Black sq shield
F2PBuy limit: 125·last trade 2m ago
Confidence
Confidence0%
One score blending fill chance, market volume and profit quality.
Fill chance31%
Volume24%
Profit0%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at491
Buy fills58%
Sell at392
Sell fills0%
Net / item-106 (-21.6%)
Est. profit / 4h0
125 units · 31% fill confidence
Insta-sell
491
cheapest buy (full spread)
Insta-buy
392
dearest sell (full spread)
Gross margin
-99
GE tax
7
2% per item, max 5M
Net margin
-106
-21.6% ROI
Volatility
11.7%
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 491 gp and sells at 392 gp — a net margin of -106 gp (-21.6% ROI) after the 2% Grand Exchange tax of 7 gp. High alchemy yields 691 gp.
To flip it, place a buy offer near 491 gp and a sell offer near 392 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 volume27%
Two-sided liquidity0%
Recent activity99%
Size vs market1%
Why this profit score
Spread persistence0%
No price spike0%
Margin plausibility0%