Rune cannonball
P2PBuy limit: 11,000·last trade 2m ago
Confidence
Confidence63%
One score blending fill chance, market volume and profit quality.
Fill chance83%
Volume98%
Profit40%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at701
Buy fills32%
Sell at758
Sell fills30%
Net / item42 (6.0%)
Est. profit / 4h462.0K
11,000 units · 83% fill confidence
Insta-sell
700
cheapest buy (full spread)
Insta-buy
759
dearest sell (full spread)
Gross margin
59
GE tax
15
2% per item, max 5M
Net margin
44
6.3% ROI
Volatility
1.2%
price noise (1h history)
How to flip the Rune cannonball
The Rune 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 700 gp and sells at 759 gp — a net margin of 44 gp (6.3% ROI) after the 2% Grand Exchange tax of 15 gp. High alchemy yields 840 gp.
To flip it, place a buy offer near 700 gp and a sell offer near 759 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 liquidity37%
Recent activity98%
Size vs market72%
Why this profit score
Spread persistence5%
No price spike59%
Margin plausibility100%