Extended antifire(4)
4 doses of extended anti-firebreath potion.
Extended antifire(4) is a members-only item on the OSRS Grand Exchange. Recent trades put the high price at 246 GP (1m ago) and the low price at 236 GP (4m ago). Buying at the low price and selling at the high price would leave 6 GP per item after the 2% tax (2.54% of the buy price). You can buy up to 2,000 every four hours. High Alchemy would lose 136 GP per cast if you bought it at the low price and paid for the nature rune. 127,247 were traded in the last 24 hours.
| High | 246 GP () |
|---|---|
| Low | 236 GP () |
| Tax | 4 GP |
| Margin | 6 GP |
| ROI | 2.54% |
| Buy limit | 2,000 every 4 hours |
| High alchemy | 264 GP |
Buy price (insta-sell / low): 236 GP
Sell price (insta-buy / high): 246 GP
Margin after tax: 6 GP per unit. Grand Exchange tax on a sale is 4 GP.
Buy limit: 2,000 every 4 hours.
The full buy limit of 2,000 Extended antifire(4) costs 472,000 GP at the current buy price. Across that quantity, the after-tax margin is 12,000 GP.
- Grand Exchange buy limit: 2,000 every 4 hours
- Members-only item
- High alchemy value: 264 GP
- Low alchemy value: 176 GP
- Base value: 440 GP
Extended antifire(4) price history
- Over the past 7 days, the average high ranged from 221 GP to 385 GP across 144 hourly samples. From 2026-11-01 UTC to 2026-11-08 UTC, it moved from 304 GP to 241 GP (-63 GP, -20.72%).
- Over the past 30 days, the average high ranged from 150 GP to 385 GP across 602 hourly samples. From 2026-10-09 UTC to 2026-11-08 UTC, it moved from 363 GP to 241 GP (-122 GP, -33.61%).
- Over the past 90 days, the average high ranged from 150 GP to 499 GP across 1,679 hourly samples. From 2026-08-10 UTC to 2026-11-08 UTC, it moved from 240 GP to 241 GP (+1 GP, +0.42%).
- Over the past 90 days, the highest average high was 499 GP on 2026-10-07 UTC, and the lowest was 150 GP on 2026-10-18 UTC.
As of 2026-11-08 UTC. See this week's market summary.
To cite this page: QuantScapers, "Extended antifire(4) 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(4)?
You can buy up to 2,000 Extended antifire(4) every 4 hours on the Grand Exchange.
Is Extended antifire(4) a members-only item?
Extended antifire(4) is a members-only item and requires OSRS membership to trade.
What is Extended antifire(4)'s current buy and sell price?
At the latest update, Extended antifire(4)'s insta-sell (low) price is 236 GP and its insta-buy (high) price is 246 GP on the Grand Exchange.
How much Grand Exchange tax applies to Extended antifire(4)?
A sale of Extended antifire(4) pays the standard 2% Grand Exchange tax, which is 4 GP per unit at the current price.
What does a full buy limit of Extended antifire(4) cost?
Buying the full limit of 2,000 Extended antifire(4) costs 472,000 GP at the current insta-sell price of 236 GP each.