How to flip Blood shard in OSRS

Flipping Blood shard on the Old School RuneScape Grand Exchange currently makes about 30,959 gp profit per item after the 2% GE tax: buy near 8,339,592 gp (the instant-sell price) and re-list near 8,541,378 gp (the instant-buy price).

• Buy at (instant-sell): 8,339,592 gp
• Sell at (instant-buy): 8,541,378 gp
• Margin after 2% tax: 30,959 gp (0.37% ROI)
• Buy limit per 4 hours: 8
• 24h volume: 3,246 (liquid)
• Max profit per limit cycle: 247,672 gp on 66,716,736 gp of capital

The flip, step by step

1. Place a buy offer at or just above 8,339,592 gp (the current instant-sell price).
2. Wait for the fill. Blood shard is liquid right now, so expect fills within the hour at reasonable prices.
3. Re-list at or just below 8,541,378 gp (the current instant-buy price).
4. The GE takes 170,827 gp tax (2%) per item when it sells, leaving 30,959 gp profit each.
5. Repeat up to the buy limit (8 per 4 hours), a full cycle is 247,672 gp on 66,716,736 gp of capital.

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