--- title: "Mystery case on CSGOBig: odds, RTP & drops · gambatracker" description: "Mystery ($777.00) on CSGOBig, a CS2 case site: advertised RTP 90.00% from 10 items with odds. Item values at the site’s own prices, biggest and latest drops." url: https://gambatracker.com/cases/csgobig/337 rendered: 2026-11-11T13:48Z --- [Case sites](https://gambatracker.com/case-sites) / [CSGOBig](https://gambatracker.com/case-sites/csgobig) / [Mystery](https://gambatracker.com/cases/csgobig/337) # [CSGOBig](https://gambatracker.com/case-sites/csgobig) · Mystery 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/337?window=24h) [7d](https://gambatracker.com/cases/csgobig/337?window=7d) [30d](https://gambatracker.com/cases/csgobig/337) [All](https://gambatracker.com/cases/csgobig/337?window=all) Price · $777.00 · 777 CSGOBIG\_COIN Advertised RTP · 90.00% · EV $699.30 from 10 items Observed RTP, 30d · — · no counted openings Variance · 11.6× · of price², per opening Tail share · 1 in 25 · of openings carry half the EV Below price · 82.0% · 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/337?window=24h) | 0 | — | — | — | | [7d](https://gambatracker.com/cases/csgobig/337?window=7d) | 0 | — | — | — | | [30d](https://gambatracker.com/cases/csgobig/337) | 0 | — | — | — | | [All](https://gambatracker.com/cases/csgobig/337?window=all) | 0 | — | — | — | Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method). ## Items, odds and values · 10 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 \| Vox Eminor (Holo) \| Katowice 2014 sticker · legendary](https://gambatracker.com/items/sticker-vox-eminor-holo-katowice-2014) | 1 in 333 | $40K 40,000 CSGOBIG\_COIN | 17.2% | 0 | 0.0 | — | | [★ Specialist Gloves \| Crimson Kimono (Factory New) gloves · extraordinary](https://gambatracker.com/items/specialist-gloves-crimson-kimono-factory-new) | 1 in 143 | $13K 13,000 CSGOBIG\_COIN | 13.0% | 0 | 0.0 | — | | [★ Sport Gloves \| Pandora's Box (Minimal Wear) gloves · legendary](https://gambatracker.com/items/sport-gloves-pandoras-box-minimal-wear) | 1 in 100 | $9,000 9,000 CSGOBIG\_COIN | 12.9% | 0 | 0.0 | — | | [AK-47 \| Wild Lotus (Well-Worn) weapon · covert](https://gambatracker.com/items/ak-47-wild-lotus-well-worn) | 1 in 50 | $4,300 4,300 CSGOBIG\_COIN | 12.3% | 0 | 0.0 | — | | [AWP \| Desert Hydra (Minimal Wear) weapon · covert](https://gambatracker.com/items/awp-desert-hydra-minimal-wear) | 1 in 17 | $1,900 1,900 CSGOBIG\_COIN | 16.3% | 0 | 0.0 | — | | [★ Karambit \| Black Laminate (Factory New) knife · covert](https://gambatracker.com/items/karambit-black-laminate-factory-new) | 1 in 13 | $1,100 1,100 CSGOBIG\_COIN | 12.6% | 0 | 0.0 | — | | [★ Stiletto Knife \| Slaughter (Factory New) knife · covert](https://gambatracker.com/items/stiletto-knife-slaughter-factory-new) | 10.0% | $500 500 CSGOBIG\_COIN | 7.2% | 0 | 0.0 | — | | [★ Driver Gloves \| Crimson Weave (Well-Worn) gloves · extraordinary](https://gambatracker.com/items/driver-gloves-crimson-weave-well-worn) | 15.0% | $210 210 CSGOBIG\_COIN | 4.5% | 0 | 0.0 | — | | [StatTrak™ M4A4 \| Buzz Kill (Factory New) StatTrak · weapon · Covert](https://gambatracker.com/items/stattrak-m4a4-buzz-kill-factory-new) | 20.0% | $85.00 85 CSGOBIG\_COIN | 2.4% | 0 | 0.0 | — | | [AK-47 \| Head Shot (Minimal Wear) weapon · Covert](https://gambatracker.com/items/ak-47-head-shot-minimal-wear) | 37.0% | $31.88 31.88 CSGOBIG\_COIN | 1.7% | 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=337`, 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=337) **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 | $777 | 90.00% | 10 | Each opening is tested against the capture in force when it happened; a price or odds change starts a new one. listed legendary 1.3% extraordinary 15.7% covert 26.0% Covert 57.0% 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. 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