Serum 207 (4)
P2PBuy limit: 2,000·last trade 50m ago
Confidence
Will it fill?37%
Will it profit?0%
Joint confidence0%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at28
Buy fills0%
Sell at20
Sell fills71%
Net / item-8 (-28.6%)
Est. profit / 4h0
2,000 units · round-trip fill 0%
Insta-sell
28
cheapest buy (full spread)
Insta-buy
20
dearest sell (full spread)
Gross margin
-8
GE tax
0
2% per item, max 5M
Net margin
-8
-28.6% ROI
Volatility
215.3%
price noise (1h history)
How to flip the Serum 207 (4)
The Serum 207 (4) is a members-only Old School RuneScape item — “4 doses serum 207 as described in Herbi Flax's diary.”. Its Grand Exchange buy limit is 2,000 per 4 hours. Right now it buys at 28 gp and sells at 20 gp — a net margin of -8 gp (-28.6% ROI) after the 2% Grand Exchange tax. High alchemy yields 8 gp.
To flip it, place a buy offer near 28 gp and a sell offer near 20 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 volume59%
Two-sided liquidity0%
Recent activity66%
Size vs market0%
Why this profit score
Spread persistence0%
No price spike0%
Margin plausibility0%