Serum 207 (3) price - OSRS Grand Exchange

3 doses serum 207 as described in Herbi Flax's diary. The current Old School RuneScape Grand Exchange price of Serum 207 (3) is approximately 34 gp (buy 36 gp, sell 31 gp).

• Buy (insta-buy) price: 36 gp
• Sell (insta-sell) price: 31 gp
• Buy limit (4 hours): 2,000
• High alchemy value: 7 gp
• Members item: Yes

Serum 207 (3) price trend, last 30 days

Over the last 30 days, Serum 207 (3) has traded between 14 gp and 48 gp. The price is down 9.1% across that window, moving from about 33 gp to 30 gp, and down 9.1% over the last 7 days. The sharpest single-day move in that stretch was +65.0% on October 14, 2026.

About 222,761 units changed hands across those 30 trading days, an average of 7,425 per day, so Serum 207 (3) is currently liquid: expect fills within the hour at reasonable prices.

For flippers, the current spread is 5 gp before tax and about 5 gp per item after the 2% GE tax; a full buy-limit cycle of 2,000 ties up about 62,000 gp and can return up to 10,000 gp. Step-by-step numbers are on the how to flip Serum 207 (3) page.

View the live Serum 207 (3) price chart, daily volume and full history on GrandExchange.com.