Trade-Up Calculator Deterministic math · official formulas

Classic contract · 10 Restricted (purple) → Classified (pink)prices are demo data

Materials (10 · same rarity)

Wear tier:

0.1400

Output wear = output range mapping (official formula) · cross-collection mixing supported (output odds by material share)

Material cost

¥ 127.50

Expected value

¥ 85.87

Break-even

0.0%

Near break-even

output value ≥ 90% of cost

0.0%

Jackpot rate

odds of the priciest output

33.3%

Worst-case profit

max loss

¥ 61.90

Buy the material bundle（10 items）

Bundle pricing: cheapest legal materials per collection × 10

We deliver the materials to your Steam inventory; sign the trade-up contract in game to finish.

Trade-Up Simulator Official odds · local draw

Draws one outcome by its probability; output wear is deterministic from the official formula, paint seed is 1–1000 random.

Simulation may deviate from the in-game contract result.

Outcome projection

Probability total 1.00 (below 1 = inputs include collections outside the candidate pool)

Output	Collection	Odds	Output wear	Tier	Value	ROI	EV share
FAMAS \| Djinn	The Chroma 2 Collection	33.3%	0.140000	MW	¥ 96.80	−24%	¥ 32.27
Five-SeveN \| Monkey Business	The Chroma 2 Collection	33.3%	0.212000	FT	¥ 95.20	−25%	¥ 31.73
Galil AR \| Eco	The Chroma 2 Collection	33.3%	0.205000	FT	¥ 65.60	−49%	¥ 21.87

…

Output

Collection

Odds

Output wear

Tier

Value

ROI

EV share

FAMAS | Djinn

The Chroma 2 Collection

33.3%

0.140000

¥ 96.80

−24%

¥ 32.27

Five-SeveN | Monkey Business

The Chroma 2 Collection

33.3%

0.212000

¥ 95.20

−25%

¥ 31.73

Galil AR | Eco

The Chroma 2 Collection

33.3%

0.205000

¥ 65.60

−49%

¥ 21.87