Rock-shell helm
P2PBuy limit: 70·last trade 6h ago
Confidence
Confidence0%
One score blending fill chance, market volume and profit quality.
Fill chance1%
Volume0%
Profit62%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at18,251
Buy fills0%
Sell at21,643
Sell fills0%
Net / item2,960 (16.2%)
Est. profit / 4h207.2K
70 units · 1% fill confidence
Insta-sell
18,250
cheapest buy (full spread)
Insta-buy
21,644
dearest sell (full spread)
Gross margin
3,394
GE tax
432
2% per item, max 5M
Net margin
2,962
16.2% ROI
Volatility
16.2%
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 18,250 gp and sells at 21,644 gp — a net margin of 2,962 gp (16.2% ROI) after the 2% Grand Exchange tax of 432 gp. High alchemy yields 21,120 gp.
To flip it, place a buy offer near 18,250 gp and a sell offer near 21,644 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 volume0%
Two-sided liquidity0%
Recent activity5%
Size vs market1%
Why this profit score
Spread persistence40%
No price spike100%
Margin plausibility100%