--- title: "Chroma case on CSGOBig: odds, RTP & drops · gambatracker" description: "Chroma ($7,107.33) on CSGOBig, a CS2 case site: advertised RTP 90.00% from 18 items with odds. Item values at the site’s own prices, biggest and latest drops." url: https://gambatracker.com/cases/csgobig/422 rendered: 2026-11-11T13:36Z --- [Case sites](https://gambatracker.com/case-sites) / [CSGOBig](https://gambatracker.com/case-sites/csgobig) / [Chroma](https://gambatracker.com/cases/csgobig/422) # [CSGOBig](https://gambatracker.com/case-sites/csgobig) · Chroma 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/422?window=24h) [7d](https://gambatracker.com/cases/csgobig/422?window=7d) [30d](https://gambatracker.com/cases/csgobig/422) [All](https://gambatracker.com/cases/csgobig/422?window=all) Price · $7,107.33 · 7,107 CSGOBIG\_COIN Advertised RTP · 90.00% · EV $6,396.60 from 18 items Observed RTP, 30d · — · no counted openings Variance · 0.8× · of price², per opening Tail share · 26.0% · of openings carry half the EV Below price · 68.0% · 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/422?window=24h) | 0 | — | — | — | | [7d](https://gambatracker.com/cases/csgobig/422?window=7d) | 0 | — | — | — | | [30d](https://gambatracker.com/cases/csgobig/422) | 0 | — | — | — | | [All](https://gambatracker.com/cases/csgobig/422?window=all) | 0 | — | — | — | Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method). ## Items, odds and values · 18 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 \| iBUYPOWER (Holo) \| Katowice 2014 sticker · legendary](https://gambatracker.com/items/sticker-ibuypower-holo-katowice-2014) | 1 in 200 | $69.4K 69,420 CSGOBIG\_COIN | 5.4% | 0 | 0.0 | — | | [Souvenir AWP \| Dragon Lore (Field-Tested) Souvenir · weapon · covert](https://gambatracker.com/items/souvenir-awp-dragon-lore-field-tested) | 1 in 200 | $42K 42,000 CSGOBIG\_COIN | 3.3% | 0 | 0.0 | — | | [Sticker \| Team Dignitas (Holo) \| Katowice 2014 sticker · remarkable](https://gambatracker.com/items/sticker-team-dignitas-holo-katowice-2014) | 1 in 100 | $25K 25,000 CSGOBIG\_COIN | 3.9% | 0 | 0.0 | — | | [★ Butterfly Knife \| Gamma Doppler (Factory New) (Emerald) knife · covert · Emerald](https://gambatracker.com/items/butterfly-knife-gamma-doppler-factory-new-emerald) | 1 in 100 | $14.9K 14,900 CSGOBIG\_COIN | 2.3% | 0 | 0.0 | — | | [★ StatTrak™ Butterfly Knife \| Doppler (Factory New) (Black Pearl) StatTrak · knife · covert · Black Pearl](https://gambatracker.com/items/stattrak-butterfly-knife-doppler-factory-new-black-pearl) | 1 in 50 | $13.6K 13,600 CSGOBIG\_COIN | 4.3% | 0 | 0.0 | — | | [StatTrak™ M4A4 \| Howl (Factory New) StatTrak · weapon · contraband](https://gambatracker.com/items/stattrak-m4a4-howl-factory-new) | 1 in 33 | $12.2K 12,200 CSGOBIG\_COIN | 5.7% | 0 | 0.0 | — | | [AWP \| Dragon Lore (Factory New) weapon · covert](https://gambatracker.com/items/awp-dragon-lore-factory-new) | 1 in 33 | $10.7K 10,700 CSGOBIG\_COIN | 5.0% | 0 | 0.0 | — | | [AK-47 \| Wild Lotus (Minimal Wear) weapon · covert](https://gambatracker.com/items/ak-47-wild-lotus-minimal-wear) | 1 in 25 | $9,600 9,600 CSGOBIG\_COIN | 6.0% | 0 | 0.0 | — | | [★ Karambit \| Doppler (Factory New) (Ruby) knife · covert · Ruby](https://gambatracker.com/items/karambit-doppler-factory-new-ruby) | 1 in 20 | $8,750 8,750 CSGOBIG\_COIN | 6.8% | 0 | 0.0 | — | | [★ Karambit \| Gamma Doppler (Minimal Wear) (Emerald) knife · covert · Emerald](https://gambatracker.com/items/karambit-gamma-doppler-minimal-wear-emerald) | 1 in 17 | $7,750 7,750 CSGOBIG\_COIN | 7.3% | 0 | 0.0 | — | | [★ Karambit \| Doppler (Factory New) (Black Pearl) knife · covert · Black Pearl](https://gambatracker.com/items/karambit-doppler-factory-new-black-pearl) | 1 in 17 | $7,200 7,200 CSGOBIG\_COIN | 6.8% | 0 | 0.0 | — | | [★ StatTrak™ M9 Bayonet \| Doppler (Minimal Wear) (Sapphire) StatTrak · knife · covert · Sapphire](https://gambatracker.com/items/stattrak-m9-bayonet-doppler-minimal-wear-sapphire) | 1 in 17 | $6,545 6,545 CSGOBIG\_COIN | 6.1% | 0 | 0.0 | — | | [★ Karambit \| Doppler (Minimal Wear) (Sapphire) knife · covert · Sapphire](https://gambatracker.com/items/karambit-doppler-minimal-wear-sapphire) | 1 in 14 | $5,945 5,945 CSGOBIG\_COIN | 6.5% | 0 | 0.0 | — | | [★ M9 Bayonet \| Crimson Web (Factory New) knife · covert](https://gambatracker.com/items/m9-bayonet-crimson-web-factory-new) | 1 in 13 | $5,200 5,200 CSGOBIG\_COIN | 6.5% | 0 | 0.0 | — | | [AWP \| Medusa (Factory New) weapon · covert](https://gambatracker.com/items/awp-medusa-factory-new) | 1 in 11 | $4,135 4,135 CSGOBIG\_COIN | 5.8% | 0 | 0.0 | — | | [★ Sport Gloves \| Vice (Minimal Wear) gloves · extraordinary](https://gambatracker.com/items/sport-gloves-vice-minimal-wear) | 10.0% | $3,400 3,400 CSGOBIG\_COIN | 5.3% | 0 | 0.0 | — | | [★ Sport Gloves \| Hedge Maze (Well-Worn) gloves · extraordinary](https://gambatracker.com/items/sport-gloves-hedge-maze-well-worn) | 12.0% | $3,150 3,150 CSGOBIG\_COIN | 5.9% | 0 | 0.0 | — | | [★ Stiletto Knife \| Doppler (Factory New) (Ruby) knife · covert · Ruby](https://gambatracker.com/items/stiletto-knife-doppler-factory-new-ruby) | 16.0% | $2,800 2,800 CSGOBIG\_COIN | 7.0% | 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=422`, 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=422) **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 | $7,107 | 90.00% | 18 | Each opening is tested against the capture in force when it happened; a price or odds change starts a new one. listed legendary 0.5% covert 73.5% remarkable 1.0% contraband 3.0% extraordinary 22.0% 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