Spiny helmet
P2PBuy limit: 125·last trade 5m ago
Confidence
Will it fill?37%
Will it profit?52%
Joint confidence19%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at666
Buy fills11%
Sell at873
Sell fills19%
Net / item190 (28.5%)
Est. profit / 4h23.8K
125 units · round-trip fill 2%
Insta-sell
300
cheapest buy (full spread)
Insta-buy
1,239
dearest sell (full spread)
Gross margin
939
GE tax
24
2% per item, max 5M
Net margin
915
305.0% ROI
Volatility
72.1%
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 300 gp and sells at 1,239 gp — a net margin of 915 gp (305.0% ROI) after the 2% Grand Exchange tax of 24 gp. High alchemy yields 390 gp.
To flip it, place a buy offer near 300 gp and a sell offer near 1,239 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 volume29%
Two-sided liquidity30%
Recent activity96%
Size vs market9%
Why this profit score
Spread persistence85%
No price spike45%
Margin plausibility0%