Stained forces a patina onto the M9 Bayonet by dripping lemon and mustard across the steel, leaving a mottled, reactive discoloration rather than a printed graphic. The organic, blotchy result varies from blade to blade on this Covert knife.
Across 27 markets the WW floor moved +4.3% in 22 days: $364.14 → $379.75.
Cheapest venue vs Steam right now: $531.88 apart (58%).
Sources: Valve item data · our 27-market price snapshot.
How much does M9 Bayonet (Stained) cost?
M9 Bayonet (Stained) starts at $379.75 across 27 marketplaces in our comparison, buyer fees included. Current floors by wear: FN $593.04 · MW $420.21 · FT $398.65 · WW $379.75 · BS $379.00. Steam asks $911.63 for the same listing.
Where can I sell or cash out M9 Bayonet (Stained)?
Top net quote at the moment: $330.26 via DMarket, seller fee already deducted (see the Sell tab for every venue). Steam credits $630.04 to your wallet, and wallet money cannot be withdrawn.
Does M9 Bayonet (Stained) come in StatTrak or Souvenir?
Yes: StatTrak (from $379.75) versions trade alongside the standard one. Switch with the Quality pills above and the whole page recalculates.
How do I get M9 Bayonet (Stained)?
Two routes: open CS:GO Weapon Case (trading from $116.90) and gamble on the odds, or pay $379.75 for the skin itself on the markets above. The direct buy is nearly always the cheaper path.
CS:GO Weapon Case
Inspect a WW copy in game 
