Ump

A case on CSGORUN (armory2026), first seen 5 Nov 2026. Every value is CSGORUN's own item price.

Price
$0.66
Advertised RTP
92.97%
EV $0.61 from 36 items
Observed RTP, 30d
113.60%
129 openings, sample method
Variance
1.1×
of price², per opening
Tail share
26.3%
of openings carry half the EV
Below price
57.0%
of openings return less than the price

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

observed, 95% bandadvertisedoutside bandsmall sample
24 hours
15 openings · below min
7 days
129 openings · below min
30 days
129 openings · below min
since tracking started
129 openings · below min
39.0%96.8%154.5%

Small sample. 129 openings: below the 1,000 the sample method needs, so no verdict.

Windowsthe test per window

WindowOpeningsObservedDev.Method
24h1593.43%±53.8—odds
7d129113.60%±40.1—sample
30d129113.60%±40.1—sample
All129113.60%±40.1—sample
Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method).

Items, odds and values36 items · odds sum to 1 · observed counts over 129 openings, 30 days

Share of the expected value, most valuable first; colour is the item's rarity.
ItemOddsValueEV shareObservedExpectedHot / cold
UMP-45 | Minotaur's Labyrinth (Factory New)weapon · mil spec1 in 500,000$1010.0%00.0—
UMP-45 | Day Lily (Minimal Wear)weapon · #4b69ff1 in 250,000$66.130.0%00.0—
UMP-45 | Blaze (Minimal Wear)weapon · milspec1 in 111,111$45.440.1%00.0—
UMP-45 | Fallout Warning (Minimal Wear)weapon · industrial1 in 55,556$26.880.1%00.0—
UMP-45 | Neo-Noir (Factory New)weapon · uncommon1 in 32,258$21.260.1%00.0—
UMP-45 | Primal Saber (Factory New)weapon · classified1 in 12,195$16.230.2%10.0—
UMP-45 | Wild Child (Factory New)weapon · pink1 in 5,405$11.390.3%00.0—
UMP-45 | Neo-Noir (Minimal Wear)weapon · uncommon1 in 2,463$9.460.6%00.1—
UMP-45 | Gold Bismuth (Minimal Wear)weapon · restricted1 in 1,011$6.541.1%00.1—
UMP-45 | Houndstooth (Minimal Wear)weapon · Industrial Grade1 in 410$4.311.7%20.3—
UMP-45 | Crimson Foil (Factory New)weapon · violet1 in 231$4.122.9%00.6—
UMP-45 | Indigo (Minimal Wear)weapon · consumer1 in 119$2.703.7%11.10.92×
UMP-45 | Crimson Foil (Minimal Wear)weapon · uncommon1 in 87$2.254.2%31.52.02×
UMP-45 | Briefing (Factory New)weapon · Rare1 in 58$1.704.8%22.20.90×
UMP-45 | Moonrise (Factory New)weapon · restricted1 in 39$1.446.0%13.30.31×
UMP-45 | Exposure (Minimal Wear)weapon · restricted1 in 29$1.186.6%34.40.68×
UMP-45 | Exposure (Field-Tested)weapon · violet1 in 25$1.087.1%45.20.77×
UMP-45 | Plastique (Minimal Wear)weapon · Mythical1 in 23$1.027.1%45.50.73×
UMP-45 | Warm Blooded (Factory New)weapon · #4b69ff1 in 13$0.779.4%79.70.72×
UMP-45 | Late Night Transit (Minimal Wear)weapon · blue1 in 12$0.709.6%1410.91.29×
UMP-45 | Arctic Wolf (Minimal Wear)weapon · Mythical1 in 12$0.709.4%1210.61.13×
UMP-45 | Fragment (Factory New)weapon · blue1 in 26$0.613.8%54.91.02×
UMP-45 | Roadblock (Factory New)weapon · Mil Spec1 in 26$0.493.0%64.91.22×
UMP-45 | Riot (Minimal Wear)weapon · milspec1 in 26$0.483.0%24.90.41×
UMP-45 | Labyrinth (Factory New)weapon · Mil Spec1 in 26$0.412.5%64.91.22×
UMP-45 | Labyrinth (Minimal Wear)weapon · 11 in 26$0.332.0%84.91.63×
UMP-45 | Motorized (Factory New)weapon · Rare1 in 26$0.301.9%114.92.24×
UMP-45 | Oscillator (Minimal Wear)weapon · blue1 in 26$0.251.5%54.91.02×
UMP-45 | Late Night Transit (Field-Tested)weapon · blue1 in 26$0.211.3%44.90.82×
UMP-45 | Fragment (Minimal Wear)weapon · #4b69ff1 in 26$0.191.2%54.91.02×
UMP-45 | Warm Blooded (Field-Tested)weapon · blue1 in 26$0.171.1%54.91.02×
UMP-45 | Roadblock (Minimal Wear)weapon · blue1 in 26$0.150.9%04.90.00×
UMP-45 | Gunsmoke (Minimal Wear)weapon · industrial1 in 26$0.150.9%04.90.00×
UMP-45 | Carbon Fiber (Minimal Wear)weapon · industrial1 in 26$0.110.7%54.91.02×
UMP-45 | Motorized (Minimal Wear)weapon · blue1 in 26$0.100.6%64.91.22×
UMP-45 | Carbon Fiber (Factory New)weapon · industrial1 in 26$0.090.6%74.91.43×
Values are CSGORUN'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 csgorun:v1/box/ump/show, 11 Nov, 10:14 UTC.

Observed RTP over timedaily, 30 days

Observed RTP, dailyAdvertised 92.97%

Catalog changesprice, advertised RTP and contents, per capture

CapturedPriceAdvertisedItems
6 Nov, 05:23 UTC$0.6692.97%36
5 Nov, 23:09 UTC$0.6694.00%36
Each opening is tested against the capture in force when it happened; a price or odds change starts a new one.

listed1 3.8%mil spec 0.0%#4b69ff 11.3%milspec 3.8%industrial 11.4%uncommon 1.2%classified 0.0%pink 0.0%restricted 6.0%Industrial Grade 0.2%violet 4.4%consumer 0.8%Rare 5.5%Mythical 12.5%blue 31.2%Mil Spec 7.6%best hit —