Aether catalyst price in OSRS — live Grand Exchange data

About Aether catalyst

In game it is examined as “A piece of the cosmos' soul? Or souls belonging to the cosmos?.” Aether catalyst is members-only, so a membership is needed to trade or use it. The base game value is 200 gp, which is what shops price from rather than what players pay.

Aether catalyst buy limit

The Grand Exchange lets one account buy 25,000 every 4 hours. That is a generous limit, so the market rather than the limit is usually what caps a position here. Filling it once costs about 9,325,000 gp at the 373 gp price recorded on 11 October 2026. The limit is per account and resets on a rolling 4-hour timer.

GE tax on Aether catalyst

Selling at 373 gp costs 7 gp in tax — 2%, rounded down, taken from the seller. A flip has to clear that before it makes anything, and it is the number most margin calculators leave out.

High alching Aether catalyst

High alchemy turns one Aether catalyst into 120 gp. That is less than the 142 gp nature rune the cast costs, so alching Aether catalyst always loses money.

How much Aether catalyst trades

Aether catalyst sees about 779.7K trades a day, which makes it heavily traded — orders at a fair price usually fill quickly. That is roughly 31 times the 25,000 buy limit.

Aether catalyst FAQ

How much is Aether catalyst in OSRS? Aether catalyst is 373 gp on the Grand Exchange as of 11 October 2026, with an insta-sell of 370 gp. The chart above is live.

What is the buy limit for Aether catalyst? 25,000 every 4 hours.

Can you high alch Aether catalyst for profit? No — the alch value is 120 gp and the nature rune alone costs 142 gp.

Do you need members for Aether catalyst? Yes, Aether catalyst is members-only.