Mithril incendiary cannonball
Ammo suited for a boat's cannon.
Mithril incendiary cannonball is a members-only item on the OSRS Grand Exchange. The latest high price is 542 GP (33m ago) and the low price is 677 GP (3d ago). Buying at the low price and selling at the high price would lose 145 GP per item after the 2% tax (-21.42% of the buy price). Buying one at the low price and casting High Alchemy with a nature rune would lose 769 GP. 14,759 were traded in the last 24 hours.
| High | 542 GP () |
|---|---|
| Low | 677 GP () |
| Tax | 10 GP |
| Margin | -145 GP |
| ROI | -21.42% |
| High alchemy | 72 GP |
Buy price (insta-sell / low): 677 GP
Sell price (insta-buy / high): 542 GP
Margin after tax: -145 GP per unit. Grand Exchange tax on a sale is 10 GP.
- Members-only item
- High alchemy value: 72 GP
- Low alchemy value: 48 GP
- Base value: 120 GP
Mithril incendiary cannonball price history
- Over the past 7 days, the average high ranged from 378 GP to 654 GP across 7 hourly samples. From 2026-11-01 UTC to 2026-11-08 UTC, it moved from 399 GP to 542 GP (+143 GP, +35.84%).
- Over the past 30 days, the average high ranged from 378 GP to 1,447 GP across 16 hourly samples. From 2026-10-12 UTC to 2026-11-08 UTC, it moved from 1,447 GP to 542 GP (-905 GP, -62.54%).
- Over the past 90 days, the average high ranged from 378 GP to 1,500 GP across 48 hourly samples. From 2026-08-14 UTC to 2026-11-08 UTC, it moved from 714 GP to 542 GP (-172 GP, -24.09%).
- Over the past 90 days, the highest average high was 1,500 GP on 2026-09-16 UTC, and the lowest was 378 GP on 2026-11-08 UTC.
As of 2026-11-08 UTC. See this week's market summary.
To cite this page: QuantScapers, "Mithril incendiary cannonball price history", based on OSRS Wiki real-time price data through 2026-11-08 UTC. Calculations by QuantScapers.
Is Mithril incendiary cannonball a members-only item?
Mithril incendiary cannonball is a members-only item and requires OSRS membership to trade.
What is Mithril incendiary cannonball's current buy and sell price?
At the latest update, Mithril incendiary cannonball's insta-sell (low) price is 677 GP and its insta-buy (high) price is 542 GP on the Grand Exchange.
How much Grand Exchange tax applies to Mithril incendiary cannonball?
A sale of Mithril incendiary cannonball pays the standard 2% Grand Exchange tax, which is 10 GP per unit at the current price.