Mithril cannonball
P2PBuy limit: 11,000·last trade 3m ago
Confidence
Confidence69%
One score blending fill chance, market volume and profit quality.
Fill chance87%
Volume100%
Profit47%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at72
Buy fills34%
Sell at88
Sell fills36%
Net / item15 (20.8%)
Est. profit / 4h165.0K
11,000 units · 87% fill confidence
Insta-sell
71
cheapest buy (full spread)
Insta-buy
89
dearest sell (full spread)
Gross margin
18
GE tax
1
2% per item, max 5M
Net margin
17
23.9% ROI
Volatility
7.6%
price noise (1h history)
How to flip the Mithril cannonball
The Mithril cannonball is a members-only Old School RuneScape item — “Ammo suited for a boat's cannon.”. Its Grand Exchange buy limit is 11,000 per 4 hours. Right now it buys at 71 gp and sells at 89 gp — a net margin of 17 gp (23.9% ROI) after the 2% Grand Exchange tax of 1 gp. High alchemy yields 36 gp.
To flip it, place a buy offer near 71 gp and a sell offer near 89 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 volume100%
Two-sided liquidity43%
Recent activity98%
Size vs market84%
Why this profit score
Spread persistence44%
No price spike35%
Margin plausibility100%