--- title: "Symbiosis case on Rain.gg: odds, RTP & drops · gambatracker" description: "Symbiosis ($35.74) on Rain.gg, a CS2 case site: no published odds, observed 91.51% over 36.4K openings in 30 days. Independent and free, no sign-up." url: https://gambatracker.com/cases/rain/symbiosis rendered: 2026-11-12T03:27Z --- [Case sites](https://gambatracker.com/case-sites) / [Rain.gg](https://gambatracker.com/case-sites/rain) / [Symbiosis](https://gambatracker.com/cases/rain/symbiosis) # [Rain.gg](https://gambatracker.com/case-sites/rain) · Symbiosis A case on Rain.gg, first seen 2 Nov 2026. Every value is Rain.gg's own item price converted from Rain coins at the rate on the site page. [24h](https://gambatracker.com/cases/rain/symbiosis?window=24h) [7d](https://gambatracker.com/cases/rain/symbiosis?window=7d) [30d](https://gambatracker.com/cases/rain/symbiosis) [All](https://gambatracker.com/cases/rain/symbiosis?window=all) Price · $35.74 · 51.06 coins Advertised RTP · — · no catalog Observed RTP, 30d · 91.51% · 36.4K 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 · 96.47% ±18.89 2,610 openings 7 days · 89.11% ±5.62 26.8K openings 30 days · 91.51% ±4.91 36.4K openings since tracking started · 91.51% ±4.91 36.4K openings 77.0% 96.5% 116.0% ## Windows · the test per window | Window | Openings | Observed | Dev. | Method | | --- | --- | --- | --- | --- | | [24h](https://gambatracker.com/cases/rain/symbiosis?window=24h) | 2,610 | 96.47% ±18.9 | — | sample | | [7d](https://gambatracker.com/cases/rain/symbiosis?window=7d) | 26.8K | 89.11% ±5.62 | — | sample | | [30d](https://gambatracker.com/cases/rain/symbiosis) | 36.4K | 91.51% ±4.91 | — | sample | | [All](https://gambatracker.com/cases/rain/symbiosis?window=all) | 36.4K | 91.51% ±4.91 | — | 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** Rain.gg publishes no catalog; the case is known from the drops that named it. Values are Rain.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 [★ Karambit | Marble Fade (Factory New) knife · covert](https://gambatracker.com/items/karambit-marble-fade-factory-new) [shubidibap](https://gambatracker.com/players/rain/shubidibap) $35.74 51.06 coins $1,382 1,974 coins 38.66x 2026-11-12 01:23 UTC [★ Karambit | Marble Fade (Factory New) knife · covert](https://gambatracker.com/items/karambit-marble-fade-factory-new) Hidden $35.74 51.06 coins $1,382 1,974 coins 38.66x 2026-11-11 23:46 UTC [★ Karambit | Marble Fade (Factory New) knife · covert](https://gambatracker.com/items/karambit-marble-fade-factory-new) Hidden $35.74 51.06 coins $1,382 1,974 coins 38.66x 2026-11-11 21:28 UTC [★ Karambit | Marble Fade (Factory New) knife · covert](https://gambatracker.com/items/karambit-marble-fade-factory-new) [Vaulty](https://gambatracker.com/players/rain/Vaulty) $35.74 51.06 coins $1,382 1,974 coins 38.66x 2026-11-11 20:29 UTC [★ Karambit | Marble Fade (Factory New) knife · covert](https://gambatracker.com/items/karambit-marble-fade-factory-new) Hidden $35.74 51.06 coins $1,382 1,974 coins 38.66x 2026-11-11 19:36 UTC [★ Karambit | Marble Fade (Factory New) knife · covert](https://gambatracker.com/items/karambit-marble-fade-factory-new) Hidden $35.74 51.06 coins $1,382 1,974 coins 38.66x 2026-11-11 19:03 UTC [★ Karambit | Marble Fade (Factory New) knife · covert](https://gambatracker.com/items/karambit-marble-fade-factory-new) Hidden $35.74 51.06 coins $1,382 1,974 coins 38.66x 2026-11-11 18:18 UTC [★ Karambit | Marble Fade (Factory New) knife · covert](https://gambatracker.com/items/karambit-marble-fade-factory-new) Hidden $35.74 51.06 coins $1,382 1,974 coins 38.66x 2026-11-11 16:44 UTC [★ Karambit | Marble Fade (Factory New) knife · covert](https://gambatracker.com/items/karambit-marble-fade-factory-new) Hidden $35.74 51.06 coins $1,382 1,974 coins 38.66x 2026-11-11 16:07 UTC [★ Karambit | Marble Fade (Factory New) knife · covert](https://gambatracker.com/items/karambit-marble-fade-factory-new) [WYSGHAUJYHSGFDKIWSA](https://gambatracker.com/players/rain/WYSGHAUJYHSGFDKIWSA) $35.74 51.06 coins $1,382 1,974 coins 38.66x 2026-11-11 15:46 UTC ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=rain&case=symbiosis) [XM1014 | Blue Steel (Minimal Wear) weapon · industrial](https://gambatracker.com/items/xm1014-blue-steel-minimal-wear) Hidden $35.74 51.06 coins $0.07 0.1 coins 0.00x 2026-11-12 03:21 UTC [XM1014 | Blue Steel (Minimal Wear) weapon · industrial](https://gambatracker.com/items/xm1014-blue-steel-minimal-wear) Hidden $35.74 51.06 coins $0.07 0.1 coins 0.00x 2026-11-12 03:21 UTC [XM1014 | Blue Steel (Minimal Wear) weapon · industrial](https://gambatracker.com/items/xm1014-blue-steel-minimal-wear) Hidden $35.74 51.06 coins $0.07 0.1 coins 0.00x 2026-11-12 03:21 UTC [XM1014 | Blue Steel (Minimal Wear) weapon · industrial](https://gambatracker.com/items/xm1014-blue-steel-minimal-wear) Hidden $35.74 51.06 coins $0.07 0.1 coins 0.00x 2026-11-12 03:21 UTC [XM1014 | Blue Steel (Minimal Wear) weapon · industrial](https://gambatracker.com/items/xm1014-blue-steel-minimal-wear) Hidden $35.74 51.06 coins $0.07 0.1 coins 0.00x 2026-11-12 03:21 UTC [XM1014 | Blue Steel (Minimal Wear) weapon · industrial](https://gambatracker.com/items/xm1014-blue-steel-minimal-wear) Hidden $35.74 51.06 coins $0.07 0.1 coins 0.00x 2026-11-12 03:21 UTC [XM1014 | Blue Steel (Minimal Wear) weapon · industrial](https://gambatracker.com/items/xm1014-blue-steel-minimal-wear) Hidden $35.74 51.06 coins $0.07 0.1 coins 0.00x 2026-11-12 03:21 UTC [XM1014 | Blue Steel (Minimal Wear) weapon · industrial](https://gambatracker.com/items/xm1014-blue-steel-minimal-wear) Hidden $35.74 51.06 coins $0.07 0.1 coins 0.00x 2026-11-12 03:21 UTC [XM1014 | Blue Steel (Minimal Wear) weapon · industrial](https://gambatracker.com/items/xm1014-blue-steel-minimal-wear) Hidden $35.74 51.06 coins $0.07 0.1 coins 0.00x 2026-11-12 03:21 UTC [XM1014 | Blue Steel (Minimal Wear) weapon · industrial](https://gambatracker.com/items/xm1014-blue-steel-minimal-wear) Hidden $35.74 51.06 coins $0.07 0.1 coins 0.00x 2026-11-12 03:21 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 $1,382 (38.66x) 18+ **Case opening is gambling with skins as the currency.** At 91.5% RTP, every $100 put into cases returns $91.51 on average: an expected loss of $8.49 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