Iron incendiary cannonball
P2PBuy limit: —·last trade 2h ago
Confidence
Confidence0%
One score blending fill chance, market volume and profit quality.
Fill chance5%
Volume0%
Profit69%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at451
Buy fills0%
Sell at549
Sell fills0%
Net / item88 (19.5%)
Est. profit / 4h1.96M
22,222 units · 5% fill confidence
Insta-sell
450
cheapest buy (full spread)
Insta-buy
550
dearest sell (full spread)
Gross margin
100
GE tax
11
2% per item, max 5M
Net margin
89
19.8% ROI
Volatility
188.0%
price noise (1h history)
How to flip the Iron incendiary cannonball
The Iron incendiary cannonball is a members-only Old School RuneScape item — “Ammo suited for a boat's cannon.”. Its Grand Exchange buy limit is effectively unlimited. Right now it buys at 450 gp and sells at 550 gp — a net margin of 89 gp (19.8% ROI) after the 2% Grand Exchange tax of 11 gp. High alchemy yields 4 gp.
To flip it, place a buy offer near 450 gp and a sell offer near 550 gp; the spread minus GE tax is your profit. Confidence figures are model estimates from live OSRS Wiki prices, not guarantees — flip responsibly.
Price history
● insta-buy● insta-sell● moving avg
Why this fill score
Trading volume0%
Two-sided liquidity0%
Recent activity27%
Size vs market0%
Why this profit score
Spread persistence40%
No price spike100%
Margin plausibility100%