How to flip Pegasian crystal in OSRS

Flipping Pegasian crystal on the Old School RuneScape Grand Exchange currently makes about 2,556 gp profit per item after the 2% GE tax: buy near 100,005 gp (the instant-sell price) and re-list near 104,654 gp (the instant-buy price).

• Buy at (instant-sell): 100,005 gp
• Sell at (instant-buy): 104,654 gp
• Margin after 2% tax: 2,556 gp (2.56% ROI)
• Buy limit per 4 hours: 15
• 24h volume: 198 (moderately traded)
• Max profit per limit cycle: 38,340 gp on 1,500,075 gp of capital

The flip, step by step

1. Place a buy offer at or just above 100,005 gp (the current instant-sell price).
2. Wait for the fill. Pegasian crystal is moderately traded right now, so fills can take an hour or more, patience pays here.
3. Re-list at or just below 104,654 gp (the current instant-buy price).
4. The GE takes 2,093 gp tax (2%) per item when it sells, leaving 2,556 gp profit each.
5. Repeat up to the buy limit (15 per 4 hours), a full cycle is 38,340 gp on 1,500,075 gp of capital.

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