How much does MP9 | Spy Prototype (Field-Tested) cost?

The lowest price is $0.26 on CSFloat; the highest we track is $0.41. That is a 57% spread between markets.

What is the float range of Field-Tested?

From 0.15 to 0.38. The skin's full range is 0–1.

Where is MP9 | Spy Prototype (Field-Tested) cheapest to buy?

Right now the best price is on CSFloat at $0.26. We compare 9 marketplaces plus Steam; prices refresh automatically.

How much can I get for MP9 | Spy Prototype (Field-Tested) instantly?

Selling into the buy order on BUFF163 nets $0.26 after the 3% fee.

How much would listing it for sale bring?

The best market is Steam: $0.41 list price, $0.35 net after fees.

Which case does MP9 | Spy Prototype drop from?

From the Spy Tech — Armory (4★), Mil-Spec Grade tier. The tier odds are 16.0%, with 4 items in the tier — roughly 4.0% for this exact skin.

Can I get MP9 | Spy Prototype (Field-Tested) via a trade-up contract?

Yes. Our database has 1 contract(s) with this outcome. The best one costs $0.95 in inputs with a 25.0% chance.

Is the MP9 | Spy Prototype (Field-Tested) price going up or down?

Over the last 48 days it rose by 44%. Low $0.18 (2026-07-25), high $0.37 (2026-07-19), based on 2109 price samples.

What floats are currently listed?

264 live listings: floats from 0.1740 to 0.3796, median 0.3117. 34 of them are below 0.225.

CS2Price › MP9 | Spy Prototype › MP9 | Spy Prototype (Field-Tested)

MP9 | Spy Prototype (Field-Tested)

MP9 | Spy Prototype (Field-Tested) is a Mil-Spec Grade CS2 skin from the Spy Tech — Armory (4★), float 0.15–0.38. Tracked on 9 markets: cheapest at $0.26 (CSFloat), highest at $0.41, a 57% spread.

MP9Mil-Spec GradeField-Tested

All prices & listings →

$0.26cheapest · CSFloat

57%spread between markets

$0.26instant sell · BUFF163

$0.35net when listed · Steam

Manufactured in Switzerland, the cutting-edge MP9 SMG is an ergonomic polymer weapon favored by private security firms. It has been custom painted using a white satin base and finished with blue designs. Results may vary

Where to buy MP9 | Spy Prototype (Field-Tested) cheapest

#	Market	Price
1	CSFloat	$0.26
2	LIS-SKINS	$0.28
3	BUFF163	$0.28
4	YouPin898	$0.28
5	CS.MONEY	$0.29
6	Skinport	$0.30
7	Waxpeer	$0.30
8	Market.CSGO	$0.32
9	Steam	$0.41

Full comparison with history, live listings and a float filter — on the MP9 | Spy Prototype (Field-Tested) comparison page.

Sell instantly: buy orders

Market	Order	You receive
Market.CSGO	$0.27 × 136	$0.26
BUFF163	$0.27	$0.26

"You receive" is net of the marketplace fee.

Where it drops from

From the Spy Tech — Armory (4★) case, Mil-Spec Grade tier. Tier odds: 16.0%; 4 item(s) in the tier, so roughly 4.0% for this exact one.

How to get it via trade-up

Our database has 1 trade-up contract(s) with this outcome. Best one: inputs cost $0.95, chance 25.0%, The Spy Tech Collection collection. The item is also used as an input in 2 contract(s).

Price history

+44%over 48 days

$0.18low · 2026-07-25

$0.37high · 2026-07-19

2,109price samples

Other wears and versions

Factory New — $2.23 Minimal Wear — $0.62 Well-Worn — $0.23 Battle-Scarred — $0.17 Souvenir Factory New — $115

All MP9 | Spy Prototype wears on one page →

All listings & prices in the app

FAQ

How much does MP9 | Spy Prototype (Field-Tested) cost?: The lowest price is $0.26 on CSFloat; the highest we track is $0.41. That is a 57% spread between markets.
What is the float range of Field-Tested?: From 0.15 to 0.38. The skin's full range is 0–1.
Where is MP9 | Spy Prototype (Field-Tested) cheapest to buy?: Right now the best price is on CSFloat at $0.26. We compare 9 marketplaces plus Steam; prices refresh automatically.
How much can I get for MP9 | Spy Prototype (Field-Tested) instantly?: Selling into the buy order on BUFF163 nets $0.26 after the 3% fee.
How much would listing it for sale bring?: The best market is Steam: $0.41 list price, $0.35 net after fees.
Which case does MP9 | Spy Prototype drop from?: From the Spy Tech — Armory (4★), Mil-Spec Grade tier. The tier odds are 16.0%, with 4 items in the tier — roughly 4.0% for this exact skin.
Can I get MP9 | Spy Prototype (Field-Tested) via a trade-up contract?: Yes. Our database has 1 contract(s) with this outcome. The best one costs $0.95 in inputs with a 25.0% chance.
Is the MP9 | Spy Prototype (Field-Tested) price going up or down?: Over the last 48 days it rose by 44%. Low $0.18 (2026-07-25), high $0.37 (2026-07-19), based on 2109 price samples.
What floats are currently listed?: 264 live listings: floats from 0.1740 to 0.3796, median 0.3117. 34 of them are below 0.225.

Collection

Prices updated: 4 min ago · 9/3/2026, 12:47:16 PM

Prices are aggregated from 11 marketplaces into our own database and refresh automatically; USD values are converted from RUB at the current central-bank rate. CS2Price does not sell items — we compare prices and compute profitable trade-up contracts. Not affiliated with Valve.