--- title: "3% KOSS KOI case on Chicken.gg: odds, RTP & drops" description: "3% KOSS KOI ($25.00) on Chicken.gg, a CS2 case site: no published odds, observed 37.96% over 636 openings in 30 days. Independent and free, no sign-up." url: https://gambatracker.com/cases/chicken/3-koss-koi rendered: 2026-11-12T10:32Z --- [Case sites](https://gambatracker.com/case-sites) / [Chicken.gg](https://gambatracker.com/case-sites/chicken) / [3% KOSS KOI](https://gambatracker.com/cases/chicken/3-koss-koi) # [Chicken.gg](https://gambatracker.com/case-sites/chicken) · 3% KOSS KOI A case on Chicken.gg, first seen 3 Nov 2026. Every value is Chicken.gg's own item price converted from Chicken coins at the rate on the site page. [24h](https://gambatracker.com/cases/chicken/3-koss-koi?window=24h) [7d](https://gambatracker.com/cases/chicken/3-koss-koi?window=7d) [30d](https://gambatracker.com/cases/chicken/3-koss-koi) [All](https://gambatracker.com/cases/chicken/3-koss-koi?window=all) Price · $25.00 · 50 coins Advertised RTP · — · no catalog Observed RTP, 30d · 37.96% · 636 openings, sample method Variance · — · needs odds Tail share · — · needs odds Below price · — · needs odds ## Advertised vs observed · per window, 95% band and the advertised marker observed, 95% band outside band small sample 24 hours · 184 openings · below min 7 days · 500 openings · below min 30 days · 636 openings · below min since tracking started · 636 openings · below min -0.5% 48.3% 97.0% **Small sample.** 636 openings: below the 1,000 the sample method needs, so no verdict. ## Windows · the test per window | Window | Openings | Observed | Dev. | Method | | --- | --- | --- | --- | --- | | [24h](https://gambatracker.com/cases/chicken/3-koss-koi?window=24h) | 184 | 47.87% ±48.4 | — | sample | | [7d](https://gambatracker.com/cases/chicken/3-koss-koi?window=7d) | 500 | 38.55% ±24.4 | — | sample | | [30d](https://gambatracker.com/cases/chicken/3-koss-koi) | 636 | 37.96% ±21.0 | — | sample | | [All](https://gambatracker.com/cases/chicken/3-koss-koi?window=all) | 636 | 37.96% ±21.0 | — | sample | Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method). ## Items, odds and values · none published **No catalog** Chicken.gg publishes no catalog; the case is known from the drops that named it. Values are Chicken.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. ## Biggest drops · from this case, by value [★ Butterfly Knife | Damascus Steel (Factory New) knife · gold](https://gambatracker.com/items/butterfly-knife-damascus-steel-factory-new) Hidden $25.00 50 coins $803 1,606 coins 32.11x 2026-11-12 00:30 UTC [★ StatTrak™ Karambit | Freehand (Factory New) StatTrak · knife · #EB4B4B](https://gambatracker.com/items/stattrak-karambit-freehand-factory-new) Hidden $25.00 50 coins $584 1,167 coins 23.34x 2026-11-12 10:26 UTC [★ StatTrak™ Karambit | Freehand (Factory New) StatTrak · knife · #EB4B4B](https://gambatracker.com/items/stattrak-karambit-freehand-factory-new) [rm20bk](https://gambatracker.com/players/chicken/rm20bk) $25.00 50 coins $584 1,167 coins 23.34x 2026-11-06 05:32 UTC ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=chicken&case=3-koss-koi) [Nova | Mandrel (Factory New) weapon · Common](https://gambatracker.com/items/nova-mandrel-factory-new) Hidden $25.00 50 coins $0.04 0.08 coins 0.00x 2026-11-12 10:25 UTC [Nova | Mandrel (Factory New) weapon · Common](https://gambatracker.com/items/nova-mandrel-factory-new) Hidden $25.00 50 coins $0.04 0.08 coins 0.00x 2026-11-12 10:25 UTC [Nova | Mandrel (Factory New) weapon · Common](https://gambatracker.com/items/nova-mandrel-factory-new) Hidden $25.00 50 coins $0.04 0.08 coins 0.00x 2026-11-12 10:25 UTC [Nova | Mandrel (Factory New) weapon · Common](https://gambatracker.com/items/nova-mandrel-factory-new) Hidden $25.00 50 coins $0.04 0.08 coins 0.00x 2026-11-12 10:25 UTC [★ StatTrak™ Karambit | Freehand (Factory New) StatTrak · knife · #EB4B4B](https://gambatracker.com/items/stattrak-karambit-freehand-factory-new) Hidden $25.00 50 coins $584 1,167 coins 23.34x 2026-11-12 10:25 UTC [Nova | Mandrel (Factory New) weapon · Common](https://gambatracker.com/items/nova-mandrel-factory-new) Hidden $25.00 50 coins $0.04 0.08 coins 0.00x 2026-11-12 10:25 UTC [Nova | Mandrel (Factory New) weapon · Common](https://gambatracker.com/items/nova-mandrel-factory-new) Hidden $25.00 50 coins $0.04 0.08 coins 0.00x 2026-11-12 10:25 UTC [Nova | Mandrel (Factory New) weapon · Common](https://gambatracker.com/items/nova-mandrel-factory-new) [wannagambles](https://gambatracker.com/players/chicken/wannagambles) $25.00 50 coins $0.04 0.08 coins 0.00x 2026-11-12 10:25 UTC [Nova | Mandrel (Factory New) weapon · Common](https://gambatracker.com/items/nova-mandrel-factory-new) Hidden $25.00 50 coins $0.04 0.08 coins 0.00x 2026-11-12 06:38 UTC [Nova | Mandrel (Factory New) weapon · Common](https://gambatracker.com/items/nova-mandrel-factory-new) Hidden $25.00 50 coins $0.04 0.08 coins 0.00x 2026-11-12 06:38 UTC ## Catalog changes · price, advertised RTP and contents, per capture | Captured | Price | Advertised | Items | | --- | --- | --- | --- | Each opening is tested against the capture in force when it happened; a price or odds change starts a new one. listed best hit $803 (32.11x) 18+ **Case opening is gambling with skins as the currency.** At 38.0% RTP, every $100 put into cases returns $37.96 on average: an expected loss of $62.04 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