Black mask (10)
P2PBuy limit: 70·last trade 2m ago
Confidence
Will it fill?62%
Will it profit?96%
Joint confidence59%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at1,314,475
Buy fills10%
Sell at1,358,110
Sell fills9%
Net / item16,473 (1.3%)
Est. profit / 4h115.3K
7 units · round-trip fill 1%
Insta-sell
1,307,585
cheapest buy (full spread)
Insta-buy
1,365,000
dearest sell (full spread)
Gross margin
57,415
GE tax
27,300
2% per item, max 5M
Net margin
30,115
2.3% ROI
Volatility
4.3%
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 1,307,585 gp and sells at 1,365,000 gp — a net margin of 30,115 gp (2.3% ROI) after the 2% Grand Exchange tax of 27,300 gp. High alchemy yields 1,800 gp.
To flip it, place a buy offer near 1,307,585 gp and a sell offer near 1,365,000 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 volume29%
Two-sided liquidity75%
Recent activity98%
Size vs market78%
Why this profit score
Spread persistence91%
No price spike99%
Margin plausibility100%