Cannon furnace
This powers the multicannon.
Cannon furnace is a members-only item on the OSRS Grand Exchange. Recent trades put the high price at 204,897 GP (13m ago) and the low price at 188,825 GP (1m ago). Buying at the low price and selling at the high price would leave 11,975 GP per item after the 2% tax (6.34% of the buy price). You can buy up to 70 every four hours. High Alchemy would lose 76,488 GP per cast if you bought it at the low price and paid for the nature rune. 451 were traded in the last 24 hours.
| High | 204,897 GP () |
|---|---|
| Low | 188,825 GP () |
| Tax | 4,097 GP |
| Margin | 11,975 GP |
| ROI | 6.34% |
| Buy limit | 70 every 4 hours |
| High alchemy | 112,500 GP |
Buy price (insta-sell / low): 188,825 GP
Sell price (insta-buy / high): 204,897 GP
Margin after tax: 11,975 GP per unit. Grand Exchange tax on a sale is 4,097 GP.
Buy limit: 70 every 4 hours.
The full buy limit of 70 Cannon furnace costs 13,217,750 GP at the current buy price. Across that quantity, the after-tax margin is 838,250 GP.
- Grand Exchange buy limit: 70 every 4 hours
- Members-only item
- High alchemy value: 112,500 GP
- Low alchemy value: 75,000 GP
- Base value: 187,500 GP
Cannon furnace price history
- Over the past 7 days, the average high ranged from 194,744 GP to 205,000 GP across 58 hourly samples. From 2026-11-01 UTC to 2026-11-08 UTC, it moved from 204,986 GP to 204,897 GP (-89 GP, -0.04%).
- Over the past 30 days, the average high ranged from 181,501 GP to 241,545 GP across 225 hourly samples. From 2026-10-09 UTC to 2026-11-08 UTC, it moved from 196,082 GP to 204,897 GP (+8,815 GP, +4.50%).
- Over the past 90 days, the average high ranged from 181,501 GP to 1,020,000 GP across 639 hourly samples. From 2026-08-10 UTC to 2026-11-08 UTC, it moved from 193,514 GP to 204,897 GP (+11,383 GP, +5.88%).
- Over the past 90 days, the highest average high was 1,020,000 GP on 2026-09-18 UTC, and the lowest was 181,501 GP on 2026-10-23 UTC.
As of 2026-11-08 UTC. See this week's market summary.
To cite this page: QuantScapers, "Cannon furnace 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 Cannon furnace?
You can buy up to 70 Cannon furnace every 4 hours on the Grand Exchange.
Is Cannon furnace a members-only item?
Cannon furnace is a members-only item and requires OSRS membership to trade.
What is Cannon furnace's current buy and sell price?
At the latest update, Cannon furnace's insta-sell (low) price is 188,825 GP and its insta-buy (high) price is 204,897 GP on the Grand Exchange.
How much Grand Exchange tax applies to Cannon furnace?
A sale of Cannon furnace pays the standard 2% Grand Exchange tax, which is 4,097 GP per unit at the current price.
What does a full buy limit of Cannon furnace cost?
Buying the full limit of 70 Cannon furnace costs 13,217,750 GP at the current insta-sell price of 188,825 GP each.