--- title: "Ruby Mask case on Skin.club: odds, RTP & drops" description: "Ruby Mask ($2.09) on Skin.club, a CS2 case site: no published odds, observed 103.87% over 18.2K openings in 30 days. Independent and free, no sign-up." url: https://gambatracker.com/cases/skinclub/ruby-mask rendered: 2026-11-11T22:28Z --- [Case sites](https://gambatracker.com/case-sites) / [Skin.club](https://gambatracker.com/case-sites/skinclub) / [Ruby Mask](https://gambatracker.com/cases/skinclub/ruby-mask) # [Skin.club](https://gambatracker.com/case-sites/skinclub) · Ruby Mask A case on Skin.club, first seen 2 Nov 2026. Every value is Skin.club's own item price. [24h](https://gambatracker.com/cases/skinclub/ruby-mask?window=24h) [7d](https://gambatracker.com/cases/skinclub/ruby-mask?window=7d) [30d](https://gambatracker.com/cases/skinclub/ruby-mask) [All](https://gambatracker.com/cases/skinclub/ruby-mask?window=all) Price · $2.09 Advertised RTP · — · no catalog Observed RTP, 30d · 103.87% · 18.2K 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 7 days · 104.94% ±23.84 13.5K openings 30 days · 103.87% ±21.15 18.2K openings since tracking started · 103.87% ±21.15 18.2K openings 80.5% 105.0% 129.5% ## Windows · the test per window | Window | Openings | Observed | Dev. | Method | | --- | --- | --- | --- | --- | | [24h](https://gambatracker.com/cases/skinclub/ruby-mask?window=24h) | 0 | — | — | — | | [7d](https://gambatracker.com/cases/skinclub/ruby-mask?window=7d) | 13.5K | 104.94% ±23.8 | — | sample | | [30d](https://gambatracker.com/cases/skinclub/ruby-mask) | 18.2K | 103.87% ±21.2 | — | sample | | [All](https://gambatracker.com/cases/skinclub/ruby-mask?window=all) | 18.2K | 103.87% ±21.2 | — | 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** Skin.club publishes no catalog; the case is known from the drops that named it. Values are Skin.club'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 [★ Stiletto Knife | Doppler (Factory New) (Factory New) (Ruby) knife · Immortal · Ruby](https://gambatracker.com/items/stiletto-knife-doppler-factory-new-factory-new-ruby) Hidden $2.10 $1,772 843.9x 2026-11-04 13:49 UTC [★ Stiletto Knife | Doppler (Factory New) (Factory New) (Ruby) knife · Immortal · Ruby](https://gambatracker.com/items/stiletto-knife-doppler-factory-new-factory-new-ruby) Hidden $2.10 $1,742 829.5x 2026-11-06 23:01 UTC [★ Stiletto Knife | Doppler (Factory New) (Factory New) (Ruby) knife · Immortal · Ruby](https://gambatracker.com/items/stiletto-knife-doppler-factory-new-factory-new-ruby) [Matty](https://gambatracker.com/players/skinclub/Matty) $2.08 $1,711 822.6x 2026-11-08 16:03 UTC [★ Survival Knife | Doppler (Factory New) (Ruby) knife · legendary · Ruby](https://gambatracker.com/items/survival-knife-doppler-factory-new-ruby) [Trippy](https://gambatracker.com/players/skinclub/Trippy) $2.12 $511 241.1x 2026-11-05 21:11 UTC [★ Gut Knife | Doppler (Factory New) (Factory New) (Ruby) knife · Immortal · Ruby](https://gambatracker.com/items/gut-knife-doppler-factory-new-factory-new-ruby) Hidden $2.09 $504 241.1x 2026-11-08 20:48 UTC [★ Gut Knife | Doppler (Factory New) (Factory New) (Ruby) knife · Immortal · Ruby](https://gambatracker.com/items/gut-knife-doppler-factory-new-factory-new-ruby) [andrikuechler465](https://gambatracker.com/players/skinclub/andrikuechler465) $2.09 $504 241.1x 2026-11-08 19:47 UTC [★ Gut Knife | Doppler (Factory New) (Ruby) knife · covert · Ruby](https://gambatracker.com/items/gut-knife-doppler-factory-new-ruby) [Matty](https://gambatracker.com/players/skinclub/Matty) $2.09 $504 241.1x 2026-11-08 17:13 UTC [★ Gut Knife | Doppler (Factory New) (Factory New) (Ruby) knife · Immortal · Ruby](https://gambatracker.com/items/gut-knife-doppler-factory-new-factory-new-ruby) Hidden $2.09 $504 241.1x 2026-11-08 08:16 UTC [★ Gut Knife | Doppler (Factory New) (Ruby) knife · covert · Ruby](https://gambatracker.com/items/gut-knife-doppler-factory-new-ruby) [Turnip](https://gambatracker.com/players/skinclub/Turnip) $2.09 $499 238.9x 2026-11-08 02:47 UTC [★ Gut Knife | Doppler (Factory New) (Factory New) (Ruby) knife · Immortal · Ruby](https://gambatracker.com/items/gut-knife-doppler-factory-new-factory-new-ruby) Hidden $2.09 $499 238.9x 2026-11-08 02:46 UTC ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=skinclub&case=ruby-mask) [P250 | Muertos (Minimal Wear) weapon · classified](https://gambatracker.com/items/p250-muertos-minimal-wear) [SEKKAA](https://gambatracker.com/players/skinclub/SEKKAA) $2.09 $13.00 6.22x 2026-11-10 00:02 UTC [Desert Eagle | Crimson Web (Minimal Wear) weapon · restricted](https://gambatracker.com/items/desert-eagle-crimson-web-minimal-wear) [Rayzengc](https://gambatracker.com/players/skinclub/Rayzengc) $2.09 $31.79 15.21x 2026-11-09 23:43 UTC [USP-S | Kill Confirmed (Minimal Wear) weapon · covert](https://gambatracker.com/items/usp-s-kill-confirmed-minimal-wear) [SEKKAA](https://gambatracker.com/players/skinclub/SEKKAA) $2.09 $103 49.45x 2026-11-09 19:27 UTC [P250 | Muertos (Minimal Wear) weapon · classified](https://gambatracker.com/items/p250-muertos-minimal-wear) [meMoRiieS\*](https://gambatracker.com/players/skinclub/meMoRiieS*-2064272) $2.09 $13.23 6.33x 2026-11-09 13:39 UTC [USP-S | Kill Confirmed (Minimal Wear) weapon · covert](https://gambatracker.com/items/usp-s-kill-confirmed-minimal-wear) [yangel](https://gambatracker.com/players/skinclub/yangel) $2.09 $103 49.45x 2026-11-09 13:12 UTC [Sticker | Arms Race sticker · Rare](https://gambatracker.com/items/sticker-arms-race) Hidden $2.09 $0.10 0.05x 2026-11-09 02:50 UTC [Sticker | Arms Race sticker · Rare](https://gambatracker.com/items/sticker-arms-race) [808BigBotogang](https://gambatracker.com/players/skinclub/808BigBotogang) $2.09 $0.10 0.05x 2026-11-09 02:50 UTC [Sticker | Arms Race sticker · Rare](https://gambatracker.com/items/sticker-arms-race) Hidden $2.09 $0.10 0.05x 2026-11-09 02:50 UTC [Sticker | Arms Race sticker · Rare](https://gambatracker.com/items/sticker-arms-race) Hidden $2.09 $0.10 0.05x 2026-11-09 02:50 UTC [Sticker | Arms Race sticker · Rare](https://gambatracker.com/items/sticker-arms-race) Hidden $2.09 $0.10 0.05x 2026-11-09 02:48 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 $1,772 (843.9x) 18+ **Case opening is gambling with skins as the currency.** At 103.9% RTP, every $100 put into cases returns $103.87 on average: an expected loss of $0.00 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