How to flip Arcane sigil in OSRS

Flipping Arcane sigil on the Old School RuneScape Grand Exchange currently makes about 1,478,998 gp profit per item after the 2% GE tax: buy near 102,626,842 gp (the instant-sell price) and re-list near 106,230,448 gp (the instant-buy price).

• Buy at (instant-sell): 102,626,842 gp
• Sell at (instant-buy): 106,230,448 gp
• Margin after 2% tax: 1,478,998 gp (1.44% ROI)
• Buy limit per 4 hours: 5
• 24h volume: 259 (moderately traded)
• Max profit per limit cycle: 7,394,990 gp on 513,134,210 gp of capital

The flip, step by step

1. Place a buy offer at or just above 102,626,842 gp (the current instant-sell price).
2. Wait for the fill. Arcane sigil is moderately traded right now, so fills can take an hour or more, patience pays here.
3. Re-list at or just below 106,230,448 gp (the current instant-buy price).
4. The GE takes 2,124,608 gp tax (2%) per item when it sells, leaving 1,478,998 gp profit each.
5. Repeat up to the buy limit (5 per 4 hours), a full cycle is 7,394,990 gp on 513,134,210 gp of capital.

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