Rock-shell helm
P2PBuy limit: 70·last trade 33m ago
Confidence
Confidence26%
One score blending fill chance, market volume and profit quality.
Fill chance19%
Volume7%
Profit62%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at18,001
Buy fills0%
Sell at20,803
Sell fills2%
Net / item2,386 (13.3%)
Est. profit / 4h167.0K
70 units · 19% fill confidence
Insta-sell
18,000
cheapest buy (full spread)
Insta-buy
20,804
dearest sell (full spread)
Gross margin
2,804
GE tax
416
2% per item, max 5M
Net margin
2,388
13.3% ROI
Volatility
9.9%
price noise (1h history)
How to flip the Rock-shell helm
The Rock-shell helm is a members-only Old School RuneScape item — “Protective headwear made from crabs. Better than that sounds.”. Its Grand Exchange buy limit is 70 per 4 hours. Right now it buys at 18,000 gp and sells at 20,804 gp — a net margin of 2,388 gp (13.3% ROI) after the 2% Grand Exchange tax of 416 gp. High alchemy yields 21,120 gp.
To flip it, place a buy offer near 18,000 gp and a sell offer near 20,804 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 volume8%
Two-sided liquidity0%
Recent activity76%
Size vs market1%
Why this profit score
Spread persistence40%
No price spike100%
Margin plausibility100%