--- title: "Biba Case case on Clash.gg: odds, RTP & drops · gambatracker" description: "Biba Case ($99.96) on Clash.gg, a CS2 case site: advertised RTP 90.00% from 9 items with odds, observed 119.24% over 399 openings in 30 days." url: https://gambatracker.com/cases/clash/biba-case rendered: 2026-11-11T13:29Z --- [Case sites](https://gambatracker.com/case-sites) / [Clash.gg](https://gambatracker.com/case-sites/clash) / [Biba Case](https://gambatracker.com/cases/clash/biba-case) # [Clash.gg](https://gambatracker.com/case-sites/clash) · Biba Case A case on Clash.gg (classic), first seen 3 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-case?window=24h) [7d](https://gambatracker.com/cases/clash/biba-case?window=7d) [30d](https://gambatracker.com/cases/clash/biba-case) [All](https://gambatracker.com/cases/clash/biba-case?window=all) Price · $99.96 · 154 gems Advertised RTP · 90.00% · EV $89.96 from 9 items Observed RTP, 30d · 119.24% · 399 openings, odds method Variance · 13.3× · of price², per opening Tail share · 1 in 17 · of openings carry half the EV Below price · 80.0% · of openings return less than the price ## Advertised vs observed · per window, 95% band and the advertised marker observed, 95% band advertised outside band small sample 24 hours · 65 openings · below min 7 days · 102.54% ±39.82 323 openings 30 days · 119.24% ±35.83 399 openings since tracking started · 119.24% ±35.83 399 openings 49.5% 138.8% 228.0% ## Windows · the test per window | Window | Openings | Observed | Dev. | Method | | --- | --- | --- | --- | --- | | [24h](https://gambatracker.com/cases/clash/biba-case?window=24h) | 65 | 138.80% ±88.8 | — | odds | | [7d](https://gambatracker.com/cases/clash/biba-case?window=7d) | 323 | 102.54% ±39.8 | +0.6σ | odds | | [30d](https://gambatracker.com/cases/clash/biba-case) | 399 | 119.24% ±35.8 | +1.6σ | odds | | [All](https://gambatracker.com/cases/clash/biba-case?window=all) | 399 | 119.24% ±35.8 | +1.6σ | odds | Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method). ## Items, odds and values · 9 items · odds sum to 1 · observed counts over 399 openings, 30 days Share of the expected value, most valuable first; colour is the item's rarity. | Item | Odds | Value | EV share | Observed | Expected | Hot / cold | | --- | --- | --- | --- | --- | --- | --- | | [★ Karambit \| Gamma Doppler (Factory New) (Emerald) knife · covert · Emerald](https://gambatracker.com/items/karambit-gamma-doppler-factory-new-emerald) | 1 in 1,000 | $7,635 11,746 gems | 8.5% | 1 | 0.4 | — | | [AK-47 \| Wild Lotus (Minimal Wear) weapon · covert](https://gambatracker.com/items/ak-47-wild-lotus-minimal-wear) | 1 in 1,000 | $6,883 10,590 gems | 7.7% | 2 | 0.4 | — | | [★ Sport Gloves \| Hedge Maze (Field-Tested) gloves · epic](https://gambatracker.com/items/sport-gloves-hedge-maze-field-tested) | 1 in 333 | $1,584 2,437 gems | 5.3% | 1 | 1.2 | 0.84× | | [M4A4 \| Poseidon (Field-Tested) weapon · classified](https://gambatracker.com/items/m4a4-poseidon-field-tested) | 1 in 40 | $632 972 gems | 17.6% | 10 | 10.0 | 1.00× | | [Desert Eagle \| Blaze (Factory New) weapon · rare](https://gambatracker.com/items/desert-eagle-blaze-factory-new) | 1 in 33 | $478 735 gems | 15.9% | 13 | 12.0 | 1.09× | | [AK-47 \| Fire Serpent (Battle-Scarred) weapon · covert](https://gambatracker.com/items/ak-47-fire-serpent-battle-scarred) | 1 in 17 | $391 601 gems | 26.1% | 14 | 23.9 | 0.58× | | [Desert Eagle \| Emerald Jörmungandr (Factory New) weapon · restricted](https://gambatracker.com/items/desert-eagle-emerald-jormungandr-factory-new) | 1 in 33 | $165 253 gems | 5.5% | 15 | 12.0 | 1.25× | | [USP-S \| Printstream (Factory New) weapon · red](https://gambatracker.com/items/usp-s-printstream-factory-new) | 1 in 20 | $163 250 gems | 9.0% | 15 | 19.9 | 0.75× | | [Tec-9 \| Bamboo Forest (Factory New) weapon · consumer](https://gambatracker.com/items/tec-9-bamboo-forest-factory-new) | 80.0% | $5.09 7.83 gems | 4.5% | 328 | 319.2 | 1.03× | 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. Odds read from `clash:api/cases/details`, 11 Nov, 11:26 UTC. ## Biggest drops · from this case, by value [★ Karambit | Gamma Doppler (Factory New) (Emerald) knife · covert · Emerald](https://gambatracker.com/items/karambit-gamma-doppler-factory-new-emerald) Hidden $99.96 154 gems $7,635 11,746 gems 76.38x 2026-11-04 04:22 UTC [AK-47 | Wild Lotus (Minimal Wear) weapon · covert](https://gambatracker.com/items/ak-47-wild-lotus-minimal-wear) Hidden $99.96 154 gems $6,883 10,590 gems 68.86x 2026-11-10 21:59 UTC [AK-47 | Wild Lotus (Minimal Wear) weapon · covert](https://gambatracker.com/items/ak-47-wild-lotus-minimal-wear) Hidden $99.96 154 gems $6,883 10,590 gems 68.86x 2026-11-07 21:07 UTC [★ Sport Gloves | Hedge Maze (Field-Tested) gloves · epic](https://gambatracker.com/items/sport-gloves-hedge-maze-field-tested) Hidden $99.96 154 gems $1,584 2,437 gems 15.85x 2026-11-04 12:47 UTC [M4A4 | Poseidon (Field-Tested) weapon · classified](https://gambatracker.com/items/m4a4-poseidon-field-tested) Hidden $99.96 154 gems $632 972 gems 6.32x 2026-11-07 23:19 UTC [M4A4 | Poseidon (Field-Tested) weapon · classified](https://gambatracker.com/items/m4a4-poseidon-field-tested) [Thomas the termonuclear bomb](https://gambatracker.com/players/clash/Thomas%20the%20termonuclear%20bomb) $99.96 154 gems $632 972 gems 6.32x 2026-11-07 21:18 UTC [M4A4 | Poseidon (Field-Tested) weapon · classified](https://gambatracker.com/items/m4a4-poseidon-field-tested) Hidden $99.96 154 gems $632 972 gems 6.32x 2026-11-07 01:43 UTC [M4A4 | Poseidon (Field-Tested) weapon · classified](https://gambatracker.com/items/m4a4-poseidon-field-tested) Hidden $99.96 154 gems $632 972 gems 6.32x 2026-11-07 01:38 UTC [M4A4 | Poseidon (Field-Tested) weapon · classified](https://gambatracker.com/items/m4a4-poseidon-field-tested) Hidden $99.96 154 gems $632 972 gems 6.32x 2026-11-04 21:20 UTC [M4A4 | Poseidon (Field-Tested) weapon · classified](https://gambatracker.com/items/m4a4-poseidon-field-tested) Hidden $99.96 154 gems $632 972 gems 6.32x 2026-11-04 21:17 UTC ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=clash&case=biba-case) [Tec-9 | Bamboo Forest (Factory New) weapon · consumer](https://gambatracker.com/items/tec-9-bamboo-forest-factory-new) Hidden $99.96 154 gems $5.09 7.83 gems 0.05x 2026-11-11 13:21 UTC [Tec-9 | Bamboo Forest (Factory New) weapon · consumer](https://gambatracker.com/items/tec-9-bamboo-forest-factory-new) Hidden $99.96 154 gems $5.09 7.83 gems 0.05x 2026-11-11 13:21 UTC [Tec-9 | Bamboo Forest (Factory New) weapon · consumer](https://gambatracker.com/items/tec-9-bamboo-forest-factory-new) Hidden $99.96 154 gems $5.09 7.83 gems 0.05x 2026-11-11 13:21 UTC [Tec-9 | Bamboo Forest (Factory New) weapon · consumer](https://gambatracker.com/items/tec-9-bamboo-forest-factory-new) Hidden $99.96 154 gems $5.09 7.83 gems 0.05x 2026-11-11 13:21 UTC [Tec-9 | Bamboo Forest (Factory New) weapon · consumer](https://gambatracker.com/items/tec-9-bamboo-forest-factory-new) Hidden $99.96 154 gems $5.09 7.83 gems 0.05x 2026-11-11 13:21 UTC [Tec-9 | Bamboo Forest (Factory New) weapon · consumer](https://gambatracker.com/items/tec-9-bamboo-forest-factory-new) [FarelEnergy skinbet.gg](https://gambatracker.com/players/clash/FarelEnergy%20skinbet.gg) $99.96 154 gems $5.09 7.83 gems 0.05x 2026-11-11 13:21 UTC [Tec-9 | Bamboo Forest (Factory New) weapon · consumer](https://gambatracker.com/items/tec-9-bamboo-forest-factory-new) Hidden $99.96 154 gems $5.09 7.83 gems 0.05x 2026-11-10 23:02 UTC [Tec-9 | Bamboo Forest (Factory New) weapon · consumer](https://gambatracker.com/items/tec-9-bamboo-forest-factory-new) Hidden $99.96 154 gems $5.09 7.83 gems 0.05x 2026-11-10 23:02 UTC [Tec-9 | Bamboo Forest (Factory New) weapon · consumer](https://gambatracker.com/items/tec-9-bamboo-forest-factory-new) Hidden $99.96 154 gems $5.09 7.83 gems 0.05x 2026-11-10 23:02 UTC [Tec-9 | Bamboo Forest (Factory New) weapon · consumer](https://gambatracker.com/items/tec-9-bamboo-forest-factory-new) [Helqxz](https://gambatracker.com/players/clash/Helqxz) $99.96 154 gems $5.09 7.83 gems 0.05x 2026-11-10 23:02 UTC ## Catalog changes · price, advertised RTP and contents, per capture | Captured | Price | Advertised | Items | | --- | --- | --- | --- | | 3 Nov, 01:59 UTC | $99.96 | 90.00% | 9 | Each opening is tested against the capture in force when it happened; a price or odds change starts a new one. listed covert 6.2% epic 0.3% classified 2.5% rare 3.0% restricted 3.0% red 5.0% consumer 80.0% best hit $7,635 (76.38x) 18+ **Case opening is gambling with skins as the currency.** At 90.0% RTP, every $100 put into cases returns $90.00 on average: an expected loss of $10.00 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