Black sword
F2PBuy limit: 125·last trade 3m ago
Confidence
Confidence37%
One score blending fill chance, market volume and profit quality.
Fill chance31%
Volume25%
Profit53%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at930
Buy fills10%
Sell at1,001
Sell fills0%
Net / item51 (5.5%)
Est. profit / 4h6.4K
125 units · 31% fill confidence
Insta-sell
929
cheapest buy (full spread)
Insta-buy
1,002
dearest sell (full spread)
Gross margin
73
GE tax
20
2% per item, max 5M
Net margin
53
5.7% ROI
Volatility
70.5%
price noise (1h history)
How to flip the Black sword
The Black sword is a free-to-play Old School RuneScape item — “A razor sharp sword.”. Its Grand Exchange buy limit is 125 per 4 hours. Right now it buys at 929 gp and sells at 1,002 gp — a net margin of 53 gp (5.7% ROI) after the 2% Grand Exchange tax of 20 gp. High alchemy yields 374 gp.
To flip it, place a buy offer near 929 gp and a sell offer near 1,002 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 volume28%
Two-sided liquidity0%
Recent activity98%
Size vs market1%
Why this profit score
Spread persistence40%
No price spike100%
Margin plausibility100%