--- title: "5% big balls BOI case on Cases.gg: odds, RTP & drops" description: "5% big balls BOI ($24.35) on Cases.gg, a CS2 case site: no published odds, observed 563.91% over 16 openings in 30 days. Independent and free, no sign-up." url: https://gambatracker.com/cases/cases-gg/5percent-big-balls-boi rendered: 2026-11-12T11:00Z --- [Case sites](https://gambatracker.com/case-sites) / [Cases.gg](https://gambatracker.com/case-sites/cases-gg) / [5% big balls BOI](https://gambatracker.com/cases/cases-gg/5percent-big-balls-boi) # [Cases.gg](https://gambatracker.com/case-sites/cases-gg) · 5% big balls BOI A box on Cases.gg, first seen 3 Nov 2026. Every value is Cases.gg's own item price. [24h](https://gambatracker.com/cases/cases-gg/5percent-big-balls-boi?window=24h) [7d](https://gambatracker.com/cases/cases-gg/5percent-big-balls-boi?window=7d) [30d](https://gambatracker.com/cases/cases-gg/5percent-big-balls-boi) [All](https://gambatracker.com/cases/cases-gg/5percent-big-balls-boi?window=all) Price · $24.35 Advertised RTP · — · no catalog Observed RTP, 30d · 563.91% · 16 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 · 4 openings · below min 30 days · 16 openings · below min since tracking started · 16 openings · below min -0.5% 658.3% 1317.0% **Small sample.** 16 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/cases-gg/5percent-big-balls-boi?window=24h) | 0 | — | — | — | | [7d](https://gambatracker.com/cases/cases-gg/5percent-big-balls-boi?window=7d) | 4 | 4.11% ±0.00 | — | sample | | [30d](https://gambatracker.com/cases/cases-gg/5percent-big-balls-boi) | 16 | 563.91% ±752.6 | — | sample | | [All](https://gambatracker.com/cases/cases-gg/5percent-big-balls-boi?window=all) | 16 | 563.91% ±752.6 | — | sample | Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method). ## Items and odds · none published **No catalog** Cases.gg publishes no catalog; the case is known from the drops that named it. Values are Cases.gg's own item prices for physical goods; 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 [Chanel CC Logo Earrings Gold (ABA227) other](https://gambatracker.com/items/chanel-cc-logo-earrings-gold-aba227) Hidden $24.35 $1,445 59.34x 2026-11-04 21:46 UTC [Chanel Gold CC Multicolor Gripoix Cross Ring other](https://gambatracker.com/items/chanel-gold-cc-multicolor-gripoix-cross-ring) Hidden $24.35 $540 22.18x 2026-11-04 21:47 UTC ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=cases-gg&case=5percent-big-balls-boi) [Chocolate Gold Coin other](https://gambatracker.com/items/chocolate-gold-coin) Hidden $24.35 $1.00 0.04x 2026-11-07 01:57 UTC [Chocolate Gold Coin other](https://gambatracker.com/items/chocolate-gold-coin) Hidden $24.35 $1.00 0.04x 2026-11-07 01:57 UTC [Chocolate Gold Coin other](https://gambatracker.com/items/chocolate-gold-coin) Hidden $24.35 $1.00 0.04x 2026-11-07 01:57 UTC [Chocolate Gold Coin other](https://gambatracker.com/items/chocolate-gold-coin) [mitchdude202](https://gambatracker.com/players/cases-gg/mitchdude202) $24.35 $1.00 0.04x 2026-11-07 01:57 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 $1,445 (59.34x) 18+ **Case opening is gambling with skins as the currency.** At 563.9% RTP, every $100 put into cases returns $563.91 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