How to flip Robin Hood hat in OSRS

Flipping Robin Hood hat on the Old School RuneScape Grand Exchange currently makes about -13,800 gp profit per item after the 2% GE tax: buy near 1,404,104 gp (the instant-sell price) and re-list near 1,418,677 gp (the instant-buy price).

• Buy at (instant-sell): 1,404,104 gp
• Sell at (instant-buy): 1,418,677 gp
• Margin after 2% tax: -13,800 gp (-0.98% ROI)
• Buy limit per 4 hours: 8
• 24h volume: 641 (moderately traded)
• Max profit per limit cycle: -110,400 gp on 11,232,832 gp of capital

The flip, step by step

1. Place a buy offer at or just above 1,404,104 gp (the current instant-sell price).
2. Wait for the fill. Robin Hood hat is moderately traded right now, so fills can take an hour or more, patience pays here.
3. Re-list at or just below 1,418,677 gp (the current instant-buy price).
4. The GE takes 28,373 gp tax (2%) per item when it sells, leaving -13,800 gp profit each.
5. Repeat up to the buy limit (8 per 4 hours), a full cycle is -110,400 gp on 11,232,832 gp of capital.

Margins move constantly. Re-check the live Robin Hood hat numbers and price chart on GrandExchange.com right before committing.