---
title: "Green Frog case on CSGOBig: odds, RTP & drops · gambatracker"
description: "Green Frog ($277.62) on CSGOBig, a CS2 case site: advertised RTP 90.00% from 7 items with odds. Item values at the site’s own prices, biggest and latest drops."
url: https://gambatracker.com/cases/csgobig/1115
rendered: 2026-11-11T13:25Z
---

[Case sites](https://gambatracker.com/case-sites) / [CSGOBig](https://gambatracker.com/case-sites/csgobig) / [Green Frog](https://gambatracker.com/cases/csgobig/1115)

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

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/1115?window=24h) [7d](https://gambatracker.com/cases/csgobig/1115?window=7d) [30d](https://gambatracker.com/cases/csgobig/1115) [All](https://gambatracker.com/cases/csgobig/1115?window=all)

Price · $277.62 · 278 CSGOBIG\_COIN

Advertised RTP · 90.00% · EV $249.85 from 7 items

Observed RTP, 30d · — · no counted openings

Variance · 17.8× · of price², per opening

Tail share · 34.0% · of openings carry half the EV

Below price · 99.0% · 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/1115?window=24h) | 0 | — | — | — |
| [7d](https://gambatracker.com/cases/csgobig/1115?window=7d) | 0 | — | — | — |
| [30d](https://gambatracker.com/cases/csgobig/1115) | 0 | — | — | — |
| [All](https://gambatracker.com/cases/csgobig/1115?window=all) | 0 | — | — | — |

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

## Items, odds and values · 7 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 |
| --- | --- | --- | --- | --- | --- | --- |
| [★ Butterfly Knife \| Gamma Doppler (Factory New) (Emerald) knife · covert · Emerald](https://gambatracker.com/items/butterfly-knife-gamma-doppler-factory-new-emerald) | 1 in 333 | $20K 20,000 CSGOBIG\_COIN | 24.0% | 0 | 0.0 | — |
| [★ Karambit \| Gamma Doppler (Factory New) (Emerald) knife · covert · Emerald](https://gambatracker.com/items/karambit-gamma-doppler-factory-new-emerald) | 1 in 333 | $6,800 6,800 CSGOBIG\_COIN | 8.2% | 0 | 0.0 | — |
| [★ Bayonet \| Gamma Doppler (Factory New) (Emerald) knife · covert · Emerald](https://gambatracker.com/items/bayonet-gamma-doppler-factory-new-emerald) | 1 in 250 | $4,000 4,000 CSGOBIG\_COIN | 6.4% | 0 | 0.0 | — |
| [StatTrak™ M4A4 \| Hellfire (Factory New) StatTrak · weapon · classified](https://gambatracker.com/items/stattrak-m4a4-hellfire-factory-new) | 33.0% | $250 250 CSGOBIG\_COIN | 33.0% | 0 | 0.0 | — |
| [Glock-18 \| Gamma Doppler (Field-Tested) (Emerald) weapon · red · Emerald](https://gambatracker.com/items/glock-18-gamma-doppler-field-tested-emerald) | 33.0% | $200 200 CSGOBIG\_COIN | 26.4% | 0 | 0.0 | — |
| [Glock-18 \| Water Elemental (Factory New) weapon · classified](https://gambatracker.com/items/glock-18-water-elemental-factory-new) | 33.0% | $15.00 15 CSGOBIG\_COIN | 2.0% | 0 | 0.0 | — |
| [PP-Bizon Sand Dashed (Battle-Scarred) other · #B0C3D9](https://gambatracker.com/items/pp-bizon-sand-dashed-battle-scarred-2) | 1 in 10,000 | $0.01 0.01 CSGOBIG\_COIN | 0.0% | 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=1115`, 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=1115)

**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 | $278 | 90.00% | 7 |

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

listed covert 1.0% classified 66.0% red 33.0% #B0C3D9 0.0%

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.

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