Prisma Case
A case on Clash.gg (cs2), first seen 2 Nov 2026. Every value is Clash.gg's own item price converted from Clash gems at the rate on the site page.
Price
$1.77
2.72 gems
Advertised RTP
89.90%
EV $1.59 from 41 items
Observed RTP, 30d
87.82%
11.3K openings, odds method
Variance
68.5×
of price², per opening
Tail share
1 in 182
of openings carry half the EV
Below price
90.6%
of openings return less than the price
Advertised vs observedper window, 95% band and the advertised marker
observed, 95% bandadvertisedoutside bandsmall sample
Windowsthe test per window
Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method).
Items, odds and values41 items · odds sum to 1 · observed counts over 11.5K openings, 30 days
Share of the expected value, most valuable first; colour is the item's rarity.
Values are Clash.gg'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
clash:api/cases/details, 11 Nov, 11:26 UTC.Biggest dropsfrom this case, by value
★ Stiletto Knife | Ultraviolet (Factory New)knife · CovertBigboiSoiSauce$1.772.72 gems$319490 gems180.1x
Latest dropsnewest first
Observed RTP over timedaily, 30 days
Observed RTP, dailyAdvertised 89.90%
Catalog changesprice, advertised RTP and contents, per capture
| Captured | Price | Advertised | Items |
|---|---|---|---|
| 3 Nov, 02:04 UTC | $1.77 | 89.90% | 41 |
Each opening is tested against the capture in force when it happened; a price or odds change starts a new one.
listedsunny 0.0%covert 0.8%epic 0.0%Covert 0.0%other 0.0%rare 0.0%gold 0.0%classified 3.2%restricted 16.0%Rare 11.4%mil spec 68.5%best hit $509 (288.1x)