Greater demon mask
P2PBuy limit: 4·last trade 1h ago
Confidence
Confidence37%
One score blending fill chance, market volume and profit quality.
Fill chance40%
Volume24%
Profit41%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at1,501
Buy fills9%
Sell at2,497
Sell fills19%
Net / item947 (63.1%)
Est. profit / 4h3.8K
4 units · 40% fill confidence
Insta-sell
1,500
cheapest buy (full spread)
Insta-buy
2,498
dearest sell (full spread)
Gross margin
998
GE tax
49
2% per item, max 5M
Net margin
949
63.3% ROI
Volatility
51.1%
price noise (1h history)
How to flip the Greater demon mask
The Greater 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 1,500 gp and sells at 2,498 gp — a net margin of 949 gp (63.3% ROI) after the 2% Grand Exchange tax of 49 gp. High alchemy yields 2,400 gp.
To flip it, place a buy offer near 1,500 gp and a sell offer near 2,498 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 volume27%
Two-sided liquidity22%
Recent activity42%
Size vs market69%
Why this profit score
Spread persistence100%
No price spike1%
Margin plausibility52%