--- title: "Gem Hunter case on CSGOBig: odds, RTP & drops · gambatracker" description: "Gem Hunter ($1,342.00) on CSGOBig, a CS2 case site: advertised RTP 90.00% from 10 items with odds, observed 198.96% over 3 openings in 30 days." url: https://gambatracker.com/cases/csgobig/303 rendered: 2026-11-11T13:23Z --- [Case sites](https://gambatracker.com/case-sites) / [CSGOBig](https://gambatracker.com/case-sites/csgobig) / [Gem Hunter](https://gambatracker.com/cases/csgobig/303) # [CSGOBig](https://gambatracker.com/case-sites/csgobig) · Gem Hunter 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/303?window=24h) [7d](https://gambatracker.com/cases/csgobig/303?window=7d) [30d](https://gambatracker.com/cases/csgobig/303) [All](https://gambatracker.com/cases/csgobig/303?window=all) Price · $1,342.00 · 1,342 CSGOBIG\_COIN Advertised RTP · 90.00% · EV $1,207.80 from 10 items Observed RTP, 30d · 198.96% · 3 openings, odds method Variance · 30.8× · of price², per opening Tail share · 1 in 48 · of openings carry half the EV Below price · 90.0% · 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 30 days · 3 openings · below min since tracking started · 3 openings · below min -0.5% 413.5% 827.5% **Small sample.** 3 openings and 0.1 expected rare hits: below the 100 openings and 5 hits the test needs, so no verdict. ## Windows · the test per window | Window | Openings | Observed | Dev. | Method | | --- | --- | --- | --- | --- | | [24h](https://gambatracker.com/cases/csgobig/303?window=24h) | 0 | — | — | — | | [7d](https://gambatracker.com/cases/csgobig/303?window=7d) | 0 | — | — | — | | [30d](https://gambatracker.com/cases/csgobig/303) | 3 | 198.96% ±628.1 | — | odds | | [All](https://gambatracker.com/cases/csgobig/303?window=all) | 3 | 198.96% ±628.1 | — | odds | 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 3 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 | | --- | --- | --- | --- | --- | --- | --- | | [AK-47 \| Case Hardened - 4x Titan (Factory New) weapon · #D9A859](https://gambatracker.com/items/ak-47-case-hardened-4x-titan-factory-new) | 1 in 2,000 | $240K 240,000 CSGOBIG\_COIN | 9.9% | 0 | 0.0 | — | | [StatTrak™ AK-47 \| Case Hardened (Minimal Wear) - Pattern 661 StatTrak · weapon · #D32CE6](https://gambatracker.com/items/stattrak-ak-47-case-hardened-minimal-wear-pattern-661) | 1 in 714 | $100K 100,000 CSGOBIG\_COIN | 11.6% | 0 | 0.0 | — | | [Sticker \| Titan (Holo) \| Katowice 2014 sticker · legendary](https://gambatracker.com/items/sticker-titan-holo-katowice-2014) | 1 in 333 | $50K 50,000 CSGOBIG\_COIN | 12.4% | 0 | 0.0 | — | | [EMS Katowice 2014 Legends other · base](https://gambatracker.com/items/ems-katowice-2014-legends) | 1 in 164 | $20K 20,000 CSGOBIG\_COIN | 10.1% | 0 | 0.0 | — | | [★ Sport Gloves \| Superconductor (Factory New) gloves · extraordinary](https://gambatracker.com/items/sport-gloves-superconductor-factory-new) | 1 in 100 | $12K 12,000 CSGOBIG\_COIN | 9.9% | 0 | 0.0 | — | | [★ Karambit \| Doppler (Factory New) (Sapphire) knife · covert · Sapphire](https://gambatracker.com/items/karambit-doppler-factory-new-sapphire) | 1 in 34 | $8,000 8,000 CSGOBIG\_COIN | 19.2% | 1 | 0.1 | — | | [★ Bayonet \| Gamma Doppler (Factory New) (Emerald) knife · covert · Emerald](https://gambatracker.com/items/bayonet-gamma-doppler-factory-new-emerald) | 1 in 20 | $4,000 4,000 CSGOBIG\_COIN | 16.6% | 0 | 0.2 | — | | [★ M9 Bayonet \| Night (Factory New) knife · covert](https://gambatracker.com/items/m9-bayonet-night-factory-new) | 1 in 20 | $1,200 1,200 CSGOBIG\_COIN | 5.0% | 0 | 0.2 | — | | [M4A1-S \| Blue Phosphor (Factory New) weapon · classified](https://gambatracker.com/items/m4a1-s-blue-phosphor-factory-new) | 10.0% | $600 600 CSGOBIG\_COIN | 5.0% | 0 | 0.3 | — | | [Sticker \| Baited (Holo) sticker · #8847ff](https://gambatracker.com/items/sticker-baited-holo) | 75.0% | $5.06 5.06 CSGOBIG\_COIN | 0.3% | 2 | 2.3 | 0.89× | 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=303`, 11 Nov, 13:05 UTC. ## Biggest drops · from this case, by value [★ Karambit | Doppler (Factory New) (Sapphire) knife · covert · Sapphire](https://gambatracker.com/items/karambit-doppler-factory-new-sapphire) Hidden $1,342 1,342 CSGOBIG\_COIN $8,000 8,000 CSGOBIG\_COIN 5.96x 2026-11-03 05:59 UTC ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=csgobig&case=303) **No drops yet** No drop from this case seen yet. ## Catalog changes · price, advertised RTP and contents, per capture | Captured | Price | Advertised | Items | | --- | --- | --- | --- | | 3 Nov, 04:27 UTC | $1,342 | 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 #D9A859 0.1% #D32CE6 0.1% legendary 0.3% base 0.6% extraordinary 1.0% covert 12.9% classified 10.0% #8847ff 75.0% best hit $8,000 (5.96x) 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