Mithril incendiary cannonball
Ammo suited for a boat's cannon.
1,447gp
677gp
770gp
+742gp
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Price history
1 points · hover for detail
- 30D low
- 677
- 30D high
- 1,447
- Volatility
- 72.5%
Flip calculator
Includes the 2% Grand Exchange tax
+742gp
+742 per item · +109.60% ROI
- Capital required
- 677 gp
- Gross revenue
- 1,447 gp
- GE tax (2%, 28/item)
- − 28 gp
- Break-even sell
- 690 gp
Item data
- High alchemy
- 72 gp95.0% below market
- Low alchemy
- 48 gp
- Shop value
- 120 gp
- Weight
- 0 kg
- Skill / type
- Smithing
- Stack / note
- Not stackable · not noteable
- Released
- May 20, 2026
About Mithril incendiary cannonball
The Mithril incendiary cannonball is a members-only item in Old School RuneScape.
"Ammo suited for a boat's cannon"
Over the last 30 days it traded between 823 and 1,211 gp on the Grand Exchange, averaging 1,021 gp. About 7,659 units changed hands per day. The price is up 15.7% across that window. Selling one at the average price costs 20 gp in Grand Exchange tax.
Casting High Level Alchemy returns 72 gp, which is 92.9% below the 30-day average price, so alching a bought one loses money.
Mithril incendiary cannonball price history
Daily averages rolled up per month, newest first.
| Month | Average | Low | High | Volume |
|---|---|---|---|---|
| October 202612d | 983 | 823 | 1,152 | 92,512 |
| September 2026 | 1,051 | 877 | 1,434 | 256,742 |
| August 2026 | 824 | 611 | 1,238 | 285,876 |
| July 2026 | 694 | 341 | 1,394 | 211,159 |
| June 202621d | 1,096 | 306 | 1,545 | 85,722 |
| May 20261d | 284 | 284 | 284 | 12,096 |
Across 6 months of recorded prices Mithril incendiary cannonball ranged from 284 gp in May 2026 to 1,545 gp in June 2026, measured over 126 trading days.
The 30-day average of 1,021 gp sits around the middle of that range.
All prices in gp. Volume counts units traded across both sides of the Grand Exchange.
