Halfpipe
A case on CSGORoll (50%), first seen 2 Nov 2026. Every value is CSGORoll's own item price converted from Roll coins at the rate on the site page.
Price
$296.97
424 coins
Advertised RTP
90.91%
EV $269.98 from 19 items
Observed RTP, 30d
57.68%
50 openings, odds method
Variance
2.1×
of price², per opening
Tail share
18.6%
of openings carry half the EV
Below price
66.0%
of openings return less than the price
Advertised vs observedper window, 95% band and the advertised marker
observed, 95% bandadvertisedoutside bandsmall sample
Small sample. 50 openings and 8.5 expected rare hits: below the 100 openings and 5 hits the test needs, so no verdict.
Windowsthe test per window
Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method).
Items, odds and values19 items · odds sum to 1 · observed counts over 50 openings, 30 days
Share of the expected value, most valuable first; colour is the item's rarity.
Values are CSGORoll's own item prices; EV share = odds × value ÷ EV. Hot / cold compares observed drops of each item with odds × openings; small expected counts are left blank. Odds read from
csgoroll:graphql boxes.slots.rate, 11 Nov, 08:26 UTC.Biggest dropsfrom this case, by value
★ StatTrak™ Bowie Knife | Gamma Doppler (Factory New) (Emerald)StatTrak · knife · covert · EmeraldL3MON™ csgoroll.com$300428 coins$535764 coins1.78x
Latest dropsnewest first
Observed RTP over timedaily, 30 days
Observed RTP, dailyAdvertised 90.91%
Catalog changesprice, advertised RTP and contents, per capture
| Captured | Price | Advertised | Items |
|---|---|---|---|
| 8 Nov, 17:30 UTC | $297 | 90.91% | 19 |
| 2 Nov, 21:39 UTC | $300 | 90.91% | 19 |
Each opening is tested against the capture in force when it happened; a price or odds change starts a new one.
listedcovert 36.9%high 0.3%extraordinary 10.1%epic 0.8%remarkable 2.0%consumer 50.0%best hit $1,483 (4.95x)