Duo

A case on CSGORoll (csgo, knives, 20%, gloves, pistols), first seen 2 Nov 2026. Every value is CSGORoll's own item price converted from Roll coins at the rate on the site page.

Price
$23.61
33.73 coins
Advertised RTP
90.91%
EV $21.47 from 22 items
Observed RTP, 30d
89.35%
3,485 openings, odds method
Variance
5.7×
of price², per opening
Tail share
1 in 19
of openings carry half the EV
Below price
82.9%
of openings return less than the price

Advertised vs observedper window, 95% band and the advertised marker

observed, 95% bandadvertisedoutside bandsmall sample
24 hours
66.65%±25.95325 openings
7 days
87.56%±8.852,808 openings
30 days
89.35%±7.953,485 openings
since tracking started
89.35%±7.953,485 openings
40.0%69.0%98.0%

Windowsthe test per window

WindowOpeningsObservedDev.Method
24h32566.65%±26.0−1.8σodds
7d2,80887.56%±8.85−0.7σodds
30d3,48589.35%±7.95−0.4σodds
All3,48589.35%±7.95−0.4σodds
Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method).

Items, odds and values22 items · odds sum to 1 · observed counts over 3,485 openings, 30 days

Share of the expected value, most valuable first; colour is the item's rarity.
ItemOddsValueEV shareObservedExpectedHot / cold
★ Sport Gloves | Slingshot (Minimal Wear)gloves · extraordinary1 in 4,000$676 966 coins0.8%10.9—
★ StatTrak™ Shadow Daggers | Doppler (Factory New) (Ruby)StatTrak · knife · covert · Ruby1 in 286$415 593 coins6.8%1412.21.15×
★ Hydra Gloves | Case Hardened (Factory New)gloves · extraordinary1 in 571$382 546 coins3.1%66.10.98×
★ StatTrak™ Shadow Daggers | Gamma Doppler (Minimal Wear) (Emerald)StatTrak · knife · covert · Emerald1 in 100$228 326 coins10.6%3834.91.09×
Dual Berettas | Duelist (Minimal Wear)weapon · restricted1 in 200$213 304 coins5.0%2217.41.26×
★ StatTrak™ Shadow Daggers | Doppler (Minimal Wear) (Phase 2)StatTrak · knife · covert · Phase 21 in 83$205 293 coins11.5%3641.80.86×
★ StatTrak™ Shadow Daggers | Doppler (Minimal Wear) (Phase 3)StatTrak · knife · covert · Phase 31 in 50$177 253 coins16.5%6069.70.86×
★ Driver Gloves | Imperial Plaid (Well-Worn)gloves · extraordinary1 in 69$122 175 coins8.3%5250.51.03×
★ Specialist Gloves | Forest DDPAT (Battle-Scarred)gloves · extraordinary1 in 50$102 145 coins9.5%6169.70.88×
Souvenir Dual Berettas | Twin Turbo (Factory New)Souvenir · weapon · classified1 in 74$82.60 118 coins5.2%3847.00.81×
StatTrak™ Dual Berettas | Cobra Strike (Field-Tested)StatTrak · weapon · classified1 in 29$75.60 108 coins12.3%125122.01.02×
★ Driver Gloves | Queen Jaguar (Battle-Scarred)gloves · extraordinary1 in 29$42.88 61.26 coins7.0%125122.01.02×
Souvenir Dual Berettas | Cobalt Quartz (Factory New)Souvenir · weapon · restricted1 in 222$21.53 30.75 coins0.5%1815.71.15×
Souvenir Dual Berettas | Stained (Minimal Wear)Souvenir · weapon · industrial1 in 40$7.94 11.35 coins0.9%7287.10.83×
Dual Berettas | Royal Consorts (Well-Worn)weapon · restricted10.0%$2.95 4.21 coins1.4%344348.50.99×
Dual Berettas | Shred (Battle-Scarred)weapon · mil spec10.0%$0.31 0.44 coins0.1%358348.51.03×
Dual Berettas | Elite 1.6 (Battle-Scarred)weapon · mil spec10.0%$0.30 0.43 coins0.1%338348.50.97×
Souvenir Dual Berettas | Oil Change (Minimal Wear)Souvenir · weapon · consumer10.0%$0.30 0.43 coins0.1%363348.51.04×
Dual Berettas | Ventilators (Minimal Wear)weapon · mil spec10.0%$0.28 0.4 coins0.1%350348.51.00×
Dual Berettas | Dualing Dragons (Well-Worn)weapon · mil spec10.0%$0.24 0.35 coins0.1%371348.51.06×
Souvenir Dual Berettas | Drift Wood (Battle-Scarred)Souvenir · weapon · industrial10.0%$0.23 0.33 coins0.1%359348.51.03×
Dual Berettas | Colony (Well-Worn)weapon · consumer10.0%<$0.01 0.01 coins0.0%334348.50.96×
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 dropsfrom this case, by value

★ Sport Gloves | Slingshot (Minimal Wear)gloves · extraordinary$23.6133.73 coins$676966 coins28.64x

Latest dropsnewest first

Dual Berettas | Royal Consorts (Well-Worn)weapon · restricted$23.6133.73 coins$2.954.21 coins0.12x
Dual Berettas | Ventilators (Minimal Wear)weapon · mil spec$23.6133.73 coins$0.280.4 coins0.01x
Dual Berettas | Shred (Battle-Scarred)weapon · mil spec$23.6133.73 coins$0.310.44 coins0.01x
Dual Berettas | Shred (Battle-Scarred)weapon · mil spec$23.6133.73 coins$0.310.44 coins0.01x
Dual Berettas | Colony (Well-Worn)weapon · consumer$23.6133.73 coins<$0.010.01 coins0.00x

Observed RTP over timedaily, 30 days

Observed RTP, dailyAdvertised 90.91%

Catalog changesprice, advertised RTP and contents, per capture

CapturedPriceAdvertisedItems
9 Nov, 14:08 UTC$23.6190.91%22
9 Nov, 01:53 UTC$23.6190.90%22
8 Nov, 23:33 UTC$23.6190.90%22
8 Nov, 17:30 UTC$23.6790.90%22
6 Nov, 10:50 UTC$23.8090.90%22
5 Nov, 22:45 UTC$23.7990.92%22
3 Nov, 09:32 UTC$23.7990.92%22
2 Nov, 21:39 UTC$23.8090.90%22
Each opening is tested against the capture in force when it happened; a price or odds change starts a new one.

listedextraordinary 7.2%covert 4.5%restricted 10.9%classified 4.9%industrial 12.5%mil spec 40.0%consumer 20.0%best hit $676 (28.64x)