Old demon mask
P2PBuy limit: 4·last trade 2m ago
Confidence
Confidence55%
One score blending fill chance, market volume and profit quality.
Fill chance62%
Volume19%
Profit75%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at20,490
Buy fills24%
Sell at28,499
Sell fills24%
Net / item7,440 (36.3%)
Est. profit / 4h29.8K
4 units · 62% fill confidence
Insta-sell
20,489
cheapest buy (full spread)
Insta-buy
28,500
dearest sell (full spread)
Gross margin
8,011
GE tax
570
2% per item, max 5M
Net margin
7,441
36.3% ROI
Volatility
11.6%
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 20,489 gp and sells at 28,500 gp — a net margin of 7,441 gp (36.3% ROI) after the 2% Grand Exchange tax of 570 gp. High alchemy yields 2,400 gp.
To flip it, place a buy offer near 20,489 gp and a sell offer near 28,500 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 volume21%
Two-sided liquidity100%
Recent activity98%
Size vs market76%
Why this profit score
Spread persistence100%
No price spike92%
Margin plausibility91%