Black longsword
F2PBuy limit: 125·last trade 2m ago
Confidence
Confidence37%
One score blending fill chance, market volume and profit quality.
Fill chance34%
Volume31%
Profit44%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at702
Buy fills49%
Sell at1,305
Sell fills0%
Net / item577 (82.2%)
Est. profit / 4h72.1K
125 units · 34% fill confidence
Insta-sell
701
cheapest buy (full spread)
Insta-buy
1,306
dearest sell (full spread)
Gross margin
605
GE tax
26
2% per item, max 5M
Net margin
579
82.6% ROI
Volatility
71.7%
price noise (1h history)
How to flip the Black longsword
The Black longsword is a free-to-play Old School RuneScape item — “A razor sharp longsword.”. Its Grand Exchange buy limit is 125 per 4 hours. Right now it buys at 701 gp and sells at 1,306 gp — a net margin of 579 gp (82.6% ROI) after the 2% Grand Exchange tax of 26 gp. High alchemy yields 576 gp.
To flip it, place a buy offer near 701 gp and a sell offer near 1,306 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 volume35%
Two-sided liquidity0%
Recent activity99%
Size vs market1%
Why this profit score
Spread persistence40%
No price spike100%
Margin plausibility25%