Serum 207 (4)
P2PBuy limit: 2,000·last trade 19m ago
Confidence
Confidence0%
One score blending fill chance, market volume and profit quality.
Fill chance17%
Volume0%
Profit52%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at46
Buy fills0%
Sell at68
Sell fills0%
Net / item21 (45.7%)
Est. profit / 4h42.0K
2,000 units · 17% fill confidence
Insta-sell
45
cheapest buy (full spread)
Insta-buy
69
dearest sell (full spread)
Gross margin
24
GE tax
1
2% per item, max 5M
Net margin
23
51.1% ROI
Volatility
12.7%
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 45 gp and sells at 69 gp — a net margin of 23 gp (51.1% ROI) after the 2% Grand Exchange tax of 1 gp. High alchemy yields 8 gp.
To flip it, place a buy offer near 45 gp and a sell offer near 69 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 volume0%
Two-sided liquidity0%
Recent activity86%
Size vs market0%
Why this profit score
Spread persistence40%
No price spike100%
Margin plausibility70%