How to flip Voidwaker in OSRS

Flipping Voidwaker on the Old School RuneScape Grand Exchange currently makes about -280,971 gp profit per item after the 2% GE tax: buy near 37,658,171 gp (the instant-sell price) and re-list near 38,140,000 gp (the instant-buy price).

• Buy at (instant-sell): 37,658,171 gp
• Sell at (instant-buy): 38,140,000 gp
• Margin after 2% tax: -280,971 gp (-0.75% ROI)
• Buy limit per 4 hours: 70
• 24h volume: 1,357 (liquid)
• Max profit per limit cycle: -19,667,970 gp on 2,636,071,970 gp of capital

The flip, step by step

1. Place a buy offer at or just above 37,658,171 gp (the current instant-sell price).
2. Wait for the fill. Voidwaker is liquid right now, so expect fills within the hour at reasonable prices.
3. Re-list at or just below 38,140,000 gp (the current instant-buy price).
4. The GE takes 762,800 gp tax (2%) per item when it sells, leaving -280,971 gp profit each.
5. Repeat up to the buy limit (70 per 4 hours), a full cycle is -19,667,970 gp on 2,636,071,970 gp of capital.

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