Adamant knife(p)

The Adamant knife(p) is a members-only Old School RuneScape item — “A finely balanced throwing knife.”. Its Grand Exchange buy limit is 11,000 per 4 hours. Right now it buys at 628 gp and sells at 697 gp — a net margin of 56 gp (8.9% ROI) after the 2% Grand Exchange tax of 13 gp. High alchemy yields 39 gp.

To flip it, place a buy offer near 628 gp and a sell offer near 697 gp; the spread minus GE tax is your profit. Confidence figures are model estimates from live OSRS Wiki prices, not guarantees — flip responsibly.