Obsidian cape

The Obsidian cape is a members-only Old School RuneScape item — “A cape of woven obsidian plates.”. Its Grand Exchange buy limit is 70 per 4 hours. Right now it buys at 525,457 gp and sells at 540,499 gp — a net margin of 4,233 gp (0.8% ROI) after the 2% Grand Exchange tax of 10,809 gp. High alchemy yields 36,000 gp.

To flip it, place a buy offer near 525,457 gp and a sell offer near 540,499 gp; the spread minus GE tax is your profit. Confidence figures are model estimates from live OSRS Wiki prices, not guarantees — flip responsibly.