--- title: "10% Karambit case on CSGOBig: odds, RTP & drops" description: "10% Karambit ($153.00) on CSGOBig, a CS2 case site: advertised RTP 90.00% from 11 items with odds, observed 160.22% over 55 openings in 30 days." url: https://gambatracker.com/cases/csgobig/290 rendered: 2026-11-11T13:03Z --- [Case sites](https://gambatracker.com/case-sites) / [CSGOBig](https://gambatracker.com/case-sites/csgobig) / [10% Karambit](https://gambatracker.com/cases/csgobig/290) # [CSGOBig](https://gambatracker.com/case-sites/csgobig) · 10% Karambit 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/290?window=24h) [7d](https://gambatracker.com/cases/csgobig/290?window=7d) [30d](https://gambatracker.com/cases/csgobig/290) [All](https://gambatracker.com/cases/csgobig/290?window=all) Price · $153.00 · 153 CSGOBIG\_COIN Advertised RTP · 90.00% · EV $137.70 from 11 items Observed RTP, 30d · 160.22% · 55 openings, odds method Variance · 17.8× · of price², per opening Tail share · 1 in 40 · 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 24 hours · 6 openings · below min 7 days · 47 openings · below min 30 days · 55 openings · below min since tracking started · 55 openings · below min -0.5% 201.8% 404.0% **Small sample.** 55 openings and 1.4 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/290?window=24h) | 6 | 65.36% ±337.8 | — | odds | | [7d](https://gambatracker.com/cases/csgobig/290?window=7d) | 47 | 44.26% ±120.7 | — | odds | | [30d](https://gambatracker.com/cases/csgobig/290) | 55 | 160.22% ±111.6 | — | odds | | [All](https://gambatracker.com/cases/csgobig/290?window=all) | 55 | 160.22% ±111.6 | — | odds | 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 55 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 | | --- | --- | --- | --- | --- | --- | --- | | [★ Karambit \| Gamma Doppler (Factory New) (Emerald) knife · covert · Emerald](https://gambatracker.com/items/karambit-gamma-doppler-factory-new-emerald) | 1 in 1,000 | $9,300 9,300 CSGOBIG\_COIN | 6.8% | 1 | 0.1 | — | | [★ StatTrak™ Karambit \| Doppler (Factory New) (Sapphire) StatTrak · knife · covert · Sapphire](https://gambatracker.com/items/stattrak-karambit-doppler-factory-new-sapphire) | 1 in 500 | $7,300 7,300 CSGOBIG\_COIN | 10.6% | 0 | 0.1 | — | | [★ Karambit \| Doppler (Minimal Wear) (Ruby) knife · covert · Ruby](https://gambatracker.com/items/karambit-doppler-minimal-wear-ruby) | 1 in 333 | $5,700 5,700 CSGOBIG\_COIN | 12.4% | 0 | 0.2 | — | | [★ Karambit \| Crimson Web (Factory New) knife · covert](https://gambatracker.com/items/karambit-crimson-web-factory-new) | 1 in 250 | $3,400 3,400 CSGOBIG\_COIN | 9.9% | 0 | 0.2 | — | | [★ Karambit \| Fade (Factory New) knife · covert](https://gambatracker.com/items/karambit-fade-factory-new) | 1 in 200 | $2,200 2,200 CSGOBIG\_COIN | 8.0% | 0 | 0.3 | — | | [★ Karambit \| Gamma Doppler (Factory New) (Phase 4) knife · covert · Phase 4](https://gambatracker.com/items/karambit-gamma-doppler-factory-new-phase-4) | 1 in 100 | $1,600 1,600 CSGOBIG\_COIN | 11.6% | 0 | 0.6 | — | | [★ Karambit \| Marble Fade (Factory New) knife · covert](https://gambatracker.com/items/karambit-marble-fade-factory-new) | 1 in 67 | $1,200 1,200 CSGOBIG\_COIN | 13.1% | 1 | 0.8 | — | | [★ Karambit \| Tiger Tooth (Factory New) knife · covert](https://gambatracker.com/items/karambit-tiger-tooth-factory-new) | 1 in 57 | $1,000 1,000 CSGOBIG\_COIN | 12.7% | 2 | 1.0 | — | | [★ Karambit \| Freehand (Factory New) knife · covert](https://gambatracker.com/items/karambit-freehand-factory-new) | 1 in 50 | $600 600 CSGOBIG\_COIN | 8.7% | 1 | 1.1 | 0.91× | | [★ Karambit \| Safari Mesh (Field-Tested) knife · covert](https://gambatracker.com/items/karambit-safari-mesh-field-tested) | 1 in 44 | $382 382 CSGOBIG\_COIN | 6.2% | 1 | 1.2 | 0.81× | | [Sealed Graffiti \| Karambit (Shark White) graffiti · Common](https://gambatracker.com/items/sealed-graffiti-karambit-shark-white) | 90.0% | $0.01 0.01 CSGOBIG\_COIN | 0.0% | 49 | 49.5 | 0.99× | 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=290`, 11 Nov, 06:29 UTC. ## Biggest drops · from this case, by value [★ Karambit | Gamma Doppler (Factory New) (Emerald) knife · covert · Emerald](https://gambatracker.com/items/karambit-gamma-doppler-factory-new-emerald) Hidden $153 153 CSGOBIG\_COIN $9,300 9,300 CSGOBIG\_COIN 60.78x 2026-11-04 13:09 UTC [★ Karambit | Marble Fade (Factory New) knife · covert](https://gambatracker.com/items/karambit-marble-fade-factory-new) Hidden $153 153 CSGOBIG\_COIN $1,200 1,200 CSGOBIG\_COIN 7.84x 2026-11-08 11:49 UTC [★ Karambit | Tiger Tooth (Factory New) knife · covert](https://gambatracker.com/items/karambit-tiger-tooth-factory-new) Hidden $153 153 CSGOBIG\_COIN $1,000 1,000 CSGOBIG\_COIN 6.54x 2026-11-08 11:49 UTC [★ Karambit | Tiger Tooth (Factory New) knife · covert](https://gambatracker.com/items/karambit-tiger-tooth-factory-new) Hidden $153 153 CSGOBIG\_COIN $1,000 1,000 CSGOBIG\_COIN 6.54x 2026-11-03 21:29 UTC [★ Karambit | Freehand (Factory New) knife · covert](https://gambatracker.com/items/karambit-freehand-factory-new) Hidden $153 153 CSGOBIG\_COIN $600 600 CSGOBIG\_COIN 3.92x 2026-11-11 12:29 UTC ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=csgobig&case=290) [Sealed Graffiti | Karambit (Shark White) graffiti · Common](https://gambatracker.com/items/sealed-graffiti-karambit-shark-white) Hidden $153 153 CSGOBIG\_COIN $0.01 0.01 CSGOBIG\_COIN 0.00x 2026-11-11 12:29 UTC [Sealed Graffiti | Karambit (Shark White) graffiti · Common](https://gambatracker.com/items/sealed-graffiti-karambit-shark-white) Hidden $153 153 CSGOBIG\_COIN $0.01 0.01 CSGOBIG\_COIN 0.00x 2026-11-11 12:29 UTC [★ Karambit | Freehand (Factory New) knife · covert](https://gambatracker.com/items/karambit-freehand-factory-new) Hidden $153 153 CSGOBIG\_COIN $600 600 CSGOBIG\_COIN 3.92x 2026-11-11 12:29 UTC [Sealed Graffiti | Karambit (Shark White) graffiti · Common](https://gambatracker.com/items/sealed-graffiti-karambit-shark-white) Hidden $153 153 CSGOBIG\_COIN $0.01 0.01 CSGOBIG\_COIN 0.00x 2026-11-11 06:09 UTC [Sealed Graffiti | Karambit (Shark White) graffiti · Common](https://gambatracker.com/items/sealed-graffiti-karambit-shark-white) Hidden $153 153 CSGOBIG\_COIN $0.01 0.01 CSGOBIG\_COIN 0.00x 2026-11-11 06:09 UTC [Sealed Graffiti | Karambit (Shark White) graffiti · Common](https://gambatracker.com/items/sealed-graffiti-karambit-shark-white) Hidden $153 153 CSGOBIG\_COIN $0.01 0.01 CSGOBIG\_COIN 0.00x 2026-11-11 06:09 UTC [Sealed Graffiti | Karambit (Shark White) graffiti · Common](https://gambatracker.com/items/sealed-graffiti-karambit-shark-white) Hidden $153 153 CSGOBIG\_COIN $0.01 0.01 CSGOBIG\_COIN 0.00x 2026-11-10 00:19 UTC [Sealed Graffiti | Karambit (Shark White) graffiti · Common](https://gambatracker.com/items/sealed-graffiti-karambit-shark-white) Hidden $153 153 CSGOBIG\_COIN $0.01 0.01 CSGOBIG\_COIN 0.00x 2026-11-10 00:19 UTC [Sealed Graffiti | Karambit (Shark White) graffiti · Common](https://gambatracker.com/items/sealed-graffiti-karambit-shark-white) Hidden $153 153 CSGOBIG\_COIN $0.01 0.01 CSGOBIG\_COIN 0.00x 2026-11-10 00:19 UTC [Sealed Graffiti | Karambit (Shark White) graffiti · Common](https://gambatracker.com/items/sealed-graffiti-karambit-shark-white) Hidden $153 153 CSGOBIG\_COIN $0.01 0.01 CSGOBIG\_COIN 0.00x 2026-11-09 10:20 UTC ## Catalog changes · price, advertised RTP and contents, per capture | Captured | Price | Advertised | Items | | --- | --- | --- | --- | | 3 Nov, 04:27 UTC | $153 | 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 covert 10.0% Common 90.0% best hit $9,300 (60.78x) 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