---
title: "Fer case on CSGOBig: odds, RTP & drops · gambatracker"
description: "Fer ($111.00) on CSGOBig, a CS2 case site: advertised RTP 88.95% from 10 items with odds, observed 23.51% over 47 openings in 30 days."
url: https://gambatracker.com/cases/csgobig/10065
rendered: 2026-11-11T13:21Z
---

[Case sites](https://gambatracker.com/case-sites) / [CSGOBig](https://gambatracker.com/case-sites/csgobig) / [Fer](https://gambatracker.com/cases/csgobig/10065)

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

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/10065?window=24h) [7d](https://gambatracker.com/cases/csgobig/10065?window=7d) [30d](https://gambatracker.com/cases/csgobig/10065) [All](https://gambatracker.com/cases/csgobig/10065?window=all)

Price · $111.00 · 111 CSGOBIG\_COIN

Advertised RTP · 88.95% · EV $98.74 from 10 items

Observed RTP, 30d · 23.51% · 47 openings, odds method

Variance · 30.2× · of price², per opening

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

Below price · 80.0% · 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

7 days · 30 openings · below min

30 days · 47 openings · below min

since tracking started · 47 openings · below min

-0.5% 105.8% 212.0%

**Small sample.** 47 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/10065?window=24h) | 0 | — | — | — |
| [7d](https://gambatracker.com/cases/csgobig/10065?window=7d) | 30 | 14.41% ±196.7 | — | odds |
| [30d](https://gambatracker.com/cases/csgobig/10065) | 47 | 23.51% ±157.2 | — | odds |
| [All](https://gambatracker.com/cases/csgobig/10065?window=all) | 47 | 23.51% ±157.2 | — | 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 47 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 |
| --- | --- | --- | --- | --- | --- | --- |
| [★ Butterfly Knife \| Doppler (Factory New) (Sapphire) knife · covert · Sapphire](https://gambatracker.com/items/butterfly-knife-doppler-factory-new-sapphire) | 1 in 800 | $13.4K 13,391 CSGOBIG\_COIN | 17.0% | 0 | 0.1 | — |
| [★ M9 Bayonet \| Doppler (Factory New) (Sapphire) knife · covert · Sapphire](https://gambatracker.com/items/m9-bayonet-doppler-factory-new-sapphire) | 1 in 800 | $10K 10,045 CSGOBIG\_COIN | 12.7% | 0 | 0.1 | — |
| [M4A1-S \| Blue Phosphor (Factory New) weapon · classified](https://gambatracker.com/items/m4a1-s-blue-phosphor-factory-new) | 1 in 133 | $893 893 CSGOBIG\_COIN | 6.8% | 0 | 0.4 | — |
| [StatTrak™ AK-47 \| Case Hardened (Factory New) StatTrak · weapon · classified](https://gambatracker.com/items/stattrak-ak-47-case-hardened-factory-new) | 1 in 50 | $797 797 CSGOBIG\_COIN | 16.1% | 0 | 0.9 | — |
| [★ Hand Wraps \| Cobalt Skulls (Field-Tested) gloves · extraordinary](https://gambatracker.com/items/hand-wraps-cobalt-skulls-field-tested) | 1 in 33 | $440 440 CSGOBIG\_COIN | 13.4% | 1 | 1.4 | 0.71× |
| [M4A1-S \| Printstream (Factory New) weapon · covert](https://gambatracker.com/items/m4a1-s-printstream-factory-new) | 1 in 25 | $383 383 CSGOBIG\_COIN | 15.5% | 0 | 1.9 | 0.00× |
| [Souvenir CZ75-Auto \| Chalice (Factory New) Souvenir · weapon · restricted](https://gambatracker.com/items/souvenir-cz75-auto-chalice-factory-new) | 10.0% | $112 112 CSGOBIG\_COIN | 11.3% | 3 | 4.7 | 0.64× |
| [Desert Eagle \| Printstream (Field-Tested) weapon · Ancient](https://gambatracker.com/items/desert-eagle-printstream-field-tested) | 25.0% | $27.07 27.07 CSGOBIG\_COIN | 6.9% | 16 | 11.8 | 1.36× |
| [Sticker \| fer \| Krakow 2017 sticker · #4B69FF](https://gambatracker.com/items/sticker-fer-krakow-2017) | 30.0% | $1.19 1.19 CSGOBIG\_COIN | 0.4% | 16 | 14.1 | 1.13× |
| [PP-Bizon Sand Dashed (Battle-Scarred) other · #B0C3D9](https://gambatracker.com/items/pp-bizon-sand-dashed-battle-scarred-2) | 25.0% | $0.01 0.01 CSGOBIG\_COIN | 0.0% | 11 | 11.8 | 0.94× |

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=10065`, 11 Nov, 06:29 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=10065)

[Desert Eagle | Printstream (Field-Tested) weapon · Ancient](https://gambatracker.com/items/desert-eagle-printstream-field-tested) [Leitao](https://gambatracker.com/players/csgobig/Leitao) $111 111 CSGOBIG\_COIN $27.07 27.07 CSGOBIG\_COIN 0.24x 2026-11-09 14:09 UTC

[PP-Bizon Sand Dashed (Battle-Scarred) other · #B0C3D9](https://gambatracker.com/items/pp-bizon-sand-dashed-battle-scarred-2) [Leitao](https://gambatracker.com/players/csgobig/Leitao) $111 111 CSGOBIG\_COIN $0.01 0.01 CSGOBIG\_COIN 0.00x 2026-11-09 14:09 UTC

[Desert Eagle | Printstream (Field-Tested) weapon · Ancient](https://gambatracker.com/items/desert-eagle-printstream-field-tested) Hidden $111 111 CSGOBIG\_COIN $27.07 27.07 CSGOBIG\_COIN 0.24x 2026-11-09 14:09 UTC

[Sticker | fer | Krakow 2017 sticker · #4B69FF](https://gambatracker.com/items/sticker-fer-krakow-2017) Hidden $111 111 CSGOBIG\_COIN $1.19 1.19 CSGOBIG\_COIN 0.01x 2026-11-09 14:09 UTC

[PP-Bizon Sand Dashed (Battle-Scarred) other · #B0C3D9](https://gambatracker.com/items/pp-bizon-sand-dashed-battle-scarred-2) Hidden $111 111 CSGOBIG\_COIN $0.01 0.01 CSGOBIG\_COIN 0.00x 2026-11-09 14:09 UTC

[Desert Eagle | Printstream (Field-Tested) weapon · Ancient](https://gambatracker.com/items/desert-eagle-printstream-field-tested) Hidden $111 111 CSGOBIG\_COIN $27.07 27.07 CSGOBIG\_COIN 0.24x 2026-11-09 14:09 UTC

[Desert Eagle | Printstream (Field-Tested) weapon · Ancient](https://gambatracker.com/items/desert-eagle-printstream-field-tested) Hidden $111 111 CSGOBIG\_COIN $27.07 27.07 CSGOBIG\_COIN 0.24x 2026-11-09 00:50 UTC

[Desert Eagle | Printstream (Field-Tested) weapon · Ancient](https://gambatracker.com/items/desert-eagle-printstream-field-tested) Hidden $111 111 CSGOBIG\_COIN $27.07 27.07 CSGOBIG\_COIN 0.24x 2026-11-09 00:50 UTC

[Sticker | fer | Krakow 2017 sticker · #4B69FF](https://gambatracker.com/items/sticker-fer-krakow-2017) Hidden $111 111 CSGOBIG\_COIN $1.19 1.19 CSGOBIG\_COIN 0.01x 2026-11-09 00:50 UTC

[PP-Bizon Sand Dashed (Battle-Scarred) other · #B0C3D9](https://gambatracker.com/items/pp-bizon-sand-dashed-battle-scarred-2) Hidden $111 111 CSGOBIG\_COIN $0.01 0.01 CSGOBIG\_COIN 0.00x 2026-11-09 00:50 UTC

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

| Captured | Price | Advertised | Items |
| --- | --- | --- | --- |
| 3 Nov, 04:27 UTC | $111 | 88.95% | 10 |

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

listed covert 4.3% classified 2.8% extraordinary 3.0% restricted 10.0% Ancient 25.0% #4B69FF 30.0% #B0C3D9 25.0% best hit —

18+

**Case opening is gambling with skins as the currency.** At 89.0% RTP, every $100 put into cases returns $88.95 on average: an expected loss of $11.05 per $100, before any one lucky or unlucky opening. A big drop here says nothing about the next one.

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How these figures are produced and labelled: https://gambatracker.com/llms.txt
