Vampyre dust

Vampyre Dust is a members-only item on the OSRS Grand Exchange in the other category.

In-game examine text: "That used to be a vampyre!"

It has a Grand Exchange buy limit of 11,000 every four hours, a high alchemy value of 1 gp, and item ID 3325.

View on OSRS Wiki

Vampyre Dust currently has a flip margin of −14 gp, which isn't profitable to flip right now despite 56,394 trades over the last 24 hours.

Items with negative or zero margins like this are better watched than actively flipped until the spread widens.