Rune cannonball
P2PBuy limit: 11,000·last trade just now
Confidence
Will it fill?79%
Will it profit?0%
Joint confidence0%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at705
Buy fills33%
Sell at714
Sell fills28%
Net / item-5 (-0.7%)
Est. profit / 4h0
11,000 units · round-trip fill 9%
Insta-sell
705
cheapest buy (full spread)
Insta-buy
714
dearest sell (full spread)
Gross margin
9
GE tax
14
2% per item, max 5M
Net margin
-5
-0.7% ROI
Volatility
8.2%
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 705 gp and sells at 714 gp — a net margin of -5 gp (-0.7% ROI) after the 2% Grand Exchange tax of 14 gp. High alchemy yields 840 gp.
To flip it, place a buy offer near 705 gp and a sell offer near 714 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 liquidity15%
Recent activity100%
Size vs market67%
Why this profit score
Spread persistence0%
No price spike0%
Margin plausibility0%