Crystal key
P2PBuy limit: 11,000·last trade 4m ago
Confidence
Confidence57%
One score blending fill chance, market volume and profit quality.
Fill chance48%
Volume54%
Profit68%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at20,880
Buy fills19%
Sell at21,341
Sell fills10%
Net / item35 (0.2%)
Est. profit / 4h16.7K
478 units · 48% fill confidence
Insta-sell
20,879
cheapest buy (full spread)
Insta-buy
21,342
dearest sell (full spread)
Gross margin
463
GE tax
426
2% per item, max 5M
Net margin
37
0.2% ROI
Volatility
1.8%
price noise (1h history)
How to flip the Crystal key
The Crystal key is a members-only Old School RuneScape item — “A mysterious key for a mysterious chest.”. Its Grand Exchange buy limit is 11,000 per 4 hours. Right now it buys at 20,879 gp and sells at 21,342 gp — a net margin of 37 gp (0.2% ROI) after the 2% Grand Exchange tax of 426 gp. High alchemy yields 90 gp.
To flip it, place a buy offer near 20,879 gp and a sell offer near 21,342 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 volume61%
Two-sided liquidity7%
Recent activity96%
Size vs market13%
Why this profit score
Spread persistence76%
No price spike99%
Margin plausibility100%