
Most Recent Buy
305,100
Last traded 9m ago
Most Recent Sell
333,671
Last traded 41m 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 333,671 GP and buys for 305,100 GP. After the 2% GE tax that is a 28,571 GP margin and 21,898 GP profit per item (7.2% ROI), with a confidence score of 63/100. Its buy limit of 5 every 4 hours allows up to 109,490 GP profit per full cycle. Roughly 3,497 units have traded over the past 7 days. Over the last 30 days it has traded between 100,000 and 566,038 GP, and the current price is 6.5% 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 333,671 GP and buys for 305,100 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 21,898 GP profit per item, one full buy-limit cycle is worth up to 109,490 GP.
Flipping Black tourmaline core currently returns about 21,898 GP per item after the 2% GE tax, from a 28,571 GP pre-tax margin (7.18% ROI). 07Flip's confidence score for this flip is 63/100, with roughly 3,497 units traded in the last 7 days.
Over the past 30 days Black tourmaline core has traded between 100,000 and 566,038 GP on the Grand Exchange, averaging 407,889 GP. The current sell price is 6.5% below its 7-day average.
High Level Alchemy converts Black tourmaline core into 24,900 GP, 280,200 GP below its current 305,100 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.