Black mask

An inert-seeming cave horror mask.

875.2k gp

↓ 46.0%−744.4k gppast week

Last traded 5m agoActive flip

Updated 29s ago

Black mask is currently trading at 875.2k gp on the Grand Exchange and is down 22.9% over the last 24 hours. Current instant-buy and instant-sell prices are 860.0k gp and 890.4k gp.

Category: other · Members only · View on OSRS Wiki

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About Black Mask

Black Mask is a members-only item on the OSRS Grand Exchange in the other category.

In-game examine text: "An inert-seeming 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 8921.

View on OSRS Wiki

Live statistics

Market price

875.2k gp

Volume (24h)

2,145

Buy vol (24h)

746

Sell vol (24h)

1,399

Instant-buy

860.0k gp

-24.2% vs day open

Instant-sell

890.4k gp

-21.5% vs day open

Tax (2%)

17.8k gp

Flip margin

+12.6k gp

+1.46% vs buy

Profit per flip

+12.6k gp

At limit 70: 878.5k gp / 4h

Buy limit

Performance

Selected:

1D 1W 30D

Open

1.62m gp

898.6k gp

Low

889.7k gp

High

1.64m gp

Performance

-44.51%

Buy volume

3,189

Sell volume

5,724

Buy / sell ratio

0.56

>1 = more buyers than sellers

Avg daily volume

1,273

Flip viability

Margin: 12.6k gp per flip

Volume: 2,145 trades / 24h

Buy limit: 70 every 4 hours

Max profit/cycle: 878.5k gp

Verdict: High margin with healthy liquidity

Flip summary

Black Mask shows an active flip setup with a margin of +12.6k gp and 2,145 trades over the last 24 hours.

At the buy limit of 70 every four hours, max profit per cycle is about 878.5k gp — high margin with healthy liquidity.

Recent activity (5m buckets)

Time	Buy avg	Buy vol	Sell avg	Sell vol	Margin
5m ago(8/6/2026)	860.0k	1	890.2k	7	30.1k
10m ago(8/6/2026)	—	–	869.6k	20	–
15m ago(8/6/2026)	866.8k	2	869.6k	6	2.8k
20m ago(8/6/2026)	—

Related items

Black mask (10)

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Black demon mask

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Lava dragon mask

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Black gold-trimmed set (lg)

373.5k gp

Black gold-trimmed set (sk)

345.8k gp

Black wizard robe (g)

194.5k gp

Black wizard hat (g)

170.3k gp

Black wizard hat (t)

115.6k gp

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