Sanfew serum(3)
P2PBuy limit: 2,000·last trade 27m ago
Confidence
Confidence48%
One score blending fill chance, market volume and profit quality.
Fill chance35%
Volume42%
Profit69%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at13,304
Buy fills50%
Sell at16,499
Sell fills0%
Net / item2,866 (21.5%)
Est. profit / 4h2.15M
751 units · 35% fill confidence
Insta-sell
13,303
cheapest buy (full spread)
Insta-buy
16,500
dearest sell (full spread)
Gross margin
3,197
GE tax
330
2% per item, max 5M
Net margin
2,867
21.6% ROI
Volatility
4.1%
price noise (1h history)
How to flip the Sanfew serum(3)
The Sanfew serum(3) is a members-only Old School RuneScape item — “A 3 dose Sanfew Serum.”. Its Grand Exchange buy limit is 2,000 per 4 hours. Right now it buys at 13,303 gp and sells at 16,500 gp — a net margin of 2,867 gp (21.6% ROI) after the 2% Grand Exchange tax of 330 gp. High alchemy yields 144 gp.
To flip it, place a buy offer near 13,303 gp and a sell offer near 16,500 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 volume48%
Two-sided liquidity0%
Recent activity80%
Size vs market0%
Why this profit score
Spread persistence40%
No price spike100%
Margin plausibility100%