Details
- Weapon
- USP-S
- Float range
- 0.00 – 0.25
- Category
- Pistols
- Paint index
- 221
- Legacy model
- No
- Pattern
- Serum
- Side
- Counter-Terrorists
- Trade-up contracts
- Eligible
Colours
Black 28%
Red 25%
Gray 22%
Other 25%
Market activity
- Liquidity
- 54 / 100
- Fair
- Popularity
- 70 / 100
- Fair
Demand 30
Cost to sell 49
Speed to sell 96
Market supply 47
Sales velocity 38
Community interest 52
Steam order book
C tier liquidity- Highest buy order
- $57.88
- Lowest sell listing
- $68.43
- Spread
- $10.5515.42%
386 buy orders 3 sell listings
Where it comes from
Renders
Field-Tested
Game files
The textures CS2 builds this skin from, extracted from the game files.
Anodized — pattern + paletteA base pattern recoloured by the palette below — same design, different colours.
Palette
Classified 
The Arms Deal 2 Collection
The Arms Deal 2 CollectionUSP-S Serum (Field-Tested)
Field-Tested
- Median
- $51.63
- 24 hours
- +0.4%
-
- 7 days
- −2.6%
-
- 30 days
- −5.0%
-
633 listings across all markets
Marketsfor USP-S | Serum (Field-Tested)
18 with a price
Skinport Lowest4 listed $46.58 Buy
DMarket— $49.34 Buy
LIS-SKINS75 listed $50.18 Buy
SkinSell60 listed $50.18 Buy
Skin.Land75 listed $50.23 Buy
Skins.com6 listed $50.93 Buy
HaloSkins70 listed $51.02 Buy
ShadowPay27 listed $51.63 Buy
24 markets without a price
C5Game Check
Ecosteam Check
ExeSkins Check
GameBoost Check
IGXE Check
iTrade.GG Check
Krakatoa Check
LootFarm Check
Mannco.Store Check
PirateSwap Check
RapidSkins Check
Rust.tm Check
Skin.Place Check
SkinBaron Check
SkinFlow Check
SkinOut Check
SkinsMonkey Check
SkinSwap Check
SkinSwap CN Check
SkinVault Check
Swap.GG Check
TradeIt.GG Check
UUSkins Check
YouPin898 Check
Price historyof USP-S | Serum
$51.63
−4.6% over 30D·median across markets
Oct 1, 2026 Oct 31, 2026
Price by float
The lowest price you can buy at, across markets, for each float. Jumps at the wear boundaries are real.
$50.91
cheapest at float 0.2000 · typical $52.92–$66.42 · 3 listings on 1 market nearby
0.150.190.230.27
Cheapest Middle half of listings Median
| Float range | Lowest price | Listings |
|---|---|---|
| FT 0.15 – 0.18 | $52.64 | |
| 0.18 – 0.22 | $51.63 | |
| 0.22 – 0.27 | $51.98 |
In short
Origin
The USP-S | Serum can be obtained by opening CS:GO Weapon Case 2. It is also part of the The Arms Deal 2 Collection collection.
Rarity
The USP-S | Serum has a Classified rarity and is categorised as Pistols, with an estimated case drop chance of 1.60%.
Availability
The cheapest USP-S | Serum (Field-Tested) is $46.58 on Skinport, with prices across 18 markets ranging up to $182.47.
Price trend
Over the last 30 days the cross-market median price of the USP-S | Serum (Field-Tested) went from $54.13 to $51.63 (−4.6%), with a low of $50.55 on Oct 28 and a high of $59.08 on Oct 7. That is −2.3% over the last 7 days. On the Steam Community Market the highest buy order is $57.88 and the lowest listing is $68.43 (386 buy orders, 3 listings).
Versions
The float value ranges from 0.00 to 0.25, available in 3 wear conditions. It also has a StatTrak™ version and a Souvenir version.
Finish Style
This USP-S features the Serum design.
Planning a contract with USP-S | Serum? Simulate output floats, odds and profit in the CS2 trade-up calculator.
Guides
Related items
From the same collection & case
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ST $20.49 – $78.11
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StatTrak™
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$163.99 – $1,090
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StatTrak™
★ Flip Knife Stained, Covert
$108.22 – $203.75
ST $124.19 – $338.65
StatTrak™
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StatTrak™
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More USP-S skins
View all USP-S skins →
StatTrak™
USP-S Printstream, Covert
$28.77 – $83.54
ST $47.58 – $228.99
SV $158.32 – $365.24
StatTrak™
USP-S Ticket to Hell, Restricted
$0.49 – $1.61
ST $0.55 – $4.49
SV $48.55 – $1,027
StatTrak™
USP-S Jawbreaker, Classified
$2.76 – $14.11
ST $6.15 – $37.63
SV $87.50 – $107.66
StatTrak™
USP-S Cortex, Classified
$2.81 – $25.22
ST $6.41 – $33.05
SV $103.64 – $106.60
StatTrak™
USP-S Cyrex, Restricted
$2.94 – $32.77
ST $3.24 – $15.37
SV $27.83 – $200.00
StatTrak™
USP-S Kill Confirmed, Covert
$51.16 – $205.03
ST $135.71 – $618.61
SV $213.20 – $1,442
StatTrak™
USP-S The Traitor, Covert
$26.93 – $77.79
ST $40.67 – $217.14
SV $195.05
StatTrak™
USP-S Silent Shot, Mil-Spec Grade
$0.21 – $1.44
ST $0.79 – $6.17
SV $18.36 – $191.96
USP-S Alpine Camo, Mil-Spec Grade
$0.25 – $0.95
SV $25.60 – $46.81
StatTrak™
USP-S PC-GRN, Mil-Spec Grade
$0.13 – $0.86
ST $0.20 – $3.00
SV $18.74 – $622.62
StatTrak™
USP-S Flashback, Restricted
$0.43 – $2.13
ST $0.93 – $2.69
SV $65.66 – $2,951
StatTrak™
USP-S Blueprint, Mil-Spec Grade
$3.31 – $81.00
ST $7.00 – $114.88
SV $32.29 – $122.60
Similar price range
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StatTrak™
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StatTrak™
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StatTrak™
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StatTrak™
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USP-S | Serum — Frequently Asked Questions
How much does the USP-S | Serum (Field-Tested) cost?
As of Oct 2026, the cheapest USP-S | Serum (Field-Tested) costs $46.58 on Skinport. CSSkinLab compares live prices across 18 CS2 marketplaces so you always see the cheapest offer first.
What is the float range of the USP-S | Serum (Field-Tested)?
The USP-S | Serum (Field-Tested) has a float range of 0.00 – 0.25. Lower floats mean less visible wear on the skin. The USP-S | Serum exists in 3 wear tiers: Factory New, Minimal Wear and Field-Tested.
Does the USP-S | Serum come in StatTrak™ or Souvenir?
Yes. The USP-S | Serum drops in both StatTrak™ (with a kill counter) and Souvenir versions, alongside the normal version. Each version trades at its own price.
Can I use the USP-S | Serum (Field-Tested) in a trade-up?
Yes. The USP-S | Serum (Field-Tested) can be used as an input in a trade-up contract: combine ten Classified skins to receive one skin of the next rarity tier. Use the CSSkinLab trade-up calculator to find the best inputs and simulate float outcomes and ROI, or work backwards from a target skin with the reverse calculator.
Where does the USP-S | Serum drop from?
The USP-S | Serum drops from the CS:GO Weapon Case 2 with an estimated drop chance of 1.60% per opening. It belongs to the The Arms Deal 2 Collection. You can also buy it directly from community marketplaces, usually for less than the cost of opening cases.
What rarity is the USP-S | Serum?
The USP-S | Serum is a Classified rarity skin. Rarity determines how often it drops and which trade-up contracts it fits into.