Muddy key
If you bought your full buy limit on Muddy key right now, you'd clear roughly 4.55M 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. Over the last hour its margin has held fairly steady.
Live flip margin
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.
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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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