--- title: "50/50 Duel case on Rain.gg: odds, RTP & drops · gambatracker" description: "50/50 Duel ($66.95) on Rain.gg, a CS2 case site: no published odds, observed 91.20% over 462 openings in 30 days. Independent and free, no sign-up." url: https://gambatracker.com/cases/rain/5050-duel rendered: 2026-11-12T01:47Z --- [Case sites](https://gambatracker.com/case-sites) / [Rain.gg](https://gambatracker.com/case-sites/rain) / [50/50 Duel](https://gambatracker.com/cases/rain/5050-duel) # [Rain.gg](https://gambatracker.com/case-sites/rain) · 50/50 Duel A case on Rain.gg, first seen 3 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/5050-duel?window=24h) [7d](https://gambatracker.com/cases/rain/5050-duel?window=7d) [30d](https://gambatracker.com/cases/rain/5050-duel) [All](https://gambatracker.com/cases/rain/5050-duel?window=all) Price · $66.95 · 95.64 coins Advertised RTP · — · no catalog Observed RTP, 30d · 91.20% · 462 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 · 40 openings · below min 7 days · 388 openings · below min 30 days · 462 openings · below min since tracking started · 462 openings · below min 70.5% 99.3% 128.0% **Small sample.** 462 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/rain/5050-duel?window=24h) | 40 | 99.37% ±28.2 | — | sample | | [7d](https://gambatracker.com/cases/rain/5050-duel?window=7d) | 388 | 92.41% ±8.97 | — | sample | | [30d](https://gambatracker.com/cases/rain/5050-duel) | 462 | 91.20% ±8.22 | — | sample | | [All](https://gambatracker.com/cases/rain/5050-duel?window=all) | 462 | 91.20% ±8.22 | — | 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 **No drops yet** No drop from this case seen yet. ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=rain&case=5050-duel) [Dual Berettas | Contractor (Minimal Wear) weapon · Consumer Grade](https://gambatracker.com/items/dual-berettas-contractor-minimal-wear) Hidden $66.95 95.64 coins \<$0.01 0.01 coins 0.00x 2026-11-12 00:50 UTC [Dual Berettas | Contractor (Minimal Wear) weapon · Consumer Grade](https://gambatracker.com/items/dual-berettas-contractor-minimal-wear) Hidden $66.95 95.64 coins \<$0.01 0.01 coins 0.00x 2026-11-12 00:50 UTC [Dual Berettas | Duelist (Field-Tested) weapon · restricted](https://gambatracker.com/items/dual-berettas-duelist-field-tested) [bswrxsti](https://gambatracker.com/players/rain/bswrxsti) $66.95 95.64 coins $119 170 coins 1.77x 2026-11-12 00:50 UTC [Dual Berettas | Contractor (Minimal Wear) weapon · Consumer Grade](https://gambatracker.com/items/dual-berettas-contractor-minimal-wear) Hidden $66.95 95.64 coins \<$0.01 0.01 coins 0.00x 2026-11-12 00:50 UTC [Dual Berettas | Duelist (Factory New) weapon · restricted](https://gambatracker.com/items/dual-berettas-duelist-factory-new) Hidden $66.95 95.64 coins $122 175 coins 1.82x 2026-11-12 00:50 UTC [Dual Berettas | Contractor (Minimal Wear) weapon · Consumer Grade](https://gambatracker.com/items/dual-berettas-contractor-minimal-wear) [bswrxsti](https://gambatracker.com/players/rain/bswrxsti) $66.95 95.64 coins \<$0.01 0.01 coins 0.00x 2026-11-12 00:50 UTC [Dual Berettas | Duelist (Field-Tested) weapon · restricted](https://gambatracker.com/items/dual-berettas-duelist-field-tested) Hidden $66.95 95.64 coins $119 170 coins 1.77x 2026-11-12 00:50 UTC [Dual Berettas | Contractor (Minimal Wear) weapon · Consumer Grade](https://gambatracker.com/items/dual-berettas-contractor-minimal-wear) Hidden $66.95 95.64 coins \<$0.01 0.01 coins 0.00x 2026-11-12 00:50 UTC [Dual Berettas | Duelist (Factory New) weapon · restricted](https://gambatracker.com/items/dual-berettas-duelist-factory-new) [bswrxsti](https://gambatracker.com/players/rain/bswrxsti) $66.95 95.64 coins $122 175 coins 1.82x 2026-11-12 00:50 UTC [Dual Berettas | Duelist (Factory New) weapon · restricted](https://gambatracker.com/items/dual-berettas-duelist-factory-new) Hidden $66.95 95.64 coins $122 175 coins 1.82x 2026-11-11 23:26 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 — 18+ **Case opening is gambling with skins as the currency.** At 91.2% RTP, every $100 put into cases returns $91.20 on average: an expected loss of $8.80 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