--- title: "Ultima rain bis case on Chicken.gg: odds, RTP & drops" description: "Ultima rain bis ($0.29) on Chicken.gg, a CS2 case site: no published odds, observed 71.56% over 7,622 openings in 30 days. Independent and free, no sign-up." url: https://gambatracker.com/cases/chicken/ultima-rain-bis rendered: 2026-11-12T01:59Z --- [Case sites](https://gambatracker.com/case-sites) / [Chicken.gg](https://gambatracker.com/case-sites/chicken) / [Ultima rain bis](https://gambatracker.com/cases/chicken/ultima-rain-bis) # [Chicken.gg](https://gambatracker.com/case-sites/chicken) · Ultima rain bis 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/ultima-rain-bis?window=24h) [7d](https://gambatracker.com/cases/chicken/ultima-rain-bis?window=7d) [30d](https://gambatracker.com/cases/chicken/ultima-rain-bis) [All](https://gambatracker.com/cases/chicken/ultima-rain-bis?window=all) Price · $0.29 · 0.58 coins Advertised RTP · — · no catalog Observed RTP, 30d · 71.56% · 7,622 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 · 208 openings · below min 7 days · 74.23% ±22.10 4,934 openings 30 days · 71.56% ±17.46 7,622 openings since tracking started · 71.56% ±17.46 7,622 openings 1.0% 49.0% 97.0% ## Windows · the test per window | Window | Openings | Observed | Dev. | Method | | --- | --- | --- | --- | --- | | [24h](https://gambatracker.com/cases/chicken/ultima-rain-bis?window=24h) | 208 | 1.72% ±0.00 | — | sample | | [7d](https://gambatracker.com/cases/chicken/ultima-rain-bis?window=7d) | 4,934 | 74.23% ±22.1 | — | sample | | [30d](https://gambatracker.com/cases/chicken/ultima-rain-bis) | 7,622 | 71.56% ±17.5 | — | sample | | [All](https://gambatracker.com/cases/chicken/ultima-rain-bis?window=all) | 7,622 | 71.56% ±17.5 | — | 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 [AWP | Corticera (Factory New) weapon · classified](https://gambatracker.com/items/awp-corticera-factory-new) Hidden $0.29 0.58 coins $25.31 50.62 coins 87.28x 2026-11-10 22:05 UTC [AWP | Corticera (Factory New) weapon · classified](https://gambatracker.com/items/awp-corticera-factory-new) Hidden $0.29 0.58 coins $25.31 50.62 coins 87.28x 2026-11-10 21:33 UTC [AWP | Corticera (Factory New) weapon · classified](https://gambatracker.com/items/awp-corticera-factory-new) Hidden $0.29 0.58 coins $25.31 50.62 coins 87.28x 2026-11-10 19:34 UTC [AWP | Corticera (Factory New) weapon · classified](https://gambatracker.com/items/awp-corticera-factory-new) Hidden $0.29 0.58 coins $25.31 50.62 coins 87.28x 2026-11-10 19:31 UTC [AWP | Corticera (Factory New) weapon · classified](https://gambatracker.com/items/awp-corticera-factory-new) Hidden $0.29 0.58 coins $25.31 50.62 coins 87.28x 2026-11-10 06:32 UTC [AWP | Corticera (Factory New) weapon · classified](https://gambatracker.com/items/awp-corticera-factory-new) Hidden $0.29 0.58 coins $25.31 50.62 coins 87.28x 2026-11-10 00:15 UTC [AWP | Corticera (Factory New) weapon · classified](https://gambatracker.com/items/awp-corticera-factory-new) Hidden $0.29 0.58 coins $25.31 50.62 coins 87.28x 2026-11-09 10:18 UTC [AWP | Corticera (Factory New) weapon · classified](https://gambatracker.com/items/awp-corticera-factory-new) Hidden $0.29 0.58 coins $25.31 50.62 coins 87.28x 2026-11-09 10:18 UTC [AWP | Corticera (Factory New) weapon · classified](https://gambatracker.com/items/awp-corticera-factory-new) Hidden $0.29 0.58 coins $25.31 50.62 coins 87.28x 2026-11-09 10:16 UTC [AWP | Corticera (Factory New) weapon · classified](https://gambatracker.com/items/awp-corticera-factory-new) Hidden $0.29 0.58 coins $25.31 50.62 coins 87.28x 2026-11-09 03:51 UTC ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=chicken&case=ultima-rain-bis) [P2000 | Granite Marbleized (Field-Tested) weapon · industrial](https://gambatracker.com/items/p2000-granite-marbleized-field-tested) Hidden $0.29 0.58 coins \<$0.01 0.01 coins 0.02x 2026-11-12 00:03 UTC [P2000 | Granite Marbleized (Field-Tested) weapon · industrial](https://gambatracker.com/items/p2000-granite-marbleized-field-tested) Hidden $0.29 0.58 coins \<$0.01 0.01 coins 0.02x 2026-11-12 00:03 UTC [P2000 | Granite Marbleized (Field-Tested) weapon · industrial](https://gambatracker.com/items/p2000-granite-marbleized-field-tested) Hidden $0.29 0.58 coins \<$0.01 0.01 coins 0.02x 2026-11-12 00:03 UTC [P2000 | Granite Marbleized (Field-Tested) weapon · industrial](https://gambatracker.com/items/p2000-granite-marbleized-field-tested) Hidden $0.29 0.58 coins \<$0.01 0.01 coins 0.02x 2026-11-12 00:03 UTC [P2000 | Granite Marbleized (Field-Tested) weapon · industrial](https://gambatracker.com/items/p2000-granite-marbleized-field-tested) Hidden $0.29 0.58 coins \<$0.01 0.01 coins 0.02x 2026-11-12 00:03 UTC [P2000 | Granite Marbleized (Field-Tested) weapon · industrial](https://gambatracker.com/items/p2000-granite-marbleized-field-tested) Hidden $0.29 0.58 coins \<$0.01 0.01 coins 0.02x 2026-11-12 00:03 UTC [P2000 | Granite Marbleized (Field-Tested) weapon · industrial](https://gambatracker.com/items/p2000-granite-marbleized-field-tested) Hidden $0.29 0.58 coins \<$0.01 0.01 coins 0.02x 2026-11-12 00:03 UTC [P2000 | Granite Marbleized (Field-Tested) weapon · industrial](https://gambatracker.com/items/p2000-granite-marbleized-field-tested) Hidden $0.29 0.58 coins \<$0.01 0.01 coins 0.02x 2026-11-12 00:03 UTC [P2000 | Granite Marbleized (Field-Tested) weapon · industrial](https://gambatracker.com/items/p2000-granite-marbleized-field-tested) Hidden $0.29 0.58 coins \<$0.01 0.01 coins 0.02x 2026-11-11 19:24 UTC [P2000 | Granite Marbleized (Field-Tested) weapon · industrial](https://gambatracker.com/items/p2000-granite-marbleized-field-tested) Hidden $0.29 0.58 coins \<$0.01 0.01 coins 0.02x 2026-11-11 19:24 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 $25.31 (87.28x) 18+ **Case opening is gambling with skins as the currency.** At 71.6% RTP, every $100 put into cases returns $71.56 on average: an expected loss of $28.44 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