Question 1

Is Cosmic rune profitable to flip in OSRS right now?

Accepted Answer

Buying at 117 gp and selling at 120 gp leaves a margin of +1 gp per item after the 2% Grand Exchange tax (0.9%). Profitability depends on current volume and how quickly your orders fill.

Question 2

What is the current profit margin per Cosmic rune after GE tax?

Accepted Answer

The current margin after the 2% Grand Exchange tax is +1 gp per Cosmic rune (0.9% return on your buy price). The tax on each sale at 120 gp is 2 gp.

Question 3

How much profit can I make per 4-hour buy limit of Cosmic rune?

Accepted Answer

With the Grand Exchange buy limit of 18,000 every 4 hours, a full flip at the current margin yields about +18,000 gp per cycle — before slippage and assuming your orders fill.

Question 4

What is the estimated GP/hour flipping Cosmic rune?

Accepted Answer

Based on a live volume of 255,336 trades per hour and the current net margin, an unbottlenecked flipper can expect roughly +18,000 gp/hour (capped by the 18,000 / 4h buy limit). Real GP/h depends on competition and how patient your orders are.

Question 5

Is Cosmic rune a high-risk or low-risk flip?

Accepted Answer

With 255,336 trades per hour, Cosmic rune is a high-liquidity, low-risk flip — orders typically fill quickly and price swings are small.

Cosmic rune

AI insight

Price history

Volume history