--- title: "Mask Off case on Clash.gg: odds, RTP & drops · gambatracker" description: "Mask Off ($28.25) on Clash.gg, a CS2 case site: advertised RTP 89.99% from 8 items with odds, observed 92.05% over 384 openings in 30 days." url: https://gambatracker.com/cases/clash/mask-off rendered: 2026-11-11T22:28Z --- [Case sites](https://gambatracker.com/case-sites) / [Clash.gg](https://gambatracker.com/case-sites/clash) / [Mask Off](https://gambatracker.com/cases/clash/mask-off) # [Clash.gg](https://gambatracker.com/case-sites/clash) · Mask Off A case on Clash.gg (classic), first seen 2 Nov 2026. Every value is Clash.gg's own item price converted from Clash gems at the rate on the site page. [24h](https://gambatracker.com/cases/clash/mask-off?window=24h) [7d](https://gambatracker.com/cases/clash/mask-off?window=7d) [30d](https://gambatracker.com/cases/clash/mask-off) [All](https://gambatracker.com/cases/clash/mask-off?window=all) Price · $28.25 · 43.46 gems Advertised RTP · 89.99% · EV $25.42 from 8 items Observed RTP, 30d · 92.05% · 384 openings, odds method Variance · 5.0× · of price², per opening Tail share · 1 in 20 · of openings carry half the EV Below price · 80.0% · of openings return less than the price ## Advertised vs observed · per window, 95% band and the advertised marker observed, 95% band advertised outside band small sample 24 hours · 45 openings · below min 7 days · 103.26% ±26.01 285 openings 30 days · 92.05% ±22.41 384 openings since tracking started · 92.05% ±22.41 384 openings 16.0% 82.3% 148.5% ## Windows · the test per window | Window | Openings | Observed | Dev. | Method | | --- | --- | --- | --- | --- | | [24h](https://gambatracker.com/cases/clash/mask-off?window=24h) | 45 | 82.24% ±65.5 | — | odds | | [7d](https://gambatracker.com/cases/clash/mask-off?window=7d) | 285 | 103.26% ±26.0 | +1.0σ | odds | | [30d](https://gambatracker.com/cases/clash/mask-off) | 384 | 92.05% ±22.4 | +0.2σ | odds | | [All](https://gambatracker.com/cases/clash/mask-off?window=all) | 384 | 92.05% ±22.4 | +0.2σ | odds | Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method). ## Items, odds and values · 8 items · odds sum to 1 · observed counts over 394 openings, 30 days Share of the expected value, most valuable first; colour is the item's rarity. | Item | Odds | Value | EV share | Observed | Expected | Hot / cold | | --- | --- | --- | --- | --- | --- | --- | | [★ Kukri Knife \| Urban Masked (Minimal Wear) knife · covert knife](https://gambatracker.com/items/kukri-knife-urban-masked-minimal-wear) | 1 in 20 | $285 439 gems | 56.1% | 21 | 19.7 | 1.07× | | [★ Navaja Knife \| Urban Masked (Factory New) knife · covert knife](https://gambatracker.com/items/navaja-knife-urban-masked-factory-new) | 1 in 20 | $90.14 139 gems | 17.7% | 16 | 19.7 | 0.81× | | [M4A1-S \| Mecha Industries (Factory New) weapon · covert](https://gambatracker.com/items/m4a1-s-mecha-industries-factory-new) | 10.0% | $39.47 60.73 gems | 15.5% | 40 | 39.4 | 1.02× | | [P250 \| Bengal Tiger (Factory New) weapon · #4b69ff](https://gambatracker.com/items/p250-bengal-tiger-factory-new) | 10.0% | $11.25 17.3 gems | 4.4% | 33 | 39.4 | 0.84× | | [SSG 08 \| Detour (Minimal Wear) weapon · mil spec](https://gambatracker.com/items/ssg-08-detour-minimal-wear) | 15.0% | $5.20 8 gems | 3.1% | 70 | 59.1 | 1.18× | | [Tec-9 \| Bamboo Forest (Factory New) weapon · consumer](https://gambatracker.com/items/tec-9-bamboo-forest-factory-new) | 15.0% | $2.95 4.54 gems | 1.7% | 60 | 59.1 | 1.02× | | [Galil AR \| Kami (Factory New) weapon · #4b69ff](https://gambatracker.com/items/galil-ar-kami-factory-new) | 20.0% | $1.53 2.35 gems | 1.2% | 81 | 78.8 | 1.03× | | [MAG-7 \| Firestarter (Minimal Wear) weapon · mil spec](https://gambatracker.com/items/mag-7-firestarter-minimal-wear) | 20.0% | $0.23 0.36 gems | 0.2% | 73 | 78.8 | 0.93× | Values are Clash.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. Odds read from `clash:api/cases/details`, 11 Nov, 17:55 UTC. ## Biggest drops · from this case, by value **No drops yet** No drop from this case seen yet. ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=clash&case=mask-off) [MAG-7 | Firestarter (Minimal Wear) weapon · mil spec](https://gambatracker.com/items/mag-7-firestarter-minimal-wear) Hidden $28.25 43.46 gems $0.23 0.36 gems 0.01x 2026-11-11 19:15 UTC [Tec-9 | Bamboo Forest (Factory New) weapon · consumer](https://gambatracker.com/items/tec-9-bamboo-forest-factory-new) Hidden $28.25 43.46 gems $2.95 4.54 gems 0.10x 2026-11-11 19:15 UTC [★ Navaja Knife | Urban Masked (Factory New) knife · covert knife](https://gambatracker.com/items/navaja-knife-urban-masked-factory-new) Hidden $28.25 43.46 gems $90.14 139 gems 3.19x 2026-11-11 19:15 UTC [SSG 08 | Detour (Minimal Wear) weapon · mil spec](https://gambatracker.com/items/ssg-08-detour-minimal-wear) Hidden $28.25 43.46 gems $5.20 8 gems 0.18x 2026-11-11 19:15 UTC [SSG 08 | Detour (Minimal Wear) weapon · mil spec](https://gambatracker.com/items/ssg-08-detour-minimal-wear) Hidden $28.25 43.46 gems $5.20 8 gems 0.18x 2026-11-11 19:15 UTC [SSG 08 | Detour (Minimal Wear) weapon · mil spec](https://gambatracker.com/items/ssg-08-detour-minimal-wear) [thegamblingbandits.com](https://gambatracker.com/players/clash/thegamblingbandits.com) $28.25 43.46 gems $5.20 8 gems 0.18x 2026-11-11 19:15 UTC [Galil AR | Kami (Factory New) weapon · #4b69ff](https://gambatracker.com/items/galil-ar-kami-factory-new) Hidden $28.25 43.46 gems $1.53 2.35 gems 0.05x 2026-11-11 19:13 UTC [★ Navaja Knife | Urban Masked (Factory New) knife · covert knife](https://gambatracker.com/items/navaja-knife-urban-masked-factory-new) Hidden $28.25 43.46 gems $90.14 139 gems 3.19x 2026-11-11 19:13 UTC [★ Navaja Knife | Urban Masked (Factory New) knife · covert knife](https://gambatracker.com/items/navaja-knife-urban-masked-factory-new) Hidden $28.25 43.46 gems $90.14 139 gems 3.19x 2026-11-11 19:13 UTC [SSG 08 | Detour (Minimal Wear) weapon · mil spec](https://gambatracker.com/items/ssg-08-detour-minimal-wear) Hidden $28.25 43.46 gems $5.20 8 gems 0.18x 2026-11-11 19:13 UTC ## Catalog changes · price, advertised RTP and contents, per capture | Captured | Price | Advertised | Items | | --- | --- | --- | --- | | 3 Nov, 02:04 UTC | $28.25 | 89.99% | 8 | Each opening is tested against the capture in force when it happened; a price or odds change starts a new one. listed covert knife 10.0% covert 10.0% #4b69ff 30.0% mil spec 35.0% consumer 15.0% best hit — 18+ **Case opening is gambling with skins as the currency.** At 90.0% RTP, every $100 put into cases returns $89.99 on average: an expected loss of $10.01 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