Old demon mask
P2PBuy limit: 4·last trade 1h ago
Confidence
Confidence0%
One score blending fill chance, market volume and profit quality.
Fill chance15%
Volume0%
Profit47%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at10,413
Buy fills0%
Sell at10,830
Sell fills0%
Net / item201 (1.9%)
Est. profit / 4h804
4 units · 15% fill confidence
Insta-sell
10,412
cheapest buy (full spread)
Insta-buy
10,831
dearest sell (full spread)
Gross margin
419
GE tax
216
2% per item, max 5M
Net margin
203
1.9% ROI
Volatility
9.1%
price noise (1h history)
How to flip the Old demon mask
The Old demon mask is a members-only Old School RuneScape item — “Lost in time.”. Its Grand Exchange buy limit is 4 per 4 hours. Right now it buys at 10,412 gp and sells at 10,831 gp — a net margin of 203 gp (1.9% ROI) after the 2% Grand Exchange tax of 216 gp. High alchemy yields 2,400 gp.
To flip it, place a buy offer near 10,412 gp and a sell offer near 10,831 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 activity48%
Size vs market20%
Why this profit score
Spread persistence40%
No price spike100%
Margin plausibility100%