Chainsawman

A case on CSGORUN (oldcasesale), first seen 3 Nov 2026. Every value is CSGORUN's own item price.

Price
$3.46
Advertised RTP
93.80%
EV $3.25 from 42 items
Observed RTP, 30d
94.81%
214 openings, odds method
Variance
2.2×
of price², per opening
Tail share
24.0%
of openings carry half the EV
Below price
63.7%
of openings return less than the price

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

observed, 95% bandadvertisedoutside bandsmall sample
7 days
96.16%±21.07190 openings
30 days
94.81%±19.81214 openings
since tracking started
94.81%±19.81214 openings
74.5%96.2%118.0%

Windowsthe test per window

WindowOpeningsObservedDev.Method
24h0———
7d19096.16%±21.1+0.2σodds
30d21494.81%±19.8+0.1σodds
All21494.81%±19.8+0.1σodds
Enough sample: 100 openings and 5 expected rare hits (odds method) or 1,000 openings (sample method).

Items, odds and values42 items · odds sum to 1 · observed counts over 214 openings, 30 days

Share of the expected value, most valuable first; colour is the item's rarity.
ItemOddsValueEV shareObservedExpectedHot / cold
★ Butterfly Knife | Doppler (Factory New)knife · sunny1 in 1,000,000$2,1220.1%00.0—
StatTrak™ AK-47 | Fire Serpent (Well-Worn)StatTrak · weapon · covert1 in 1,000,000$2,0540.1%00.0—
★ Specialist Gloves | Tiger Strike (Factory New)gloves · extraordinary1 in 1,000,000$1,0860.0%00.0—
★ M9 Bayonet | Marble Fade (Factory New)knife · covert1 in 1,000,000$7220.0%00.0—
★ Specialist Gloves | Emerald Web (Well-Worn)gloves · extraordinary1 in 500,000$6460.0%00.0—
★ M9 Bayonet | Case Hardened (Battle-Scarred)knife · covert knife1 in 333,333$4590.0%00.0—
M4A4 | Buzz Kill (Factory New)weapon · covert1 in 333,333$4230.0%00.0—
★ Specialist Gloves | Pillow Punchers (Field-Tested)gloves · Immortal1 in 250,000$4110.1%00.0—
M4A4 | Bullet Rain (Factory New)weapon · covert1 in 83,333$1690.1%00.0—
★ Nomad Knife | Blue Steel (Well-Worn)knife · covert1 in 38,462$1420.1%00.0—
★ Nomad Knife | Damascus Steel (Minimal Wear)knife · covert knife1 in 43,478$1390.1%00.0—
★ Driver Gloves | Imperial Plaid (Battle-Scarred)gloves · extraordinary1 in 19,608$1070.2%00.0—
★ Driver Gloves | Seigaiha (Well-Worn)gloves · rare1 in 11,494$80.110.2%00.0—
M4A4 | In Living Color (Factory New)weapon · covert1 in 9,901$72.930.2%00.0—
★ Hydra Gloves | Case Hardened (Battle-Scarred)gloves · gold1 in 4,098$55.780.4%00.1—
★ Broken Fang Gloves | Yellow-banded (Field-Tested)gloves · extraordinary1 in 2,193$46.620.7%00.1—
M4A4 | Red DDPAT (Minimal Wear)weapon · restricted1 in 841$30.411.1%00.3—
Glock-18 | AXIA (Well-Worn)weapon · rare1 in 341$21.251.9%00.6—
M4A4 | Cyber Security (Battle-Scarred)weapon · pink1 in 210$19.032.8%21.01.96×
M4A1-S | Control Panel (Field-Tested)weapon · pink1 in 266$18.162.1%30.8—
Safecracker Voltzmann | The Professionalsagent · pink1 in 150$15.953.3%11.40.70×
Glock-18 | Vogue (Factory New)weapon · Legendary1 in 73$10.124.3%42.91.36×
AK-47 | Crane Flight (Well-Worn)weapon · pink1 in 72$9.684.2%43.01.34×
AK-47 | Breakthrough (Factory New)weapon · Mythical1 in 54$8.034.6%44.01.01×
Glock-18 | Trace Lock (Factory New)weapon · Mythical1 in 27$5.165.8%107.91.27×
M4A1-S | Black Lotus (Well-Worn)weapon · pink1 in 23$5.096.8%109.21.08×
P250 | Epicenter (Battle-Scarred)weapon · pink1 in 20$4.907.6%910.70.84×
Nova | Sobek's Bite (Battle-Scarred)weapon · restricted1 in 23$4.766.3%99.20.98×
USP-S | Cortex (Field-Tested)weapon · classified1 in 15$3.657.5%914.20.63×
StatTrak™ Sawed-Off | Highwayman (Battle-Scarred)StatTrak · weapon · restricted1 in 18$3.506.1%712.10.58×
M4A4 | Turbine (Minimal Wear)weapon · restricted1 in 14$2.986.3%1614.81.08×
P250 | Supernova (Well-Worn)weapon · restricted1 in 15$2.555.3%1514.41.04×
Glock-18 | Royal Legion (Field-Tested)weapon · restricted1 in 15$2.324.7%1814.11.27×
Galil AR | Firefight (Minimal Wear)weapon · Mythical1 in 16$2.064.0%1313.50.96×
M249 | Emerald Poison Dart (Factory New)weapon · restricted1 in 16$1.983.7%1013.10.77×
Desert Eagle | Firebreathing (Minimal Wear)weapon · #8847ff1 in 17$1.853.3%612.50.48×
XM1014 | Black Tie (Field-Tested)weapon · violet1 in 19$1.322.2%1411.41.23×
Galil AR | Rocket Pop (Well-Worn)weapon · mil spec1 in 23$0.781.0%179.31.82×
Five-SeveN | Hybrid (Minimal Wear)weapon · violet1 in 23$0.710.9%89.30.86×
Dual Berettas | Cobalt Quartz (Factory New)weapon · restricted1 in 26$0.600.7%118.31.32×
XM1014 | Run Run Run (Minimal Wear)weapon · milspec1 in 26$0.510.6%98.11.11×
MAC-10 | Carnivore (Minimal Wear)weapon · milspec1 in 28$0.450.5%57.60.66×
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/chainsawman/show, 11 Nov, 10:14 UTC.

Observed RTP over timedaily, 30 days

Observed RTP, dailyAdvertised 93.80%

Catalog changesprice, advertised RTP and contents, per capture

CapturedPriceAdvertisedItems
5 Nov, 23:09 UTC$3.4693.80%42
4 Nov, 04:54 UTC$3.5591.42%42
3 Nov, 04:27 UTC$3.5593.48%42
Each opening is tested against the capture in force when it happened; a price or odds change starts a new one.

listedsunny 0.0%covert 0.0%extraordinary 0.1%covert knife 0.0%Immortal 0.0%rare 0.3%gold 0.0%restricted 40.3%pink 12.2%Legendary 1.4%Mythical 11.8%classified 6.6%#8847ff 5.9%violet 9.6%mil spec 4.4%milspec 7.3%best hit —