How to flip Spiked manacles in OSRS

Flipping Spiked manacles on the Old School RuneScape Grand Exchange currently makes about 12,544 gp profit per item after the 2% GE tax: buy near 270,794 gp (the instant-sell price) and re-list near 289,120 gp (the instant-buy price).

• Buy at (instant-sell): 270,794 gp
• Sell at (instant-buy): 289,120 gp
• Margin after 2% tax: 12,544 gp (4.63% ROI)
• Buy limit per 4 hours: 8
• 24h volume: 1,001 (liquid)
• Max profit per limit cycle: 100,352 gp on 2,166,352 gp of capital

The flip, step by step

1. Place a buy offer at or just above 270,794 gp (the current instant-sell price).
2. Wait for the fill. Spiked manacles is liquid right now, so expect fills within the hour at reasonable prices.
3. Re-list at or just below 289,120 gp (the current instant-buy price).
4. The GE takes 5,782 gp tax (2%) per item when it sells, leaving 12,544 gp profit each.
5. Repeat up to the buy limit (8 per 4 hours), a full cycle is 100,352 gp on 2,166,352 gp of capital.

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