Black longsword
F2PBuy limit: 125·last trade 4m ago
Confidence
Confidence0%
One score blending fill chance, market volume and profit quality.
Fill chance33%
Volume26%
Profit0%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at271
Buy fills59%
Sell at229
Sell fills21%
Net / item-46 (-17.0%)
Est. profit / 4h0
125 units · 33% fill confidence
Insta-sell
271
cheapest buy (full spread)
Insta-buy
229
dearest sell (full spread)
Gross margin
-42
GE tax
4
2% per item, max 5M
Net margin
-46
-17.0% ROI
Volatility
45.7%
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 271 gp and sells at 229 gp — a net margin of -46 gp (-17.0% ROI) after the 2% Grand Exchange tax of 4 gp. High alchemy yields 576 gp.
To flip it, place a buy offer near 271 gp and a sell offer near 229 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 volume29%
Two-sided liquidity8%
Recent activity97%
Size vs market4%
Why this profit score
Spread persistence0%
No price spike0%
Margin plausibility0%