Sanfew serum(1)
P2PBuy limit: 2,000·last trade 8m ago
Confidence
Will it fill?30%
Will it profit?73%
Joint confidence22%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at4,947
Buy fills21%
Sell at5,053
Sell fills0%
Net / item5 (0.1%)
Est. profit / 4h10.0K
2,000 units · round-trip fill 0%
Insta-sell
4,705
cheapest buy (full spread)
Insta-buy
5,295
dearest sell (full spread)
Gross margin
590
GE tax
105
2% per item, max 5M
Net margin
485
10.3% ROI
Volatility
28.8%
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 4,705 gp and sells at 5,295 gp — a net margin of 485 gp (10.3% ROI) after the 2% Grand Exchange tax of 105 gp. High alchemy yields 72 gp.
To flip it, place a buy offer near 4,705 gp and a sell offer near 5,295 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 volume29%
Two-sided liquidity0%
Recent activity93%
Size vs market0%
Why this profit score
Spread persistence40%
No price spike100%
Margin plausibility100%