Guam tar
P2PBuy limit: 7,000·last trade 33m ago
Confidence
Will it fill?72%
Will it profit?100%
Joint confidence72%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at13
Buy fills48%
Sell at14
Sell fills21%
Net / item1 (7.7%)
Est. profit / 4h7.0K
7,000 units · round-trip fill 10%
Insta-sell
12
cheapest buy (full spread)
Insta-buy
14
dearest sell (full spread)
Gross margin
2
GE tax
0
2% per item, max 5M
Net margin
2
16.7% ROI
Volatility
16.9%
price noise (1h history)
How to flip the Guam tar
The Guam tar is a members-only Old School RuneScape item — “A thick, foul-smelling, tar-like substance with a green tinge.”. Its Grand Exchange buy limit is 7,000 per 4 hours. Right now it buys at 12 gp and sells at 14 gp — a net margin of 2 gp (16.7% ROI) after the 2% Grand Exchange tax. High alchemy yields 1 gp.
To flip it, place a buy offer near 12 gp and a sell offer near 14 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 volume93%
Two-sided liquidity47%
Recent activity76%
Size vs market49%
Why this profit score
Spread persistence100%
No price spike100%
Margin plausibility100%