Gamma Case

Knives in pool

Released June 10, 2016

EV prices via Skinport

Est. EV / open

$2.95

Open cost

$5.27

Expected net

-$2.32

Expected return

-44%

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Open-cost calculator

Number of opens

Total cost: $52.70
Expected return: $29.51
Expected net: −$23.19
Chance of a rare special: 2.57%

Estimates weight each skin's price by its float range and StatTrak chance, on the published CS2 drop odds. Any single open still swings on the exact float you roll — over many opens, the house edge means you should expect to lose money.

Drop pool by rarity

Covert

Drop 0.64%Avg $112.37

M4A1-S | Mecha Industries$117.46
Glock-18 | Wasteland Rebel$107.28

Classified

Drop 3.2%Avg $14.28

M4A4 | Desolate Space$17.50
P2000 | Imperial Dragon$13.08
SCAR-20 | Bloodsport$12.25

Restricted

Drop 16%Avg $1.91

AWP | Phobos$2.93
R8 Revolver | Reboot$1.81
Sawed-Off | Limelight$1.74
AUG | Aristocrat$1.61
P90 | Chopper$1.45

Mil-Spec

Drop 80%Avg $0.50

Five-SeveN | Violent Daimyo$0.63
Tec-9 | Ice Cap$0.61
PP-Bizon | Harvester$0.58
MAC-10 | Carnivore$0.56
P250 | Iron Clad$0.44
Nova | Exo$0.34
SG 553 | Aerial$0.32

★ Knives

Drop 0.26%Avg $411.44

★ Karambit | Gamma Doppler
★ M9 Bayonet | Gamma Doppler
★ Karambit | Autotronic

Each skin's value is estimated across all wear conditions — weighted by its float range and blended with StatTrak — rather than a live quote for a single listing. Drop odds follow the published CS2 container rates. Expected value is what an average open is worth across many openings; individual results vary widely.