Rune cannonball
P2PBuy limit: 11,000·last trade just now
Confidence
Confidence0%
One score blending fill chance, market volume and profit quality.
Fill chance76%
Volume100%
Profit0%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at685
Buy fills33%
Sell at696
Sell fills27%
Net / item-2 (-0.3%)
Est. profit / 4h0
11,000 units · 76% fill confidence
Insta-sell
685
cheapest buy (full spread)
Insta-buy
696
dearest sell (full spread)
Gross margin
11
GE tax
13
2% per item, max 5M
Net margin
-2
-0.3% 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 685 gp and sells at 696 gp — a net margin of -2 gp (-0.3% ROI) after the 2% Grand Exchange tax of 13 gp. High alchemy yields 840 gp.
To flip it, place a buy offer near 685 gp and a sell offer near 696 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 liquidity12%
Recent activity100%
Size vs market58%
Why this profit score
Spread persistence0%
No price spike0%
Margin plausibility0%