Spiny helmet
P2PBuy limit: 125·last trade 22m ago
Confidence
Confidence46%
One score blending fill chance, market volume and profit quality.
Fill chance42%
Volume22%
Profit67%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at751
Buy fills24%
Sell at912
Sell fills26%
Net / item143 (19.0%)
Est. profit / 4h17.9K
125 units · 42% fill confidence
Insta-sell
750
cheapest buy (full spread)
Insta-buy
913
dearest sell (full spread)
Gross margin
163
GE tax
18
2% per item, max 5M
Net margin
145
19.3% ROI
Volatility
6.2%
price noise (1h history)
How to flip the Spiny helmet
The Spiny helmet is a members-only Old School RuneScape item — “You don't want to wear it inside-out.”. Its Grand Exchange buy limit is 125 per 4 hours. Right now it buys at 750 gp and sells at 913 gp — a net margin of 145 gp (19.3% ROI) after the 2% Grand Exchange tax of 18 gp. High alchemy yields 390 gp.
To flip it, place a buy offer near 750 gp and a sell offer near 913 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 volume25%
Two-sided liquidity80%
Recent activity83%
Size vs market12%
Why this profit score
Spread persistence100%
No price spike59%
Margin plausibility100%