---
title: "Echo case on CSGOBig: odds, RTP & drops · gambatracker"
description: "Echo ($374.71) on CSGOBig, a CS2 case site: advertised RTP 90.00% from 17 items with odds, observed 31.07% over 7 openings in 30 days."
url: https://gambatracker.com/cases/csgobig/385
rendered: 2026-11-11T13:27Z
---

[Case sites](https://gambatracker.com/case-sites) / [CSGOBig](https://gambatracker.com/case-sites/csgobig) / [Echo](https://gambatracker.com/cases/csgobig/385)

# [CSGOBig](https://gambatracker.com/case-sites/csgobig) · Echo

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/385?window=24h) [7d](https://gambatracker.com/cases/csgobig/385?window=7d) [30d](https://gambatracker.com/cases/csgobig/385) [All](https://gambatracker.com/cases/csgobig/385?window=all)

Price · $374.71 · 375 CSGOBIG\_COIN

Advertised RTP · 90.00% · EV $337.24 from 17 items

Observed RTP, 30d · 31.07% · 7 openings, odds method

Variance · 13.4× · of price², per opening

Tail share · 1 in 33 · of openings carry half the EV

Below price · 84.0% · 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 · 1 openings · below min

7 days · 7 openings · below min

30 days · 7 openings · below min

since tracking started · 7 openings · below min

-0.5% 360.3% 721.0%

**Small sample.** 7 openings and 0.2 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/385?window=24h) | 1 | 2.67% ±717.7 | — | odds |
| [7d](https://gambatracker.com/cases/csgobig/385?window=7d) | 7 | 31.07% ±271.3 | — | odds |
| [30d](https://gambatracker.com/cases/csgobig/385) | 7 | 31.07% ±271.3 | — | odds |
| [All](https://gambatracker.com/cases/csgobig/385?window=all) | 7 | 31.07% ±271.3 | — | odds |

Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method).

## Items, odds and values · 17 items · odds sum to 1 · observed counts over 7 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 |
| --- | --- | --- | --- | --- | --- | --- |
| [EMS Katowice 2014 Challengers other · base](https://gambatracker.com/items/ems-katowice-2014-challengers) | 1 in 1,000 | $24.8K 24,800 CSGOBIG\_COIN | 7.4% | 0 | 0.0 | — |
| [★ Sport Gloves \| Superconductor (Factory New) gloves · extraordinary](https://gambatracker.com/items/sport-gloves-superconductor-factory-new) | 1 in 500 | $15K 15,000 CSGOBIG\_COIN | 8.9% | 0 | 0.0 | — |
| [★ Driver Gloves \| King Snake (Factory New) gloves · legendary](https://gambatracker.com/items/driver-gloves-king-snake-factory-new) | 1 in 333 | $10K 10,000 CSGOBIG\_COIN | 8.9% | 0 | 0.0 | — |
| [★ Karambit \| Doppler (Minimal Wear) (Sapphire) knife · covert · Sapphire](https://gambatracker.com/items/karambit-doppler-minimal-wear-sapphire) | 1 in 200 | $6,300 6,300 CSGOBIG\_COIN | 9.3% | 0 | 0.0 | — |
| [Sticker \| Virtus.Pro (Holo) \| Katowice 2014 sticker · legendary](https://gambatracker.com/items/sticker-virtus-pro-holo-katowice-2014) | 1 in 286 | $5,000 5,000 CSGOBIG\_COIN | 5.2% | 0 | 0.0 | — |
| [★ Flip Knife \| Doppler (Factory New) (Ruby) knife · covert · Ruby](https://gambatracker.com/items/flip-knife-doppler-factory-new-ruby) | 1 in 154 | $3,680 3,680 CSGOBIG\_COIN | 7.1% | 0 | 0.0 | — |
| [Sticker \| 3DMAX (Holo) \| Katowice 2014 sticker · remarkable](https://gambatracker.com/items/sticker-3dmax-holo-katowice-2014) | 1 in 111 | $3,600 3,600 CSGOBIG\_COIN | 9.6% | 0 | 0.1 | — |
| [Sticker \| Ninjas in Pyjamas (Holo) \| Katowice 2014 sticker · remarkable](https://gambatracker.com/items/sticker-ninjas-in-pyjamas-holo-katowice-2014) | 1 in 100 | $2,800 2,800 CSGOBIG\_COIN | 8.3% | 0 | 0.1 | — |
| [★ Talon Knife \| Marble Fade (Factory New) knife · epic](https://gambatracker.com/items/talon-knife-marble-fade-factory-new) | 1 in 22 | $760 760 CSGOBIG\_COIN | 10.1% | 0 | 0.3 | — |
| [★ StatTrak™ Gut Knife \| Doppler (Factory New) (Sapphire) StatTrak · knife · covert · Sapphire](https://gambatracker.com/items/stattrak-gut-knife-doppler-factory-new-sapphire) | 1 in 20 | $650 650 CSGOBIG\_COIN | 9.6% | 1 | 0.4 | — |
| [★ Classic Knife \| Fade (Factory New) knife · covert](https://gambatracker.com/items/classic-knife-fade-factory-new) | 1 in 40 | $600 600 CSGOBIG\_COIN | 4.4% | 0 | 0.2 | — |
| [★ Stiletto Knife \| Crimson Web (Well-Worn) knife · covert](https://gambatracker.com/items/stiletto-knife-crimson-web-well-worn) | 1 in 33 | $300 300 CSGOBIG\_COIN | 2.7% | 0 | 0.2 | — |
| [StatTrak™ M4A1-S \| Player Two (Factory New) StatTrak · weapon · covert](https://gambatracker.com/items/stattrak-m4a1-s-player-two-factory-new) | 1 in 20 | $200 200 CSGOBIG\_COIN | 3.0% | 0 | 0.4 | — |
| [MP9 \| Hot Rod (Minimal Wear) weapon · mil spec](https://gambatracker.com/items/mp9-hot-rod-minimal-wear) | 1 in 13 | $120 120 CSGOBIG\_COIN | 2.8% | 1 | 0.6 | — |
| [AWP \| Wildfire (Well-Worn) weapon · covert](https://gambatracker.com/items/awp-wildfire-well-worn) | 10.0% | $48.00 48 CSGOBIG\_COIN | 1.4% | 0 | 0.7 | — |
| [Five-SeveN \| Angry Mob (Factory New) weapon · covert](https://gambatracker.com/items/five-seven-angry-mob-factory-new) | 23.0% | $10.00 10 CSGOBIG\_COIN | 0.7% | 4 | 1.6 | 2.48× |
| [StatTrak™ Glock-18 \| Moonrise (Factory New) StatTrak · weapon · restricted](https://gambatracker.com/items/stattrak-glock-18-moonrise-factory-new) | 35.0% | $4.90 4.9 CSGOBIG\_COIN | 0.5% | 1 | 2.4 | 0.41× |

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=385`, 11 Nov, 13:05 UTC.

## Biggest drops · from this case, by value

[★ StatTrak™ Gut Knife | Doppler (Factory New) (Sapphire) StatTrak · knife · covert · Sapphire](https://gambatracker.com/items/stattrak-gut-knife-doppler-factory-new-sapphire) Hidden $375 375 CSGOBIG\_COIN $650 650 CSGOBIG\_COIN 1.73x 2026-11-09 16:59 UTC

## Latest drops · newest first

[All Latest drops →](https://gambatracker.com/drops?casino=csgobig&case=385)

[Five-SeveN | Angry Mob (Factory New) weapon · covert](https://gambatracker.com/items/five-seven-angry-mob-factory-new) Hidden $375 375 CSGOBIG\_COIN $10.00 10 CSGOBIG\_COIN 0.03x 2026-11-10 15:59 UTC

[★ StatTrak™ Gut Knife | Doppler (Factory New) (Sapphire) StatTrak · knife · covert · Sapphire](https://gambatracker.com/items/stattrak-gut-knife-doppler-factory-new-sapphire) Hidden $375 375 CSGOBIG\_COIN $650 650 CSGOBIG\_COIN 1.73x 2026-11-09 16:59 UTC

[Five-SeveN | Angry Mob (Factory New) weapon · covert](https://gambatracker.com/items/five-seven-angry-mob-factory-new) Hidden $375 375 CSGOBIG\_COIN $10.00 10 CSGOBIG\_COIN 0.03x 2026-11-09 16:59 UTC

[MP9 | Hot Rod (Minimal Wear) weapon · mil spec](https://gambatracker.com/items/mp9-hot-rod-minimal-wear) Hidden $375 375 CSGOBIG\_COIN $120 120 CSGOBIG\_COIN 0.32x 2026-11-09 16:59 UTC

[StatTrak™ Glock-18 | Moonrise (Factory New) StatTrak · weapon · restricted](https://gambatracker.com/items/stattrak-glock-18-moonrise-factory-new) Hidden $375 375 CSGOBIG\_COIN $4.90 4.9 CSGOBIG\_COIN 0.01x 2026-11-09 16:59 UTC

[Five-SeveN | Angry Mob (Factory New) weapon · covert](https://gambatracker.com/items/five-seven-angry-mob-factory-new) [Default Name](https://gambatracker.com/players/csgobig/Default%20Name) $375 375 CSGOBIG\_COIN $10.00 10 CSGOBIG\_COIN 0.03x 2026-11-09 16:59 UTC

[Five-SeveN | Angry Mob (Factory New) weapon · covert](https://gambatracker.com/items/five-seven-angry-mob-factory-new) Hidden $375 375 CSGOBIG\_COIN $10.00 10 CSGOBIG\_COIN 0.03x 2026-11-09 16:59 UTC

## Catalog changes · price, advertised RTP and contents, per capture

| Captured | Price | Advertised | Items |
| --- | --- | --- | --- |
| 3 Nov, 04:27 UTC | $375 | 90.00% | 17 |

Each opening is tested against the capture in force when it happened; a price or odds change starts a new one.

listed base 0.1% extraordinary 0.2% legendary 0.7% covert 49.6% remarkable 1.9% epic 4.5% mil spec 8.0% restricted 35.0% best hit $650 (1.73x)

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