Stock listing
TPEx:6815 Diamond Biotechnology Co., Ltd. (晶鑽生醫) 股價
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Share price · TPEX:6815
$20.95 TWD +0.25 (+1.2%)
Close on Oct 30, 2026
- Day range
- $20.45 – $20.95 TWDOct 30, 2026
- Volume
- 5,128 sharesOct 30, 2026
- Market cap
- $827.4M TWDAt the close on Oct 30, 2026 · price × 39.49M shares outstanding
- 52-week range
- $20.45 – $72.00 TWDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- $484,827 TWDMedian day 13,005 shares · 1 day with no trades · last 3 months, Jul 30, 2026 – Oct 30, 2026
Daily closes
Last 3 months, Jul 30, 2026 – Oct 30, 2026 · TPEX:6815 · TWD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $20.95 | +0.25 | +1.2% | $20.65 | $20.95 | $20.45 | 5,128 | |
| $20.70 | -0.25 | -1.2% | $20.95 | $20.95 | $20.45 | 2,028 | |
| $20.95 | +0.20 | +1.0% | $20.95 | $21.40 | $20.60 | 10,506 | |
| $20.75 | -0.75 | -3.5% | $20.70 | $21.00 | $20.65 | 17,747 | |
| $21.50 | 0.00 | 0.0% | $21.50 | $21.50 | $21.50 | 0 | |
| $21.50 | -0.05 | -0.2% | $21.45 | $21.55 | $21.40 | 5,286 | |
| $21.55 | +0.10 | +0.5% | $21.45 | $21.70 | $21.35 | 66,784 | |
| $21.45 | -0.05 | -0.2% | $21.45 | $21.45 | $20.70 | 137 | |
| $21.50 | -0.50 | -2.3% | $22.50 | $22.50 | $20.65 | 27,108 | |
| $22.00 | +0.15 | +0.7% | $21.15 | $22.00 | $21.10 | 28,271 | |
| $21.85 | -0.20 | -0.9% | $22.00 | $22.00 | $21.00 | 7,727 | |
| $22.05 | -0.35 | -1.6% | $22.40 | $22.40 | $21.85 | 19,433 | |
| $22.40 | -0.20 | -0.9% | $22.00 | $22.40 | $21.80 | 3,204 | |
| $22.60 | -0.05 | -0.2% | $22.60 | $22.60 | $22.10 | 4,836 | |
| $22.65 | +0.45 | +2.0% | $22.30 | $22.95 | $22.00 | 42,010 | |
| $22.20 | -0.20 | -0.9% | $22.40 | $22.40 | $21.90 | 3,237 | |
| $22.40 | +0.30 | +1.4% | $22.75 | $22.75 | $21.90 | 8,014 | |
| $22.10 | -0.35 | -1.6% | $23.00 | $23.00 | $21.90 | 32,579 | |
| $22.45 | -0.35 | -1.5% | $22.80 | $22.80 | $22.00 | 2,234 | |
| $22.80 | -0.10 | -0.4% | $22.55 | $22.90 | $22.55 | 17,710 | |
| $22.90 | -0.20 | -0.9% | $23.10 | $23.10 | $22.05 | 7,006 | |
| $23.10 | -0.75 | -3.1% | $23.85 | $23.85 | $23.00 | 27,504 | |
| $23.85 | +0.25 | +1.1% | $23.60 | $23.90 | $23.05 | 3,150 | |
| $23.60 | -0.20 | -0.8% | $23.90 | $23.90 | $23.05 | 1,504 | |
| $23.80 | +0.85 | +3.7% | $23.95 | $23.95 | $22.80 | 37,002 | |
| $22.95 | +0.20 | +0.9% | $22.80 | $23.95 | $22.05 | 19,758 | |
| $22.75 | +0.25 | +1.1% | $22.50 | $22.95 | $22.30 | 9,004 | |
| $22.50 | 0.00 | 0.0% | $22.50 | $22.50 | $22.15 | 2,914 | |
| $22.50 | -0.25 | -1.1% | $22.05 | $22.75 | $22.00 | 40,040 | |
| $22.75 | -0.10 | -0.4% | $22.85 | $22.85 | $22.05 | 1,002 | |
| $22.85 | 0.00 | 0.0% | $22.75 | $22.95 | $21.90 | 14,894 | |
| $22.85 | -0.15 | -0.7% | $22.90 | $22.90 | $22.05 | 6,833 | |
| $23.00 | -0.55 | -2.3% | $23.50 | $23.50 | $22.80 | 18,284 | |
| $23.55 | 0.00 | 0.0% | $23.55 | $23.55 | $23.05 | 25,877 | |
| $23.55 | +0.25 | +1.1% | $23.50 | $23.60 | $23.05 | 6,667 | |
| $23.30 | -0.15 | -0.6% | $23.50 | $23.60 | $23.10 | 15,097 | |
| $23.45 | 0.00 | 0.0% | $23.50 | $23.50 | $23.10 | 18,693 | |
| $23.45 | +0.05 | +0.2% | $23.40 | $23.50 | $23.10 | 20,504 | |
| $23.40 | -0.10 | -0.4% | $23.95 | $23.95 | $22.80 | 12,589 | |
| $23.50 | -1.30 | -5.2% | $24.80 | $24.90 | $23.00 | 54,136 | |
| $24.80 | -1.20 | -4.6% | $25.95 | $25.95 | $24.15 | 17,488 | |
| $26.00 | +2.00 | +8.3% | $27.25 | $27.25 | $23.75 | 72,131 | |
| $24.00 | 0.00 | 0.0% | $24.40 | $24.40 | $23.70 | 17,373 | |
| $24.00 | -0.25 | -1.0% | $24.05 | $24.40 | $23.45 | 61,950 | |
| $24.25 | -0.75 | -3.0% | $25.00 | $25.00 | $24.15 | 55,607 | |
| $25.00 | 0.00 | 0.0% | $24.70 | $25.00 | $24.55 | 8,652 | |
| $25.00 | +0.40 | +1.6% | $24.60 | $25.00 | $24.35 | 1,209 | |
| $24.60 | -0.40 | -1.6% | $24.50 | $25.00 | $24.50 | 1,151 | |
| $25.00 | +0.05 | +0.2% | $24.95 | $25.00 | $24.40 | 5,015 | |
| $24.95 | 0.00 | 0.0% | $24.95 | $24.95 | $24.85 | 6,501 | |
| $24.95 | 0.00 | 0.0% | $24.95 | $24.95 | $24.30 | 1,103 | |
| $24.95 | -0.05 | -0.2% | $24.30 | $24.95 | $24.30 | 16,021 | |
| $25.00 | +0.15 | +0.6% | $24.95 | $25.00 | $23.20 | 24,489 | |
| $24.85 | 0.00 | 0.0% | $24.40 | $25.00 | $24.30 | 5,145 | |
| $24.85 | -0.15 | -0.6% | $25.00 | $25.00 | $24.30 | 11,108 | |
| $25.00 | +0.70 | +2.9% | $24.20 | $25.00 | $24.20 | 13,005 | |
| $24.30 | -0.30 | -1.2% | $24.90 | $24.95 | $23.40 | 33,627 | |
| $24.60 | -1.35 | -5.2% | $25.85 | $25.85 | $24.25 | 73,496 | |
| $25.95 | +0.45 | +1.8% | $25.35 | $26.00 | $25.35 | 33,253 | |
| $25.50 | -1.20 | -4.5% | $26.05 | $26.05 | $24.80 | 145,968 | |
| $26.70 | +0.70 | +2.7% | $26.00 | $26.80 | $26.00 | 9,586 | |
| $26.00 | +0.40 | +1.6% | $25.60 | $26.80 | $25.60 | 17,907 | |
| $25.60 | +0.15 | +0.6% | $25.60 | $25.60 | $25.00 | 4,329 |
- Ticker
- TPEx:6815
- Asset type
- Stock
- Exchange
- TPEx
- Currency
- TWD
What changed lately
Latest news release · Jan 29, 2026
Diamond Bio, Gentlerege in licensing deal with Laboratoires Fill-Med on Neofilera products
Latest news
Diamond Bio, Gentlerege in licensing deal with Laboratoires Fill-Med on Neofilera products
Jan 29, 2026
Closed $65.10 (-2.4%) on Jan 30, 2026
Diamond Biotechnology Co., Ltd. on 6ix
- News releases
- 1 in the last 12 months · 1 in all · newest Jan 29, 2026 · oldest 2026
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