Ammo suited for a boat's cannon.
14 gp
Updated 1m ago
Iron cannonball is currently trading at 14 gp on the Grand Exchange and is up 0.0% over the last 24 hours. Current instant-buy and instant-sell prices are 13 gp and 15 gp.
Category: bars · Members only · View on OSRS Wiki
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Iron Cannonball is a members-only item on the OSRS Grand Exchange in the bars category.
In-game examine text: "Ammo suited for a boat's cannon."
It has a Grand Exchange buy limit of 11,000 every four hours, a high alchemy value of 2 gp, and item ID 31908.
Margin: 2 gp per flip
Volume: 1,136,408 trades / 24h
Buy limit: 11000 every 4 hours
Max profit/cycle: 22.0k gp
Verdict: High margin with healthy liquidity
Iron Cannonball shows an active flip setup with a margin of +2 gp and 1,136,408 trades over the last 24 hours.
At the buy limit of 11,000 every four hours, max profit per cycle is about 22.0k gp — high margin with healthy liquidity.
| Time | Buy avg | Buy vol | Sell avg | Sell vol | Margin |
|---|---|---|---|---|---|
| 12m ago(8/5/2026) | 13 | 178 | — | – | – |
| 17m ago(8/5/2026) | — | – | 15 | 20000 | – |
| 22m ago(8/5/2026) | 13 | 196 | — | – | – |
| 27m ago(8/5/2026) | 13 |
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| 164 |
| 13 |
| 164 |
| 0 |
| 32m ago(8/5/2026) | 13 | 1832 | 14 | 11 | 1 |
| 42m ago(8/5/2026) | 13 | 141 | — | – | – |
| 47m ago(8/5/2026) | 13 | 61 | 15 | 4000 | 2 |
| 52m ago(8/5/2026) | 13 | 917 | — | – | – |
| 57m ago(8/5/2026) | 13 | 1264 | — | – | – |
| 1h ago(8/5/2026) | 13 | 2122 | 15 | 1034 | 2 |
| 1h ago(8/5/2026) | 14 | 190 | — | – | – |
| 1h ago(8/5/2026) | 14 | 28 | — | – | – |