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OSRS Grand Exchange

Muddy key

Muddy key icon
Muddy key
F2P F Buy limit: 11,000 per 4 hours
Live flip margin +491 GP
6.9% ROI per flip · up to 5.40M GP per buy-limit cycle
Track Muddy key live in GE IQ → Free · Updates every 2 minutes · No signup needed

If you bought your full buy limit on Muddy key right now, you'd clear roughly 5.40M GP after the 2% GE tax. That's the ceiling. The actual margin shifts every few minutes, especially after Wednesday updates and weekend supply spikes.

It looks like the key to a chest. Tradeable on F2P accounts too. Buy limit 11,000 per 4 hours. A 2% Grand Exchange tax applies to sales, capped at 5,000,000 GP per item.

How Muddy key trades on the Grand Exchange

A very high buy limit means one full cycle can move a lot of capital, so the margin per unit does not need to be large for the flip to be worth doing. It is F2P tradeable, so both F2P and members accounts can see and trade it.

Live flip margin

Buy at
7,103
Sell at
7,748
Margin (after tax)
+491
ROI
+6.9%
Daily volume
120
Profit per limit
5.40M
High alch
48
Flip grade
F
Margin stability
-

Don't miss the next move on Muddy key

The margin can swing 30% within an hour after an OSRS update or a weekend supply shift. Set a price alert in GE IQ and you'll get pinged the second it crosses your target, no manual checking needed.

Set up an alert for Muddy key →

Prices snapshot from the official RuneScape Wiki API. Refreshed at build time: Sat, 01 Aug 2026 08:16:42 GMT. Open the tool for live prices that refresh every two minutes.

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GE IQ is a single-page tool that grades every OSRS flip in real time. Built by a flipper, for flippers. Muddy key is one of thousands you can track, alert on, and stack in your portfolio.

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