--- title: "Biba 30er Big WIN 10 case on Clash.gg: odds, RTP & drops" description: "Biba 30er Big WIN 10 ($20.77) on Clash.gg, a CS2 case site: no published odds, observed 83.63% over 69 openings in 30 days. Independent and free, no sign-up." url: https://gambatracker.com/cases/clash/biba-30er-big-win-10-2 rendered: 2026-11-12T06:08Z --- [Case sites](https://gambatracker.com/case-sites) / [Clash.gg](https://gambatracker.com/case-sites/clash) / [Biba 30er Big WIN 10](https://gambatracker.com/cases/clash/biba-30er-big-win-10-2) # [Clash.gg](https://gambatracker.com/case-sites/clash) · Biba 30er Big WIN 10 A case on Clash.gg, first seen 5 Nov 2026. Every value is Clash.gg's own item price converted from Clash gems at the rate on the site page. [24h](https://gambatracker.com/cases/clash/biba-30er-big-win-10-2?window=24h) [7d](https://gambatracker.com/cases/clash/biba-30er-big-win-10-2?window=7d) [30d](https://gambatracker.com/cases/clash/biba-30er-big-win-10-2) [All](https://gambatracker.com/cases/clash/biba-30er-big-win-10-2?window=all) Price · $20.77 · 31.96 gems Advertised RTP · — · no catalog Observed RTP, 30d · 83.63% · 69 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 · 6 openings · below min 7 days · 57 openings · below min 30 days · 69 openings · below min since tracking started · 69 openings · below min -0.5% 122.8% 246.0% **Small sample.** 69 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/clash/biba-30er-big-win-10-2?window=24h) | 6 | 22.44% ±43.9 | — | sample | | [7d](https://gambatracker.com/cases/clash/biba-30er-big-win-10-2?window=7d) | 57 | 92.25% ±152.9 | — | sample | | [30d](https://gambatracker.com/cases/clash/biba-30er-big-win-10-2) | 69 | 83.63% ±126.6 | — | sample | | [All](https://gambatracker.com/cases/clash/biba-30er-big-win-10-2?window=all) | 69 | 83.63% ±126.6 | — | 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** Clash.gg publishes no catalog; the case is known from the drops that named it. Values are Clash.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 [★ StatTrak™ Bayonet | Lore (Factory New) StatTrak · knife · covert](https://gambatracker.com/items/stattrak-bayonet-lore-factory-new) Hidden $20.77 31.96 gems $924 1,422 gems 44.50x 2026-11-08 01:22 UTC ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=clash&case=biba-30er-big-win-10-2) [P250 | Sand Dune (Minimal Wear) weapon · consumer](https://gambatracker.com/items/p250-sand-dune-minimal-wear) Hidden $20.77 31.96 gems \<$0.01 0.01 gems 0.00x 2026-11-11 20:10 UTC [P250 | Sand Dune (Minimal Wear) weapon · consumer](https://gambatracker.com/items/p250-sand-dune-minimal-wear) Hidden $20.77 31.96 gems \<$0.01 0.01 gems 0.00x 2026-11-11 20:10 UTC [P250 | Sand Dune (Minimal Wear) weapon · consumer](https://gambatracker.com/items/p250-sand-dune-minimal-wear) Hidden $20.77 31.96 gems \<$0.01 0.01 gems 0.00x 2026-11-11 20:10 UTC [P250 | Sand Dune (Minimal Wear) weapon · consumer](https://gambatracker.com/items/p250-sand-dune-minimal-wear) Hidden $20.77 31.96 gems \<$0.01 0.01 gems 0.00x 2026-11-11 20:10 UTC [P250 | Sand Dune (Minimal Wear) weapon · consumer](https://gambatracker.com/items/p250-sand-dune-minimal-wear) Hidden $20.77 31.96 gems \<$0.01 0.01 gems 0.00x 2026-11-11 20:10 UTC [M4A4 | Cyber Security (Factory New) weapon · classified](https://gambatracker.com/items/m4a4-cyber-security-factory-new) [mummo](https://gambatracker.com/players/clash/mummo) $20.77 31.96 gems $27.94 42.98 gems 1.34x 2026-11-11 20:10 UTC [P250 | Sand Dune (Minimal Wear) weapon · consumer](https://gambatracker.com/items/p250-sand-dune-minimal-wear) Hidden $20.77 31.96 gems \<$0.01 0.01 gems 0.00x 2026-11-10 11:14 UTC [P250 | Sand Dune (Minimal Wear) weapon · consumer](https://gambatracker.com/items/p250-sand-dune-minimal-wear) Hidden $20.77 31.96 gems \<$0.01 0.01 gems 0.00x 2026-11-10 11:14 UTC [P250 | Sand Dune (Minimal Wear) weapon · consumer](https://gambatracker.com/items/p250-sand-dune-minimal-wear) Hidden $20.77 31.96 gems \<$0.01 0.01 gems 0.00x 2026-11-10 11:14 UTC [P250 | Sand Dune (Minimal Wear) weapon · consumer](https://gambatracker.com/items/p250-sand-dune-minimal-wear) Hidden $20.77 31.96 gems \<$0.01 0.01 gems 0.00x 2026-11-10 11:14 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 $924 (44.50x) 18+ **Case opening is gambling with skins as the currency.** At 83.6% RTP, every $100 put into cases returns $83.63 on average: an expected loss of $16.37 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