Sanfew serum(4)
P2PBuy limit: 2,000·last trade 1m ago
Confidence
Confidence81%
One score blending fill chance, market volume and profit quality.
Fill chance97%
Volume88%
Profit65%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at18,627
Buy fills27%
Sell at19,009
Sell fills28%
Net / item2 (0.0%)
Est. profit / 4h1.1K
536 units · 97% fill confidence
Insta-sell
18,627
cheapest buy (full spread)
Insta-buy
19,009
dearest sell (full spread)
Gross margin
382
GE tax
380
2% per item, max 5M
Net margin
2
0.0% ROI
Volatility
2.0%
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 18,627 gp and sells at 19,009 gp — a net margin of 2 gp (0.0% ROI) after the 2% Grand Exchange tax of 380 gp. High alchemy yields 180 gp.
To flip it, place a buy offer near 18,627 gp and a sell offer near 19,009 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 volume99%
Two-sided liquidity90%
Recent activity99%
Size vs market97%
Why this profit score
Spread persistence100%
No price spike95%
Margin plausibility100%