Black demon mask
P2PBuy limit: 4·last trade 1h ago
Confidence
Will it fill?12%
Will it profit?48%
Joint confidence6%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at32,001
Buy fills0%
Sell at33,000
Sell fills0%
Net / item339 (1.1%)
Est. profit / 4h1.4K
4 units · round-trip fill 0%
Insta-sell
20,001
cheapest buy (full spread)
Insta-buy
45,000
dearest sell (full spread)
Gross margin
24,999
GE tax
900
2% per item, max 5M
Net margin
24,099
120.5% ROI
Volatility
32.0%
price noise (1h history)
How to flip the Black demon mask
The Black demon mask is a members-only Old School RuneScape item — “Evil.”. Its Grand Exchange buy limit is 4 per 4 hours. Right now it buys at 20,001 gp and sells at 45,000 gp — a net margin of 24,099 gp (120.5% ROI) after the 2% Grand Exchange tax of 900 gp. High alchemy yields 2,400 gp.
To flip it, place a buy offer near 20,001 gp and a sell offer near 45,000 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 volume0%
Two-sided liquidity0%
Recent activity37%
Size vs market20%
Why this profit score
Spread persistence40%
No price spike100%
Margin plausibility0%