Cosmic tiara
P2PBuy limit: 40·last trade 8m ago
Confidence
Confidence43%
One score blending fill chance, market volume and profit quality.
Fill chance53%
Volume23%
Profit45%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at124
Buy fills28%
Sell at127
Sell fills28%
Net / item1 (0.8%)
Est. profit / 4h40
40 units · 53% fill confidence
Insta-sell
124
cheapest buy (full spread)
Insta-buy
127
dearest sell (full spread)
Gross margin
3
GE tax
2
2% per item, max 5M
Net margin
1
0.8% ROI
Volatility
14.6%
price noise (1h history)
How to flip the Cosmic tiara
The Cosmic tiara is a members-only Old School RuneScape item — “A tiara infused with the properties of the cosmos.”. Its Grand Exchange buy limit is 40 per 4 hours. Right now it buys at 124 gp and sells at 127 gp — a net margin of 1 gp (0.8% ROI) after the 2% Grand Exchange tax of 2 gp. High alchemy yields 60 gp.
To flip it, place a buy offer near 124 gp and a sell offer near 127 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 volume26%
Two-sided liquidity100%
Recent activity93%
Size vs market34%
Why this profit score
Spread persistence67%
No price spike97%
Margin plausibility100%