
M4A1-S | Stratosphere: trade up odds, float & price
Classified Rifles skin from the Ascent Collection. Float range 0.00 – 0.80, available in Factory New, Minimal Wear, Field-Tested, Well-Worn, Battle-Scarred. You can get it from a trade up of 10 Restricted skins of the Ascent Collection with a 100% chance per contract.
M4A1-S | Stratosphere price by wear
| Wear | Float | Price | StatTrak™ | Souvenir |
|---|---|---|---|---|
| Factory New (FN) | 0.000 – 0.070 | $31.42 | — | — |
| Minimal Wear (MW) | 0.070 – 0.150 | $10.65 | — | — |
| Field-Tested (FT) | 0.150 – 0.380 | $4.06 | — | — |
| Well-Worn (WW) | 0.380 – 0.450 | $4.08 | — | — |
| Battle-Scarred (BS) | 0.450 – 0.800 | $2.96 | — | $103.18 |
Souvenir = the Souvenir version of this skin, same price rule as the Price column. Souvenir prices depend on the stickers the item carries, so this is a floor, not the price of a particular item.
Price check, 2026-11-11: the cheapest M4A1-S | Stratosphere is Battle-Scarred at $2.62 on Tradeit.gg. Factory New costs $25.33, 9.7× as much. On the Steam Market the Field-Tested sells for $4.06, 32% above the cheapest marketplace listing.
How to trade up into the M4A1-S | Stratosphere
Put 10 Restricted skins from the Ascent Collection into a trade up contract. The collection has 1 Classified skin, so with all 10 inputs from this collection the Stratosphere has a 100% chance – it is the only Classified skin in the collection, so the result is guaranteed. Mixing in another collection lowers the chance in proportion to the inputs you replace.
- Inputs (Restricted): AK-47 | Midnight Laminate, USP-S | Royal Guard.
- Factory New result: average normalised input float ≤ 0.0875.
- Minimal Wear result: average normalised input float ≤ 0.1875.
- Output float: 0.00 + average × 0.80 – see the float guide.
Cheapest M4A1-S | Stratosphere trade ups right now
10 identical Restricted inputs from the Ascent Collection at today’s prices. Every contract below has a 100% chance of this skin – open one to change floats, wear or fee.
| Contract | Cost | EV | ROI | Chance of profit | |
|---|---|---|---|---|---|
| 10× USP-S | Royal Guard FN Restricted → Classified | $58.80 | $41.49 | -29.4% | 0.0% | Open in calculator |
| 10× USP-S | Royal Guard FT Restricted → Classified | $6.90 | $4.56 | -33.9% | 0.0% | Open in calculator |
| 10× USP-S | Royal Guard BS Restricted → Classified | $6.20 | $3.66 | -41.0% | 0.0% | Open in calculator |
| 10× USP-S | Royal Guard WW Restricted → Classified | $6.50 | $3.66 | -43.7% | 0.0% | Open in calculator |
| 10× USP-S | Royal Guard MW Restricted → Classified | $33.60 | $12.98 | -61.4% | 0.0% | Open in calculator |
Steam Market prices, snapshot of 2026-09-27 (USD, before fees); the table refreshes with live prices on page load. Knives and gloves above Steam's $2,000 listing cap use the lowest marketplace price.
Open in the calculator (auto-builds the cheapest contract)