Mithril cannonball price in OSRS — live Grand Exchange data

About Mithril cannonball

In game it is examined as “Ammo suited for a boat's cannon.” Mithril cannonball is members-only, so a membership is needed to trade or use it. The base game value is 60 gp, which is what shops price from rather than what players pay.

Mithril cannonball buy limit

The Grand Exchange lets one account buy 11,000 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 1,518,000 gp at the 138 gp price recorded on 11 October 2026. The limit is per account and resets on a rolling 4-hour timer.

GE tax on Mithril cannonball

Selling at 138 gp costs 2 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 Mithril cannonball

High alchemy turns one Mithril cannonball into 36 gp. That is less than the 142 gp nature rune the cast costs, so alching Mithril cannonball always loses money.

How much Mithril cannonball trades

Mithril cannonball sees about 75.1K trades a day, which makes it steadily traded — an order priced at the spread normally fills the same hour. That is roughly 7 times the 11,000 buy limit.

Mithril cannonball FAQ

How much is Mithril cannonball in OSRS? Mithril cannonball is 138 gp on the Grand Exchange as of 11 October 2026, with an insta-sell of 133 gp. The chart above is live.

What is the buy limit for Mithril cannonball? 11,000 every 4 hours.

Can you high alch Mithril cannonball for profit? No — the alch value is 36 gp and the nature rune alone costs 142 gp.

Do you need members for Mithril cannonball? Yes, Mithril cannonball is members-only.