Sanfew serum(4)
P2PBuy limit: 2,000·last trade 1m ago
Confidence
Confidence0%
One score blending fill chance, market volume and profit quality.
Fill chance95%
Volume83%
Profit0%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at20,784
Buy fills79%
Sell at21,182
Sell fills78%
Net / item-25 (-0.1%)
Est. profit / 4h0
481 units · 95% fill confidence
Insta-sell
20,784
cheapest buy (full spread)
Insta-buy
21,182
dearest sell (full spread)
Gross margin
398
GE tax
423
2% per item, max 5M
Net margin
-25
-0.1% ROI
Volatility
4.9%
price noise (1h history)
How to flip the Sanfew serum(4)
The Sanfew serum(4) is a members-only Old School RuneScape item — “A 4 dose Sanfew Serum.”. Its Grand Exchange buy limit is 2,000 per 4 hours. Right now it buys at 20,784 gp and sells at 21,182 gp — a net margin of -25 gp (-0.1% ROI) after the 2% Grand Exchange tax of 423 gp. High alchemy yields 180 gp.
To flip it, place a buy offer near 20,784 gp and a sell offer near 21,182 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 liquidity97%
Recent activity99%
Size vs market96%
Why this profit score
Spread persistence0%
No price spike0%
Margin plausibility0%