---
title: "Astronomical Anomaly case on 500 Casino: odds, RTP & drops"
description: "Astronomical Anomaly ($257.02) on 500 Casino, a CS2 case site: advertised RTP 90.00% from 7 items with odds. Independent and free, no sign-up."
url: https://gambatracker.com/cases/500-casino/6617ee4702ecb2b8af8a9e63
rendered: 2026-11-12T08:02Z
---

[Case sites](https://gambatracker.com/case-sites) / [500 Casino](https://gambatracker.com/case-sites/500-casino) / [Astronomical Anomaly](https://gambatracker.com/cases/500-casino/6617ee4702ecb2b8af8a9e63)

# [500 Casino](https://gambatracker.com/case-sites/500-casino) · Astronomical Anomaly

A case on 500 Casino (500), first seen 2 Nov 2026. Every value is 500 Casino's own item price converted from BUX at the rate on the site page.

[24h](https://gambatracker.com/cases/500-casino/6617ee4702ecb2b8af8a9e63?window=24h) [7d](https://gambatracker.com/cases/500-casino/6617ee4702ecb2b8af8a9e63?window=7d) [30d](https://gambatracker.com/cases/500-casino/6617ee4702ecb2b8af8a9e63) [All](https://gambatracker.com/cases/500-casino/6617ee4702ecb2b8af8a9e63?window=all)

Price · $257.02 · 428,198 BUX

Advertised RTP · 90.00% · EV $231.32 from 7 items

Observed RTP, 30d · — · no counted openings

Variance · 3.5× · of price², per opening

Tail share · 20.0% · 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

**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/500-casino/6617ee4702ecb2b8af8a9e63?window=24h) | 0 | — | — | — |
| [7d](https://gambatracker.com/cases/500-casino/6617ee4702ecb2b8af8a9e63?window=7d) | 0 | — | — | — |
| [30d](https://gambatracker.com/cases/500-casino/6617ee4702ecb2b8af8a9e63) | 0 | — | — | — |
| [All](https://gambatracker.com/cases/500-casino/6617ee4702ecb2b8af8a9e63?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 |
| --- | --- | --- | --- | --- | --- | --- |
| [Precious Stones of Amethyst (Gemstone) other · Covert](https://gambatracker.com/items/precious-stones-of-amethyst-gemstone) | 1 in 1,000 | $10.8K 17,930,500 BUX | 4.7% | 0 | 0.0 | — |
| [Crystal From An Alien Planet (Lithium) other · Special](https://gambatracker.com/items/crystal-from-an-alien-planet-lithium) | 1 in 500 | $5,000 8,330,000 BUX | 4.3% | 0 | 0.0 | — |
| [Rock Of Moonstone (Silica Mineral) other · Covert](https://gambatracker.com/items/rock-of-moonstone-silica-mineral) | 1 in 59 | $1,480 2,466,000 BUX | 10.9% | 0 | 0.0 | — |
| [Prism (Adamantium) other · Covert](https://gambatracker.com/items/prism-adamantium) | 1 in 33 | $720 1,200,000 BUX | 9.3% | 0 | 0.0 | — |
| [Pegasus Prism (Pearl) other · Covert](https://gambatracker.com/items/pegasus-prism-pearl) | 1 in 29 | $700 1,166,200 BUX | 10.6% | 0 | 0.0 | — |
| [Prism (Platinum) other · Classified](https://gambatracker.com/items/prism-platinum) | 11.5% | $599 997,934 BUX | 29.8% | 0 | 0.0 | — |
| [A Geologist's Rejected Diamond (Diamond) other · Restricted](https://gambatracker.com/items/a-geologists-rejected-diamond-diamond) | 80.0% | $88.00 146,608 BUX | 30.4% | 0 | 0.0 | — |

Values are 500 Casino'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 `500-casino:cases/list`, 12 Nov, 04:37 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=500-casino&case=6617ee4702ecb2b8af8a9e63)

**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 |
| --- | --- | --- | --- |
| 2 Nov, 21:38 UTC | $257 | 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 8.3% Special 0.2% Classified 11.5% Restricted 80.0%

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