4 doses serum 207 as described in Herbi Flax's diary.
30 gp
Updated 21m ago
Serum 207 (4) is currently trading at 30 gp on the Grand Exchange and is down 25.0% over the last 24 hours. Current instant-buy and instant-sell prices are 30 gp and 30 gp.
Category: potions · Members only · View on OSRS Wiki
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Serum 207 (4) is a members-only item on the OSRS Grand Exchange in the potions category.
In-game examine text: "4 doses serum 207 as described in Herbi Flax's diary."
It has a Grand Exchange buy limit of 2,000 every four hours, a high alchemy value of 8 gp, and item ID 3408.
Margin: 0 gp per flip
Volume: 21,587 trades / 24h
Buy limit: 2000 every 4 hours
Max profit/cycle: 0 gp
Verdict: High margin, low liquidity
Serum 207 (4) currently has a flip margin of +0 gp, which isn't profitable to flip right now despite 21,587 trades over the last 24 hours.
Items with negative or zero margins like this are better watched than actively flipped until the spread widens.
| Time | Buy avg | Buy vol | Sell avg | Sell vol | Margin |
|---|---|---|---|---|---|
| 22m ago(8/5/2026) | 30 | 2 | 30 | 121 | 0 |
| 1h ago(8/5/2026) | 34 | 2 | — | – | – |
| 3h ago(8/5/2026) | — | – | 38 | 10 | – |
| 4h ago(8/5/2026) | — |
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| – |
| 38 |
| 4 |
| – |
| 4h ago(8/5/2026) | — | – | 38 | 1 | – |
| 4h ago(8/5/2026) | — | – | 38 | 1 | – |
| 4h ago(8/5/2026) | — | – | 30 | 54 | – |
| 7h ago(8/5/2026) | 30 | 10 | — | – | – |
| 9h ago(8/5/2026) | — | – | 38 | 4 | – |
| 9h ago(8/5/2026) | — | – | 38 | 2 | – |
| 10h ago(8/5/2026) | — | – | 38 | 20 | – |
| 10h ago(8/4/2026) | 30 | 2 | — | – | – |