How to Trade Up to AK-47 | Bloodsport
AK-47 | Bloodsport drops from Spectrum CaseSpectrum Case, Spectrum Case, Spectrum Case, Spectrum Case, Spectrum Case, Spectrum Case, Spectrum Case, Spectrum Case, Spectrum Case, Spectrum Case, Spectrum Case, Spectrum Case, Spectrum Case, Spectrum Case, so any contract that can produce it needs 10 Classified skins from those same cases. Here is what the contract costs, what else it can land on, and the input float you need for each exterior.
- Odds per contract
- 50% 1 in 2
- Contract cost from
- $11690.00 10× cheapest input
- Expected value
- $11256.50 mean of the outcome pool
- Margin
- -3.7% $-433.50 per contract
This contract is EV-negative. The cheapest ten inputs cost $11690.00 and the outcome pool averages $11256.50, so it loses $433.50 per contract on average even before you account for hitting the wrong skin.
The contract
Ten inputs, all Classified, all from Spectrum CaseSpectrum Case or Spectrum Case or Spectrum Case or Spectrum Case or Spectrum Case or Spectrum Case or Spectrum Case or Spectrum Case or Spectrum Case or Spectrum Case or Spectrum Case or Spectrum Case or Spectrum Case or Spectrum Case. Concentrating every input in one case is what keeps your odds at 50% — mixing cases splits the probability across both pools and lowers your chance at AK-47 | Bloodsport specifically.
M4A1-S | Decimator
CZ75-Auto | Xiangliu
CZ75-Auto | Xiangliu
AWP | Fever Dream
CZ75-Auto | Xiangliu
AWP | Fever Dream
M4A1-S | Decimator
AWP | Fever Dream
CZ75-Auto | Xiangliu
AWP | Fever Dream
M4A1-S | Decimator
M4A1-S | Decimator3 further eligible inputs are available — open the reverse trade-up calculator to price a full contract against your own inventory.
What else this contract can land on
A contract from Spectrum CaseSpectrum Case / Spectrum Case / Spectrum Case / Spectrum Case / Spectrum Case / Spectrum Case / Spectrum Case / Spectrum Case / Spectrum Case / Spectrum Case / Spectrum Case / Spectrum Case / Spectrum Case / Spectrum Case draws uniformly from every Covert Rifle skin in the pool, so AK-47 | Bloodsport is one of 2 equally likely results. These are the other 1.
| Outcome | Odds | Cheapest price |
|---|---|---|
| AK-47 | Bloodsportyour target | 50% | $12206.00 |
| USP-S | Neo-Noir | 50% | $10307.00 |
Input float for each exterior
CS2 normalises float across a trade-up: each input’s float becomes a 0–1 position inside its own range, those are averaged, and the average is applied to AK-47 | Bloodsport’s range of 0.00–0.45. To land a given exterior, your ten inputs must average the normalised float below.
| Target exterior | Output float | Required avg. input float |
|---|---|---|
| Factory New | 0.0350 | 0.0778 |
| Minimal Wear | 0.1100 | 0.2444 |
| Field-Tested | 0.2650 | 0.5889 |
| Well-Worn | 0.4150 | 0.9222 |
| Battle-Scarred | — | not reachable |
“Not reachable” means AK-47 | Bloodsport’s own float range never enters that exterior band — no combination of inputs can produce it.
What AK-47 | Bloodsport is worth right now
Worth comparing against the contract cost above before you commit: buying the skin outright is frequently cheaper than rolling for it.
| Exterior | Price | vs. contract cost |
|---|---|---|
| Field-Tested | $12206.00 | +$516.00 |
| Well-Worn | $12268.00 | +$578.00 |
| Minimal Wear | $13741.00 | +$2051.00 |
| Factory New | $16094.00 | +$4404.00 |
Build this contract
Price a full ten-slot contract against live inputs, set your own float values, and see the outcome odds update as you go.