--- title: "Zipline case on CSGORoll: odds, RTP & drops · gambatracker" description: "Zipline ($100.32) on CSGORoll, a CS2 case site: advertised RTP 90.91% from 11 items with odds, observed 83.01% over 228 openings in 30 days." url: https://gambatracker.com/cases/csgoroll/zipline rendered: 2026-11-11T13:44Z --- [Case sites](https://gambatracker.com/case-sites) / [CSGORoll](https://gambatracker.com/case-sites/csgoroll) / [Zipline](https://gambatracker.com/cases/csgoroll/zipline) # [CSGORoll](https://gambatracker.com/case-sites/csgoroll) · Zipline A case on CSGORoll (25%), first seen 2 Nov 2026. Every value is CSGORoll's own item price converted from Roll coins at the rate on the site page. [24h](https://gambatracker.com/cases/csgoroll/zipline?window=24h) [7d](https://gambatracker.com/cases/csgoroll/zipline?window=7d) [30d](https://gambatracker.com/cases/csgoroll/zipline) [All](https://gambatracker.com/cases/csgoroll/zipline?window=all) Price · $100.32 · 143 coins Advertised RTP · 90.91% · EV $91.20 from 11 items Observed RTP, 30d · 83.01% · 228 openings, odds method Variance · 5.7× · of price², per opening Tail share · 1 in 16 · of openings carry half the EV Below price · 83.5% · 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 · 17 openings · below min 7 days · 91.49% ±34.45 187 openings 30 days · 83.01% ±31.21 228 openings since tracking started · 83.01% ±31.21 228 openings -0.5% 78.8% 158.0% ## Windows · the test per window | Window | Openings | Observed | Dev. | Method | | --- | --- | --- | --- | --- | | [24h](https://gambatracker.com/cases/csgoroll/zipline?window=24h) | 17 | 43.64% ±113.8 | — | odds | | [7d](https://gambatracker.com/cases/csgoroll/zipline?window=7d) | 187 | 91.49% ±34.5 | +0.0σ | odds | | [30d](https://gambatracker.com/cases/csgoroll/zipline) | 228 | 83.01% ±31.2 | −0.5σ | odds | | [All](https://gambatracker.com/cases/csgoroll/zipline?window=all) | 228 | 83.01% ±31.2 | −0.5σ | odds | Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method). ## Items, odds and values · 11 items · odds sum to 1 · observed counts over 228 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 | | --- | --- | --- | --- | --- | --- | --- | | [★ Karambit \| Gamma Doppler (Minimal Wear) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/karambit-gamma-doppler-minimal-wear-phase-2) | 1 in 200 | $2,037 2,910 coins | 11.2% | 0 | 1.1 | 0.00× | | [AK-47 \| X-Ray (Factory New) weapon · covert](https://gambatracker.com/items/ak-47-x-ray-factory-new) | 1 in 125 | $1,518 2,169 coins | 13.3% | 3 | 1.8 | 1.64× | | [★ Hand Wraps \| CAUTION! (Factory New) gloves · legendary](https://gambatracker.com/items/hand-wraps-caution-factory-new) | 1 in 50 | $517 739 coins | 11.3% | 3 | 4.6 | 0.66× | | [★ Karambit \| Lore (Well-Worn) knife · covert](https://gambatracker.com/items/karambit-lore-well-worn) | 1 in 33 | $493 705 coins | 16.2% | 8 | 6.8 | 1.17× | | [★ Skeleton Knife \| Fade (Minimal Wear) knife · legendary](https://gambatracker.com/items/skeleton-knife-fade-minimal-wear) | 1 in 83 | $427 610 coins | 5.6% | 0 | 2.7 | 0.00× | | [★ Gut Knife \| Doppler (Minimal Wear) (Ruby) knife · covert · Ruby](https://gambatracker.com/items/gut-knife-doppler-minimal-wear-ruby) | 1 in 25 | $385 550 coins | 16.9% | 7 | 9.1 | 0.77× | | [★ Talon Knife \| Damascus Steel (Factory New) knife · covert](https://gambatracker.com/items/talon-knife-damascus-steel-factory-new) | 1 in 20 | $334 477 coins | 18.3% | 14 | 11.4 | 1.23× | | [★ Paracord Knife \| Crimson Web (Field-Tested) knife · covert](https://gambatracker.com/items/paracord-knife-crimson-web-field-tested) | 1 in 12 | $76.30 109 coins | 7.1% | 19 | 19.4 | 0.98× | | [P250 \| Boreal Forest (Field-Tested) weapon · consumer](https://gambatracker.com/items/p250-boreal-forest-field-tested) | 25.0% | $0.02 0.03 coins | 0.0% | 75 | 57.0 | 1.32× | | [PP-Bizon \| Sand Dashed (Field-Tested) weapon · consumer](https://gambatracker.com/items/pp-bizon-sand-dashed-field-tested) | 25.0% | $0.01 0.02 coins | 0.0% | 53 | 57.0 | 0.93× | | [MP9 \| Sand Dashed (Field-Tested) weapon · consumer](https://gambatracker.com/items/mp9-sand-dashed-field-tested) | 25.0% | \<$0.01 0.01 coins | 0.0% | 46 | 57.0 | 0.81× | Values are CSGORoll'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 `csgoroll:graphql boxes.slots.rate`, 11 Nov, 08:26 UTC. ## Biggest drops · from this case, by value [AK-47 | X-Ray (Factory New) weapon · covert](https://gambatracker.com/items/ak-47-x-ray-factory-new) Hidden $105 150 coins $1,673 2,390 coins 15.96x 2026-11-08 08:10 UTC [AK-47 | X-Ray (Factory New) weapon · covert](https://gambatracker.com/items/ak-47-x-ray-factory-new) Hidden $105 150 coins $1,673 2,390 coins 15.96x 2026-11-05 00:03 UTC [AK-47 | X-Ray (Factory New) weapon · covert](https://gambatracker.com/items/ak-47-x-ray-factory-new) Hidden $100 143 coins $1,518 2,169 coins 15.14x 2026-11-10 09:34 UTC [★ Hand Wraps | CAUTION! (Factory New) gloves · legendary](https://gambatracker.com/items/hand-wraps-caution-factory-new) Hidden $105 150 coins $547 782 coins 5.22x 2026-11-08 08:10 UTC [★ Hand Wraps | CAUTION! (Factory New) gloves · legendary](https://gambatracker.com/items/hand-wraps-caution-factory-new) Hidden $105 150 coins $547 782 coins 5.22x 2026-11-06 17:23 UTC [★ Hand Wraps | CAUTION! (Factory New) gloves · legendary](https://gambatracker.com/items/hand-wraps-caution-factory-new) [Clutch](https://gambatracker.com/players/csgoroll/Clutch) $105 150 coins $547 782 coins 5.22x 2026-11-05 22:35 UTC [★ Hand Wraps | CAUTION! (Factory New) gloves · legendary](https://gambatracker.com/items/hand-wraps-caution-factory-new) [Kickerrrrrrrr](https://gambatracker.com/players/csgoroll/Kickerrrrrrrr) $100 143 coins $517 739 coins 5.16x 2026-11-09 09:39 UTC [★ Karambit | Lore (Well-Worn) knife · covert](https://gambatracker.com/items/karambit-lore-well-worn) Hidden $105 150 coins $516 737 coins 4.92x 2026-11-08 08:11 UTC [★ Karambit | Lore (Well-Worn) knife · covert](https://gambatracker.com/items/karambit-lore-well-worn) Hidden $105 150 coins $516 737 coins 4.92x 2026-11-08 08:11 UTC [★ Karambit | Lore (Well-Worn) knife · covert](https://gambatracker.com/items/karambit-lore-well-worn) [Kickerrrrrrrr](https://gambatracker.com/players/csgoroll/Kickerrrrrrrr) $105 150 coins $516 737 coins 4.92x 2026-11-08 08:01 UTC ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=csgoroll&case=zipline) [P250 | Boreal Forest (Field-Tested) weapon · consumer](https://gambatracker.com/items/p250-boreal-forest-field-tested) Hidden $100 143 coins $0.02 0.03 coins 0.00x 2026-11-11 11:00 UTC [P250 | Boreal Forest (Field-Tested) weapon · consumer](https://gambatracker.com/items/p250-boreal-forest-field-tested) Hidden $100 143 coins $0.02 0.03 coins 0.00x 2026-11-11 11:00 UTC [P250 | Boreal Forest (Field-Tested) weapon · consumer](https://gambatracker.com/items/p250-boreal-forest-field-tested) [Kickerrrrrrrr](https://gambatracker.com/players/csgoroll/Kickerrrrrrrr) $100 143 coins $0.02 0.03 coins 0.00x 2026-11-11 11:00 UTC [PP-Bizon | Sand Dashed (Field-Tested) weapon · consumer](https://gambatracker.com/items/pp-bizon-sand-dashed-field-tested) Hidden $100 143 coins $0.01 0.02 coins 0.00x 2026-11-11 11:00 UTC [P250 | Boreal Forest (Field-Tested) weapon · consumer](https://gambatracker.com/items/p250-boreal-forest-field-tested) Hidden $100 143 coins $0.02 0.03 coins 0.00x 2026-11-11 11:00 UTC [MP9 | Sand Dashed (Field-Tested) weapon · consumer](https://gambatracker.com/items/mp9-sand-dashed-field-tested) Hidden $100 143 coins \<$0.01 0.01 coins 0.00x 2026-11-11 11:00 UTC [MP9 | Sand Dashed (Field-Tested) weapon · consumer](https://gambatracker.com/items/mp9-sand-dashed-field-tested) [Kickerrrrrrrr](https://gambatracker.com/players/csgoroll/Kickerrrrrrrr) $100 143 coins \<$0.01 0.01 coins 0.00x 2026-11-11 11:00 UTC [P250 | Boreal Forest (Field-Tested) weapon · consumer](https://gambatracker.com/items/p250-boreal-forest-field-tested) Hidden $100 143 coins $0.02 0.03 coins 0.00x 2026-11-11 11:00 UTC [P250 | Boreal Forest (Field-Tested) weapon · consumer](https://gambatracker.com/items/p250-boreal-forest-field-tested) Hidden $100 143 coins $0.02 0.03 coins 0.00x 2026-11-11 10:58 UTC [MP9 | Sand Dashed (Field-Tested) weapon · consumer](https://gambatracker.com/items/mp9-sand-dashed-field-tested) [Kickerrrrrrrr](https://gambatracker.com/players/csgoroll/Kickerrrrrrrr) $100 143 coins \<$0.01 0.01 coins 0.00x 2026-11-11 10:58 UTC ## Catalog changes · price, advertised RTP and contents, per capture | Captured | Price | Advertised | Items | | --- | --- | --- | --- | | 9 Nov, 08:05 UTC | $100 | 90.91% | 11 | | 8 Nov, 23:33 UTC | $100 | 90.91% | 11 | | 8 Nov, 17:30 UTC | $101 | 90.91% | 11 | | 2 Nov, 21:39 UTC | $105 | 90.91% | 11 | Each opening is tested against the capture in force when it happened; a price or odds change starts a new one. listed covert 21.8% legendary 3.2% consumer 75.0% best hit $1,673 (15.96x) 18+ **Case opening is gambling with skins as the currency.** At 90.9% RTP, every $100 put into cases returns $90.91 on average: an expected loss of $9.09 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