A magic cave horror mask.
1.09m gp
Updated 1m ago
Black mask (10) is currently trading at 1.09m gp on the Grand Exchange and is down 10.8% over the last 24 hours. Current instant-buy and instant-sell prices are 1.07m gp and 1.10m gp.
Category: other · Members only · View on OSRS Wiki
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Black Mask (10) is a members-only item on the OSRS Grand Exchange in the other category.
In-game examine text: "A magic cave horror mask."
It has a Grand Exchange buy limit of 70 every four hours, a high alchemy value of 1.8k gp, and item ID 8901.
Margin: 13.3k gp per flip
Volume: 1,117 trades / 24h
Buy limit: 70 every 4 hours
Max profit/cycle: 933.9k gp
Verdict: High margin with healthy liquidity
Black Mask (10) shows an active flip setup with a margin of +13.3k gp and 1,117 trades over the last 24 hours.
At the buy limit of 70 every four hours, max profit per cycle is about 933.9k gp — high margin with healthy liquidity.
| Time | Buy avg | Buy vol | Sell avg | Sell vol | Margin |
|---|---|---|---|---|---|
| 7m ago(8/5/2026) | 1.07m | 4 | 1.10m | 4 | 33.5k |
| 12m ago(8/5/2026) | 1.07m | 4 | 1.10m | 1 | 31.6k |
| 17m ago(8/5/2026) | 1.07m | 2 | — | – | – |
| 27m ago(8/5/2026) | 1.06m |
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| 4 |
| 1.11m |
| 2 |
| 46.1k |
| 32m ago(8/5/2026) | — | – | 1.10m | 3 | – |
| 37m ago(8/5/2026) | — | – | 1.11m | 4 | – |
| 42m ago(8/5/2026) | 1.06m | 8 | 1.10m | 4 | 42.9k |
| 47m ago(8/5/2026) | 1.06m | 2 | — | – | – |
| 57m ago(8/5/2026) | 1.06m | 8 | — | – | – |
| 1h ago(8/5/2026) | 1.06m | 2 | 1.10m | 2 | 38.9k |
| 1h ago(8/5/2026) | — | – | 1.09m | 2 | – |
| 1h ago(8/5/2026) | 1.06m | 1 | — | – | – |
Black wizard hat (g)
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