Is a booster box of CHIM worth opening?
On average, no: selling the cards from a CHIM box would get you $30.49, 34% of the $89.85 it costs. A typical box gives $29.94 and only 0.0% of boxes get your money back. If you're after a specific card, buying it as a single is usually cheaper.
How reliable the rates are: good (several sources that agree).
CHIM pull rates
How many cards of each rarity group come in a 24-pack box, how many packs it takes to pull one specific card of the group and how much the group adds to the box value.
| Rarity | Cards | Per box | One specific | Adds | Share |
|---|---|---|---|---|---|
| Common | 48 | 168 (168–168) | 1 in 7 packs | $32.69 | 48% |
| Rare | 20 | 24 (24–24) | 1 in 20 packs | $14.58 | 21% |
| Secrets | 8 | 2.0 (2.0–2.0) | 1 in 96 packs | $10.32 | 15% |
| Ultra Rare | 10 | 4.0 (4.0–4.0) | 1 in 60 packs | $5.93 | 8.7% |
| Super Rare | 14 | 18 (18–18) | 1 in 19 packs | $4.80 | 7.0% |
The cards that carry the box
What weighs most in the expected value: expensive cards that are hard to pull.
Hop Ear Squadron (CHIM-EN029): 1 in 20 packs, 10% of the box value. $5.69
Starliege Seyfert (CHIM-EN014): 1 in 96 packs, 3.8% of the box value. $10.39
Salamangreat Pyro Phoenix (CHIM-EN039): 1 in 96 packs, 3.5% of the box value. $9.49
Abominable Chamber of the Unchained (CHIM-EN070): 1 in 7 packs, 3.2% of the box value. $0.62
Escape of the Unchained (CHIM-EN069): 1 in 7 packs, 3.1% of the box value. $0.60
Marincess Blue Tang (CHIM-EN004): 1 in 96 packs, 2.8% of the box value. $7.73
The most expensive CHIM cards
Their version and today's TCGplayer and Cardmarket price.
| Card | Rarity | TCGplayer | Cardmarket | |
|---|---|---|---|---|
 |
I:P Masquerena CHIM-EN0491st Edition | Starlight Rare | $282 | — |
 |
Unchained Twins - Aruha CHIM-EN0081st Edition | Starlight Rare | $227 | — |
 |
Salamangreat Pyro Phoenix CHIM-EN0391st Edition | Starlight Rare | $56.99 | — |
 |
Gorgon, Empress of the Evil Eyed CHIM-EN0481st Edition | Starlight Rare | $34.81 | — |
|
Salamangreat Pyro Phoenix CHIM-EN0391st Edition | Secret Rare | $9.49 | — |
|
Starliege Seyfert CHIM-EN0141st Edition | Secret Rare | $10.39 | €7.10 |
|
Starliege Seyfert CHIM-EN014Unlimited | Secret Rare | $8.61 | €7.10 |
|
Salamangreat Pyro Phoenix CHIM-EN039Unlimited | Secret Rare | $7.09 | — |
 |
I:P Masquerena CHIM-EN0491st Edition | Ultra Rare | $4.69 | — |
|
I:P Masquerena CHIM-EN049Unlimited | Ultra Rare | $4.60 | — |
 |
Unchained Soul of Anguish CHIM-EN0441st Edition | Secret Rare | $3.78 | €3.71 |
|
Unchained Soul of Anguish CHIM-EN044Unlimited | Secret Rare | $3.03 | €3.71 |
CHIM booster box price over the last year
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Sealed product
Booster box Chaos Impact Booster Box$89.85TCGplayer market price
Booster pack Chaos Impact Booster Pack$2.34TCGplayer market price
Where the numbers come from
The expected value adds up, for each rarity group, the copies in a box times the average price of its cards (the English card, with its TCGplayer price or, if there isn't one, Cardmarket's converted). The simulation opens 10,000 boxes with the same rates.
2016-2020 core booster: 7 commons, 1 rare and 1 foil per pack; per 24-pack box, 18 Super, 4 Ultra and 2 Secret Rares on average (Konami, 2015). Starlight Rares (Rising Rampage, Chaos Impact and Ignition Assault) have no published rate: they don't count. The catalog lumps 1st Edition and Unlimited cards together.
Pull rate sources: ygorganization.com (opens in a new tab)
Open it in the Kolekto Market
Tweak the rates, choose between the box and loose packs and see how 10,000 simulated boxes turn out.