Iron incendiary cannonball trades around 525 gp now, 6-day range 500–500.
Flippers place a buy offer near the low and sell near the high.
“Ammo suited for a boat's cannon.”
It is a members' item.
No trades in the last 24 hours. Last traded 6 Oct 2026. Official guide price 45 gp (11 Oct 2026). With no recent trades there is no margin to show.
Daily GE guide prices from 22 May 2026 to 11 Oct 2026, from the OSRS Wiki. Data as of 11 Oct 2026.
Tax: At its guide price of 45 gp, selling one costs no tax. Items selling under 50 gp pay none, because 2% of the price rounds down to 0 gp. Tax-exempt items →
Iron incendiary cannonball has not traded on the Grand Exchange in the last 24 hours. It last traded on 6 Oct 2026. Its official guide price is 45 gp (11 Oct 2026).
The OSRS Wiki has no recorded buy limit for Iron incendiary cannonball yet, so Offerbook sizes flips on it by trade volume alone.
High alchemy turns Iron incendiary cannonball into 4 gp. Buying one at 45 gp (its guide price, as it has not traded today) and casting with a nature rune at 137 gp costs 182 gp. That is a loss of 178 gp per cast at its guide price, so it is not worth alching for profit right now.
It is not on the exempt list, but it pays no tax at its price. At its guide price of 45 gp, selling one costs no tax. Items selling under 50 gp pay none, because 2% of the price rounds down to 0 gp.
The highest daily guide price on record for Iron incendiary cannonball is 45 gp, on 13 Sept 2026. The lowest is 40 gp, on 22 May 2026.