Mithril cannonball
Ammo suited for a boat's cannon.
Mithril cannonball is a members-only item on the OSRS Grand Exchange. The latest high price is 104 GP (15m ago) and the low price is 89 GP (8m ago). Buying at the low price and selling at the high price would leave 13 GP per item after the 2% tax (14.61% of the buy price). You can buy up to 11,000 every four hours. Buying one at the low price and casting High Alchemy with a nature rune would lose 217 GP. 565,575 were traded in the last 24 hours.
| High | 104 GP () |
|---|---|
| Low | 89 GP () |
| Tax | 2 GP |
| Margin | 13 GP |
| ROI | 14.61% |
| Buy limit | 11,000 every 4 hours |
| High alchemy | 36 GP |
Buy price (insta-sell / low): 89 GP
Sell price (insta-buy / high): 104 GP
Margin after tax: 13 GP per unit. Grand Exchange tax on a sale is 2 GP.
Buy limit: 11,000 every 4 hours.
The full buy limit of 11,000 Mithril cannonball costs 979,000 GP at the current buy price. Across that quantity, the after-tax margin is 143,000 GP.
- Grand Exchange buy limit: 11,000 every 4 hours
- Members-only item
- High alchemy value: 36 GP
- Low alchemy value: 24 GP
- Base value: 60 GP
Mithril cannonball price history
- Over the past 7 days, the average high ranged from 65 GP to 123 GP across 60 hourly samples. From 2026-11-01 UTC to 2026-11-08 UTC, it moved from 117 GP to 108 GP (-9 GP, -7.69%).
- Over the past 30 days, the average high ranged from 65 GP to 150 GP across 254 hourly samples. From 2026-10-09 UTC to 2026-11-08 UTC, it moved from 140 GP to 108 GP (-32 GP, -22.86%).
- Over the past 90 days, the average high ranged from 65 GP to 227 GP across 844 hourly samples. From 2026-08-10 UTC to 2026-11-08 UTC, it moved from 152 GP to 108 GP (-44 GP, -28.95%).
- Over the past 90 days, the highest average high was 227 GP on 2026-08-19 UTC, and the lowest was 65 GP on 2026-11-05 UTC.
As of 2026-11-08 UTC. See this week's market summary.
To cite this page: QuantScapers, "Mithril cannonball price history", based on OSRS Wiki real-time price data through 2026-11-08 UTC. Calculations by QuantScapers.
What is the Grand Exchange buy limit for Mithril cannonball?
You can buy up to 11,000 Mithril cannonball every 4 hours on the Grand Exchange.
Is Mithril cannonball a members-only item?
Mithril cannonball is a members-only item and requires OSRS membership to trade.
What is Mithril cannonball's current buy and sell price?
At the latest update, Mithril cannonball's insta-sell (low) price is 89 GP and its insta-buy (high) price is 104 GP on the Grand Exchange.
How much Grand Exchange tax applies to Mithril cannonball?
A sale of Mithril cannonball pays the standard 2% Grand Exchange tax, which is 2 GP per unit at the current price.
What does a full buy limit of Mithril cannonball cost?
Buying the full limit of 11,000 Mithril cannonball costs 979,000 GP at the current insta-sell price of 89 GP each.