Demonic quill
P2PBuy limit: —·last trade 15m ago
Confidence
Confidence57%
One score blending fill chance, market volume and profit quality.
Fill chance52%
Volume25%
Profit88%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at185,996
Buy fills6%
Sell at199,999
Sell fills6%
Net / item10,004 (5.4%)
Est. profit / 4h530.2K
53 units · 52% fill confidence
Insta-sell
185,995
cheapest buy (full spread)
Insta-buy
200,000
dearest sell (full spread)
Gross margin
14,005
GE tax
4,000
2% per item, max 5M
Net margin
10,005
5.4% ROI
Volatility
8.2%
price noise (1h history)
How to flip the Demonic quill
The Demonic quill is a members-only Old School RuneScape item — “These look like they can be attached to a slayer helmet.”. Its Grand Exchange buy limit is effectively unlimited. Right now it buys at 185,995 gp and sells at 200,000 gp — a net margin of 10,005 gp (5.4% ROI) after the 2% Grand Exchange tax of 4,000 gp.
To flip it, place a buy offer near 185,995 gp and a sell offer near 200,000 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 volume28%
Two-sided liquidity100%
Recent activity89%
Size vs market32%
Why this profit score
Spread persistence100%
No price spike95%
Margin plausibility100%