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Wiki› CS2› SMGs› MP9 | Deadly Poison (Well-Worn)
MP9 | Deadly Poison (Well-Worn)
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MP9 | Deadly Poison (Well-Worn)

CS2 Mil-Spec Grade SMGs Discontinued

MP9 | Deadly Poison (Well-Worn) — Manufactured in Switzerland, the cutting-edge MP9 SMG is an ergonomic polymer weapon favored by private security firms. It has been custom painted with dynamic, angular shapes and a stylized spider.\n\nIt's not the first bite that kills you, it's the 29 that come after

Best price
$0.340 ▼ -27.7% 24h

Hidden value

Median
$0.600 · 6
24h change
▼ -27.7%
7d change
▼ -24.4%
30d change
▲ +0.0%
30d range
$0.300 – $0.620
All-time high
$0.630
All-time low
$0.290
Liquidity
medium

Real sales Skinport · median & volume sold

30d
$0.340 · 6 sold
90d
$0.340 · 9 sold

Variants

WearNormalStatTrak™
Factory New FN · 0.00–0.07 $7.46 $4.58
Minimal Wear MW · 0.07–0.15 $0.776 $1.29
Field-Tested FT · 0.15–0.38 $0.560 $0.610
Well-Worn WW · 0.38–0.45 $0.340 $0.410
Battle-Scarred BS · 0.45–1.00 $0.350 $0.400

About

Discontinued No new supply — secondary market only
Categorysmg
CollectionThe Chroma Collection
CaseChroma Case
Float range (FN / MW / FT / WW / BS)
FNMWFTWWBS
0.01.0
Floats of current listings →
Drag the float — see the wear tier and its price
float 0.0 — · —
Inspect a specific item by its inspect link

Right now it goes for $0.340 to $0.650 across 6 marketplaces — a 91.2% spread. Liquidity is moderate: 6 sales a day — selling at market price takes days, not hours.

We track 5 wear levels of this skin. The cheapest is WW at $0.340, the priciest is FN at $7.46 — a 21.9x difference for the very same artwork, the wear is all that changes. The StatTrak version of the same wear costs 21% more — the kill counter is priced separately. Over the past 30 days the price stayed between $0.300 and $0.620. The all-time high is $0.630, the low is $0.290. Float for this skin runs from 0.0 to 1.0 (the range of the whole skin, not of a single wear): the lower the number, the cleaner the finish, and copies at the edge of the range are valued separately.

The skin comes in all five wears, from Factory New to Battle-Scarred, so the choice is always between a clean finish and a lower price.

Marketplace prices
ⓘ

MP9 | Deadly Poison (Well-Worn) is listed on 5 marketplaces. The most you keep is on lis: $0.650 minus a ~9.7% fee leaves $0.590 net. The least you keep is on skinport: $0.340 minus a 8.0% fee leaves $0.310. The $0.280 gap comes from both different listing prices and different fees; a large gap usually means the listings differ in wear or condition, so check the item itself before selling.

Fees are the marketplaces' standard seller rates; Steam's 15% is charged on the seller's amount, so the net is the price divided by 1.15. Volume discounts, promo codes and regional specifics are not included, and Steam proceeds stay in the Steam wallet.

A rate marked with a tilde (~) is our own estimate, not a published figure: it is derived by comparing the marketplace's own buy and sell prices. The real cut varies from item to item and is usually worse on cheap listings.

Marketplace Price Listings Updated Fee You get Cash out
skinportSkinport best price $0.340 77 2026-11-07 04:32 8.0% $0.310 to card To market ↗
waxpeerWaxpeer $0.368 — 2026-11-07 04:53 6.0% $0.350 to card To market ↗
marketcsgoMarket.TM $0.391 — 2026-11-07 04:53 5.0% $0.370 to card To market ↗
lootfarmLoot.Farm $0.480 — 2026-11-07 04:53 — — fee not on file To market ↗
steamSteam $0.600 79 2026-11-07 01:02 15.0% $0.520 Steam wallet only To market ↗
lisLis-Skins $0.650 33 2026-11-07 04:53 ~9.7% $0.590 to card To market ↗

30-day price history

min — · max — — average · ┄ min

Similar items

MP9 | Buff Blue (Factory New) MP9 | Buff Blue (Factory New) $0.048 MP9 | Food Chain (Field-Tested) MP9 | Food Chain (Field-Tested) $3.18 MP9 | Starlight Protector (Field-Tested) MP9 | Starlight Protector (Field-Tested) $51.74 MP9 | Mount Fuji (Field-Tested) MP9 | Mount Fuji (Field-Tested) $4.46 MP9 | Mount Fuji (Minimal Wear) MP9 | Mount Fuji (Minimal Wear) $7.68 MP9 | Cobalt Paisley (Factory New) MP9 | Cobalt Paisley (Factory New) $0.800 MP9 | Arctic Tri-Tone (Factory New) MP9 | Arctic Tri-Tone (Factory New) $4.27 MP9 | Food Chain (Minimal Wear) MP9 | Food Chain (Minimal Wear) $5.27
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