Old demon mask
P2PBuy limit: 4·last trade 3m ago
Confidence
Will it fill?53%
Will it profit?100%
Joint confidence53%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at11,284
Buy fills5%
Sell at12,257
Sell fills5%
Net / item728 (6.5%)
Est. profit / 4h2.9K
4 units · round-trip fill 0%
Insta-sell
10,341
cheapest buy (full spread)
Insta-buy
13,200
dearest sell (full spread)
Gross margin
2,859
GE tax
264
2% per item, max 5M
Net margin
2,595
25.1% ROI
Volatility
26.2%
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 10,341 gp and sells at 13,200 gp — a net margin of 2,595 gp (25.1% ROI) after the 2% Grand Exchange tax of 264 gp. High alchemy yields 2,400 gp.
To flip it, place a buy offer near 10,341 gp and a sell offer near 13,200 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 volume12%
Two-sided liquidity100%
Recent activity98%
Size vs market56%
Why this profit score
Spread persistence100%
No price spike100%
Margin plausibility100%