--- title: "Cobblestone case on CSGOBig: odds, RTP & drops" description: "Cobblestone ($1.00) on CSGOBig, a CS2 case site: advertised RTP 90.00% from 12 items with odds, observed 26.20% over 45 openings in 30 days." url: https://gambatracker.com/cases/csgobig/1029 rendered: 2026-11-11T13:11Z --- [Case sites](https://gambatracker.com/case-sites) / [CSGOBig](https://gambatracker.com/case-sites/csgobig) / [Cobblestone](https://gambatracker.com/cases/csgobig/1029) # [CSGOBig](https://gambatracker.com/case-sites/csgobig) · Cobblestone 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/1029?window=24h) [7d](https://gambatracker.com/cases/csgobig/1029?window=7d) [30d](https://gambatracker.com/cases/csgobig/1029) [All](https://gambatracker.com/cases/csgobig/1029?window=all) Price · $1.00 · 1 CSGOBIG\_COIN Advertised RTP · 90.00% · EV $0.90 from 12 items Observed RTP, 30d · 26.20% · 45 openings, odds method Variance · 2979.4× · of price², per opening Tail share · 1 in 10,000 · of openings carry half the EV Below price · 95.2% · 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 · 18 openings · below min 7 days · 45 openings · below min 30 days · 45 openings · below min since tracking started · 45 openings · below min -0.5% 1285.5% 2571.5% **Small sample.** 45 openings and 0.0 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/1029?window=24h) | 18 | 49.11% ±2521.6 | — | odds | | [7d](https://gambatracker.com/cases/csgobig/1029?window=7d) | 45 | 26.20% ±1594.8 | — | odds | | [30d](https://gambatracker.com/cases/csgobig/1029) | 45 | 26.20% ±1594.8 | — | odds | | [All](https://gambatracker.com/cases/csgobig/1029?window=all) | 45 | 26.20% ±1594.8 | — | odds | Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method). ## Items, odds and values · 12 items · odds sum to 1 · observed counts over 45 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 | | --- | --- | --- | --- | --- | --- | --- | | [AWP \| Dragon Lore (Battle-Scarred) weapon · covert](https://gambatracker.com/items/awp-dragon-lore-battle-scarred) | 1 in 10,000 | $5,425 5,425 CSGOBIG\_COIN | 60.3% | 0 | 0.0 | — | | [Desert Eagle \| Hand Cannon (Factory New) weapon · restricted](https://gambatracker.com/items/desert-eagle-hand-cannon-factory-new) | 1 in 10,000 | $598 598 CSGOBIG\_COIN | 6.6% | 0 | 0.0 | — | | [USP-S \| Royal Blue (Minimal Wear) weapon · industrial](https://gambatracker.com/items/usp-s-royal-blue-minimal-wear) | 1 in 400 | $15.50 15.5 CSGOBIG\_COIN | 4.3% | 0 | 0.1 | — | | [SCAR-20 \| Storm (Factory New) weapon · Consumer Grade](https://gambatracker.com/items/scar-20-storm-factory-new) | 1 in 200 | $8.27 8.27 CSGOBIG\_COIN | 4.6% | 0 | 0.2 | — | | [UMP-45 \| Indigo (Minimal Wear) weapon · consumer](https://gambatracker.com/items/ump-45-indigo-minimal-wear) | 1 in 100 | $3.18 3.18 CSGOBIG\_COIN | 3.5% | 1 | 0.5 | — | | [10 Year Birthday Sticker Capsule container · Base Grade](https://gambatracker.com/items/10-year-birthday-sticker-capsule) | 1 in 33 | $1.50 1.5 CSGOBIG\_COIN | 5.0% | 1 | 1.3 | 0.74× | | [Souvenir Dual Berettas \| Briar (Field-Tested) Souvenir · weapon · Consumer Grade](https://gambatracker.com/items/souvenir-dual-berettas-briar-field-tested) | 1 in 20 | $0.99 0.99 CSGOBIG\_COIN | 5.5% | 2 | 2.3 | 0.89× | | [AK-47 \| Elite Build (Battle-Scarred) weapon · mil spec](https://gambatracker.com/items/ak-47-elite-build-battle-scarred) | 1 in 50 | $0.75 0.75 CSGOBIG\_COIN | 1.7% | 1 | 0.9 | — | | [AK-47 \| Safari Mesh (Well-Worn) weapon · industrial](https://gambatracker.com/items/ak-47-safari-mesh-well-worn) | 10.0% | $0.40 0.4 CSGOBIG\_COIN | 4.4% | 7 | 4.5 | 1.56× | | [MP9 \| Deadly Poison (Battle-Scarred) weapon · #4b69ff](https://gambatracker.com/items/mp9-deadly-poison-battle-scarred) | 15.0% | $0.15 0.15 CSGOBIG\_COIN | 2.5% | 7 | 6.8 | 1.04× | | [Galil AR \| VariCamo (Battle-Scarred) weapon · #5E98D9](https://gambatracker.com/items/galil-ar-varicamo-battle-scarred) | 25.0% | $0.04 0.04 CSGOBIG\_COIN | 1.1% | 9 | 11.3 | 0.80× | | [PP-Bizon Sand Dashed (Battle-Scarred) other · #B0C3D9](https://gambatracker.com/items/pp-bizon-sand-dashed-battle-scarred-2) | 38.2% | $0.01 0.01 CSGOBIG\_COIN | 0.4% | 17 | 17.2 | 0.99× | 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=1029`, 11 Nov, 06:29 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=1029) [UMP-45 | Indigo (Minimal Wear) weapon · consumer](https://gambatracker.com/items/ump-45-indigo-minimal-wear) Hidden $1.00 1 CSGOBIG\_COIN $3.18 3.18 CSGOBIG\_COIN 3.18x 2026-11-11 12:40 UTC [Souvenir Dual Berettas | Briar (Field-Tested) Souvenir · weapon · Consumer Grade](https://gambatracker.com/items/souvenir-dual-berettas-briar-field-tested) Hidden $1.00 1 CSGOBIG\_COIN $0.99 0.99 CSGOBIG\_COIN 0.99x 2026-11-11 12:40 UTC [PP-Bizon Sand Dashed (Battle-Scarred) other · #B0C3D9](https://gambatracker.com/items/pp-bizon-sand-dashed-battle-scarred-2) Hidden $1.00 1 CSGOBIG\_COIN $0.01 0.01 CSGOBIG\_COIN 0.01x 2026-11-11 12:40 UTC [MP9 | Deadly Poison (Battle-Scarred) weapon · #4b69ff](https://gambatracker.com/items/mp9-deadly-poison-battle-scarred) Hidden $1.00 1 CSGOBIG\_COIN $0.15 0.15 CSGOBIG\_COIN 0.15x 2026-11-11 12:40 UTC [AK-47 | Safari Mesh (Well-Worn) weapon · industrial](https://gambatracker.com/items/ak-47-safari-mesh-well-worn) Hidden $1.00 1 CSGOBIG\_COIN $0.40 0.4 CSGOBIG\_COIN 0.40x 2026-11-11 12:40 UTC [PP-Bizon Sand Dashed (Battle-Scarred) other · #B0C3D9](https://gambatracker.com/items/pp-bizon-sand-dashed-battle-scarred-2) [amarilo](https://gambatracker.com/players/csgobig/amarilo) $1.00 1 CSGOBIG\_COIN $0.01 0.01 CSGOBIG\_COIN 0.01x 2026-11-11 12:40 UTC [AK-47 | Safari Mesh (Well-Worn) weapon · industrial](https://gambatracker.com/items/ak-47-safari-mesh-well-worn) Hidden $1.00 1 CSGOBIG\_COIN $0.40 0.4 CSGOBIG\_COIN 0.40x 2026-11-11 10:10 UTC [10 Year Birthday Sticker Capsule container · Base Grade](https://gambatracker.com/items/10-year-birthday-sticker-capsule) Hidden $1.00 1 CSGOBIG\_COIN $1.50 1.5 CSGOBIG\_COIN 1.50x 2026-11-11 10:10 UTC [MP9 | Deadly Poison (Battle-Scarred) weapon · #4b69ff](https://gambatracker.com/items/mp9-deadly-poison-battle-scarred) Hidden $1.00 1 CSGOBIG\_COIN $0.15 0.15 CSGOBIG\_COIN 0.15x 2026-11-11 10:10 UTC [MP9 | Deadly Poison (Battle-Scarred) weapon · #4b69ff](https://gambatracker.com/items/mp9-deadly-poison-battle-scarred) Hidden $1.00 1 CSGOBIG\_COIN $0.15 0.15 CSGOBIG\_COIN 0.15x 2026-11-11 10:10 UTC ## Catalog changes · price, advertised RTP and contents, per capture | Captured | Price | Advertised | Items | | --- | --- | --- | --- | | 3 Nov, 04:27 UTC | $1.00 | 90.00% | 12 | Each opening is tested against the capture in force when it happened; a price or odds change starts a new one. listed covert 0.0% restricted 0.0% industrial 10.3% Consumer Grade 5.5% consumer 1.0% Base Grade 3.0% mil spec 2.0% #4b69ff 15.0% #5E98D9 25.0% #B0C3D9 38.2% best hit — 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