--- title: "Arkham Asylum case on Cases.gg: odds, RTP & drops" description: "Arkham Asylum ($121.34) on Cases.gg, a CS2 case site: advertised RTP 89.50% from 16 items with odds, observed 61.85% over 75 openings in 30 days." url: https://gambatracker.com/cases/cases-gg/arkham-asylum rendered: 2026-11-11T18:58Z --- [Case sites](https://gambatracker.com/case-sites) / [Cases.gg](https://gambatracker.com/case-sites/cases-gg) / [Arkham Asylum](https://gambatracker.com/cases/cases-gg/arkham-asylum) # [Cases.gg](https://gambatracker.com/case-sites/cases-gg) · Arkham Asylum A box on Cases.gg (classic), first seen 2 Nov 2026. Every value is Cases.gg's own item price. [24h](https://gambatracker.com/cases/cases-gg/arkham-asylum?window=24h) [7d](https://gambatracker.com/cases/cases-gg/arkham-asylum?window=7d) [30d](https://gambatracker.com/cases/cases-gg/arkham-asylum) [All](https://gambatracker.com/cases/cases-gg/arkham-asylum?window=all) Price · $121.34 Advertised RTP · 89.50% · EV $108.59 from 16 items Observed RTP, 30d · 61.85% · 75 openings, odds method Variance · 34.0× · of price², per opening Tail share · 1 in 24 · of openings carry half the EV Below price · 83.0% · of openings return less than the price ## Advertised vs observed · per window, 95% band and the advertised marker observed, 95% band advertised outside band small sample 24 hours · 6 openings · below min 7 days · 73 openings · below min 30 days · 75 openings · below min since tracking started · 75 openings · below min -0.5% 280.5% 561.5% **Small sample.** 75 openings and 3.2 expected rare hits: below the 100 openings and 5 hits the test needs, so no verdict. ## Windows · the test per window | Window | Openings | Observed | Dev. | Method | | --- | --- | --- | --- | --- | | [24h](https://gambatracker.com/cases/cases-gg/arkham-asylum?window=24h) | 6 | 94.39% ±466.5 | — | odds | | [7d](https://gambatracker.com/cases/cases-gg/arkham-asylum?window=7d) | 73 | 63.33% ±133.7 | — | odds | | [30d](https://gambatracker.com/cases/cases-gg/arkham-asylum) | 75 | 61.85% ±132.0 | — | odds | | [All](https://gambatracker.com/cases/cases-gg/arkham-asylum?window=all) | 75 | 61.85% ±132.0 | — | odds | Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method). ## Items and odds · 16 items · odds sum to 1 · observed counts over 75 openings, 30 days Share of the expected value, most valuable first; colour is the item's rarity. | Item | Odds | Value | EV share | Observed | Expected | Hot / cold | | --- | --- | --- | --- | --- | --- | --- | | [Rolex GMT-Master II Batman other](https://gambatracker.com/items/rolex-gmt-master-ii-batman) | 1 in 1,000 | $21K | 19.3% | 0 | 0.1 | — | | [Moncler Solander Batman Down Jacket US 2 other](https://gambatracker.com/items/moncler-solander-batman-down-jacket-us-2) | 1 in 333 | $3,240 | 9.0% | 0 | 0.2 | — | | [Kith x Batman Poker Set other](https://gambatracker.com/items/kith-x-batman-poker-set) | 1 in 200 | $1,650 | 7.6% | 1 | 0.4 | — | | [2024 Batman x Kith Batman Forever 1995 Trading Card PSA 10 other](https://gambatracker.com/items/2024-batman-x-kith-batman-forever-1995-trading-card-psa-10) | 1 in 118 | $745 | 5.8% | 0 | 0.6 | — | | [Kith x Batman Symbol Rug other](https://gambatracker.com/items/kith-x-batman-symbol-rug) | 1 in 80 | $578 | 6.7% | 0 | 0.9 | — | | [Kith x Batman Batarang Letter Opener other](https://gambatracker.com/items/kith-x-batman-batarang-letter-opener) | 1 in 80 | $560 | 6.5% | 1 | 0.9 | — | | [LEGO Batman Batmobile Tumbler Set 76240 other](https://gambatracker.com/items/lego-batman-batmobile-tumbler-set-76240) | 1 in 40 | $470 | 10.8% | 3 | 1.9 | 1.60× | | [Kith x Batman Bats Classic Logo Doormat other](https://gambatracker.com/items/kith-x-batman-bats-classic-logo-doormat) | 1 in 57 | $418 | 6.7% | 1 | 1.3 | 0.76× | | [Kith x Batman Joker Goons Skatedeck other](https://gambatracker.com/items/kith-x-batman-joker-goons-skatedeck) | 1 in 40 | $310 | 7.1% | 1 | 1.9 | 0.53× | | [Bearbrick Batman Hush Ver. 100% & 400% Set other](https://gambatracker.com/items/bearbrick-batman-hush-ver-100-and-400-set) | 1 in 33 | $190 | 5.2% | 1 | 2.3 | 0.44× | | [Kith x Batman Dark Knight Adv Vintage Tee US L other](https://gambatracker.com/items/kith-x-batman-dark-knight-adv-vintage-tee-us-l) | 1 in 33 | $125 | 3.5% | 0 | 2.3 | 0.00× | | [Crocs Classic Clog Batman Batmobile US M 8 other](https://gambatracker.com/items/crocs-classic-clog-batman-batmobile-us-m-8) | 1 in 33 | $120 | 3.3% | 3 | 2.3 | 1.33× | | [Kith x Hot Wheels Batman 1989 Batmobile other](https://gambatracker.com/items/kith-x-hot-wheels-batman-1989-batmobile) | 1 in 20 | $85.20 | 3.9% | 4 | 3.8 | 1.07× | | [DC Comics Batman Logo Ceramic Mug, 20 Ounces other](https://gambatracker.com/items/dc-comics-batman-logo-ceramic-mug-20-ounces) | 15.0% | $12.00 | 1.7% | 12 | 11.3 | 1.07× | | [DC Batman Logo Pin pin](https://gambatracker.com/items/dc-batman-logo-pin) | 25.0% | $6.99 | 1.6% | 18 | 18.8 | 0.96× | | [Bat Symbol Key Chain other](https://gambatracker.com/items/bat-symbol-key-chain) | 35.0% | $4.00 | 1.3% | 30 | 26.3 | 1.14× | Values are Cases.gg's own item prices for physical goods; 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 `cases-gg:api/cases/details`, 11 Nov, 14:54 UTC. ## Biggest drops · from this case, by value [Kith x Batman Poker Set other](https://gambatracker.com/items/kith-x-batman-poker-set) Hidden $121 $1,650 13.60x 2026-11-06 08:07 UTC [Kith x Batman Batarang Letter Opener other](https://gambatracker.com/items/kith-x-batman-batarang-letter-opener) [Trecky](https://gambatracker.com/players/cases-gg/Trecky) $121 $560 4.62x 2026-11-06 02:33 UTC ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=cases-gg&case=arkham-asylum) [LEGO Batman Batmobile Tumbler Set 76240 other](https://gambatracker.com/items/lego-batman-batmobile-tumbler-set-76240) Hidden $121 $470 3.87x 2026-11-11 09:03 UTC [Bat Symbol Key Chain other](https://gambatracker.com/items/bat-symbol-key-chain) Hidden $121 $4.00 0.03x 2026-11-11 09:03 UTC [Bat Symbol Key Chain other](https://gambatracker.com/items/bat-symbol-key-chain) Hidden $121 $4.00 0.03x 2026-11-11 09:03 UTC [Kith x Hot Wheels Batman 1989 Batmobile other](https://gambatracker.com/items/kith-x-hot-wheels-batman-1989-batmobile) Hidden $121 $85.20 0.70x 2026-11-11 09:03 UTC [Bat Symbol Key Chain other](https://gambatracker.com/items/bat-symbol-key-chain) Hidden $121 $4.00 0.03x 2026-11-11 09:03 UTC [Crocs Classic Clog Batman Batmobile US M 8 other](https://gambatracker.com/items/crocs-classic-clog-batman-batmobile-us-m-8) [EriksZ](https://gambatracker.com/players/cases-gg/EriksZ) $121 $120 0.99x 2026-11-11 09:03 UTC [Bat Symbol Key Chain other](https://gambatracker.com/items/bat-symbol-key-chain) Hidden $121 $4.00 0.03x 2026-11-10 06:11 UTC [DC Comics Batman Logo Ceramic Mug, 20 Ounces other](https://gambatracker.com/items/dc-comics-batman-logo-ceramic-mug-20-ounces) Hidden $121 $12.00 0.10x 2026-11-10 06:11 UTC [DC Comics Batman Logo Ceramic Mug, 20 Ounces other](https://gambatracker.com/items/dc-comics-batman-logo-ceramic-mug-20-ounces) Hidden $121 $12.00 0.10x 2026-11-10 06:11 UTC [DC Batman Logo Pin pin](https://gambatracker.com/items/dc-batman-logo-pin) Hidden $121 $6.99 0.06x 2026-11-10 06:11 UTC ## Catalog changes · price, advertised RTP and contents, per capture | Captured | Price | Advertised | Items | | --- | --- | --- | --- | | 2 Nov, 21:39 UTC | $121 | 89.50% | 16 | Each opening is tested against the capture in force when it happened; a price or odds change starts a new one. listed other 100.0% best hit $1,650 (13.60x) 18+ **Case opening is gambling with skins as the currency.** At 89.5% RTP, every $100 put into cases returns $89.50 on average: an expected loss of $10.50 per $100, before any one lucky or unlucky opening. A big drop here says nothing about the next one. [BeGambleAware](https://www.begambleaware.org/) [Help & limits](https://gambatracker.com/responsible-gambling) How these figures are produced and labelled: https://gambatracker.com/llms.txt