- Cost
- $36.92
- EV
- 85%
- $31.21
- Profit
- −$9.78
- after fee
- Win %
- 25%
- to profit
Trade up to Nova | Rising Skull
10 Mil-Spec Grade skins from the Winter Offensive Weapon Case collection can become Nova | Rising Skull. Pick a wear to see every realistic route, its odds, cost and the input float it needs.
Factory New Nova | Rising Skull needs an average normalized input float below 0.1400 (output float 0.000–0.070). Best chance per contract: 25.0%.
- Cost
- $45.44
- EV
- 82%
- $37.11
- Profit
- −$13.17
- after fee
- Win %
- 35%
- to profit
- Cost
- $11.45
- EV
- 92%
- $10.51
- Profit
- −$2.31
- after fee
- Win %
- 15%
- to profit
- Cost
- $5.99
- EV
- 72%
- $4.32
- Profit
- −$2.23
- after fee
- Win %
- 10%
- to profit
- Cost
- $6.05
- EV
- 68%
- $4.14
- Profit
- −$2.45
- after fee
- Win %
- 10%
- to profit
- Cost
- $6.08
- EV
- 72%
- $4.38
- Profit
- −$2.27
- after fee
- Win %
- 10%
- to profit
Required input float for each Nova | Rising Skull wear
| Wear | Output float | Avg normalized input float | Cheapest route | Best chance |
|---|---|---|---|---|
| Factory New | 0.000–0.070 | < 0.1400 | $5.99 | 25.0% |
| Minimal Wear | 0.070–0.150 | ≥ 0.1400 and < 0.3000 | no priced route | — |
| Field-Tested | 0.150–0.380 | ≥ 0.3000 and < 0.7600 | $2.37 | 25.0% |
| Well-Worn | 0.380–0.450 | ≥ 0.7600 and < 0.9000 | no priced route | — |
| Battle-Scarred | 0.450–0.500 | ≥ 0.9000 and any | no priced route | — |
The average is over every input's float normalized to its own range. Output float = 0.00 + average × 0.50.
Other trade-up targets in this collection
How CS2 trade-up contracts work
Inputs & odds
10 skins of one rarity become 1 skin of the next rarity (Mil-Spec → Restricted → Classified → Covert). Since the October 2025 update, 5 Covert skins can become a knife or gloves from those skins' case. Each input collection gets its share of the odds (inputs from it ÷ total), split evenly across that collection's next-tier skins.
Float math
Every input float is normalized to its own skin's range — (float − min) ÷ (max − min) — and averaged. Each output's float is its min + average × (max − min), so a restricted-range skin like 0.10–0.20 can only land in the wears its range allows.
Prices, fees & freshness
Values are Steam Community Market averages from the snapshot dated on each page. Profit subtracts the ~13% Steam seller fee. StatTrak™ inputs give StatTrak™ outputs (knives only — gloves have no StatTrak™). Map collections outside weapon cases aren't in DropLabz's dataset yet.
Pick the skin you want in the reverse trade-up finder, check any contract in the trade-up calculator, or compare with opening cases on case ROI and knife odds.