What are the odds of getting a knife from a CS2 case?

Approximately 0.26%, or about 1 in 385 cases. This means on average you'd spend ~€900 in keys before unboxing a knife, and the knife might be worth less than that.

Are CS2 cases worth opening?

Statistically, no. The average return per case is less than the key cost. Case opening should be viewed as entertainment, not as a way to profit or obtain skins efficiently. Buying skins directly from the market or using a skin changer offers much better value.

CS2 Case Opening Guide - Odds, Best Cases & Tips in 2026

CS2 Case Opening Odds

Every CS2 case uses the same probability distribution for rarities:

Mil-Spec (Blue): ~79.92% chance
Restricted (Purple): ~15.98% chance
Classified (Pink): ~3.2% chance
Covert (Red): ~0.64% chance
Knife/Glove (Gold): ~0.26% chance

Within each tier, all skins have an equal chance. StatTrak versions have approximately a 10% chance within each tier.

Best Cases to Open in 2026

If you're going to open cases, these offer the best potential returns:

For profit potential

Cases with expensive Covert skins (like cases containing sought-after AK or AWP skins)
Newer cases often have higher-value skins initially
Operation cases can be profitable if opened when keys are cheap

For fun/variety

Kilowatt Case and Gallery Case have exciting modern skins
Dreams & Nightmares Case has unique community-designed skins
Clutch Case has popular glove drops

Reality check: On average, the expected value of opening a case is LESS than the cost of the key. Case opening is entertainment, not investment.

The Math: Is Case Opening Worth It?

Let's do the math on average case opening:

Key cost: ~€2.35
Average return per case: ~€1.00-1.50 (varies by case)
Average loss per case: ~€0.85-1.35

To get a knife (0.26% chance), you'd need approximately 385 cases on average:

385 keys × €2.35 = ~€905
The cheapest knives sell for about €50-80
Average knife value: ~€150-200

Statistically, case opening is a money-losing activity. It's gambling with negative expected value. The house (Valve) always wins.

The smart alternative: Use a skin changer like lunaR to use any skin from any case for free, then only buy specific skins you truly want from the market.

Skip the Gambling - Get Every Skin Now

Why gamble €900 for one knife when you can have every skin with lunaR?

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Frequently asked questions

What are the odds of getting a knife from a CS2 case?: Approximately 0.26%, or about 1 in 385 cases. This means on average you'd spend ~€900 in keys before unboxing a knife, and the knife might be worth less than that.
Are CS2 cases worth opening?: Statistically, no. The average return per case is less than the key cost. Case opening should be viewed as entertainment, not as a way to profit or obtain skins efficiently. Buying skins directly from the market or using a skin changer offers much better value.