Black tourmaline core

The blackened heart of the Grotesque Guardians.

1.05m gp

↓ 12.3%−146.2k gppast week

Last traded 11m agoLow volume

Updated 9m ago

Black tourmaline core is currently trading at 1.05m gp on the Grand Exchange and is down 5.6% over the last 24 hours. Current instant-buy and instant-sell prices are 1.04m gp and 1.05m gp.

Category: ores · Members only · View on OSRS Wiki

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Live statistics

Market price

1.05m gp

Volume (24h)

422

Buy vol (24h)

332

Sell vol (24h)

Instant-buy

1.04m gp

-5.9% vs day open

Instant-sell

1.05m gp

-5.2% vs day open

Tax (2%)

21.0k gp

Flip margin

−13.7k gp

-1.31% vs buy

Profit per flip

−13.7k gp

At limit 5: 68.3k gp / 4h

Buy limit

Performance

Selected:

1D 1W 30D

Open

1.19m gp

1.00m gp

Low

951.9k gp

High

1.27m gp

Performance

-15.94%

Buy volume

491

Sell volume

133

Buy / sell ratio

3.69

>1 = more buyers than sellers

Avg daily volume

Flip viability

Margin: -13,655 gp per flip

Volume: 422 trades / 24h

Buy limit: 5 every 4 hours

Max profit/cycle: -68,275 gp

Verdict: High margin, low liquidity

Recent activity (5m buckets)

Time	Buy avg	Buy vol	Sell avg	Sell vol	Margin
11m ago(6/24/2026)	1.04m	1	—	–	–
41m ago(6/24/2026)	—	–	1.05m	1	–
56m ago(6/24/2026)	—	–	990.5k	1	–
1h ago(6/24/2026)	1.01m

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