Sanfew serum(1)
P2PBuy limit: 2,000·last trade 22m ago
Confidence
Confidence31%
One score blending fill chance, market volume and profit quality.
Fill chance21%
Volume11%
Profit69%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at4,906
Buy fills3%
Sell at5,999
Sell fills0%
Net / item974 (19.9%)
Est. profit / 4h1.95M
2,000 units · 21% fill confidence
Insta-sell
4,905
cheapest buy (full spread)
Insta-buy
6,000
dearest sell (full spread)
Gross margin
1,095
GE tax
120
2% per item, max 5M
Net margin
975
19.9% ROI
Volatility
7.2%
price noise (1h history)
How to flip the Sanfew serum(1)
The Sanfew serum(1) is a members-only Old School RuneScape item — “A 1 dose Sanfew Serum.”. Its Grand Exchange buy limit is 2,000 per 4 hours. Right now it buys at 4,905 gp and sells at 6,000 gp — a net margin of 975 gp (19.9% ROI) after the 2% Grand Exchange tax of 120 gp. High alchemy yields 72 gp.
To flip it, place a buy offer near 4,905 gp and a sell offer near 6,000 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 volume12%
Two-sided liquidity0%
Recent activity83%
Size vs market0%
Why this profit score
Spread persistence40%
No price spike100%
Margin plausibility100%