Black tourmaline core price history on 2026-11-08

Black tourmaline core price history

• Over the past 7 days, the average high ranged from 311,094 GP to 333,671 GP across 14 hourly samples. From 2026-11-02 UTC to 2026-11-08 UTC, it moved from 311,094 GP to 316,988 GP (+5,894 GP, +1.89%).
• Over the past 30 days, the average high ranged from 270,296 GP to 541,468 GP across 48 hourly samples. From 2026-10-10 UTC to 2026-11-08 UTC, it moved from 447,000 GP to 316,988 GP (-130,012 GP, -29.09%).
• Over the past 90 days, the average high ranged from 270,296 GP to 700,000 GP across 119 hourly samples. From 2026-08-11 UTC to 2026-11-08 UTC, it moved from 658,654 GP to 316,988 GP (-341,666 GP, -51.87%).
• Over the past 90 days, the highest average high was 700,000 GP on 2026-08-13 UTC, and the lowest was 270,296 GP on 2026-10-25 UTC.

As of 2026-11-08 UTC. See this week's market summary.