Black demon mask
Evil.
Black demon mask is a members-only item on the OSRS Grand Exchange. The latest high price is 17,272 GP (44m ago) and the low price is 15,642 GP (1m ago). Buying at the low price and selling at the high price would leave 1,285 GP per item after the 2% tax (8.22% of the buy price). You can buy up to 4 every four hours. Buying one at the low price and casting High Alchemy with a nature rune would lose 13,406 GP. 45 were traded in the last 24 hours.
| High | 17,272 GP () |
|---|---|
| Low | 15,642 GP () |
| Tax | 345 GP |
| Margin | 1,285 GP |
| ROI | 8.22% |
| Buy limit | 4 every 4 hours |
| High alchemy | 2,400 GP |
Buy price (insta-sell / low): 15,642 GP
Sell price (insta-buy / high): 17,272 GP
Margin after tax: 1,285 GP per unit. Grand Exchange tax on a sale is 345 GP.
Buy limit: 4 every 4 hours.
The full buy limit of 4 Black demon mask costs 62,568 GP at the current buy price. Across that quantity, the after-tax margin is 5,140 GP.
- Grand Exchange buy limit: 4 every 4 hours
- Members-only item
- High alchemy value: 2,400 GP
- Low alchemy value: 1,600 GP
- Base value: 4,000 GP
Black demon mask price history
- Over the past 7 days, the average high ranged from 15,746 GP to 44,999 GP across 12 hourly samples. From 2026-11-01 UTC to 2026-11-07 UTC, it moved from 15,764 GP to 16,841 GP (+1,077 GP, +6.83%).
- Over the past 30 days, the average high ranged from 15,419 GP to 90,000 GP across 46 hourly samples. From 2026-10-10 UTC to 2026-11-07 UTC, it moved from 39,990 GP to 16,841 GP (-23,149 GP, -57.89%).
- Over the past 90 days, the average high ranged from 10,000 GP to 90,000 GP across 94 hourly samples. From 2026-08-11 UTC to 2026-11-07 UTC, it moved from 15,710 GP to 16,841 GP (+1,131 GP, +7.20%).
- Over the past 90 days, the highest average high was 90,000 GP on 2026-11-01 UTC, and the lowest was 10,000 GP on 2026-09-25 UTC.
As of 2026-11-07 UTC. See this week's market summary.
To cite this page: QuantScapers, "Black demon mask 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 Black demon mask?
You can buy up to 4 Black demon mask every 4 hours on the Grand Exchange.
Is Black demon mask a members-only item?
Black demon mask is a members-only item and requires OSRS membership to trade.
What is Black demon mask's current buy and sell price?
At the latest update, Black demon mask's insta-sell (low) price is 15,642 GP and its insta-buy (high) price is 17,272 GP on the Grand Exchange.
How much Grand Exchange tax applies to Black demon mask?
A sale of Black demon mask pays the standard 2% Grand Exchange tax, which is 345 GP per unit at the current price.
What does a full buy limit of Black demon mask cost?
Buying the full limit of 4 Black demon mask costs 62,568 GP at the current insta-sell price of 15,642 GP each.