Extended antifire(1)
1 dose of extended anti-firebreath potion.
Extended antifire(1) is a members-only item on the OSRS Grand Exchange. Recent trades put the high price at 89 GP (19m ago) and the low price at 7 GP (9m ago). Buying at the low price and selling at the high price would leave 81 GP per item after the 2% tax (1157.14% of the buy price). You can buy up to 2,000 every four hours. High Alchemy would lose 105 GP per cast if you bought it at the low price and paid for the nature rune. 18,356 were traded in the last 24 hours.
| High | 89 GP () |
|---|---|
| Low | 7 GP () |
| Tax | 1 GP |
| Margin | 81 GP |
| ROI | 1157.14% |
| Buy limit | 2,000 every 4 hours |
| High alchemy | 66 GP |
Buy price (insta-sell / low): 7 GP
Sell price (insta-buy / high): 89 GP
Margin after tax: 81 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 Extended antifire(1) costs 14,000 GP at the current buy price. Across that quantity, the after-tax margin is 162,000 GP.
- Grand Exchange buy limit: 2,000 every 4 hours
- Members-only item
- High alchemy value: 66 GP
- Low alchemy value: 44 GP
- Base value: 110 GP
Extended antifire(1) price history
- Over the past 7 days, the average high ranged from 51 GP to 90 GP across 48 hourly samples. From 2026-11-01 UTC to 2026-11-08 UTC, it moved from 89 GP to 89 GP (0 GP, 0.00%).
- Over the past 30 days, the average high ranged from 14 GP to 170 GP across 221 hourly samples. From 2026-10-09 UTC to 2026-11-08 UTC, it moved from 110 GP to 89 GP (-21 GP, -19.09%).
- Over the past 90 days, the average high ranged from 14 GP to 495 GP across 788 hourly samples. From 2026-08-10 UTC to 2026-11-08 UTC, it moved from 100 GP to 89 GP (-11 GP, -11.00%).
- Over the past 90 days, the highest average high was 495 GP on 2026-09-02 UTC, and the lowest was 14 GP on 2026-10-22 UTC.
As of 2026-11-08 UTC. See this week's market summary.
To cite this page: QuantScapers, "Extended antifire(1) price history", based on OSRS Wiki real-time price data through 2026-11-08 UTC. Calculations by QuantScapers.
What is the Grand Exchange buy limit for Extended antifire(1)?
You can buy up to 2,000 Extended antifire(1) every 4 hours on the Grand Exchange.
Is Extended antifire(1) a members-only item?
Extended antifire(1) is a members-only item and requires OSRS membership to trade.
What is Extended antifire(1)'s current buy and sell price?
At the latest update, Extended antifire(1)'s insta-sell (low) price is 7 GP and its insta-buy (high) price is 89 GP on the Grand Exchange.
How much Grand Exchange tax applies to Extended antifire(1)?
A sale of Extended antifire(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 Extended antifire(1) cost?
Buying the full limit of 2,000 Extended antifire(1) costs 14,000 GP at the current insta-sell price of 7 GP each.