Sinister key
P2PBuy limit: 11,000·last trade 14m ago
Confidence
Confidence52%
One score blending fill chance, market volume and profit quality.
Fill chance41%
Volume51%
Profit66%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at17,801
Buy fills60%
Sell at19,788
Sell fills0%
Net / item1,592 (8.9%)
Est. profit / 4h893.1K
561 units · 41% fill confidence
Insta-sell
17,800
cheapest buy (full spread)
Insta-buy
19,789
dearest sell (full spread)
Gross margin
1,989
GE tax
395
2% per item, max 5M
Net margin
1,594
9.0% ROI
Volatility
6.3%
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 17,800 gp and sells at 19,789 gp — a net margin of 1,594 gp (9.0% ROI) after the 2% Grand Exchange tax of 395 gp. High alchemy yields 48 gp.
To flip it, place a buy offer near 17,800 gp and a sell offer near 19,789 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 volume57%
Two-sided liquidity0%
Recent activity89%
Size vs market0%
Why this profit score
Spread persistence40%
No price spike100%
Margin plausibility100%