--- title: "Acid case on Rain.gg: odds, RTP & drops · gambatracker" description: "Acid ($2.07) on Rain.gg, a CS2 case site: no published odds, observed 88.17% over 15.9K openings in 30 days. Independent and free, no sign-up." url: https://gambatracker.com/cases/rain/acid rendered: 2026-11-11T18:14Z --- [Case sites](https://gambatracker.com/case-sites) / [Rain.gg](https://gambatracker.com/case-sites/rain) / [Acid](https://gambatracker.com/cases/rain/acid) # [Rain.gg](https://gambatracker.com/case-sites/rain) · Acid A case on Rain.gg, first seen 2 Nov 2026. Every value is Rain.gg's own item price converted from Rain coins at the rate on the site page. [24h](https://gambatracker.com/cases/rain/acid?window=24h) [7d](https://gambatracker.com/cases/rain/acid?window=7d) [30d](https://gambatracker.com/cases/rain/acid) [All](https://gambatracker.com/cases/rain/acid?window=all) Price · $2.07 · 2.96 coins Advertised RTP · — · no catalog Observed RTP, 30d · 88.17% · 15.9K 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 · 88.76% ±13.56 1,492 openings 7 days · 88.80% ±4.96 11.7K openings 30 days · 88.17% ±4.20 15.9K openings since tracking started · 88.17% ±4.20 15.9K openings 74.5% 88.8% 103.0% ## Windows · the test per window | Window | Openings | Observed | Dev. | Method | | --- | --- | --- | --- | --- | | [24h](https://gambatracker.com/cases/rain/acid?window=24h) | 1,492 | 88.76% ±13.6 | — | sample | | [7d](https://gambatracker.com/cases/rain/acid?window=7d) | 11.7K | 88.80% ±4.96 | — | sample | | [30d](https://gambatracker.com/cases/rain/acid) | 15.9K | 88.17% ±4.20 | — | sample | | [All](https://gambatracker.com/cases/rain/acid?window=all) | 15.9K | 88.17% ±4.20 | — | 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** Rain.gg publishes no catalog; the case is known from the drops that named it. Values are Rain.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™ Shadow Daggers | Case Hardened (Battle-Scarred) StatTrak · knife · covert knife](https://gambatracker.com/items/stattrak-shadow-daggers-case-hardened-battle-scarred) Hidden $2.07 2.96 coins $122 174 coins 58.90x 2026-11-09 07:39 UTC [★ StatTrak™ Shadow Daggers | Case Hardened (Battle-Scarred) StatTrak · knife · covert knife](https://gambatracker.com/items/stattrak-shadow-daggers-case-hardened-battle-scarred) Hidden $2.07 2.96 coins $122 174 coins 58.90x 2026-11-07 18:19 UTC ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=rain&case=acid) [P90 | Facility Negative (Minimal Wear) weapon · #4b69ff](https://gambatracker.com/items/p90-facility-negative-minimal-wear) Hidden $2.07 2.96 coins $0.24 0.35 coins 0.12x 2026-11-11 18:00 UTC [AUG | Random Access (Well-Worn) weapon · Restricted](https://gambatracker.com/items/aug-random-access-well-worn) Hidden $2.07 2.96 coins $0.45 0.65 coins 0.22x 2026-11-11 18:00 UTC [P90 | Facility Negative (Minimal Wear) weapon · #4b69ff](https://gambatracker.com/items/p90-facility-negative-minimal-wear) Hidden $2.07 2.96 coins $0.24 0.35 coins 0.12x 2026-11-11 18:00 UTC [Souvenir M4A4 | Radiation Hazard (Well-Worn) Souvenir · weapon · Mil Spec](https://gambatracker.com/items/souvenir-m4a4-radiation-hazard-well-worn) Hidden $2.07 2.96 coins $31.86 45.51 coins 15.38x 2026-11-11 18:00 UTC [FAMAS | Crypsis (Minimal Wear) weapon · mil spec](https://gambatracker.com/items/famas-crypsis-minimal-wear) Hidden $2.07 2.96 coins $0.22 0.32 coins 0.11x 2026-11-11 18:00 UTC [FAMAS | Crypsis (Minimal Wear) weapon · mil spec](https://gambatracker.com/items/famas-crypsis-minimal-wear) [FazLa](https://gambatracker.com/players/rain/FazLa) $2.07 2.96 coins $0.22 0.32 coins 0.11x 2026-11-11 18:00 UTC [AUG | Random Access (Well-Worn) weapon · Restricted](https://gambatracker.com/items/aug-random-access-well-worn) Hidden $2.07 2.96 coins $0.45 0.65 coins 0.22x 2026-11-11 17:50 UTC [FAMAS | Crypsis (Minimal Wear) weapon · mil spec](https://gambatracker.com/items/famas-crypsis-minimal-wear) Hidden $2.07 2.96 coins $0.22 0.32 coins 0.11x 2026-11-11 17:50 UTC [FAMAS | Crypsis (Minimal Wear) weapon · mil spec](https://gambatracker.com/items/famas-crypsis-minimal-wear) [LLTTFFRR](https://gambatracker.com/players/rain/LLTTFFRR) $2.07 2.96 coins $0.22 0.32 coins 0.11x 2026-11-11 17:50 UTC [FAMAS | Crypsis (Minimal Wear) weapon · mil spec](https://gambatracker.com/items/famas-crypsis-minimal-wear) Hidden $2.07 2.96 coins $0.22 0.32 coins 0.11x 2026-11-11 17:50 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 $122 (58.90x) 18+ **Case opening is gambling with skins as the currency.** At 88.2% RTP, every $100 put into cases returns $88.17 on average: an expected loss of $11.83 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