Black mask
An inert-seeming cave horror mask.
Black mask is a members-only item on the OSRS Grand Exchange. The latest high price is 986,456 GP (3m ago) and the low price is 959,624 GP (8m ago). Buying at the low price and selling at the high price would leave 7,103 GP per item after the 2% tax (0.74% of the buy price). You can buy up to 70 every four hours. Buying one at the low price and casting High Alchemy with a nature rune would lose 957,990 GP. 795 were traded in the last 24 hours.
| High | 986,456 GP () |
|---|---|
| Low | 959,624 GP () |
| Tax | 19,729 GP |
| Margin | 7,103 GP |
| ROI | 0.74% |
| Buy limit | 70 every 4 hours |
| High alchemy | 1,800 GP |
Buy price (insta-sell / low): 959,624 GP
Sell price (insta-buy / high): 986,456 GP
Margin after tax: 7,103 GP per unit. Grand Exchange tax on a sale is 19,729 GP.
Buy limit: 70 every 4 hours.
The full buy limit of 70 Black mask costs 67,173,680 GP at the current buy price. Across that quantity, the after-tax margin is 497,210 GP.
- Grand Exchange buy limit: 70 every 4 hours
- Members-only item
- High alchemy value: 1,800 GP
- Low alchemy value: 1,200 GP
- Base value: 3,000 GP
Black mask price history
- Over the past 7 days, the average high ranged from 881,053 GP to 1,097,118 GP across 141 hourly samples. From 2026-11-01 UTC to 2026-11-08 UTC, it moved from 881,053 GP to 985,283 GP (+104,230 GP, +11.83%).
- Over the past 30 days, the average high ranged from 724,242 GP to 1,160,786 GP across 583 hourly samples. From 2026-10-09 UTC to 2026-11-08 UTC, it moved from 963,469 GP to 985,283 GP (+21,814 GP, +2.26%).
- Over the past 90 days, the average high ranged from 724,242 GP to 1,385,702 GP across 1,600 hourly samples. From 2026-08-10 UTC to 2026-11-08 UTC, it moved from 944,771 GP to 985,283 GP (+40,512 GP, +4.29%).
- Over the past 90 days, the highest average high was 1,385,702 GP on 2026-09-28 UTC, and the lowest was 724,242 GP on 2026-10-24 UTC.
As of 2026-11-08 UTC. See this week's market summary.
To cite this page: QuantScapers, "Black mask 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 Black mask?
You can buy up to 70 Black mask every 4 hours on the Grand Exchange.
Is Black mask a members-only item?
Black mask is a members-only item and requires OSRS membership to trade.
What is Black mask's current buy and sell price?
At the latest update, Black mask's insta-sell (low) price is 959,624 GP and its insta-buy (high) price is 986,456 GP on the Grand Exchange.
How much Grand Exchange tax applies to Black mask?
A sale of Black mask pays the standard 2% Grand Exchange tax, which is 19,729 GP per unit at the current price.
What does a full buy limit of Black mask cost?
Buying the full limit of 70 Black mask costs 67,173,680 GP at the current insta-sell price of 959,624 GP each.