--- title: "Auror's Archive case on CSGOBig: odds, RTP & drops" description: "Auror's Archive ($740.00) on CSGOBig, a CS2 case site: advertised RTP 90.00% from 15 items with odds. Independent and free, no sign-up." url: https://gambatracker.com/cases/csgobig/181 rendered: 2026-11-11T13:35Z --- [Case sites](https://gambatracker.com/case-sites) / [CSGOBig](https://gambatracker.com/case-sites/csgobig) / [Auror's Archive](https://gambatracker.com/cases/csgobig/181) # [CSGOBig](https://gambatracker.com/case-sites/csgobig) · Auror's Archive 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/181?window=24h) [7d](https://gambatracker.com/cases/csgobig/181?window=7d) [30d](https://gambatracker.com/cases/csgobig/181) [All](https://gambatracker.com/cases/csgobig/181?window=all) Price · $740.00 · 740 CSGOBIG\_COIN Advertised RTP · 90.00% · EV $666.00 from 15 items Observed RTP, 30d · — · no counted openings Variance · 16.6× · of price², per opening Tail share · 1 in 25 · of openings carry half the EV Below price · 90.0% · 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/181?window=24h) | 0 | — | — | — | | [7d](https://gambatracker.com/cases/csgobig/181?window=7d) | 0 | — | — | — | | [30d](https://gambatracker.com/cases/csgobig/181) | 0 | — | — | — | | [All](https://gambatracker.com/cases/csgobig/181?window=all) | 0 | — | — | — | 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 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 | | --- | --- | --- | --- | --- | --- | --- | | [★ Sport Gloves \| Pandora's Box (Factory New) gloves · legendary](https://gambatracker.com/items/sport-gloves-pandoras-box-factory-new) | 1 in 400 | $54.9K 54,946 CSGOBIG\_COIN | 20.6% | 0 | 0.0 | — | | [AWP \| Dragon Lore (Factory New) weapon · covert](https://gambatracker.com/items/awp-dragon-lore-factory-new) | 1 in 200 | $12.4K 12,362 CSGOBIG\_COIN | 9.3% | 0 | 0.0 | — | | [AWP \| Gungnir (Factory New) weapon · covert](https://gambatracker.com/items/awp-gungnir-factory-new) | 1 in 200 | $12.2K 12,156 CSGOBIG\_COIN | 9.1% | 0 | 0.0 | — | | [★ Sport Gloves \| Pandora's Box (Field-Tested) gloves · legendary](https://gambatracker.com/items/sport-gloves-pandoras-box-field-tested) | 1 in 133 | $4,394 4,394 CSGOBIG\_COIN | 4.9% | 0 | 0.0 | — | | [★ Sport Gloves \| Amphibious (Minimal Wear) gloves · extraordinary](https://gambatracker.com/items/sport-gloves-amphibious-minimal-wear) | 1 in 50 | $2,137 2,137 CSGOBIG\_COIN | 6.4% | 0 | 0.0 | — | | [★ Butterfly Knife \| Tiger Tooth (Factory New) knife · covert](https://gambatracker.com/items/butterfly-knife-tiger-tooth-factory-new) | 1 in 100 | $1,756 1,756 CSGOBIG\_COIN | 2.6% | 0 | 0.0 | — | | [★ Karambit \| Marble Fade (Factory New) knife · covert](https://gambatracker.com/items/karambit-marble-fade-factory-new) | 1 in 100 | $1,648 1,648 CSGOBIG\_COIN | 2.5% | 0 | 0.0 | — | | [★ Sport Gloves \| Vice (Field-Tested) gloves · extraordinary](https://gambatracker.com/items/sport-gloves-vice-field-tested) | 1 in 100 | $1,506 1,506 CSGOBIG\_COIN | 2.3% | 0 | 0.0 | — | | [★ Bayonet \| Marble Fade (Factory New) knife · covert](https://gambatracker.com/items/bayonet-marble-fade-factory-new) | 1 in 33 | $822 822 CSGOBIG\_COIN | 3.7% | 0 | 0.0 | — | | [Glock-18 \| Gamma Doppler (Factory New) (Emerald) weapon · red · Emerald](https://gambatracker.com/items/glock-18-gamma-doppler-factory-new-emerald) | 25.0% | $663 663 CSGOBIG\_COIN | 24.9% | 0 | 0.0 | — | | [AK-47 \| Case Hardened (Minimal Wear) weapon · classified](https://gambatracker.com/items/ak-47-case-hardened-minimal-wear) | 25.0% | $256 256 CSGOBIG\_COIN | 9.6% | 0 | 0.0 | — | | [M4A1-S \| Printstream (Minimal Wear) weapon · covert](https://gambatracker.com/items/m4a1-s-printstream-minimal-wear) | 1 in 20 | $244 244 CSGOBIG\_COIN | 1.8% | 0 | 0.0 | — | | [AWP \| Asiimov (Field-Tested) weapon · covert](https://gambatracker.com/items/awp-asiimov-field-tested) | 1 in 20 | $137 137 CSGOBIG\_COIN | 1.0% | 0 | 0.0 | — | | [AWP \| Asiimov (Battle-Scarred) weapon · covert](https://gambatracker.com/items/awp-asiimov-battle-scarred) | 10.0% | $76.00 76 CSGOBIG\_COIN | 1.1% | 0 | 0.0 | — | | [Nova \| Sand Dune (Factory New) weapon · consumer](https://gambatracker.com/items/nova-sand-dune-factory-new) | 20.0% | $0.95 0.95 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=181`, 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=181) **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 | $740 | 90.00% | 15 | Each opening is tested against the capture in force when it happened; a price or odds change starts a new one. listed legendary 1.0% covert 26.0% extraordinary 3.0% red 25.0% classified 25.0% consumer 20.0% 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. [BeGambleAware](https://www.begambleaware.org/) [Help & limits](https://gambatracker.com/responsible-gambling) How these figures are produced and labelled: https://gambatracker.com/llms.txt