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CS2Lab›Case Simulator›Operation Breakout Weapon Case
Operation Breakout Weapon Case
MARKETPLACE ONLYNo longer in drop pool (removed Dec 2025)

Operation Breakout Weapon Case

Case

CASE PRICE
$11.50
Steam Market floor
KEY PRICE
$2.49
Standard key
COST PER OPEN
$13.99
Case + key
EXPECTED VALUE
$6.40
Avg return per open
PROFIT / LOSS
$-7.59
Per open (EV − cost)
ROI
-54.2%
Return on investment
📉
NEGATIVE EXPECTED VALUE

Opening this case costs $13.99 but returns an average of $6.40 per open — a loss of $7.59 (54.2% negative ROI). The vast majority of CS2 cases have negative EV. Opening is entertainment, not investment.

DROP RATES & CONTENTS

15.98% restricted79.92% mil spec3.20% classified0.260% rare special0.640% covert
★ Butterfly Knife
★ Butterfly Knife
0.020% chance per open
$1,841
ST™ $1,543
★ Butterfly Knife | Fade
Fade
0.020% chance per open
$2,642
ST™ $2,908
★ Butterfly Knife | Crimson Web
Crimson Web
0.020% chance per open
$834.30
ST™ $1,025
★ Butterfly Knife | Slaughter
Slaughter
0.020% chance per open
$1,609
ST™ $1,840
★ Butterfly Knife | Case Hardened
Case Hardened
0.020% chance per open
$967.67
ST™ $1,309
★ Butterfly Knife | Urban Masked
Urban Masked
0.020% chance per open
$634.02
ST™ $659.23
★ Butterfly Knife | Blue Steel
Blue Steel
0.020% chance per open
$1,012
ST™ $1,173
★ Butterfly Knife | Night
Night
0.020% chance per open
$759.53
ST™ $724.81
★ Butterfly Knife | Stained
Stained
0.020% chance per open
$757.02
ST™ $889.70
★ Butterfly Knife | Forest DDPAT
Forest DDPAT
0.020% chance per open
$636.41
ST™ $644.02
★ Butterfly Knife | Boreal Forest
Boreal Forest
0.020% chance per open
$637.33
ST™ $646.34
★ Butterfly Knife | Scorched
Scorched
0.020% chance per open
$635.00
ST™ $677.02
★ Butterfly Knife | Safari Mesh
Safari Mesh
0.020% chance per open
$599.65
ST™ $623.67
P90 | Asiimov
Asiimov
0.320% chance per open
$224.11
ST™ $231.76
M4A1-S | Cyrex
Cyrex
0.320% chance per open
$227.75
ST™ $233.18

ABOUT THESE NUMBERS

Drop rates:Official — published by Valve via Perfect World (China) in September 2017 and verified across millions of community case openings.
StatTrak probability:10% — community-verified across tens of millions of openings. Not officially published by Valve.
Prices:Steam Market floor ask. Updated every ~4 hours. EV is a mathematical average — actual results vary greatly.
EV disclaimer:Nearly all cases have negative EV. Opening cases is entertainment, not a trading strategy. Never open cases expecting profit.
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