--- title: "BUTTFLY 11 case on Skin.club: odds, RTP & drops" description: "BUTTFLY 11 ($3.05) on Skin.club, a CS2 case site: no published odds, observed 82.51% over 586 openings in 30 days. Independent and free, no sign-up." url: https://gambatracker.com/cases/skinclub/cc-20af9e820 rendered: 2026-11-12T13:20Z --- [Case sites](https://gambatracker.com/case-sites) / [Skin.club](https://gambatracker.com/case-sites/skinclub) / [BUTTFLY 11](https://gambatracker.com/cases/skinclub/cc-20af9e820) # [Skin.club](https://gambatracker.com/case-sites/skinclub) · BUTTFLY 11 A case on Skin.club, first seen 3 Nov 2026. Every value is Skin.club's own item price. [24h](https://gambatracker.com/cases/skinclub/cc-20af9e820?window=24h) [7d](https://gambatracker.com/cases/skinclub/cc-20af9e820?window=7d) [30d](https://gambatracker.com/cases/skinclub/cc-20af9e820) [All](https://gambatracker.com/cases/skinclub/cc-20af9e820?window=all) Price · $3.05 Advertised RTP · — · no catalog Observed RTP, 30d · 82.51% · 586 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 · 329 openings · below min 30 days · 586 openings · below min since tracking started · 586 openings · below min -0.5% 109.5% 219.5% **Small sample.** 586 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/skinclub/cc-20af9e820?window=24h) | 0 | — | — | — | | [7d](https://gambatracker.com/cases/skinclub/cc-20af9e820?window=7d) | 329 | 93.41% ±125.6 | — | sample | | [30d](https://gambatracker.com/cases/skinclub/cc-20af9e820) | 586 | 82.51% ±91.1 | — | sample | | [All](https://gambatracker.com/cases/skinclub/cc-20af9e820?window=all) | 586 | 82.51% ±91.1 | — | 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 [★ Butterfly Knife | Rust Coat (Battle-Scarred) knife · covert](https://gambatracker.com/items/butterfly-knife-rust-coat-battle-scarred) Hidden $3.02 $522 172.7x 2026-11-04 18:23 UTC [★ Butterfly Knife | Urban Masked (Field-Tested) knife · gold](https://gambatracker.com/items/butterfly-knife-urban-masked-field-tested) Hidden $3.06 $461 150.8x 2026-11-07 20:11 UTC [★ Butterfly Knife | Scorched (Battle-Scarred) knife · gold](https://gambatracker.com/items/butterfly-knife-scorched-battle-scarred) [++MAX++](https://gambatracker.com/players/skinclub/%2B%2BMAX%2B%2B) $3.01 $444 147.4x 2026-11-10 18:17 UTC ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=skinclub&case=cc-20af9e820) [Sticker | Sting Like A Butterfly sticker · Rare](https://gambatracker.com/items/sticker-sting-like-a-butterfly) Hidden $3.01 $0.08 0.03x 2026-11-10 18:25 UTC [Sticker | Sting Like A Butterfly sticker · Rare](https://gambatracker.com/items/sticker-sting-like-a-butterfly) Hidden $3.01 $0.08 0.03x 2026-11-10 18:25 UTC [Sticker | Sting Like A Butterfly sticker · Rare](https://gambatracker.com/items/sticker-sting-like-a-butterfly) [++MAX++](https://gambatracker.com/players/skinclub/%2B%2BMAX%2B%2B) $3.01 $0.08 0.03x 2026-11-10 18:25 UTC [Sticker | Sting Like A Butterfly sticker · Rare](https://gambatracker.com/items/sticker-sting-like-a-butterfly) Hidden $3.01 $0.08 0.03x 2026-11-10 18:25 UTC [Sticker | Sting Like A Butterfly sticker · Rare](https://gambatracker.com/items/sticker-sting-like-a-butterfly) Hidden $3.01 $0.08 0.03x 2026-11-10 18:25 UTC [Sticker | Sting Like A Butterfly sticker · Rare](https://gambatracker.com/items/sticker-sting-like-a-butterfly) [++MAX++](https://gambatracker.com/players/skinclub/%2B%2BMAX%2B%2B) $3.01 $0.08 0.03x 2026-11-10 18:25 UTC [Sticker | Sting Like A Butterfly sticker · Rare](https://gambatracker.com/items/sticker-sting-like-a-butterfly) Hidden $3.01 $0.08 0.03x 2026-11-10 18:24 UTC [Sticker | Sting Like A Butterfly sticker · Rare](https://gambatracker.com/items/sticker-sting-like-a-butterfly) Hidden $3.01 $0.08 0.03x 2026-11-10 18:24 UTC [Sticker | Sting Like A Butterfly sticker · Rare](https://gambatracker.com/items/sticker-sting-like-a-butterfly) [++MAX++](https://gambatracker.com/players/skinclub/%2B%2BMAX%2B%2B) $3.01 $0.08 0.03x 2026-11-10 18:24 UTC [Sticker | Sting Like A Butterfly sticker · Rare](https://gambatracker.com/items/sticker-sting-like-a-butterfly) Hidden $3.01 $0.08 0.03x 2026-11-10 18:24 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 $522 (172.7x) 18+ **Case opening is gambling with skins as the currency.** At 82.5% RTP, every $100 put into cases returns $82.51 on average: an expected loss of $17.49 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