Tec-9 | Red Quartz: trade up odds, float & price
Restricted Pistols skin from the Train Collection. Float range 0.00 – 0.40, available in Factory New, Minimal Wear, Field-Tested, Well-Worn. You can get it from a trade up of 10 Mil-Spec skins of the Train Collection with a 100% chance per contract.
Tec-9 | Red Quartz price by wear
| Wear | Float | Price | StatTrak™ | Souvenir |
|---|---|---|---|---|
| Factory New (FN) | 0.000 – 0.070 | $0.48 | — | $10.56 |
| Minimal Wear (MW) | 0.070 – 0.150 | $0.32 | — | $12.49 |
| Field-Tested (FT) | 0.150 – 0.380 | $0.32 | — | $5.54 |
| Well-Worn (WW) | 0.380 – 0.400 | $0.46 | — | $55.00 |
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 Tec-9 | Red Quartz is Minimal Wear at $0.23 on Tradeit.gg. Factory New costs $0.39, 1.7× as much. On the Steam Market the Field-Tested sells for $0.32, 39% above the cheapest marketplace listing.
How to trade up into the Tec-9 | Red Quartz
Put 10 Mil-Spec skins from the Train Collection into a trade up contract. The collection has 1 Restricted skin, so with all 10 inputs from this collection the Red Quartz has a 100% chance – it is the only Restricted skin in the collection, so the result is guaranteed. Mixing in another collection lowers the chance in proportion to the inputs you replace.
- Inputs (Mil-Spec): Desert Eagle | Urban Rubble, Sawed-Off | Amber Fade.
- Factory New result: average normalised input float ≤ 0.1750.
- Minimal Wear result: average normalised input float ≤ 0.3750.
- Output float: 0.00 + average × 0.40 – see the float guide.
Cheapest Tec-9 | Red Quartz trade ups right now
10 identical Mil-Spec inputs from the Train 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× Desert Eagle | Urban Rubble FT Mil-Spec → Restricted | $2.40 | $0.40 | -83.3% | 0.0% | Open in calculator |
| 10× Desert Eagle | Urban Rubble BS Mil-Spec → Restricted | $3.80 | $0.54 | -85.8% | 0.0% | Open in calculator |
| 10× Sawed-Off | Amber Fade MW Mil-Spec → Restricted | $3.30 | $0.40 | -87.9% | 0.0% | Open in calculator |
| 10× Desert Eagle | Urban Rubble WW Mil-Spec → Restricted | $3.50 | $0.40 | -88.6% | 0.0% | Open in calculator |
| 10× Sawed-Off | Amber Fade FN Mil-Spec → Restricted | $8.00 | $0.59 | -92.6% | 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)
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