Blue moon chestplate

Blue Moon Chestplate is a members-only item on the OSRS Grand Exchange in the armour category.

In-game examine text: "The chestplate of the Blue Moon."

It has a Grand Exchange buy limit of 15 every four hours, a high alchemy value of 174.0k gp, and item ID 29013.

View on OSRS Wiki

Blue Moon Chestplate shows an active flip setup with a margin of +11.2k gp and 731 trades over the last 24 hours.

At the buy limit of 15 every four hours, max profit per cycle is about 168.6k gp — high margin with healthy liquidity.