Abyssal dagger (p+)

The Abyssal dagger (p+) is a members-only Old School RuneScape item — “Something sharp and very poisonous from the body of a defeated Abyssal Sire.”. Its Grand Exchange buy limit is 8 per 4 hours. Right now it buys at 800,000 gp and sells at 1,365,000 gp — a net margin of 537,700 gp (67.2% ROI) after the 2% Grand Exchange tax of 27,300 gp. High alchemy yields 69,001 gp.

To flip it, place a buy offer near 800,000 gp and a sell offer near 1,365,000 gp; the spread minus GE tax is your profit. Confidence figures are model estimates from live OSRS Wiki prices, not guarantees — flip responsibly.