Compost potion(4)
P2PBuy limit: 50·last trade 24m ago
Confidence
Will it fill?40%
Will it profit?98%
Joint confidence39%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at12
Buy fills7%
Sell at14
Sell fills20%
Net / item2 (16.7%)
Est. profit / 4h100
50 units · round-trip fill 1%
Insta-sell
11
cheapest buy (full spread)
Insta-buy
15
dearest sell (full spread)
Gross margin
4
GE tax
0
2% per item, max 5M
Net margin
4
36.4% ROI
Volatility
61.4%
price noise (1h history)
How to flip the Compost potion(4)
The Compost potion(4) is a members-only Old School RuneScape item — “Pour this on compost to turn it into super-compost.”. Its Grand Exchange buy limit is 50 per 4 hours. Right now it buys at 11 gp and sells at 15 gp — a net margin of 4 gp (36.4% ROI) after the 2% Grand Exchange tax. High alchemy yields 72 gp.
To flip it, place a buy offer near 11 gp and a sell offer near 15 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 volume43%
Two-sided liquidity6%
Recent activity82%
Size vs market21%
Why this profit score
Spread persistence100%
No price spike100%
Margin plausibility91%