--- title: "Surf case on Rain.gg: odds, RTP & drops · gambatracker" description: "Surf ($4.20) on Rain.gg, a CS2 case site: no published odds, observed 97.43% over 15.7K openings in 30 days. Independent and free, no sign-up." url: https://gambatracker.com/cases/rain/surf rendered: 2026-11-11T14:02Z --- [Case sites](https://gambatracker.com/case-sites) / [Rain.gg](https://gambatracker.com/case-sites/rain) / [Surf](https://gambatracker.com/cases/rain/surf) # [Rain.gg](https://gambatracker.com/case-sites/rain) · Surf 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/surf?window=24h) [7d](https://gambatracker.com/cases/rain/surf?window=7d) [30d](https://gambatracker.com/cases/rain/surf) [All](https://gambatracker.com/cases/rain/surf?window=all) Price · $4.20 · 6 coins Advertised RTP · — · no catalog Observed RTP, 30d · 97.43% · 15.7K 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 · 81.15% ±19.03 1,531 openings 7 days · 98.80% ±9.22 12.7K openings 30 days · 97.43% ±8.16 15.7K openings since tracking started · 97.43% ±8.16 15.7K openings 61.5% 85.0% 108.5% ## Windows · the test per window | Window | Openings | Observed | Dev. | Method | | --- | --- | --- | --- | --- | | [24h](https://gambatracker.com/cases/rain/surf?window=24h) | 1,531 | 81.15% ±19.0 | — | sample | | [7d](https://gambatracker.com/cases/rain/surf?window=7d) | 12.7K | 98.80% ±9.22 | — | sample | | [30d](https://gambatracker.com/cases/rain/surf) | 15.7K | 97.43% ±8.16 | — | sample | | [All](https://gambatracker.com/cases/rain/surf?window=all) | 15.7K | 97.43% ±8.16 | — | 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 [★ Hand Wraps | Cobalt Skulls (Well-Worn) gloves · extraordinary](https://gambatracker.com/items/hand-wraps-cobalt-skulls-well-worn) Hidden $4.20 6 coins $351 501 coins 83.56x 2026-11-11 09:38 UTC [★ Hand Wraps | Cobalt Skulls (Well-Worn) gloves · extraordinary](https://gambatracker.com/items/hand-wraps-cobalt-skulls-well-worn) Hidden $4.20 6 coins $351 501 coins 83.56x 2026-11-10 20:48 UTC [★ Hand Wraps | Cobalt Skulls (Well-Worn) gloves · extraordinary](https://gambatracker.com/items/hand-wraps-cobalt-skulls-well-worn) Hidden $4.20 6 coins $351 501 coins 83.56x 2026-11-10 13:26 UTC [★ Hand Wraps | Cobalt Skulls (Well-Worn) gloves · extraordinary](https://gambatracker.com/items/hand-wraps-cobalt-skulls-well-worn) Hidden $4.20 6 coins $351 501 coins 83.56x 2026-11-10 13:15 UTC [★ Hand Wraps | Cobalt Skulls (Well-Worn) gloves · extraordinary](https://gambatracker.com/items/hand-wraps-cobalt-skulls-well-worn) Hidden $4.20 6 coins $351 501 coins 83.56x 2026-11-10 13:09 UTC [★ Hand Wraps | Cobalt Skulls (Well-Worn) gloves · extraordinary](https://gambatracker.com/items/hand-wraps-cobalt-skulls-well-worn) Hidden $4.20 6 coins $351 501 coins 83.56x 2026-11-10 12:19 UTC [★ Hand Wraps | Cobalt Skulls (Well-Worn) gloves · extraordinary](https://gambatracker.com/items/hand-wraps-cobalt-skulls-well-worn) Hidden $4.20 6 coins $351 501 coins 83.56x 2026-11-10 03:15 UTC [★ Hand Wraps | Cobalt Skulls (Well-Worn) gloves · extraordinary](https://gambatracker.com/items/hand-wraps-cobalt-skulls-well-worn) Hidden $4.20 6 coins $351 501 coins 83.56x 2026-11-09 22:41 UTC [★ Hand Wraps | Cobalt Skulls (Well-Worn) gloves · extraordinary](https://gambatracker.com/items/hand-wraps-cobalt-skulls-well-worn) Hidden $4.20 6 coins $351 501 coins 83.56x 2026-11-09 22:32 UTC [★ Hand Wraps | Cobalt Skulls (Well-Worn) gloves · extraordinary](https://gambatracker.com/items/hand-wraps-cobalt-skulls-well-worn) Hidden $4.20 6 coins $351 501 coins 83.56x 2026-11-09 22:27 UTC ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=rain&case=surf) [StatTrak™ MP7 | Cirrus (Field-Tested) StatTrak · weapon · Rare](https://gambatracker.com/items/stattrak-mp7-cirrus-field-tested) Hidden $4.20 6 coins $0.36 0.51 coins 0.09x 2026-11-11 13:48 UTC [StatTrak™ MP7 | Cirrus (Field-Tested) StatTrak · weapon · Rare](https://gambatracker.com/items/stattrak-mp7-cirrus-field-tested) Hidden $4.20 6 coins $0.36 0.51 coins 0.09x 2026-11-11 13:48 UTC [StatTrak™ SSG 08 | Mainframe 001 (Factory New) StatTrak · weapon · Rare](https://gambatracker.com/items/stattrak-ssg-08-mainframe-001-factory-new) Hidden $4.20 6 coins $1.20 1.71 coins 0.29x 2026-11-11 13:48 UTC [StatTrak™ MP7 | Cirrus (Field-Tested) StatTrak · weapon · Rare](https://gambatracker.com/items/stattrak-mp7-cirrus-field-tested) Hidden $4.20 6 coins $0.36 0.51 coins 0.09x 2026-11-11 13:48 UTC [Galil AR | Stone Cold (Well-Worn) weapon · violet](https://gambatracker.com/items/galil-ar-stone-cold-well-worn) Hidden $4.20 6 coins $1.78 2.55 coins 0.43x 2026-11-11 13:48 UTC [StatTrak™ MP7 | Cirrus (Field-Tested) StatTrak · weapon · Rare](https://gambatracker.com/items/stattrak-mp7-cirrus-field-tested) Hidden $4.20 6 coins $0.36 0.51 coins 0.09x 2026-11-11 13:48 UTC [StatTrak™ MP7 | Cirrus (Field-Tested) StatTrak · weapon · Rare](https://gambatracker.com/items/stattrak-mp7-cirrus-field-tested) Hidden $4.20 6 coins $0.36 0.51 coins 0.09x 2026-11-11 13:48 UTC [StatTrak™ MP7 | Cirrus (Field-Tested) StatTrak · weapon · Rare](https://gambatracker.com/items/stattrak-mp7-cirrus-field-tested) [Wtsb-9f905c](https://gambatracker.com/players/rain/Wtsb-9f905c) $4.20 6 coins $0.36 0.51 coins 0.09x 2026-11-11 13:48 UTC [StatTrak™ MP7 | Cirrus (Field-Tested) StatTrak · weapon · Rare](https://gambatracker.com/items/stattrak-mp7-cirrus-field-tested) Hidden $4.20 6 coins $0.36 0.51 coins 0.09x 2026-11-11 13:44 UTC [StatTrak™ MP7 | Cirrus (Field-Tested) StatTrak · weapon · Rare](https://gambatracker.com/items/stattrak-mp7-cirrus-field-tested) Hidden $4.20 6 coins $0.36 0.51 coins 0.09x 2026-11-11 13:44 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 $351 (83.56x) 18+ **Case opening is gambling with skins as the currency.** At 97.4% RTP, every $100 put into cases returns $97.43 on average: an expected loss of $2.57 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