Trade-Up Calculator Deterministic math · official formulas

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

Materials (10 · same rarity)

Wear tier:

0.1100

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

Material cost

¥ 115.50

Expected value

¥ 78.80

Break-even

0.0%

Near break-even

output value ≥ 90% of cost

0.0%

Jackpot rate

odds of the priciest output

50.0%

Worst-case profit

max loss

¥ 40.30

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
Desert Eagle \| Starcade	The Graphic Design Collection	50.0%	0.082500	MW	¥ 82.40	−29%	¥ 41.20
AUG \| Lil' Pig	The Graphic Design Collection	50.0%	0.088000	MW	¥ 75.20	−35%	¥ 37.60

…

Output

Collection

Odds

Output wear

Tier

Value

ROI

EV share

Desert Eagle | Starcade

The Graphic Design Collection

50.0%

0.082500

¥ 82.40

−29%

¥ 41.20

AUG | Lil' Pig

The Graphic Design Collection

50.0%

0.088000

¥ 75.20

−35%

¥ 37.60