--- title: "Tornado case on CSGOBig: odds, RTP & drops · gambatracker" description: "Tornado ($3.76) on CSGOBig, a CS2 case site: advertised RTP 90.00% from 6 items with odds, observed 87.04% over 22 openings in 30 days." url: https://gambatracker.com/cases/csgobig/315 rendered: 2026-11-11T14:03Z --- [Case sites](https://gambatracker.com/case-sites) / [CSGOBig](https://gambatracker.com/case-sites/csgobig) / [Tornado](https://gambatracker.com/cases/csgobig/315) # [CSGOBig](https://gambatracker.com/case-sites/csgobig) · Tornado 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/315?window=24h) [7d](https://gambatracker.com/cases/csgobig/315?window=7d) [30d](https://gambatracker.com/cases/csgobig/315) [All](https://gambatracker.com/cases/csgobig/315?window=all) Price · $3.76 · 3.76 CSGOBIG\_COIN Advertised RTP · 90.00% · EV $3.38 from 6 items Observed RTP, 30d · 87.04% · 22 openings, odds method Variance · 3.9× · of price², per opening Tail share · 1 in 10 · of openings carry half the EV Below price · 75.0% · 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 7 days · 18 openings · below min 30 days · 22 openings · below min since tracking started · 22 openings · below min -0.5% 84.8% 170.0% **Small sample.** 22 openings and 2.2 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/315?window=24h) | 0 | — | — | — | | [7d](https://gambatracker.com/cases/csgobig/315?window=7d) | 18 | 78.31% ±91.2 | — | odds | | [30d](https://gambatracker.com/cases/csgobig/315) | 22 | 87.04% ±82.5 | — | odds | | [All](https://gambatracker.com/cases/csgobig/315?window=all) | 22 | 87.04% ±82.5 | — | odds | Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method). ## Items, odds and values · 6 items · odds sum to 1 · observed counts over 22 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 | | --- | --- | --- | --- | --- | --- | --- | | [M4A4 \| Tornado (Factory New) weapon · industrial](https://gambatracker.com/items/m4a4-tornado-factory-new) | 1 in 500 | $110 110 CSGOBIG\_COIN | 6.5% | 0 | 0.0 | — | | [SG 553 \| Tornado (Factory New) weapon · gray](https://gambatracker.com/items/sg-553-tornado-factory-new) | 1 in 167 | $50.00 50 CSGOBIG\_COIN | 8.9% | 0 | 0.1 | — | | [MAC-10 \| Tornado (Factory New) weapon · consumer](https://gambatracker.com/items/mac-10-tornado-factory-new) | 1 in 50 | $25.00 25 CSGOBIG\_COIN | 14.8% | 0 | 0.4 | — | | [M4A4 \| Tornado (Minimal Wear) weapon · industrial](https://gambatracker.com/items/m4a4-tornado-minimal-wear) | 1 in 14 | $12.00 12 CSGOBIG\_COIN | 25.5% | 2 | 1.6 | 1.26× | | [Tec-9 \| Tornado (Minimal Wear) weapon · consumer](https://gambatracker.com/items/tec-9-tornado-minimal-wear) | 15.0% | $5.00 5 CSGOBIG\_COIN | 22.2% | 7 | 3.3 | 2.12× | | [MAC-10 \| Tornado (Field-Tested) weapon · Consumer Grade](https://gambatracker.com/items/mac-10-tornado-field-tested) | 75.0% | $1.00 1 CSGOBIG\_COIN | 22.2% | 13 | 16.5 | 0.79× | 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=315`, 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=315) [Tec-9 | Tornado (Minimal Wear) weapon · consumer](https://gambatracker.com/items/tec-9-tornado-minimal-wear) Hidden $3.76 3.76 CSGOBIG\_COIN $5.00 5 CSGOBIG\_COIN 1.33x 2026-11-10 07:19 UTC [MAC-10 | Tornado (Field-Tested) weapon · Consumer Grade](https://gambatracker.com/items/mac-10-tornado-field-tested) Hidden $3.76 3.76 CSGOBIG\_COIN $1.00 1 CSGOBIG\_COIN 0.27x 2026-11-10 07:19 UTC [MAC-10 | Tornado (Field-Tested) weapon · Consumer Grade](https://gambatracker.com/items/mac-10-tornado-field-tested) Hidden $3.76 3.76 CSGOBIG\_COIN $1.00 1 CSGOBIG\_COIN 0.27x 2026-11-09 03:19 UTC [MAC-10 | Tornado (Field-Tested) weapon · Consumer Grade](https://gambatracker.com/items/mac-10-tornado-field-tested) Hidden $3.76 3.76 CSGOBIG\_COIN $1.00 1 CSGOBIG\_COIN 0.27x 2026-11-09 03:19 UTC [Tec-9 | Tornado (Minimal Wear) weapon · consumer](https://gambatracker.com/items/tec-9-tornado-minimal-wear) Hidden $3.76 3.76 CSGOBIG\_COIN $5.00 5 CSGOBIG\_COIN 1.33x 2026-11-09 03:19 UTC [Tec-9 | Tornado (Minimal Wear) weapon · consumer](https://gambatracker.com/items/tec-9-tornado-minimal-wear) Hidden $3.76 3.76 CSGOBIG\_COIN $5.00 5 CSGOBIG\_COIN 1.33x 2026-11-09 03:19 UTC [MAC-10 | Tornado (Field-Tested) weapon · Consumer Grade](https://gambatracker.com/items/mac-10-tornado-field-tested) Hidden $3.76 3.76 CSGOBIG\_COIN $1.00 1 CSGOBIG\_COIN 0.27x 2026-11-09 03:19 UTC [MAC-10 | Tornado (Field-Tested) weapon · Consumer Grade](https://gambatracker.com/items/mac-10-tornado-field-tested) Hidden $3.76 3.76 CSGOBIG\_COIN $1.00 1 CSGOBIG\_COIN 0.27x 2026-11-09 03:19 UTC [M4A4 | Tornado (Minimal Wear) weapon · industrial](https://gambatracker.com/items/m4a4-tornado-minimal-wear) Hidden $3.76 3.76 CSGOBIG\_COIN $12.00 12 CSGOBIG\_COIN 3.19x 2026-11-09 03:19 UTC [MAC-10 | Tornado (Field-Tested) weapon · Consumer Grade](https://gambatracker.com/items/mac-10-tornado-field-tested) Hidden $3.76 3.76 CSGOBIG\_COIN $1.00 1 CSGOBIG\_COIN 0.27x 2026-11-09 03:19 UTC ## Catalog changes · price, advertised RTP and contents, per capture | Captured | Price | Advertised | Items | | --- | --- | --- | --- | | 3 Nov, 04:27 UTC | $3.76 | 90.00% | 6 | Each opening is tested against the capture in force when it happened; a price or odds change starts a new one. listed industrial 7.4% gray 0.6% consumer 17.0% Consumer Grade 75.0% 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