Sinister key
P2PBuy limit: 11,000·last trade 6m ago
Confidence
Confidence0%
One score blending fill chance, market volume and profit quality.
Fill chance30%
Volume24%
Profit0%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at19,500
Buy fills56%
Sell at19,299
Sell fills0%
Net / item-586 (-3.0%)
Est. profit / 4h0
512 units · 30% fill confidence
Insta-sell
19,500
cheapest buy (full spread)
Insta-buy
19,299
dearest sell (full spread)
Gross margin
-201
GE tax
385
2% per item, max 5M
Net margin
-586
-3.0% ROI
Volatility
4.4%
price noise (1h history)
How to flip the Sinister key
The Sinister key is a members-only Old School RuneScape item — “You get a sense of dread from this key.”. Its Grand Exchange buy limit is 11,000 per 4 hours. Right now it buys at 19,500 gp and sells at 19,299 gp — a net margin of -586 gp (-3.0% ROI) after the 2% Grand Exchange tax of 385 gp. High alchemy yields 48 gp.
To flip it, place a buy offer near 19,500 gp and a sell offer near 19,299 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 volume27%
Two-sided liquidity0%
Recent activity95%
Size vs market0%
Why this profit score
Spread persistence0%
No price spike0%
Margin plausibility0%