Highest chanceBest EVBest profit odds
FN23.3% chance· $442.65
Restricted → Classified
- Cost
- $219.57
- EV
- 91%
- $200.57
- Profit
- −$45.17
- after fee
- Win %
- 23%
- to profit
Avg float ≤ 0.056 (needs < 0.057)7 outcomesThin / unstable prices
Reverse trade-up finder
Trade up to Five-SeveN | Fairy Tale
10 Restricted skins from the Operation Broken Fang Case collection can become Five-SeveN | Fairy Tale. Pick a wear to see every realistic route, its odds, cost and the input float it needs.
Prices as of Oct 27, 2026Steam Community Market averages · snapshot 2026-10-27 10:25 UTC
Factory New Five-SeveN | Fairy Tale needs an average normalized input float below 0.0568 (output float 0.020–0.070). Best chance per contract: 23.3%.
- Cost
- $244.06
- EV
- 82%
- $199.22
- Profit
- −$70.83
- after fee
- Win %
- 23%
- to profit
Avg float ≤ 0.055 (needs < 0.057)6 outcomesThin / unstable prices
- Cost
- $456.75
- EV
- 55%
- $250.43
- Profit
- −$238.98
- after fee
- Win %
- 0%
- to profit
Avg float ≤ 0.056 (needs < 0.057)6 outcomesSome thin prices
- Cost
- $504.18
- EV
- 41%
- $205.50
- Profit
- −$325.49
- after fee
- Win %
- 0%
- to profit
Avg float ≤ 0.055 (needs < 0.057)6 outcomesThin / unstable prices
- Cost
- $270.28
- EV
- 61%
- $163.75
- Profit
- −$127.89
- after fee
- Win %
- 13%
- to profit
Avg float ≤ 0.055 (needs < 0.057)6 outcomesSome thin prices
- Cost
- $154.59
- EV
- 43%
- $65.75
- Profit
- −$97.42
- after fee
- Win %
- 7%
- to profit
Avg float ≤ 0.055 (needs < 0.057)7 outcomesSome thin prices
Required input float for each Five-SeveN | Fairy Tale wear
| Wear | Output float | Avg normalized input float | Cheapest route | Best chance |
|---|---|---|---|---|
| Factory New | 0.020–0.070 | < 0.0568 | $154.59 | 23.3% |
| Minimal Wear | 0.070–0.150 | ≥ 0.0568 and < 0.1477 | no priced route | — |
| Field-Tested | 0.150–0.380 | ≥ 0.1477 and < 0.4091 | $8.39 | 33.3% |
| Well-Worn | 0.380–0.450 | ≥ 0.4091 and < 0.4886 | no priced route | — |
| Battle-Scarred | 0.450–0.900 | ≥ 0.4886 and any | $8.80 | 33.3% |
The average is over every input's float normalized to its own range. Output float = 0.02 + average × 0.88.
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.