Serum 207 (1)
P2PBuy limit: 2,000·last trade 16m ago
Confidence
Confidence0%
One score blending fill chance, market volume and profit quality.
Fill chance18%
Volume0%
Profit52%
Suggested prices
ConservativeSafe fillsBigger margins
Buy at10
Buy fills0%
Sell at12
Sell fills0%
Net / item2 (20.0%)
Est. profit / 4h4.0K
2,000 units · 18% fill confidence
Insta-sell
10
cheapest buy (full spread)
Insta-buy
12
dearest sell (full spread)
Gross margin
2
GE tax
0
2% per item, max 5M
Net margin
2
20.0% ROI
Volatility
31.9%
price noise (1h history)
How to flip the Serum 207 (1)
The Serum 207 (1) is a members-only Old School RuneScape item — “1 dose 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 10 gp and sells at 12 gp — a net margin of 2 gp (20.0% ROI) after the 2% Grand Exchange tax. High alchemy yields 6 gp.
To flip it, place a buy offer near 10 gp and a sell offer near 12 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 activity88%
Size vs market0%
Why this profit score
Spread persistence40%
No price spike100%
Margin plausibility100%