
Most Recent Buy
450,000
Last traded 26m ago
Most Recent Sell
467,007
Last traded 2h ago
07Flip Buy
07Flip Sell
Black tourmaline core is a members item tradeable on the Old School RuneScape Grand Exchange: The blackened heart of the Grotesque Guardians. It currently sells (instant) for 467,007 GP and buys for 450,000 GP. After the 2% GE tax that is a 17,007 GP margin and 7,667 GP profit per item (1.7% ROI), with a confidence score of 50/100. Its buy limit of 5 every 4 hours allows up to 38,335 GP profit per full cycle. Roughly 2,833 units have traded over the past 7 days. Over the last 30 days it has traded between 130,000 and 677,272 GP, and the current price is 1.3% below its 7-day average. High alchemy returns 24,900 GP — below its current buy price, so flipping is more profitable than alching. Prices update every minute from the OSRS Wiki Real-Time Prices API.
The chart above shows Black tourmaline core's price history with RSI, MACD, EMA, and Fibonacci retracement indicators to help identify trends before placing Grand Exchange offers.
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Black tourmaline core currently sells for 467,007 GP and buys for 450,000 GP on the OSRS Grand Exchange. 07Flip refreshes this price every minute from the OSRS Wiki Real-Time Prices API.
The Grand Exchange buy limit for Black tourmaline core is 5 every 4 hours. At the current 7,667 GP profit per item, one full buy-limit cycle is worth up to 38,335 GP.
Flipping Black tourmaline core currently returns about 7,667 GP per item after the 2% GE tax, from a 17,007 GP pre-tax margin (1.70% ROI). 07Flip's confidence score for this flip is 50/100, with roughly 2,833 units traded in the last 7 days.
Over the past 30 days Black tourmaline core has traded between 130,000 and 677,272 GP on the Grand Exchange, averaging 527,792 GP. The current sell price is 1.3% below its 7-day average.
High Level Alchemy converts Black tourmaline core into 24,900 GP, 425,100 GP below its current 450,000 GP buy price, so alching it loses money.
Yes. Black tourmaline core is a members item, so it can only be bought, sold and used on a membership account.