Ballista spring
P2PBuy limit: 8·last trade 2m ago
Confidence
Confidence32%
One score blending fill chance, market volume and profit quality.
Fill chance28%
Volume13%
Profit50%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at29,101
Buy fills5%
Sell at29,922
Sell fills0%
Net / item223 (0.8%)
Est. profit / 4h1.8K
8 units · 28% fill confidence
Insta-sell
29,100
cheapest buy (full spread)
Insta-buy
29,923
dearest sell (full spread)
Gross margin
823
GE tax
598
2% per item, max 5M
Net margin
225
0.8% ROI
Volatility
3.5%
price noise (1h history)
How to flip the Ballista spring
The Ballista spring is a members-only Old School RuneScape item — “A spring-loaded mechanism.”. Its Grand Exchange buy limit is 8 per 4 hours. Right now it buys at 29,100 gp and sells at 29,923 gp — a net margin of 225 gp (0.8% ROI) after the 2% Grand Exchange tax of 598 gp. High alchemy yields 30,000 gp.
To flip it, place a buy offer near 29,100 gp and a sell offer near 29,923 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 volume15%
Two-sided liquidity0%
Recent activity98%
Size vs market11%
Why this profit score
Spread persistence40%
No price spike100%
Margin plausibility100%