Black mask

An inert-seeming cave horror mask.

1.11m gp

↓ 30.9%−494.1k gppast week

Last traded 6m agoLow volume

Updated 47s ago

Black mask is currently trading at 1.11m gp on the Grand Exchange and is down 5.5% over the last 24 hours. Current instant-buy and instant-sell prices are 1.10m gp and 1.11m 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

1.11m gp

Volume (24h)

1,320

Buy vol (24h)

452

Sell vol (24h)

868

Instant-buy

1.10m gp

-5.8% vs day open

Instant-sell

1.11m gp

-5.2% vs day open

Tax (2%)

22.2k gp

Flip margin

−15.4k gp

-1.39% vs buy

Profit per flip

−15.4k gp

At limit 70: 1.07m gp / 4h

Buy limit

Performance

Selected:

1D 1W 30D

Open

1.63m gp

1.09m gp

Low

1.07m gp

High

1.66m gp

Performance

-33.07%

Buy volume

6,243

Sell volume

10,155

Buy / sell ratio

0.61

>1 = more buyers than sellers

Avg daily volume

547

Flip viability

Margin: -15,351 gp per flip

Volume: 1,320 trades / 24h

Buy limit: 70 every 4 hours

Max profit/cycle: -1,074,570 gp

Verdict: High margin, low liquidity

Flip summary

Black Mask currently has a flip margin of −15.4k gp, which isn't profitable to flip right now despite 1,320 trades over the last 24 hours.

Items with negative or zero margins like this are better watched than actively flipped until the spread widens.

Recent activity (5m buckets)

Time	Buy avg	Buy vol	Sell avg	Sell vol	Margin
6m ago(8/5/2026)	1.07m	2	—	–	–
11m ago(8/5/2026)	1.07m	3	1.11m	4	38.6k
16m ago(8/5/2026)	—	–	1.11m	4	–
21m ago(8/5/2026)	1.07m

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