Heavy ballista
P2PBuy limit: 8·last trade 1m ago
Confidence
Confidence68%
One score blending fill chance, market volume and profit quality.
Fill chance72%
Volume36%
Profit84%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at979,053
Buy fills11%
Sell at1,015,351
Sell fills11%
Net / item15,991 (1.6%)
Est. profit / 4h127.9K
8 units · 72% fill confidence
Insta-sell
979,052
cheapest buy (full spread)
Insta-buy
1,015,352
dearest sell (full spread)
Gross margin
36,300
GE tax
20,307
2% per item, max 5M
Net margin
15,993
1.6% ROI
Volatility
2.1%
price noise (1h history)
How to flip the Heavy ballista
The Heavy ballista is a members-only Old School RuneScape item — “A powerful weapon forged from the wreckage of an airship.”. Its Grand Exchange buy limit is 8 per 4 hours. Right now it buys at 979,052 gp and sells at 1,015,352 gp — a net margin of 15,993 gp (1.6% ROI) after the 2% Grand Exchange tax of 20,307 gp. High alchemy yields 570,000 gp.
To flip it, place a buy offer near 979,052 gp and a sell offer near 1,015,352 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 volume41%
Two-sided liquidity86%
Recent activity99%
Size vs market91%
Why this profit score
Spread persistence100%
No price spike100%
Margin plausibility100%