Serum 207 (1)
1 dose serum 207 as described in Herbi Flax's diary.
Serum 207 (1) is a members-only item on the OSRS Grand Exchange. The latest high price is 70 GP (17m ago) and the low price is 13 GP (15h ago). Buying at the low price and selling at the high price would leave 56 GP per item after the 2% tax (430.77% of the buy price). You can buy up to 2,000 every four hours. Buying one at the low price and casting High Alchemy with a nature rune would lose 171 GP. 103 were traded in the last 24 hours.
| High | 70 GP () |
|---|---|
| Low | 13 GP () |
| Tax | 1 GP |
| Margin | 56 GP |
| ROI | 430.77% |
| Buy limit | 2,000 every 4 hours |
| High alchemy | 6 GP |
Buy price (insta-sell / low): 13 GP
Sell price (insta-buy / high): 70 GP
Margin after tax: 56 GP per unit. Grand Exchange tax on a sale is 1 GP.
Buy limit: 2,000 every 4 hours.
The full buy limit of 2,000 Serum 207 (1) costs 26,000 GP at the current buy price. Across that quantity, the after-tax margin is 112,000 GP.
- Grand Exchange buy limit: 2,000 every 4 hours
- Members-only item
- High alchemy value: 6 GP
- Low alchemy value: 4 GP
- Base value: 11 GP
Serum 207 (1) price history
- Over the past 7 days, the average high ranged from 16 GP to 18 GP across 16 hourly samples. From 2026-11-01 UTC to 2026-11-07 UTC, it moved from 18 GP to 18 GP (0 GP, 0.00%).
- Over the past 30 days, the average high ranged from 7 GP to 70 GP across 51 hourly samples. From 2026-10-10 UTC to 2026-11-07 UTC, it moved from 53 GP to 18 GP (-35 GP, -66.04%).
- Over the past 90 days, the average high ranged from 7 GP to 149 GP across 145 hourly samples. From 2026-08-12 UTC to 2026-11-07 UTC, it moved from 18 GP to 18 GP (0 GP, 0.00%).
- Over the past 90 days, the highest average high was 149 GP on 2026-09-21 UTC, and the lowest was 7 GP on 2026-10-15 UTC.
As of 2026-11-07 UTC. See this week's market summary.
To cite this page: QuantScapers, "Serum 207 (1) price history", based on OSRS Wiki real-time price data through 2026-11-07 UTC. Calculations by QuantScapers.
What is the Grand Exchange buy limit for Serum 207 (1)?
You can buy up to 2,000 Serum 207 (1) every 4 hours on the Grand Exchange.
Is Serum 207 (1) a members-only item?
Serum 207 (1) is a members-only item and requires OSRS membership to trade.
What is Serum 207 (1)'s current buy and sell price?
At the latest update, Serum 207 (1)'s insta-sell (low) price is 13 GP and its insta-buy (high) price is 70 GP on the Grand Exchange.
How much Grand Exchange tax applies to Serum 207 (1)?
A sale of Serum 207 (1) pays the standard 2% Grand Exchange tax, which is 1 GP per unit at the current price.
What does a full buy limit of Serum 207 (1) cost?
Buying the full limit of 2,000 Serum 207 (1) costs 26,000 GP at the current insta-sell price of 13 GP each.