Extended super antifire(4)
4 doses of extended super anti-firebreath potion.
Extended super antifire(4) is a members-only item on the OSRS Grand Exchange. Recent trades put the high price at 18,456 GP (1m ago) and the low price at 18,057 GP (1m ago). Buying at the low price and selling at the high price would leave 30 GP per item after the 2% tax (0.17% of the buy price). You can buy up to 2,000 every four hours. High Alchemy would lose 17,741 GP per cast if you bought it at the low price and paid for the nature rune. 50,358 were traded in the last 24 hours.
| High | 18,456 GP () |
|---|---|
| Low | 18,057 GP () |
| Tax | 369 GP |
| Margin | 30 GP |
| ROI | 0.17% |
| Buy limit | 2,000 every 4 hours |
| High alchemy | 480 GP |
Buy price (insta-sell / low): 18,057 GP
Sell price (insta-buy / high): 18,456 GP
Margin after tax: 30 GP per unit. Grand Exchange tax on a sale is 369 GP.
Buy limit: 2,000 every 4 hours.
The full buy limit of 2,000 Extended super antifire(4) costs 36,114,000 GP at the current buy price. Across that quantity, the after-tax margin is 60,000 GP.
- Grand Exchange buy limit: 2,000 every 4 hours
- Members-only item
- High alchemy value: 480 GP
- Low alchemy value: 320 GP
- Base value: 800 GP
Extended super antifire(4) price history
- Over the past 7 days, the average high ranged from 17,329 GP to 18,621 GP across 166 hourly samples. From 2026-11-01 UTC to 2026-11-08 UTC, it moved from 17,411 GP to 18,456 GP (+1,045 GP, +6.00%).
- Over the past 30 days, the average high ranged from 16,888 GP to 21,499 GP across 717 hourly samples. From 2026-10-09 UTC to 2026-11-08 UTC, it moved from 19,100 GP to 18,456 GP (-644 GP, -3.37%).
- Over the past 90 days, the average high ranged from 16,888 GP to 21,644 GP across 2,082 hourly samples. From 2026-08-10 UTC to 2026-11-08 UTC, it moved from 18,158 GP to 18,456 GP (+298 GP, +1.64%).
- Over the past 90 days, the highest average high was 21,644 GP on 2026-10-04 UTC, and the lowest was 16,888 GP on 2026-10-27 UTC.
As of 2026-11-08 UTC. See this week's market summary.
To cite this page: QuantScapers, "Extended super 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 super antifire(4)?
You can buy up to 2,000 Extended super antifire(4) every 4 hours on the Grand Exchange.
Is Extended super antifire(4) a members-only item?
Extended super antifire(4) is a members-only item and requires OSRS membership to trade.
What is Extended super antifire(4)'s current buy and sell price?
At the latest update, Extended super antifire(4)'s insta-sell (low) price is 18,057 GP and its insta-buy (high) price is 18,456 GP on the Grand Exchange.
How much Grand Exchange tax applies to Extended super antifire(4)?
A sale of Extended super antifire(4) pays the standard 2% Grand Exchange tax, which is 369 GP per unit at the current price.
What does a full buy limit of Extended super antifire(4) cost?
Buying the full limit of 2,000 Extended super antifire(4) costs 36,114,000 GP at the current insta-sell price of 18,057 GP each.