--- title: "Coral Casket case on CSGOBig: odds, RTP & drops" description: "Coral Casket ($10.00) on CSGOBig, a CS2 case site: advertised RTP 90.01% from 15 items with odds, observed 28.75% over 24 openings in 30 days." url: https://gambatracker.com/cases/csgobig/131 rendered: 2026-11-11T13:23Z --- [Case sites](https://gambatracker.com/case-sites) / [CSGOBig](https://gambatracker.com/case-sites/csgobig) / [Coral Casket](https://gambatracker.com/cases/csgobig/131) # [CSGOBig](https://gambatracker.com/case-sites/csgobig) · Coral Casket 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/131?window=24h) [7d](https://gambatracker.com/cases/csgobig/131?window=7d) [30d](https://gambatracker.com/cases/csgobig/131) [All](https://gambatracker.com/cases/csgobig/131?window=all) Price · $10.00 · 10 CSGOBIG\_COIN Advertised RTP · 90.01% · EV $9.00 from 15 items Observed RTP, 30d · 28.75% · 24 openings, odds method Variance · 7.1× · of price², per opening Tail share · 1 in 25 · of openings carry half the EV Below price · 89.6% · 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 · 3 openings · below min 7 days · 24 openings · below min 30 days · 24 openings · below min since tracking started · 24 openings · below min -0.5% 152.0% 304.5% **Small sample.** 24 openings and 1.0 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/131?window=24h) | 3 | 3.13% ±300.5 | — | odds | | [7d](https://gambatracker.com/cases/csgobig/131?window=7d) | 24 | 28.75% ±106.2 | — | odds | | [30d](https://gambatracker.com/cases/csgobig/131) | 24 | 28.75% ±106.2 | — | odds | | [All](https://gambatracker.com/cases/csgobig/131?window=all) | 24 | 28.75% ±106.2 | — | 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 24 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 | | --- | --- | --- | --- | --- | --- | --- | | [Desert Eagle \| Ocean Drive (Factory New) weapon · covert](https://gambatracker.com/items/desert-eagle-ocean-drive-factory-new) | 1 in 25 | $124 124 CSGOBIG\_COIN | 55.2% | 0 | 1.0 | — | | [StatTrak™ P250 \| Undertow (Field-Tested) StatTrak · weapon · classified](https://gambatracker.com/items/stattrak-p250-undertow-field-tested) | 1 in 18 | $51.33 51.33 CSGOBIG\_COIN | 31.3% | 1 | 1.3 | 0.76× | | [StatTrak™ P250 \| Undertow (Factory New) StatTrak · weapon · Legendary](https://gambatracker.com/items/stattrak-p250-undertow-factory-new) | 1 in 109 | $50.00 50 CSGOBIG\_COIN | 5.1% | 0 | 0.2 | — | | [Patch \| Sunset Wave patch · remarkable](https://gambatracker.com/items/patch-sunset-wave) | 1 in 36 | $4.23 4.23 CSGOBIG\_COIN | 1.3% | 1 | 0.7 | — | | [Sticker \| Ocean Sunset Skill Surf (Holo) sticker · remarkable](https://gambatracker.com/items/sticker-ocean-sunset-skill-surf-holo) | 1 in 14 | $2.99 2.99 CSGOBIG\_COIN | 2.4% | 2 | 1.8 | 1.14× | | [PP-Bizon \| Seabird (Factory New) weapon · Common](https://gambatracker.com/items/pp-bizon-seabird-factory-new) | 10.1% | $2.13 2.13 CSGOBIG\_COIN | 2.4% | 1 | 2.4 | 0.41× | | [StatTrak™ MP7 \| Cirrus (Field-Tested) StatTrak · weapon · Rare](https://gambatracker.com/items/stattrak-mp7-cirrus-field-tested) | 12.8% | $0.54 0.54 CSGOBIG\_COIN | 0.8% | 1 | 3.1 | 0.33× | | [MP7 \| Cirrus (Minimal Wear) weapon · mil spec](https://gambatracker.com/items/mp7-cirrus-minimal-wear) | 1 in 11 | $0.39 0.39 CSGOBIG\_COIN | 0.4% | 3 | 2.2 | 1.37× | | [StatTrak™ MAC-10 \| Oceanic (Well-Worn) StatTrak · weapon · Mil Spec Grade](https://gambatracker.com/items/stattrak-mac-10-oceanic-well-worn) | 1 in 16 | $0.35 0.35 CSGOBIG\_COIN | 0.2% | 3 | 1.5 | 1.95× | | [MP7 \| Cirrus (Well-Worn) weapon · milspec](https://gambatracker.com/items/mp7-cirrus-well-worn) | 1 in 12 | $0.30 0.3 CSGOBIG\_COIN | 0.3% | 5 | 2.0 | 2.53× | | [P250 \| Ripple (Minimal Wear) weapon · Rare](https://gambatracker.com/items/p250-ripple-minimal-wear) | 1 in 22 | $0.29 0.29 CSGOBIG\_COIN | 0.1% | 1 | 1.1 | 0.91× | | [Glock-18 \| High Beam (Factory New) weapon · light blue](https://gambatracker.com/items/glock-18-high-beam-factory-new) | 1 in 55 | $0.23 0.23 CSGOBIG\_COIN | 0.0% | 1 | 0.4 | — | | [Sticker \| Sunset Ocean Tentaskull sticker · high](https://gambatracker.com/items/sticker-sunset-ocean-tentaskull) | 11.9% | $0.23 0.23 CSGOBIG\_COIN | 0.3% | 2 | 2.9 | 0.70× | | [MAC-10 \| Oceanic (Field-Tested) weapon · mil spec](https://gambatracker.com/items/mac-10-oceanic-field-tested) | 1 in 27 | $0.19 0.19 CSGOBIG\_COIN | 0.1% | 0 | 0.9 | — | | [SG 553 \| Waves Perforated (Field-Tested) weapon · #B0C3D9](https://gambatracker.com/items/sg-553-waves-perforated-field-tested) | 11.0% | $0.03 0.03 CSGOBIG\_COIN | 0.0% | 3 | 2.6 | 1.14× | 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=131`, 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=131) [P250 | Ripple (Minimal Wear) weapon · Rare](https://gambatracker.com/items/p250-ripple-minimal-wear) Hidden $10.00 10 CSGOBIG\_COIN $0.29 0.29 CSGOBIG\_COIN 0.03x 2026-11-10 20:10 UTC [MP7 | Cirrus (Well-Worn) weapon · milspec](https://gambatracker.com/items/mp7-cirrus-well-worn) Hidden $10.00 10 CSGOBIG\_COIN $0.30 0.3 CSGOBIG\_COIN 0.03x 2026-11-10 20:10 UTC [StatTrak™ MAC-10 | Oceanic (Well-Worn) StatTrak · weapon · Mil Spec Grade](https://gambatracker.com/items/stattrak-mac-10-oceanic-well-worn) [AdnaNN#](https://gambatracker.com/players/csgobig/AdnaNN%23) $10.00 10 CSGOBIG\_COIN $0.35 0.35 CSGOBIG\_COIN 0.03x 2026-11-10 20:10 UTC [SG 553 | Waves Perforated (Field-Tested) weapon · #B0C3D9](https://gambatracker.com/items/sg-553-waves-perforated-field-tested) Hidden $10.00 10 CSGOBIG\_COIN $0.03 0.03 CSGOBIG\_COIN 0.00x 2026-11-10 08:49 UTC [Sticker | Sunset Ocean Tentaskull sticker · high](https://gambatracker.com/items/sticker-sunset-ocean-tentaskull) Hidden $10.00 10 CSGOBIG\_COIN $0.23 0.23 CSGOBIG\_COIN 0.02x 2026-11-09 14:48 UTC [StatTrak™ MAC-10 | Oceanic (Well-Worn) StatTrak · weapon · Mil Spec Grade](https://gambatracker.com/items/stattrak-mac-10-oceanic-well-worn) Hidden $10.00 10 CSGOBIG\_COIN $0.35 0.35 CSGOBIG\_COIN 0.03x 2026-11-08 18:49 UTC [Glock-18 | High Beam (Factory New) weapon · light blue](https://gambatracker.com/items/glock-18-high-beam-factory-new) Hidden $10.00 10 CSGOBIG\_COIN $0.23 0.23 CSGOBIG\_COIN 0.02x 2026-11-08 13:59 UTC [MP7 | Cirrus (Minimal Wear) weapon · mil spec](https://gambatracker.com/items/mp7-cirrus-minimal-wear) Hidden $10.00 10 CSGOBIG\_COIN $0.39 0.39 CSGOBIG\_COIN 0.04x 2026-11-08 13:59 UTC [SG 553 | Waves Perforated (Field-Tested) weapon · #B0C3D9](https://gambatracker.com/items/sg-553-waves-perforated-field-tested) Hidden $10.00 10 CSGOBIG\_COIN $0.03 0.03 CSGOBIG\_COIN 0.00x 2026-11-08 13:59 UTC [Sticker | Ocean Sunset Skill Surf (Holo) sticker · remarkable](https://gambatracker.com/items/sticker-ocean-sunset-skill-surf-holo) Hidden $10.00 10 CSGOBIG\_COIN $2.99 2.99 CSGOBIG\_COIN 0.30x 2026-11-08 00:39 UTC ## Catalog changes · price, advertised RTP and contents, per capture | Captured | Price | Advertised | Items | | --- | --- | --- | --- | | 3 Nov, 04:27 UTC | $10.00 | 90.01% | 15 | Each opening is tested against the capture in force when it happened; a price or odds change starts a new one. listed covert 4.0% classified 5.5% Legendary 0.9% remarkable 10.1% Common 10.1% Rare 17.4% mil spec 12.8% Mil Spec Grade 6.4% milspec 8.2% light blue 1.8% high 11.9% #B0C3D9 11.0% best hit — 18+ **Case opening is gambling with skins as the currency.** At 90.0% RTP, every $100 put into cases returns $90.01 on average: an expected loss of $9.99 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