--- title: "10% Doppler case on CSGORoll: odds, RTP & drops" description: "10% Doppler ($51.09) on CSGORoll, a CS2 case site: advertised RTP 90.91% from 11 items with odds, observed 93.09% over 15.2K openings in 30 days." url: https://gambatracker.com/cases/csgoroll/10percent-doppler rendered: 2026-11-11T18:24Z --- [Case sites](https://gambatracker.com/case-sites) / [CSGORoll](https://gambatracker.com/case-sites/csgoroll) / [10% Doppler](https://gambatracker.com/cases/csgoroll/10percent-doppler) # [CSGORoll](https://gambatracker.com/case-sites/csgoroll) · 10% Doppler A case on CSGORoll (10%, knives), 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/10percent-doppler?window=24h) [7d](https://gambatracker.com/cases/csgoroll/10percent-doppler?window=7d) [30d](https://gambatracker.com/cases/csgoroll/10percent-doppler) [All](https://gambatracker.com/cases/csgoroll/10percent-doppler?window=all) Price · $51.09 · 72.98 coins Advertised RTP · 90.91% · EV $46.44 from 11 items Observed RTP, 30d · 93.09% · 15.2K openings, odds method Variance · 15.0× · of price², per opening Tail share · 1 in 50 · 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 observed, 95% band advertised outside band small sample 24 hours · 100.54% ±21.90 1,203 openings 7 days · 92.87% ±7.07 11.6K openings 30 days · 93.09% ±6.18 15.2K openings since tracking started · 93.09% ±6.18 15.2K openings 78.0% 100.5% 123.0% ## Windows · the test per window | Window | Openings | Observed | Dev. | Method | | --- | --- | --- | --- | --- | | [24h](https://gambatracker.com/cases/csgoroll/10percent-doppler?window=24h) | 1,203 | 100.54% ±21.9 | +0.9σ | odds | | [7d](https://gambatracker.com/cases/csgoroll/10percent-doppler?window=7d) | 11.6K | 92.87% ±7.07 | +0.5σ | odds | | [30d](https://gambatracker.com/cases/csgoroll/10percent-doppler) | 15.2K | 93.09% ±6.18 | +0.7σ | odds | | [All](https://gambatracker.com/cases/csgoroll/10percent-doppler?window=all) | 15.2K | 93.09% ±6.18 | +0.7σ | 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 15.2K 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 \| Doppler (Factory New) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/karambit-doppler-factory-new-phase-2) | 1 in 100 | $1,639 2,341 coins | 35.3% | 162 | 152.0 | 1.07× | | [★ M9 Bayonet \| Doppler (Factory New) (Phase 3) knife · covert · Phase 3](https://gambatracker.com/items/m9-bayonet-doppler-factory-new-phase-3) | 1 in 100 | $824 1,177 coins | 17.7% | 144 | 152.0 | 0.95× | | [★ Stiletto Knife \| Doppler (Minimal Wear) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/stiletto-knife-doppler-minimal-wear-phase-2) | 1 in 100 | $562 803 coins | 12.1% | 174 | 152.0 | 1.15× | | [★ Bayonet \| Gamma Doppler (Minimal Wear) (Phase 4) knife · covert · Phase 4](https://gambatracker.com/items/bayonet-gamma-doppler-minimal-wear-phase-4) | 1 in 100 | $442 631 coins | 9.5% | 164 | 152.0 | 1.08× | | [★ Flip Knife \| Doppler (Factory New) (Phase 4) knife · covert · Phase 4](https://gambatracker.com/items/flip-knife-doppler-factory-new-phase-4) | 1 in 100 | $291 416 coins | 6.3% | 140 | 152.0 | 0.92× | | [★ Huntsman Knife \| Doppler (Factory New) (Phase 1) knife · covert · Phase 1](https://gambatracker.com/items/huntsman-knife-doppler-factory-new-phase-1) | 1 in 100 | $274 392 coins | 5.9% | 145 | 152.0 | 0.95× | | [★ Bowie Knife \| Doppler (Minimal Wear) (Phase 3) knife · covert · Phase 3](https://gambatracker.com/items/bowie-knife-doppler-minimal-wear-phase-3) | 1 in 100 | $228 326 coins | 4.9% | 140 | 152.0 | 0.92× | | [★ Gut Knife \| Gamma Doppler (Factory New) (Phase 1) knife · covert · Phase 1](https://gambatracker.com/items/gut-knife-gamma-doppler-factory-new-phase-1) | 1 in 100 | $146 208 coins | 3.1% | 139 | 152.0 | 0.91× | | [★ Navaja Knife \| Doppler (Factory New) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/navaja-knife-doppler-factory-new-phase-2) | 1 in 100 | $122 174 coins | 2.6% | 160 | 152.0 | 1.05× | | [★ Gut Knife \| Doppler (Minimal Wear) (Phase 4) knife · covert · Phase 4](https://gambatracker.com/items/gut-knife-doppler-minimal-wear-phase-4) | 1 in 100 | $115 165 coins | 2.5% | 135 | 152.0 | 0.89× | | [PP-Bizon \| Sand Dashed (Field-Tested) weapon · consumer](https://gambatracker.com/items/pp-bizon-sand-dashed-field-tested) | 90.0% | $0.01 0.02 coins | 0.0% | 13,692 | 13675.5 | 1.00× | 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, 14:28 UTC. ## Biggest drops · from this case, by value [★ Karambit | Doppler (Factory New) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/karambit-doppler-factory-new-phase-2) [shmig](https://gambatracker.com/players/csgoroll/shmig) $51.67 73.81 coins $1,665 2,379 coins 32.23x 2026-11-08 14:50 UTC [★ Karambit | Doppler (Factory New) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/karambit-doppler-factory-new-phase-2) [1200cToNothingIn1Hour](https://gambatracker.com/players/csgoroll/1200cToNothingIn1Hour) $51.67 73.81 coins $1,665 2,379 coins 32.23x 2026-11-08 14:00 UTC [★ Karambit | Doppler (Factory New) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/karambit-doppler-factory-new-phase-2) [ShnoX](https://gambatracker.com/players/csgoroll/ShnoX) $51.67 73.81 coins $1,665 2,379 coins 32.23x 2026-11-08 13:42 UTC [★ Karambit | Doppler (Factory New) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/karambit-doppler-factory-new-phase-2) [Spreeko](https://gambatracker.com/players/csgoroll/Spreeko) $51.67 73.81 coins $1,665 2,379 coins 32.23x 2026-11-08 11:43 UTC [★ Karambit | Doppler (Factory New) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/karambit-doppler-factory-new-phase-2) [Kenny Starfighter CSGOROLL.COM](https://gambatracker.com/players/csgoroll/Kenny%20Starfighter%20CSGOROLL.COM) $51.67 73.81 coins $1,665 2,379 coins 32.23x 2026-11-08 11:10 UTC [★ Karambit | Doppler (Factory New) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/karambit-doppler-factory-new-phase-2) Hidden $51.67 73.81 coins $1,665 2,379 coins 32.23x 2026-11-08 03:02 UTC [★ Karambit | Doppler (Factory New) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/karambit-doppler-factory-new-phase-2) Hidden $51.67 73.81 coins $1,665 2,379 coins 32.23x 2026-11-07 23:43 UTC [★ Karambit | Doppler (Factory New) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/karambit-doppler-factory-new-phase-2) [User#507](https://gambatracker.com/players/csgoroll/User%23507) $51.67 73.81 coins $1,665 2,379 coins 32.23x 2026-11-07 23:31 UTC [★ Karambit | Doppler (Factory New) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/karambit-doppler-factory-new-phase-2) Hidden $51.67 73.81 coins $1,665 2,379 coins 32.23x 2026-11-07 22:01 UTC [★ Karambit | Doppler (Factory New) (Phase 2) knife · covert · Phase 2](https://gambatracker.com/items/karambit-doppler-factory-new-phase-2) Hidden $51.67 73.81 coins $1,665 2,379 coins 32.23x 2026-11-07 20:09 UTC ## Latest drops · newest first [All Latest drops →](https://gambatracker.com/drops?casino=csgoroll&case=10percent-doppler) [PP-Bizon | Sand Dashed (Field-Tested) weapon · consumer](https://gambatracker.com/items/pp-bizon-sand-dashed-field-tested) Hidden $51.09 72.98 coins $0.01 0.02 coins 0.00x 2026-11-11 18:23 UTC [PP-Bizon | Sand Dashed (Field-Tested) weapon · consumer](https://gambatracker.com/items/pp-bizon-sand-dashed-field-tested) Hidden $51.09 72.98 coins $0.01 0.02 coins 0.00x 2026-11-11 18:23 UTC [PP-Bizon | Sand Dashed (Field-Tested) weapon · consumer](https://gambatracker.com/items/pp-bizon-sand-dashed-field-tested) Hidden $51.09 72.98 coins $0.01 0.02 coins 0.00x 2026-11-11 18:23 UTC [PP-Bizon | Sand Dashed (Field-Tested) weapon · consumer](https://gambatracker.com/items/pp-bizon-sand-dashed-field-tested) Hidden $51.09 72.98 coins $0.01 0.02 coins 0.00x 2026-11-11 18:23 UTC [PP-Bizon | Sand Dashed (Field-Tested) weapon · consumer](https://gambatracker.com/items/pp-bizon-sand-dashed-field-tested) [bcx91 - 15k LB](https://gambatracker.com/players/csgoroll/bcx91%20-%2015k%20LB) $51.09 72.98 coins $0.01 0.02 coins 0.00x 2026-11-11 18:23 UTC [PP-Bizon | Sand Dashed (Field-Tested) weapon · consumer](https://gambatracker.com/items/pp-bizon-sand-dashed-field-tested) Hidden $51.09 72.98 coins $0.01 0.02 coins 0.00x 2026-11-11 18:23 UTC [PP-Bizon | Sand Dashed (Field-Tested) weapon · consumer](https://gambatracker.com/items/pp-bizon-sand-dashed-field-tested) [Ra-Kun](https://gambatracker.com/players/csgoroll/Ra-Kun) $51.09 72.98 coins $0.01 0.02 coins 0.00x 2026-11-11 18:22 UTC [PP-Bizon | Sand Dashed (Field-Tested) weapon · consumer](https://gambatracker.com/items/pp-bizon-sand-dashed-field-tested) Hidden $51.09 72.98 coins $0.01 0.02 coins 0.00x 2026-11-11 18:22 UTC [PP-Bizon | Sand Dashed (Field-Tested) weapon · consumer](https://gambatracker.com/items/pp-bizon-sand-dashed-field-tested) Hidden $51.09 72.98 coins $0.01 0.02 coins 0.00x 2026-11-11 18:22 UTC [PP-Bizon | Sand Dashed (Field-Tested) weapon · consumer](https://gambatracker.com/items/pp-bizon-sand-dashed-field-tested) Hidden $51.09 72.98 coins $0.01 0.02 coins 0.00x 2026-11-11 18:21 UTC ## Catalog changes · price, advertised RTP and contents, per capture | Captured | Price | Advertised | Items | | --- | --- | --- | --- | | 8 Nov, 17:30 UTC | $51.09 | 90.91% | 11 | | 2 Nov, 21:39 UTC | $51.67 | 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 10.0% consumer 90.0% best hit $1,665 (32.23x) 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