--- title: "Vortex case on CSGOBig: odds, RTP & drops · gambatracker" description: "Vortex ($1,016.00) on CSGOBig, a CS2 case site: advertised RTP 90.00% from 11 items with odds. Item values at the site’s own prices, biggest and latest drops." url: https://gambatracker.com/cases/csgobig/339 rendered: 2026-11-11T13:28Z --- [Case sites](https://gambatracker.com/case-sites) / [CSGOBig](https://gambatracker.com/case-sites/csgobig) / [Vortex](https://gambatracker.com/cases/csgobig/339) # [CSGOBig](https://gambatracker.com/case-sites/csgobig) · Vortex A case on CSGOBig, first seen 3 Nov 2026. Every value is CSGOBig's own item price converted from csgobig coin at the rate on the site page. [24h](https://gambatracker.com/cases/csgobig/339?window=24h) [7d](https://gambatracker.com/cases/csgobig/339?window=7d) [30d](https://gambatracker.com/cases/csgobig/339) [All](https://gambatracker.com/cases/csgobig/339?window=all) Price · $1,016.00 · 1,016 CSGOBIG\_COIN Advertised RTP · 90.00% · EV $914.39 from 11 items Observed RTP, 30d · — · no counted openings Variance · 4.6× · of price², per opening Tail share · 1 in 11 · of openings carry half the EV Below price · 73.5% · of openings return less than the price ## Advertised vs observed · per window, 95% band and the advertised marker **No counted openings yet** Openings inside battles and free cases are listed but never counted. ## Windows · the test per window | Window | Openings | Observed | Dev. | Method | | --- | --- | --- | --- | --- | | [24h](https://gambatracker.com/cases/csgobig/339?window=24h) | 0 | — | — | — | | [7d](https://gambatracker.com/cases/csgobig/339?window=7d) | 0 | — | — | — | | [30d](https://gambatracker.com/cases/csgobig/339) | 0 | — | — | — | | [All](https://gambatracker.com/cases/csgobig/339?window=all) | 0 | — | — | — | Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method). ## Items, odds and values · 11 items · odds sum to 1 · observed counts over 0 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 | | --- | --- | --- | --- | --- | --- | --- | | [Sticker \| Team Dignitas (Holo) \| Katowice 2014 sticker · remarkable](https://gambatracker.com/items/sticker-team-dignitas-holo-katowice-2014) | 1 in 400 | $28K 28,000 CSGOBIG\_COIN | 7.7% | 0 | 0.0 | — | | [Sticker \| HellRaisers (Holo) \| Katowice 2014 sticker · remarkable](https://gambatracker.com/items/sticker-hellraisers-holo-katowice-2014) | 1 in 200 | $12K 12,000 CSGOBIG\_COIN | 6.6% | 0 | 0.0 | — | | [★ Specialist Gloves \| Emerald Web (Factory New) gloves · extraordinary](https://gambatracker.com/items/specialist-gloves-emerald-web-factory-new) | 1 in 133 | $10K 10,000 CSGOBIG\_COIN | 8.2% | 0 | 0.0 | — | | [★ Butterfly Knife \| Doppler (Minimal Wear) (Ruby) knife · covert · Ruby](https://gambatracker.com/items/butterfly-knife-doppler-minimal-wear-ruby) | 1 in 100 | $8,000 8,000 CSGOBIG\_COIN | 8.7% | 0 | 0.0 | — | | [AWP \| Gungnir (Battle-Scarred) weapon · covert](https://gambatracker.com/items/awp-gungnir-battle-scarred) | 1 in 50 | $5,800 5,800 CSGOBIG\_COIN | 12.7% | 0 | 0.0 | — | | [★ Bayonet \| Doppler (Minimal Wear) (Ruby) knife · covert · Ruby](https://gambatracker.com/items/bayonet-doppler-minimal-wear-ruby) | 1 in 20 | $3,000 3,000 CSGOBIG\_COIN | 16.4% | 0 | 0.0 | — | | [Souvenir M4A1-S \| Knight (Factory New) Souvenir · weapon · Classified](https://gambatracker.com/items/souvenir-m4a1-s-knight-factory-new) | 1 in 14 | $1,600 1,600 CSGOBIG\_COIN | 12.2% | 0 | 0.0 | — | | [★ Talon Knife \| Fade (Minimal Wear) knife · covert](https://gambatracker.com/items/talon-knife-fade-minimal-wear) | 10.0% | $1,200 1,200 CSGOBIG\_COIN | 13.1% | 0 | 0.0 | — | | [★ Nomad Knife \| Slaughter (Minimal Wear) knife · covert knife](https://gambatracker.com/items/nomad-knife-slaughter-minimal-wear) | 15.0% | $500 500 CSGOBIG\_COIN | 8.2% | 0 | 0.0 | — | | [★ Survival Knife \| Stained (Factory New) knife · covert knife](https://gambatracker.com/items/survival-knife-stained-factory-new) | 22.0% | $180 180 CSGOBIG\_COIN | 4.3% | 0 | 0.0 | — | | [M4A1-S \| Golden Coil (Field-Tested) weapon · covert](https://gambatracker.com/items/m4a1-s-golden-coil-field-tested) | 36.5% | $46.00 46 CSGOBIG\_COIN | 1.8% | 0 | 0.0 | — | Values are CSGOBig'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 `csgobig:api/cases/getDetails?id=339`, 11 Nov, 13:05 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=csgobig&case=339) **No drops yet** No drop from this case seen yet. ## Observed RTP over time · daily, 30 days No history yet ## Catalog changes · price, advertised RTP and contents, per capture | Captured | Price | Advertised | Items | | --- | --- | --- | --- | | 3 Nov, 04:27 UTC | $1,016 | 90.00% | 11 | Each opening is tested against the capture in force when it happened; a price or odds change starts a new one. listed remarkable 0.8% extraordinary 0.8% covert 54.5% Classified 7.0% covert knife 37.0% 18+ **Case opening is gambling with skins as the currency.** At 90.0% RTP, every $100 put into cases returns $90.00 on average: an expected loss of $10.00 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