How to flip Obsidian platebody in OSRS

Flipping Obsidian platebody on the Old School RuneScape Grand Exchange currently makes about -8,646 gp profit per item after the 2% GE tax: buy near 872,222 gp (the instant-sell price) and re-list near 881,199 gp (the instant-buy price).

• Buy at (instant-sell): 872,222 gp
• Sell at (instant-buy): 881,199 gp
• Margin after 2% tax: -8,646 gp (-0.99% ROI)
• Buy limit per 4 hours: 70
• 24h volume: 646 (moderately traded)
• Max profit per limit cycle: -605,220 gp on 61,055,540 gp of capital

The flip, step by step

1. Place a buy offer at or just above 872,222 gp (the current instant-sell price).
2. Wait for the fill. Obsidian platebody is moderately traded right now, so fills can take an hour or more, patience pays here.
3. Re-list at or just below 881,199 gp (the current instant-buy price).
4. The GE takes 17,623 gp tax (2%) per item when it sells, leaving -8,646 gp profit each.
5. Repeat up to the buy limit (70 per 4 hours), a full cycle is -605,220 gp on 61,055,540 gp of capital.

Margins move constantly. Re-check the live Obsidian platebody numbers and price chart on GrandExchange.com right before committing.