Black mask (10)
P2PBuy limit: 70·last trade 6m ago
Confidence
Confidence56%
One score blending fill chance, market volume and profit quality.
Fill chance60%
Volume28%
Profit67%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at904,775
Buy fills32%
Sell at945,050
Sell fills36%
Net / item21,374 (2.4%)
Est. profit / 4h235.1K
11 units · 60% fill confidence
Insta-sell
904,774
cheapest buy (full spread)
Insta-buy
945,051
dearest sell (full spread)
Gross margin
40,277
GE tax
18,901
2% per item, max 5M
Net margin
21,376
2.4% ROI
Volatility
4.7%
price noise (1h history)
How to flip the Black mask (10)
The Black mask (10) is a members-only Old School RuneScape item — “A magic cave horror mask.”. Its Grand Exchange buy limit is 70 per 4 hours. Right now it buys at 904,774 gp and sells at 945,051 gp — a net margin of 21,376 gp (2.4% ROI) after the 2% Grand Exchange tax of 18,901 gp. High alchemy yields 1,800 gp.
To flip it, place a buy offer near 904,774 gp and a sell offer near 945,051 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 volume31%
Two-sided liquidity70%
Recent activity95%
Size vs market73%
Why this profit score
Spread persistence56%
No price spike91%
Margin plausibility100%