected value, EV for short: what the cards inside are worth on average, at today's prices.
Every booster pack has fixed slots, and each rarity turns up at a known rate: an Illustration Rare in about 1 of 9 packs, a Special Illustration Rare in about 1 of 90. We keep those odds for every English set, Base Set to the newest release.
Each card carries its current Near Mint market price, refreshed every few days. Multiply each rarity's odds by the average price of its cards, add the rarities up, and you have what one pack is worth. For Chaos Rising:
| Rarity | Cards | Odds | Avg price | Per pack |
|---|---|---|---|---|
| Common | 38 | 4/pack | $0.12 | $0.47 |
| Special Illustration Rare | 6 | 1 in 90 | $41.50 | $0.46 |
| Illustration Rare | 11 | 1 in 9 | $3.02 | $0.34 |
| Uncommon | 26 | 3/pack | $0.11 | $0.33 |
| Common (reverse) | 38 | 1 in 1.1 | $0.25 | $0.23 |
| Ultra Rare | 18 | 1 in 12 | $2.45 | $0.20 |
| Everything else (6 rarities) | 65 | various | $0.59 | |
| One pack | $2.63 |
Example. The app shows every rarity with its current figures.
A booster box is 36 of those packs. A collection box is its packs plus its promo cards, each priced as the exact card it is. That total is the EV of the product. It goes against the cheapest listing you can actually buy right now, never an average.
EV is an average over many packs. One box can beat it or miss it; that is the gamble. EV tells you whether the gamble is priced fairly, not what your box will hold.
A verdict is shown only when every part of the value is pinned down: the contents, the exact promo cards, the pack sets. When something is random or unknown, the app says what is missing instead of guessing. Cards with no recent sale are priced at their last sale, and the app says how old that sale is.
Every English sealed product we can pin down, from Base Set (1999) to the newest set: booster boxes, bundles, Elite Trainer Boxes, tins, collections, blisters, Build & Battle boxes and theme decks. Japanese products later.
The newest era is free. Cardlift Pro opens every era back to Base Set and adds watches. Prices are set in the App Store at launch.
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