Rune cannonball
Ammo suited for a boat's cannon.
685gp
684gp
1gp
-12gp
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—
Price history
1 points · hover for detail
Volume · units traded
- 30D low
- 684
- 30D high
- 685
- Volatility
- 0.1%
Flip calculator
Includes the 2% Grand Exchange tax
-12gp
-12 per item · -1.75% ROI
Tax puts break-even at 697 gp.
- Capital required
- 684 gp
- Gross revenue
- 685 gp
- GE tax (2%, 13/item)
- − 13 gp
- Break-even sell
- 697 gp
Item data
- High alchemy
- 840 gp22.6% above market
- Low alchemy
- 560 gp
- Shop value
- 1,400 gp
- Weight
- 0 kg
- Skill / type
- Smithing
- Stack / note
- Not stackable · not noteable
- Released
- Nov 19, 2025
About Rune cannonball
The Rune 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 682 and 694 gp on the Grand Exchange, averaging 689 gp. About 647,855 units changed hands per day. The Grand Exchange buy limit is 11,000 every 4 hours. Selling one at the average price costs 13 gp in Grand Exchange tax.
Casting High Level Alchemy returns 840 gp, which is 21.9% above the 30-day average price, so buying and alching it covers its own cost before the nature rune.
How to get Rune cannonball
19 monsters drop Rune cannonball, most commonly Orca (5/92), Shellbane gryphon (6/128) and Great white shark (4/100). Only Port Roberts Cannonball Stall sells it.
Dropped by
| Monster | Rarity | Quantity |
|---|---|---|
| Orca | 5/92 | 24–42 |
| Shellbane gryphon | 6/128 | 20–30 |
| Great white shark | 4/100 | 24–36 |
| Veiled kraken | 10/272 | 80–100 |
| Armoured kraken | 4/119 | 24–36 |
| Narwhal | 2/60 | 30–42 |
| Vampyre kraken | 4/120 | 48–60 |
| Cannonball stall | 8/256 | 1 |
| Frost dragon | 4/130 | 20–35 |
| Martial salvage | 50/2,440 | 2–4 |
| Fremennik salvage | 50/2,670 | 2–5 |
| Spined kraken | 2/109 | 18–24 |
| Aquanite | 2/128 | 14–22 |
| Elder aquanite | 1/64 | 14–22 |
| Plundered salvage | 10/1,036 | 2–4 |
| Lava Strykewyrm | 1/128 | 9–14 |
| Magma strykewyrm | 1/128 | 9–14 |
| Opulent salvage | 3/424 | 2–5 |
| Large port reward bag | Unknown | 49–60 |
Sold in shops
| Shop | Price | Stock |
|---|---|---|
| Port Roberts Cannonball Stall | 3,500 gp | 0 |
Rune cannonball price history
Daily averages rolled up per month, newest first.
| Month | Average | Low | High | Volume |
|---|---|---|---|---|
| October 202612d | 688 | 682 | 691 | 8,857,945 |
| September 2026 | 690 | 682 | 698 | 17,679,520 |
| August 2026 | 692 | 687 | 702 | 23,493,957 |
| July 2026 | 690 | 672 | 712 | 29,725,774 |
| June 202621d | 761 | 680 | 879 | 18,389,633 |
| May 20262d | 685 | 682 | 687 | 1,169,447 |
| April 20261d | 701 | 701 | 701 | 395,809 |
| March 2026 | 732 | 660 | 772 | 9,919,907 |
| February 2026 | 739 | 714 | 775 | 888,313 |
| January 2026 | 926 | 710 | 1,004 | 17,856 |
Across 10 months of recorded prices Rune cannonball ranged from 660 gp in March 2026 to 1,004 gp in January 2026, measured over 218 trading days.
The 30-day average of 689 gp sits in the lower third of that range.
All prices in gp. Volume counts units traded across both sides of the Grand Exchange.
