Diabolic worms price in OSRS — live Grand Exchange data

About Diabolic worms

In game they are examined as “Their subtle, pulsing glow would be great for catching anglerfish.” Diabolic worms are members-only, so a membership is needed to trade or use them. The base game value is 90 gp, which is what shops price from rather than what players pay.

Diabolic worms buy limit

The Grand Exchange lets one account buy 8,000 every 4 hours. That is enough to build a real position inside a day. Filling it once costs about 14,488,000 gp at the 1,811 gp price recorded on 11 October 2026. The limit is per account and resets on a rolling 4-hour timer.

GE tax on Diabolic worms

Selling at 1,811 gp costs 36 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 Diabolic worms

High alchemy turns Diabolic worms into 54 gp. That is less than the 142 gp nature rune the cast costs, so alching Diabolic worms always loses money.

How much Diabolic worms trade

Diabolic worms see about 37.3K trades a day, which makes them steadily traded — an order priced at the spread normally fills the same hour. That is roughly 5 times the 8,000 buy limit.

Diabolic worms FAQ

How much are Diabolic worms in OSRS? Diabolic worms are 1,811 gp on the Grand Exchange as of 11 October 2026, with an insta-sell of 1,805 gp. The chart above is live.

What is the buy limit for Diabolic worms? 8,000 every 4 hours.

Can you high alch Diabolic worms for profit? No — the alch value is 54 gp and the nature rune alone costs 142 gp.

Do you need members for Diabolic worms? Yes, Diabolic worms are members-only.