Black sq shield
F2PBuy limit: 125·last trade 1m ago
Confidence
Confidence0%
One score blending fill chance, market volume and profit quality.
Fill chance45%
Volume57%
Profit0%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at419
Buy fills20%
Sell at420
Sell fills0%
Net / item-7 (-1.7%)
Est. profit / 4h0
125 units · 45% fill confidence
Insta-sell
419
cheapest buy (full spread)
Insta-buy
420
dearest sell (full spread)
Gross margin
1
GE tax
8
2% per item, max 5M
Net margin
-7
-1.7% ROI
Volatility
5.2%
price noise (1h history)
How to flip the Black sq shield
The Black sq shield is a free-to-play Old School RuneScape item — “A medium square shield.”. Its Grand Exchange buy limit is 125 per 4 hours. Right now it buys at 419 gp and sells at 420 gp — a net margin of -7 gp (-1.7% ROI) after the 2% Grand Exchange tax of 8 gp. High alchemy yields 691 gp.
To flip it, place a buy offer near 419 gp and a sell offer near 420 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 volume64%
Two-sided liquidity0%
Recent activity99%
Size vs market1%
Why this profit score
Spread persistence0%
No price spike0%
Margin plausibility0%