USP-S | Monster Mashup: trade up odds, float & price

Classified Pistols skin from the Operation Broken Fang Collection. Float range 0.00 – 0.70, 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 Operation Broken Fang Collection with a 33.3% chance per contract.

USP-S | Monster Mashup price by wear

Wear	Float	Price	StatTrak™
Factory New (FN)	0.000 – 0.070	$65.93	$121.51
Minimal Wear (MW)	0.070 – 0.150	$32.57	$68.00
Field-Tested (FT)	0.150 – 0.380	$19.36	$32.15
Well-Worn (WW)	0.380 – 0.450	$20.73	$30.25
Battle-Scarred (BS)	0.450 – 0.700	$20.41	$28.69

Price check, 2026-11-11: the cheapest USP-S | Monster Mashup is Field-Tested at $16.27 on Tradeit.gg. Factory New costs $53.59, 3.3× as much. StatTrak™ costs 1.5–2× the normal price. On the Steam Market the Field-Tested sells for $19.36, 19% above the cheapest marketplace listing.

How to trade up into the USP-S | Monster Mashup

Put 10 Restricted skins from the Operation Broken Fang Collection into a trade up contract. The collection has 3 Classified skins, so with all 10 inputs from this collection the Monster Mashup has a 33.3% chance (the other outcomes are Five-SeveN | Fairy Tale, M4A4 | Cyber Security). Mixing in another collection lowers the chance in proportion to the inputs you replace.

Inputs (Restricted): AWP | Exoskeleton, Dual Berettas | Dezastre, Nova | Clear Polymer, SSG 08 | Parallax, UMP-45 | Gold Bismuth.
Factory New result: average normalised input float ≤ 0.1000.
Minimal Wear result: average normalised input float ≤ 0.2143.
Output float: 0.00 + average × 0.70 – see the float guide.

Cheapest USP-S | Monster Mashup trade ups right now

10 identical Restricted inputs from the Operation Broken Fang Collection at today’s prices. Every contract below has a 33.3% chance of this skin – open one to change floats, wear or fee.

Contract	Cost	EV	ROI	Chance of profit
10× UMP-45 \| Gold Bismuth StatTrak™ FN Restricted → Classified	$149.20	$170.36	+14.2%	66.7%	Open in calculator
10× UMP-45 \| Gold Bismuth FN Restricted → Classified	$191.90	$204.92	+6.8%	33.3%	Open in calculator
10× UMP-45 \| Gold Bismuth StatTrak™ BS Restricted → Classified	$35.00	$33.20	-5.1%	33.3%	Open in calculator
10× Nova \| Clear Polymer StatTrak™ WW Restricted → Classified	$36.80	$34.64	-5.9%	66.7%	Open in calculator
10× UMP-45 \| Gold Bismuth StatTrak™ FT Restricted → Classified	$43.70	$38.71	-11.4%	33.3%	Open in calculator
10× SSG 08 \| Parallax BS Restricted → Classified	$24.90	$21.49	-13.7%	0.0%	Open in calculator
10× SSG 08 \| Parallax WW Restricted → Classified	$26.00	$22.38	-13.9%	0.0%	Open in calculator
10× UMP-45 \| Gold Bismuth FT Restricted → Classified	$33.60	$24.88	-26.0%	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.

Build a contract for the USP-S | Monster Mashup
Open in the calculator (auto-builds the cheapest contract)