Black longsword
F2PBuy limit: 125·last trade 3m ago
Confidence
Confidence0%
One score blending fill chance, market volume and profit quality.
Fill chance36%
Volume33%
Profit0%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at1,005
Buy fills12%
Sell at1,015
Sell fills3%
Net / item-10 (-1.0%)
Est. profit / 4h0
125 units · 36% fill confidence
Insta-sell
1,005
cheapest buy (full spread)
Insta-buy
1,015
dearest sell (full spread)
Gross margin
10
GE tax
20
2% per item, max 5M
Net margin
-10
-1.0% ROI
Volatility
56.1%
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 1,005 gp and sells at 1,015 gp — a net margin of -10 gp (-1.0% ROI) after the 2% Grand Exchange tax of 20 gp. High alchemy yields 576 gp.
To flip it, place a buy offer near 1,005 gp and a sell offer near 1,015 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 volume37%
Two-sided liquidity3%
Recent activity98%
Size vs market4%
Why this profit score
Spread persistence0%
No price spike0%
Margin plausibility0%