--- title: "Zookeeper case on CSGORoll: odds, RTP & drops · gambatracker" description: "Zookeeper ($7.20) on CSGORoll, a CS2 case site: advertised RTP 90.93% from 18 items with odds, observed 90.86% over 5,786 openings in 30 days." url: https://gambatracker.com/cases/csgoroll/zookeeper rendered: 2026-11-11T13:35Z --- [Case sites](https://gambatracker.com/case-sites) / [CSGORoll](https://gambatracker.com/case-sites/csgoroll) / [Zookeeper](https://gambatracker.com/cases/csgoroll/zookeeper) # [CSGORoll](https://gambatracker.com/case-sites/csgoroll) · Zookeeper A case on CSGORoll, first seen 2 Nov 2026. Every value is CSGORoll's own item price converted from Roll coins at the rate on the site page. [24h](https://gambatracker.com/cases/csgoroll/zookeeper?window=24h) [7d](https://gambatracker.com/cases/csgoroll/zookeeper?window=7d) [30d](https://gambatracker.com/cases/csgoroll/zookeeper) [All](https://gambatracker.com/cases/csgoroll/zookeeper?window=all) Price · $7.20 · 10.28 coins Advertised RTP · 90.93% · EV $6.54 from 18 items Observed RTP, 30d · 90.86% · 5,786 openings, odds method Variance · 4.4× · of price², per opening Tail share · 17.1% · of openings carry half the EV Below price · 76.9% · 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 · 95.67% ±14.82 773 openings 7 days · 90.88% ±5.91 4,788 openings 30 days · 90.86% ±5.37 5,786 openings since tracking started · 90.86% ±5.37 5,786 openings 80.0% 95.5% 111.0% ## Windows · the test per window | Window | Openings | Observed | Dev. | Method | | --- | --- | --- | --- | --- | | [24h](https://gambatracker.com/cases/csgoroll/zookeeper?window=24h) | 773 | 95.67% ±14.8 | +0.6σ | odds | | [7d](https://gambatracker.com/cases/csgoroll/zookeeper?window=7d) | 4,788 | 90.88% ±5.91 | −0.0σ | odds | | [30d](https://gambatracker.com/cases/csgoroll/zookeeper) | 5,786 | 90.86% ±5.37 | −0.0σ | odds | | [All](https://gambatracker.com/cases/csgoroll/zookeeper?window=all) | 5,786 | 90.86% ±5.37 | −0.0σ | odds | Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method). ## Items, odds and values · 18 items · odds sum to 1 · observed counts over 5,786 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 | | --- | --- | --- | --- | --- | --- | --- | | [AWP \| Desert Hydra (Well-Worn) weapon · covert](https://gambatracker.com/items/awp-desert-hydra-well-worn) | 1 in 10,000 | $878 1,254 coins | 1.3% | 0 | 0.6 | — | | [★ Talon Knife \| Slaughter (Field-Tested) knife · covert](https://gambatracker.com/items/talon-knife-slaughter-field-tested) | 1 in 5,000 | $466 666 coins | 1.4% | 2 | 1.2 | 1.73× | | [★ Hand Wraps \| Giraffe (Factory New) gloves · legendary](https://gambatracker.com/items/hand-wraps-giraffe-factory-new) | 1 in 2,000 | $193 276 coins | 1.5% | 3 | 2.9 | 1.04× | | [★ Driver Gloves \| King Snake (Battle-Scarred) gloves · extraordinary](https://gambatracker.com/items/driver-gloves-king-snake-battle-scarred) | 1 in 1,000 | $91.00 130 coins | 1.4% | 7 | 5.8 | 1.21× | | [★ StatTrak™ Navaja Knife \| Tiger Tooth (Factory New) StatTrak · knife · covert](https://gambatracker.com/items/stattrak-navaja-knife-tiger-tooth-factory-new) | 1 in 526 | $85.40 122 coins | 2.5% | 11 | 11.0 | 1.00× | | [StatTrak™ Glock-18 \| Gold Toof (Minimal Wear) StatTrak · weapon · rare](https://gambatracker.com/items/stattrak-glock-18-gold-toof-minimal-wear) | 1 in 200 | $66.84 95.48 coins | 5.1% | 33 | 28.9 | 1.14× | | [AWP \| Crakow! (Minimal Wear) weapon · rare](https://gambatracker.com/items/awp-crakow-minimal-wear) | 1 in 500 | $34.77 49.67 coins | 1.1% | 8 | 11.6 | 0.69× | | [Desert Eagle \| Starcade (Field-Tested) weapon · rare](https://gambatracker.com/items/desert-eagle-starcade-field-tested) | 1 in 50 | $30.62 43.74 coins | 9.4% | 116 | 115.7 | 1.00× | | [Sticker \| Cotton Candy Flow (Holo) sticker · remarkable](https://gambatracker.com/items/sticker-cotton-candy-flow-holo) | 1 in 20 | $24.63 35.19 coins | 18.8% | 301 | 289.3 | 1.04× | | [Tec-9 \| Toxic (Minimal Wear) weapon · mil spec](https://gambatracker.com/items/tec-9-toxic-minimal-wear) | 1 in 11 | $14.57 20.82 coins | 20.0% | 502 | 520.7 | 0.96× | | [Sticker \| Blaze Surf K (Foil) sticker · exotic](https://gambatracker.com/items/sticker-blaze-surf-k-foil) | 1 in 17 | $11.73 16.76 coins | 10.8% | 336 | 347.2 | 0.97× | | [P90 \| Attack Vector (Minimal Wear) weapon · uncommon](https://gambatracker.com/items/p90-attack-vector-minimal-wear) | 10.0% | $6.79 9.7 coins | 10.4% | 542 | 578.6 | 0.94× | | [FAMAS \| Doomkitty (Minimal Wear) weapon · mil spec](https://gambatracker.com/items/famas-doomkitty-minimal-wear) | 10.0% | $5.22 7.45 coins | 8.0% | 599 | 578.6 | 1.04× | | [Nova \| Interlock (Factory New) weapon · mil spec](https://gambatracker.com/items/nova-interlock-factory-new) | 1 in 14 | $4.91 7.02 coins | 5.3% | 417 | 405.0 | 1.03× | | [USP-S \| Night Ops (Factory New) weapon · mil spec](https://gambatracker.com/items/usp-s-night-ops-factory-new) | 10.0% | $1.11 1.58 coins | 1.7% | 594 | 578.6 | 1.03× | | [P2000 \| Imperial (Field-Tested) weapon · mil spec](https://gambatracker.com/items/p2000-imperial-field-tested) | 10.0% | $0.32 0.46 coins | 0.5% | 562 | 578.6 | 0.97× | | [Dual Berettas \| Dualing Dragons (Battle-Scarred) weapon · mil spec](https://gambatracker.com/items/dual-berettas-dualing-dragons-battle-scarred) | 15.0% | $0.29 0.42 coins | 0.7% | 878 | 867.9 | 1.01× | | [Charm \| Lil' Crass charm · uncommon](https://gambatracker.com/items/charm-lil-crass) | 14.9% | $0.12 0.17 coins | 0.3% | 875 | 863.8 | 1.01× | 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 drops · from this case, by value [★ Talon Knife | Slaughter (Field-Tested) knife · covert](https://gambatracker.com/items/talon-knife-slaughter-field-tested) Hidden $7.20 10.28 coins $466 666 coins 64.79x 2026-11-10 17:41 UTC [★ Talon Knife | Slaughter (Field-Tested) knife · covert](https://gambatracker.com/items/talon-knife-slaughter-field-tested) [FUckIng noowb](https://gambatracker.com/players/csgoroll/FUckIng%20noowb) $7.20 10.28 coins $466 666 coins 64.79x 2026-11-09 21:51 UTC ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=csgoroll&case=zookeeper) [USP-S | Night Ops (Factory New) weapon · mil spec](https://gambatracker.com/items/usp-s-night-ops-factory-new) Hidden $7.20 10.28 coins $1.11 1.58 coins 0.15x 2026-11-11 13:30 UTC [USP-S | Night Ops (Factory New) weapon · mil spec](https://gambatracker.com/items/usp-s-night-ops-factory-new) [Reettaonläski](https://gambatracker.com/players/csgoroll/Reettaonl%C3%A4ski) $7.20 10.28 coins $1.11 1.58 coins 0.15x 2026-11-11 13:30 UTC [P2000 | Imperial (Field-Tested) weapon · mil spec](https://gambatracker.com/items/p2000-imperial-field-tested) Hidden $7.20 10.28 coins $0.32 0.46 coins 0.04x 2026-11-11 13:30 UTC [FAMAS | Doomkitty (Minimal Wear) weapon · mil spec](https://gambatracker.com/items/famas-doomkitty-minimal-wear) Hidden $7.20 10.28 coins $5.22 7.45 coins 0.72x 2026-11-11 13:30 UTC [Desert Eagle | Starcade (Field-Tested) weapon · rare](https://gambatracker.com/items/desert-eagle-starcade-field-tested) Hidden $7.20 10.28 coins $30.62 43.74 coins 4.25x 2026-11-11 13:30 UTC [Desert Eagle | Starcade (Field-Tested) weapon · rare](https://gambatracker.com/items/desert-eagle-starcade-field-tested) [Terroristi](https://gambatracker.com/players/csgoroll/Terroristi) $7.20 10.28 coins $30.62 43.74 coins 4.25x 2026-11-11 13:30 UTC [Charm | Lil' Crass charm · uncommon](https://gambatracker.com/items/charm-lil-crass) [Terroristi](https://gambatracker.com/players/csgoroll/Terroristi) $7.20 10.28 coins $0.12 0.17 coins 0.02x 2026-11-11 13:26 UTC [Charm | Lil' Crass charm · uncommon](https://gambatracker.com/items/charm-lil-crass) Hidden $7.20 10.28 coins $0.12 0.17 coins 0.02x 2026-11-11 13:26 UTC [P90 | Attack Vector (Minimal Wear) weapon · uncommon](https://gambatracker.com/items/p90-attack-vector-minimal-wear) Hidden $7.20 10.28 coins $6.79 9.7 coins 0.94x 2026-11-11 13:26 UTC [Charm | Lil' Crass charm · uncommon](https://gambatracker.com/items/charm-lil-crass) Hidden $7.20 10.28 coins $0.12 0.17 coins 0.02x 2026-11-11 13:26 UTC ## Catalog changes · price, advertised RTP and contents, per capture | Captured | Price | Advertised | Items | | --- | --- | --- | --- | | 9 Nov, 01:53 UTC | $7.20 | 90.93% | 18 | | 8 Nov, 23:33 UTC | $7.20 | 90.94% | 18 | | 8 Nov, 17:30 UTC | $7.20 | 90.88% | 18 | | 5 Nov, 22:45 UTC | $7.19 | 90.93% | 18 | | 2 Nov, 21:39 UTC | $7.20 | 90.91% | 18 | Each opening is tested against the capture in force when it happened; a price or odds change starts a new one. listed covert 0.2% legendary 0.1% extraordinary 0.1% rare 2.7% remarkable 5.0% mil spec 61.0% exotic 6.0% uncommon 24.9% best hit $466 (64.79x) 18+ **Case opening is gambling with skins as the currency.** At 90.9% RTP, every $100 put into cases returns $90.93 on average: an expected loss of $9.07 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