Fri 13 friday 13
A case on CSGORUN (friday13), first seen 12 Nov 2026. Every value is CSGORUN's own item price.
Price
$131.30
Advertised RTP
94.00%
EV $123.42 from 40 items
Observed RTP, 30d
87.80%
62 openings, sample method
Variance
0.6×
of price², per opening
Tail share
33.6%
of openings carry half the EV
Below price
50.0%
of openings return less than the price
Advertised vs observedper window, 95% band and the advertised marker
observed, 95% bandadvertisedoutside bandsmall sample
Small sample. 62 openings: below the 1,000 the sample method needs, so no verdict.
Windowsthe test per window
Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method).
Items, odds and values40 items · odds sum to 1 · observed counts over 62 openings, 30 days
Share of the expected value, most valuable first; colour is the item's rarity.
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/fri13_friday13/show, 12 Nov, 23:45 UTC.Biggest dropsfrom this case, by value
Latest dropsnewest first
Observed RTP over timedaily, 30 days
Observed RTP, dailyAdvertised 94.00%
Catalog changesprice, advertised RTP and contents, per capture
| Captured | Price | Advertised | Items |
|---|---|---|---|
| 12 Nov, 17:28 UTC | $131 | 94.00% | 40 |
Each opening is tested against the capture in force when it happened; a price or odds change starts a new one.
listedcovert 35.9%legendary 0.3%Immortal 0.0%#ffd700 8.4%covert knife 14.9%extraordinary 4.1%rare 8.4%sunny 3.1%mil spec 8.5%classified 5.5%Legendary 5.4%violet 2.7%pink 2.7%best hit $551 (4.20x)