---
title: "Big Bang case on CSGORoll: odds, RTP & drops · gambatracker"
description: "Big Bang ($7.39) on CSGORoll, a CS2 case site: advertised RTP 90.95% from 15 items with odds, observed 90.49% over 9,003 openings in 30 days."
url: https://gambatracker.com/cases/csgoroll/big-bang
rendered: 2026-11-11T13:44Z
---

[Case sites](https://gambatracker.com/case-sites) / [CSGORoll](https://gambatracker.com/case-sites/csgoroll) / [Big Bang](https://gambatracker.com/cases/csgoroll/big-bang)

# [CSGORoll](https://gambatracker.com/case-sites/csgoroll) · Big Bang

A case on CSGORoll, first seen 2 Nov 2026. Every value is CSGORoll's own item price converted from Roll coins at the rate on the site page.

[24h](https://gambatracker.com/cases/csgoroll/big-bang?window=24h) [7d](https://gambatracker.com/cases/csgoroll/big-bang?window=7d) [30d](https://gambatracker.com/cases/csgoroll/big-bang) [All](https://gambatracker.com/cases/csgoroll/big-bang?window=all)

Price · $7.39 · 10.55 coins

Advertised RTP · 90.95% · EV $6.72 from 15 items

Observed RTP, 30d · 90.49% · 9,003 openings, odds method

Variance · 0.5× · of price², per opening

Tail share · 29.5% · of openings carry half the EV

Below price · 70.5% · 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 · 92.53% ±4.82 809 openings

7 days · 90.90% ±1.59 7,463 openings

30 days · 90.49% ±1.44 9,003 openings

since tracking started · 90.49% ±1.44 9,003 openings

87.0% 92.5% 98.0%

## Windows · the test per window

| Window | Openings | Observed | Dev. | Method |
| --- | --- | --- | --- | --- |
| [24h](https://gambatracker.com/cases/csgoroll/big-bang?window=24h) | 809 | 92.53% ±4.82 | +0.6σ | odds |
| [7d](https://gambatracker.com/cases/csgoroll/big-bang?window=7d) | 7,463 | 90.90% ±1.59 | −0.1σ | odds |
| [30d](https://gambatracker.com/cases/csgoroll/big-bang) | 9,003 | 90.49% ±1.44 | −0.6σ | odds |
| [All](https://gambatracker.com/cases/csgoroll/big-bang?window=all) | 9,003 | 90.49% ±1.44 | −0.6σ | odds |

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

## Items, odds and values · 15 items · odds sum to 1 · observed counts over 9,017 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 |
| --- | --- | --- | --- | --- | --- | --- |
| [Souvenir Five-SeveN \| Fall Hazard (Well-Worn) Souvenir · weapon · classified](https://gambatracker.com/items/souvenir-five-seven-fall-hazard-well-worn) | 1 in 1,111 | $75.60 108 coins | 1.0% | 9 | 8.1 | 1.11× |
| [Galil AR \| Sugar Rush (Battle-Scarred) weapon · classified](https://gambatracker.com/items/galil-ar-sugar-rush-battle-scarred) | 1 in 4,000 | $42.21 60.3 coins | 0.2% | 3 | 2.3 | 1.33× |
| [Sticker \| SK Gaming (Holo) \| Cologne 2016 sticker · remarkable](https://gambatracker.com/items/sticker-sk-gaming-holo-cologne-2016) | 1 in 2,000 | $39.01 55.73 coins | 0.3% | 4 | 4.5 | 0.89× |
| [Glock-18 \| Fully Tuned (Battle-Scarred) weapon · rare](https://gambatracker.com/items/glock-18-fully-tuned-battle-scarred) | 1 in 2,222 | $38.78 55.4 coins | 0.3% | 4 | 4.1 | 0.99× |
| [StatTrak™ MP9 \| Mount Fuji (Minimal Wear) StatTrak · weapon · restricted](https://gambatracker.com/items/stattrak-mp9-mount-fuji-minimal-wear) | 1 in 19 | $15.67 22.39 coins | 12.1% | 481 | 468.9 | 1.03× |
| [FAMAS \| Afterimage (Minimal Wear) weapon · classified](https://gambatracker.com/items/famas-afterimage-minimal-wear) | 1 in 100 | $15.62 22.31 coins | 2.3% | 75 | 90.2 | 0.83× |
| [Sticker \| Team EnVyUs (Holo) \| Cologne 2016 sticker · remarkable](https://gambatracker.com/items/sticker-team-envyus-holo-cologne-2016) | 1 in 33 | $15.06 21.52 coins | 6.7% | 284 | 270.5 | 1.05× |
| [MAG-7 \| Justice (Factory New) weapon · classified](https://gambatracker.com/items/mag-7-justice-factory-new) | 1 in 1,111 | $14.16 20.23 coins | 0.2% | 5 | 8.1 | 0.62× |
| [StatTrak™ M4A1-S \| Liquidation (Minimal Wear) StatTrak · weapon · uncommon](https://gambatracker.com/items/stattrak-m4a1-s-liquidation-minimal-wear) | 10.0% | $12.21 17.45 coins | 18.2% | 914 | 901.7 | 1.01× |
| [M4A4 \| Desolate Space (Well-Worn) weapon · classified](https://gambatracker.com/items/m4a4-desolate-space-well-worn) | 10.0% | $11.94 17.05 coins | 17.8% | 902 | 901.7 | 1.00× |
| [StatTrak™ P250 \| Epicenter (Field-Tested) StatTrak · weapon · uncommon](https://gambatracker.com/items/stattrak-p250-epicenter-field-tested) | 13.0% | $7.14 10.2 coins | 13.8% | 1,107 | 1172.2 | 0.94× |
| [Sticker \| Eternal Fire (Holo) \| Antwerp 2022 sticker · exotic](https://gambatracker.com/items/sticker-eternal-fire-holo-antwerp-2022) | 11.0% | $4.97 7.1 coins | 8.1% | 950 | 991.9 | 0.96× |
| [MP7 \| Smoking Kills (Well-Worn) weapon · uncommon](https://gambatracker.com/items/mp7-smoking-kills-well-worn) | 15.0% | $4.22 6.03 coins | 9.4% | 1,313 | 1352.5 | 0.97× |
| [Sticker \| OG (Holo) \| Austin 2025 sticker · uncommon](https://gambatracker.com/items/sticker-og-holo-austin-2025) | 15.0% | $2.32 3.32 coins | 5.2% | 1,455 | 1352.5 | 1.08× |
| [StatTrak™ Desert Eagle \| Firebreathing (Well-Worn) StatTrak · weapon · uncommon](https://gambatracker.com/items/stattrak-desert-eagle-firebreathing-well-worn) | 16.5% | $1.78 2.54 coins | 4.4% | 1,511 | 1487.8 | 1.02× |

Values are CSGORoll'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 `csgoroll:graphql boxes.slots.rate`, 11 Nov, 08:26 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=csgoroll&case=big-bang)

[StatTrak™ P250 | Epicenter (Field-Tested) StatTrak · weapon · uncommon](https://gambatracker.com/items/stattrak-p250-epicenter-field-tested) [Eminescu](https://gambatracker.com/players/csgoroll/Eminescu) $7.39 10.55 coins $7.14 10.2 coins 0.97x 2026-11-11 13:43 UTC

[MP7 | Smoking Kills (Well-Worn) weapon · uncommon](https://gambatracker.com/items/mp7-smoking-kills-well-worn) Hidden $7.39 10.55 coins $4.22 6.03 coins 0.57x 2026-11-11 13:40 UTC

[Sticker | Team EnVyUs (Holo) | Cologne 2016 sticker · remarkable](https://gambatracker.com/items/sticker-team-envyus-holo-cologne-2016) Hidden $7.39 10.55 coins $15.06 21.52 coins 2.04x 2026-11-11 13:40 UTC

[Sticker | OG (Holo) | Austin 2025 sticker · uncommon](https://gambatracker.com/items/sticker-og-holo-austin-2025) [Eminescu](https://gambatracker.com/players/csgoroll/Eminescu) $7.39 10.55 coins $2.32 3.32 coins 0.31x 2026-11-11 13:35 UTC

[StatTrak™ P250 | Epicenter (Field-Tested) StatTrak · weapon · uncommon](https://gambatracker.com/items/stattrak-p250-epicenter-field-tested) Hidden $7.39 10.55 coins $7.14 10.2 coins 0.97x 2026-11-11 13:35 UTC

[StatTrak™ Desert Eagle | Firebreathing (Well-Worn) StatTrak · weapon · uncommon](https://gambatracker.com/items/stattrak-desert-eagle-firebreathing-well-worn) Hidden $7.39 10.55 coins $1.78 2.54 coins 0.24x 2026-11-11 13:23 UTC

[StatTrak™ MP9 | Mount Fuji (Minimal Wear) StatTrak · weapon · restricted](https://gambatracker.com/items/stattrak-mp9-mount-fuji-minimal-wear) [wSe](https://gambatracker.com/players/csgoroll/wSe) $7.39 10.55 coins $15.67 22.39 coins 2.12x 2026-11-11 13:23 UTC

[MP7 | Smoking Kills (Well-Worn) weapon · uncommon](https://gambatracker.com/items/mp7-smoking-kills-well-worn) Hidden $7.39 10.55 coins $4.22 6.03 coins 0.57x 2026-11-11 13:22 UTC

[StatTrak™ Desert Eagle | Firebreathing (Well-Worn) StatTrak · weapon · uncommon](https://gambatracker.com/items/stattrak-desert-eagle-firebreathing-well-worn) [Rusty Cake](https://gambatracker.com/players/csgoroll/Rusty%20Cake) $7.39 10.55 coins $1.78 2.54 coins 0.24x 2026-11-11 13:22 UTC

[FAMAS | Afterimage (Minimal Wear) weapon · classified](https://gambatracker.com/items/famas-afterimage-minimal-wear) Hidden $7.39 10.55 coins $15.62 22.31 coins 2.11x 2026-11-11 13:22 UTC

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

| Captured | Price | Advertised | Items |
| --- | --- | --- | --- |
| 8 Nov, 23:33 UTC | $7.39 | 90.95% | 15 |
| 2 Nov, 21:39 UTC | $7.47 | 90.89% | 15 |

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

listed classified 11.2% remarkable 3.0% rare 0.0% restricted 5.2% uncommon 69.5% exotic 11.0% best hit —

18+

**Case opening is gambling with skins as the currency.** At 90.9% RTP, every $100 put into cases returns $90.95 on average: an expected loss of $9.05 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