4 doses serum 207 as described in Herbi Flax's diary.
24 gp
Updated 4h ago
Serum 207 (4) is currently trading at 24 gp on the Grand Exchange and is down 4.0% over the last 24 hours. Current instant-buy and instant-sell prices are 20 gp and 28 gp.
Category: potions · Members only · View on OSRS Wiki
Margin: 8 gp per flip
Volume: 10,050 trades / 24h
Buy limit: 2000 every 4 hours
Max profit/cycle: 16.0k gp
Verdict: High margin with healthy liquidity
| Time | Buy avg | Buy vol | Sell avg | Sell vol | Margin |
|---|---|---|---|---|---|
| 4h ago(5/9/2026) | — | – | 28 | 5 | – |
| 7h ago(5/9/2026) | — | – | 28 | 2 | – |
| 10h ago(5/9/2026) | — | – | 25 | 30 | – |
| 11h ago(5/9/2026) | — |
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| – |
| 29 |
| 1 |
| – |
| 12h ago(5/9/2026) | 20 | 375 | — | – | – |
| 13h ago(5/8/2026) | — | – | 29 | 2 | – |
| 15h ago(5/8/2026) | — | – | 29 | 1 | – |
| 16h ago(5/8/2026) | — | – | 29 | 30 | – |
| 17h ago(5/8/2026) | — | – | 29 | 1 | – |
| 18h ago(5/8/2026) | — | – | 29 | 1 | – |
| 19h ago(5/8/2026) | — | – | 29 | 1 | – |
| 21h ago(5/8/2026) | 29 | 30 | — | – | – |