Blue halloween mask
F2PBuy limit: 5·last trade 33m ago
Confidence
Confidence30%
One score blending fill chance, market volume and profit quality.
Fill chance24%
Volume11%
Profit55%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at10,500
Buy fills3%
Sell at12,999
Sell fills0%
Net / item2,240 (21.3%)
Est. profit / 4h11.2K
5 units · 24% fill confidence
Insta-sell
10,499
cheapest buy (full spread)
Insta-buy
13,000
dearest sell (full spread)
Gross margin
2,501
GE tax
260
2% per item, max 5M
Net margin
2,241
21.3% ROI
Volatility
22.7%
price noise (1h history)
How to flip the Blue halloween mask
The Blue halloween mask is a free-to-play Old School RuneScape item — “Aaaarrrghhh ... I'm a monster.”. Its Grand Exchange buy limit is 5 per 4 hours. Right now it buys at 10,499 gp and sells at 13,000 gp — a net margin of 2,241 gp (21.3% ROI) after the 2% Grand Exchange tax of 260 gp. High alchemy yields 9 gp.
To flip it, place a buy offer near 10,499 gp and a sell offer near 13,000 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 volume12%
Two-sided liquidity0%
Recent activity76%
Size vs market17%
Why this profit score
Spread persistence40%
No price spike100%
Margin plausibility100%