RTP vs EV vs house edge in mystery boxes (and who sets the price tags)
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RTP vs EV vs house edge in mystery boxes (and who sets the price tags)

RTP, EV and house edge sound like three different warnings, but they are one sum seen from three sides. None of them tells you who decided what each item in the box is worth, and that price tag can bend all three.

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Author Ilias Photo
Ilias • Checked by
Author Ilias Photo
Florian • Last updated October 30, 2026 • Comments
  • RTP, EV and house edge are one sum. Three ways of saying how much of your money a box keeps.
  • A 90% RTP is a 10% house edge. On a $10 box, that’s minus $1 per open on average.
  • Most sites we checked land around 88 to 90%, from LuxDrop to Packy.gg, by their own drop tables.
  • Every one of those numbers uses the site’s own price tags. Change the tag and all three move.
  • Retail and resale prices can sit miles apart. Which one a site picked decides what its RTP really means.
  • Selling a pull back usually pays 100% of the label. In site balance, spent at the same site’s prices.
  • RTP says nothing about your night. A 95% box we checked hands out a $6 cloth four times out of five.
  • The maths takes two minutes. Our mystery box RTP guide walks through the formula with two example boxes.

Streamers say EV. Some sites print an RTP. Casino people talk about the house edge.

Three names. One question: how much of your money does the box keep?

This guide sorts out the three words, shows what the sites we test actually pay back, and gets to the part nobody prints. Who decided what each item is worth?

Three names for one number

Infographic: one $10 mystery box seen three ways, an RTP of 90% that comes back, an EV of $9 per open and a 10% house edge the site keeps, all three built on the site's price tags

RTP means return to player. The term comes from slot machines, where regulators make operators publish it.

On a mystery box, it’s the share of the box price that comes back as items, on average.

EV means expected value. It’s the same average, written in dollars instead of percent. Poker players live by it.

House edge is the slice the site keeps. It’s simply 100% minus the RTP.

The graphic above is one box seen all three ways. Same maths, three labels.

One catch with EV. Some people mean the $9 you get back on average. Others mean the minus $1 after the box price. Ask which before you’re impressed.

What the sites we checked actually pay back

We sum the drop table on every site we review. Odds times the listed value of each item, divided by the box price.

The results are almost boring.

LuxDrop drop table of the 5% Swiss Made pack: Rolex Datejust 36mm $12,600 at 0.0005%, Omega Seamaster at 0.001%, down to a $25.94 plush at 0.1%
SiteRTP from its own drop tablesSelling a pull paysBetterChecked
LuxDrop90% on almost every packThe listed price, straight to your balance9.5/10 (#1)
PackDraw88 to 90% on its Pokémon packs100% of the listed value, as balance7.25/10 (#2)
Royale.gg87 to 91%100% of the listed value7.25/10 (#4)
Packy.gg89% on every pack we checked100% of the listed value6.25/10 (#7)
Boxed.gg84 to 85%100% of the listed value, in gems5.75/10 (#9)
EmpireDrop90 to 92%The listed value, straight to your balance5.5/10 (#10)
MetaDrawAbout 90%Site credit at a rate set per item4/10 (#18)

The score and rank in the last column are ours, from our ranking of 20 mystery box sites. They rate the whole site, not one box.

So on the sites we rank, the house edge sits around 10 to 12%, a bit more on Boxed.gg. That’s the ticket price of the entertainment.

Now look at the second column again. Every number in it is built on prices the site chose.

Who sets the price tag?

Here’s the part nobody prints.

Every RTP above is odds times value. The odds are maths. The value is a decision someone at the site made.

A pair of sneakers can carry three different prices.

What the brand sold it for, the MSRP. What it trades for today on StockX or in eBay’s sold listings. Or what the site charges in its own shop.

Those are rarely the same number. A hyped release can resell for several times its retail price. With headphones on sale everywhere, it’s the retail price that’s inflated.

How much does that matter? A made-up $50 box with one chase sneaker on 2% shows it:

Price tag on the sneakerWhat it adds per openShare of the $50 box
Retail price, $200$48%
Resale price, $1,000$2040%

Same box. Same odds. Same shoe. The RTP just moved by 32 points because someone picked a different price.

Royale.gg 1% Rolex box result in our test: Rolex Datejust 41 White with Sell for $11,800.00, Order Item and an Outcome validation badge

This isn’t theory. When we pulled a Rolex Datejust 41 on Royale.gg, the dialog offered $11,800 in balance or the watch itself.

That figure is Royale’s number, and the box’s RTP is built on it.

If the same watch sells for less elsewhere, the box paid less than its label. If it sells for more, ordering it was the better call.

MetaDraw Lucky mode with the $13,900 Coffret Accessoires Duck selected at 10% for $1,390

MetaDraw’s Lucky mode makes the point even cleaner. You pick an item and your odds, and the price is exactly the odds times the item’s listed value.

On paper, that’s a 100% RTP. So where does the site make its money? In the price tag on the item. There’s nowhere else left.

Selling back at 100%: 100% of what?

Packy.gg inventory after the free welcome pack: Luxio $0.10 and two Chraziard $0.01, total value $0.12, with the Withdraw, Exchange and Sell Selected buttons

Almost every site in our table pays the full listed value when you sell a pull back. On PackDraw, Royale.gg, Packy.gg and Boxed.gg, the sell button pays exactly the label.

LuxDrop and EmpireDrop skip the inventory altogether. Every pull lands in your balance at its listed value.

Sounds generous? It’s balance, not cash.

That balance spends on the same site, at the same price tags. If the tags run high, your 100% buys less than it looks.

LuxDrop at least keeps its numbers consistent. Its Market sells the same sealed Pokémon product at the same prices its pack tables use.

Cash is a separate exit with its own friction. PackDraw’s crypto withdrawal needs at least $15 in one go. Shipping, card fees and currency spreads come off on top.

So our rule when we judge a box: the price you could actually get, minus every fee on the way out. That’s the real RTP.

The trap: a great RTP can still be a terrible night

RTP is an average over thousands of opens. Your night is maybe ten.

Moonroll’s 1% Rollie box sums to a 95% RTP. That’s one of the highest RTPs we’ve summed anywhere.

Moonroll 1% Rollie box page at $201.12 with 993 opens, the Provably Fair badge and Rolex items at 0.05% and 0.075%

It also hands you a $6 microfiber cloth set four times out of five. A big slice of the RTP sits in two Rolexes you’ll almost never see.

The word for this is volatility. LuxDrop prints it as a slider under every pack.

Almost every pack there pays back 90%. The slider shows how bumpy the road to that 90% is.

Honest take: on a $20 night, give me an 88% box with a fat middle over a 95% box built on watches I won’t pull. Higher RTP, worse night.

How to check a box in five minutes

Packy.gg Moonshine pack page at $29.77 with 13 cards and the odds printed on each, from 2.50% Spiky-eared Pichu to 6.20% Absol, plus Demo, 1 to 4 multi-open and the Borrow toggle
  1. Add up the odds. They should hit exactly 100%. We’ve found tables that summed to more, and then the RTP means nothing.
  2. Work out the RTP. Or read the site’s own number if it prints one. The formula is in our guide to mystery box RTP.
  3. Price-check the items that carry the value. Usually two or three lines at the top. Search StockX, eBay’s sold listings or the brand’s own store.
  4. Pick the price you’d actually get. Want the item? Compare what it costs elsewhere. Want cash? Compare what it sells for, which is lower.
  5. Read the exit. Does selling pay cash or balance? Is there a withdrawal minimum, a shipping fee, a card fee?
  6. Look at the most likely line. That’s your typical night, not the chase item.
  7. Check the roll can be verified. Provably fair proves the printed odds ran. It doesn’t prove the price tags. Our provably fair rundown shows who actually lets you check.

So which number should you trust?

Infographic: what a fair roll proves (the result was locked before you clicked, the printed odds were used, nobody swapped your item) and what it does not prove (good value, the item prices, your cash-out)

Use RTP to compare boxes. Use EV in dollars to know what a night costs. Use the house edge to remember that the site wins over time.

Then ask the question none of them answers. Whose price is this?

The sites at the top of our list of mystery box sites print their odds and pay back at listed value. That’s the floor, not a gift.

Honest take: nobody sums a drop table for fun. But price-checking the two items that carry a box takes a minute, and tells you more than any RTP label.

And whatever the numbers say, a box is entertainment you pay for, not a way to make money. The house edge is the ticket price.

Play responsibly

Every number in this guide ends in the same place: over time, the site keeps a slice. Set a budget before the first open, and stop when it’s gone.

If chasing a loss starts to feel normal, GambleAware offers free, confidential help.


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About the authors of this post

BetterChecked Logo

BetterChecked Team

Written by
Author Ilias Photo
Ilias and
Author Lukas Photo
Lukas • Checked by
Author Florian Photo
Florian

This article was written, checked and verified by multiple authors to ensure maximum accuracy and up to date data. With our combined 12 years of experience within the mystery box and subscription box industry, we strive for providing the best and most helpful resources about mystery boxes available.

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Every recommendation in this article comes from hands‑on experience. Our team unboxes, tests, and screenshots each mystery or subscription box under real‑world conditions. Drafts undergo expert fact‑checking by niche‑specific reviewers. We publish complete cost‑of‑goods and delivery‑timeliness data, disclose affiliate relationships, and reference only verifiable third‑party sources. We regularly cross‑match claims against peer‑reviewed research. We strive to stay transparent, accurate, and customer‑centric. If you find any errors, please reach out to us or comment above.

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