Demonic quill
P2PBuy limit: —·last trade 4m ago
Confidence
Will it fill?61%
Will it profit?97%
Joint confidence59%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at282,092
Buy fills21%
Sell at293,531
Sell fills17%
Net / item5,569 (2.0%)
Est. profit / 4h200.5K
36 units · round-trip fill 4%
Insta-sell
276,372
cheapest buy (full spread)
Insta-buy
299,250
dearest sell (full spread)
Gross margin
22,878
GE tax
5,985
2% per item, max 5M
Net margin
16,893
6.1% ROI
Volatility
36.3%
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 276,372 gp and sells at 299,250 gp — a net margin of 16,893 gp (6.1% ROI) after the 2% Grand Exchange tax of 5,985 gp.
To flip it, place a buy offer near 276,372 gp and a sell offer near 299,250 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 volume44%
Two-sided liquidity50%
Recent activity97%
Size vs market67%
Why this profit score
Spread persistence100%
No price spike90%
Margin plausibility100%