Binding necklace

Binding Necklace is a members-only item on the OSRS Grand Exchange in the other category.

In-game examine text: "A necklace embedded with mystical power."

It has a Grand Exchange buy limit of 10,000 every four hours, a high alchemy value of 855 gp, and item ID 5521.

View on OSRS Wiki

Binding Necklace shows an active flip setup with a margin of +20 gp and 89,560 trades over the last 24 hours.

At the buy limit of 10,000 every four hours, max profit per cycle is about 200.0k gp — high margin with healthy liquidity.