Black demon mask
P2PBuy limit: 4·last trade 15m ago
Confidence
Confidence30%
One score blending fill chance, market volume and profit quality.
Fill chance45%
Volume13%
Profit28%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at15,643
Buy fills17%
Sell at18,384
Sell fills11%
Net / item2,374 (15.2%)
Est. profit / 4h9.5K
4 units · 45% fill confidence
Insta-sell
15,642
cheapest buy (full spread)
Insta-buy
18,385
dearest sell (full spread)
Gross margin
2,743
GE tax
367
2% per item, max 5M
Net margin
2,376
15.2% ROI
Volatility
53.5%
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 15,642 gp and sells at 18,385 gp — a net margin of 2,376 gp (15.2% ROI) after the 2% Grand Exchange tax of 367 gp. High alchemy yields 2,400 gp.
To flip it, place a buy offer near 15,642 gp and a sell offer near 18,385 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 volume15%
Two-sided liquidity50%
Recent activity88%
Size vs market56%
Why this profit score
Spread persistence0%
No price spike41%
Margin plausibility100%