★ M9 Bayonet | StainedField-Tested$392.30★ M9 Bayonet | Stained
Active Demand917 listings−12% vs avg
Float pricingFT$392.30
Show 4 more trading sitesShow fewer trading sites
Trend-8.3% over 30 daysTrend: -8.3% over 30 days. Open for the workings.
Today at $346.50 — 3.2% above the month's floor.
Show 19 more marketplacesShow fewer marketplaces
FT$347
FT$349
FT$359
MW$385
MW$388
MW$388
FT$370
MW$388More periods
About the ★ M9 Bayonet | Stained
From the gameIt has been given a forced patina using lemon and mustard dripped onto the surface. If you think it's messy now, wait until you see it under a blacklight.
The ★ M9 Bayonet | Stained is a Covert-grade knife in Counter-Strike 2, featuring the Stained finish on the M9 Bayonet — see All M9 Bayonet skins.
Origin
The ★ M9 Bayonet | Stained can be unboxed from the CS:GO Weapon Case, eSports 2013 Case, Operation Bravo Case, eSports 2013 Winter Case, Winter Offensive Weapon Case, Operation Phoenix Weapon Case, eSports 2014 Summer Case, Operation Vanguard Weapon Case and Revolver Case.
Rarity
The ★ M9 Bayonet | Stained is a Covert-grade knife. In a case opening, an item of this grade comes out roughly ~0.26% of the time.
Float and wear
The float value of the ★ M9 Bayonet | Stained runs from 0.00 to 1.00. Not every wear exists for it, which is why some exteriors are scarcer and priced apart. Within a wear, a lower float looks cleaner in game and usually costs more. This page is the Field-Tested copy, 0.15–0.37 on that scale.
Price
The ★ M9 Bayonet | Stained (Field-Tested) has an aggregate market price of about $392.30. It is down 3.7% over 7 days and down 8.3% over 30 days. Across wears it ranges from $347.86 (Battle-Scarred) to $520.60 (Factory New).
Availability
29 marketplaces are quoting the ★ M9 Bayonet | Stained right now. The comparison table above lists each one with its lowest price, and the cheapest is marked.
Released
The ★ M9 Bayonet | Stained first entered the game on Aug 14, 2013, when the CS:GO Weapon Case was released as part of the Arms Deal Update.
Versions
A StatTrak™ version exists, with an on-weapon kill counter. StatTrak copies are about a tenth of case drops and trade at a premium over the standard skin.
Community rating
Readers rate the ★ M9 Bayonet | Stained 4.0 out of 5 from 41 votes.
Price Analysis
Current Trend
The ★ M9 Bayonet | Stained (Field-Tested) shows a Bearish trend. -8.3% (30d).
Market Position
Trades in the mid-to-high tier range. Knives hold value well.
Traded Range
Since January 2026 it has traded between $366.29 and $472.38. Today's price is 17% below that high.
Market Comparison
Compare prices above. 5-20% differences exist due to fees. Third-party markets beat Steam's 15% fee.
Timing Insight
Prices trending down - potential buying opportunity. See charts for history.
Frequently Asked Questions
Factory New (FN) ★ M9 Bayonet | Stained skins have float values between 0.00-0.07, showing minimal to no visible wear. Minimal Wear (MW) floats range from 0.07-0.15, with slight scratches or fading. The price gap between FN and MW varies by finish — some designs like the Stained pattern hide wear better than others, making MW versions a strong value alternative.
The ★ M9 Bayonet | Stained sits in the mid-to-high price bracket. It features a distinctive Stained design that stands out in-game and maintains good trading liquidity. For players who main the M9 Bayonet, this skin offers an excellent balance of visual appeal and investment stability compared to budget alternatives.
Field-Tested covers float values from 0.15 to 0.37 on the CS2 wear scale. Within that band a lower float looks cleaner in game and usually sells for more, so two Field-Tested copies of the same skin can be priced well apart. Every listing's float is shown in the marketplace table above.
Right now the Field-Tested is quoted at about $392.30 and the Minimal Wear at about $411.44, so the Minimal Wear costs 5% more. How much of that gap is worth paying depends on the finish: wear shows first on edges and raised areas, so on some designs the cleaner wear is hard to tell apart in game. Switch wears above to compare the two side by side.
Prices for the ★ M9 Bayonet | Stained (Field-Tested) vary across marketplaces due to fees, regional pricing, and seller competition. This skin can be obtained by opening the CS:GO Weapon Case or purchased directly from third-party marketplaces. The Steam Community Market charges 15% fees, while third-party markets like Skinport, DMarket, and Buff163 offer lower prices with 2-10% fees. Compare real-time prices in the market comparison table above to find the best deal.
Investment potential depends on several factors. Knives and gloves historically hold value well due to consistent demand and limited supply. Key considerations: (1) Check the 30-day and 90-day price trends in the charts above; (2) Evaluate overall CS2 market conditions. Past performance doesn't guarantee future returns, but the ★ M9 Bayonet | Stained has maintained steady trading interest. Diversifying across multiple items typically reduces risk.
Yes, all weapon skins including the ★ M9 Bayonet | Stained are purely cosmetic and can be used in all CS2 game modes including competitive matchmaking, Premier, and professional tournaments. Skins provide no gameplay advantages or disadvantages - they only change the weapon's visual appearance. Many professional players use skins during official matches, and you'll often see high-value items like this featured in tournament broadcasts.
The ★ M9 Bayonet | Stained (Field-Tested) is currently trending downward. Over the past 7 days, the price has decreased by 3.7%, and over the past 30 days it has dropped 8.3%. Price drops can result from new case releases flooding the market, seasonal fluctuations, or shifts in player preferences. This could represent a buying opportunity if you believe the skin will recover. Review the price history chart above for long-term context.
The ★ M9 Bayonet | Stained (Field-Tested) has averaged $589.97 over the past 60 days, against $637.74 over 90 days, $620.83 over 180 days and $566.09 over 360 days. It currently trades at $392.30, 30.7% below its 360-day average. Longer averages smooth out the day-to-day noise of individual listings, so they describe what the ★ M9 Bayonet | Stained is actually worth better than any single asking price does. Compare them against the live figures in the marketplace table above.
The in-game description reads: "It has been given a forced patina using lemon and mustard dripped onto the surface. If you think it's messy now, wait until you see it under a blacklight." Knife skins in CS2 are among the rarest cosmetics, and the Stained design is particularly valued for its visual identity.
Based on our real-time price comparison across 40+ marketplaces, CSFloat currently has the lowest price for the ★ M9 Bayonet | Stained (Field-Tested) at $346.50. However, prices change frequently as sellers list and buyers purchase. We recommend checking the marketplace comparison table above for the most current prices, and remember to factor in each marketplace's fees when comparing total costs.
Have this skin? Check its exact float value, paint seed and sticker wear with the free CS2 Inspect tool — instant 3D preview, no game needed.
































