Stock listing
TPEx:6434 TacBright Optronics Corp. (達輝光電) 股價
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Share price · TPEX:6434
$14.65 TWD -0.40 (-2.7%)
Close on Oct 30, 2026
- Day range
- $13.60 – $14.80 TWDOct 30, 2026
- Volume
- 443,439 sharesOct 30, 2026
- Market cap
- $6.79B TWDAt the close on Oct 30, 2026 · price × 463.6M shares outstanding
- Traded on an average day
- $9.01M TWDMedian day 321,513 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:6434 · TWD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $14.65 | -0.40 | -2.7% | $14.30 | $14.80 | $13.60 | 443,439 | |
| $15.05 | +0.15 | +1.0% | $15.05 | $15.05 | $14.35 | 151,948 | |
| $14.90 | +0.15 | +1.0% | $15.15 | $15.25 | $14.35 | 338,124 | |
| $14.75 | +0.30 | +2.1% | $15.00 | $15.15 | $14.50 | 244,398 | |
| $14.45 | -0.55 | -3.7% | $14.45 | $14.45 | $14.45 | 0 | |
| $15.00 | -0.40 | -2.6% | $15.50 | $15.50 | $14.45 | 321,513 | |
| $15.40 | +0.50 | +3.4% | $14.90 | $15.55 | $14.75 | 177,258 | |
| $14.90 | -0.20 | -1.3% | $15.20 | $15.60 | $14.30 | 284,211 | |
| $15.10 | -0.40 | -2.6% | $15.00 | $15.20 | $14.50 | 306,465 | |
| $15.50 | -0.15 | -1.0% | $15.75 | $15.90 | $15.10 | 345,407 | |
| $15.65 | -0.15 | -0.9% | $15.40 | $16.10 | $14.85 | 611,164 | |
| $15.80 | -0.05 | -0.3% | $15.40 | $16.60 | $15.40 | 287,327 | |
| $15.85 | +0.30 | +1.9% | $15.40 | $16.10 | $15.15 | 358,879 | |
| $15.55 | -0.25 | -1.6% | $15.75 | $16.30 | $15.45 | 388,184 | |
| $15.80 | -0.65 | -4.0% | $15.70 | $16.40 | $15.70 | 555,541 | |
| $16.45 | -0.15 | -0.9% | $17.00 | $17.55 | $15.20 | 1,115,721 | |
| $16.60 | -1.00 | -5.7% | $17.50 | $18.80 | $16.00 | 2,573,339 | |
| $17.60 | +2.70 | +18.1% | $15.20 | $17.95 | $15.00 | 3,962,414 | |
| $14.90 | +0.45 | +3.1% | $14.90 | $15.00 | $14.50 | 851,326 | |
| $14.45 | -0.25 | -1.7% | $14.70 | $14.70 | $14.10 | 374,361 | |
| $14.70 | +0.45 | +3.2% | $14.45 | $15.10 | $14.00 | 662,806 | |
| $14.25 | +0.05 | +0.4% | $14.50 | $14.55 | $14.00 | 236,813 | |
| $14.20 | +0.15 | +1.1% | $14.40 | $14.40 | $13.90 | 149,473 | |
| $14.05 | +0.05 | +0.4% | $13.95 | $14.35 | $13.90 | 248,569 | |
| $14.00 | -0.35 | -2.4% | $14.50 | $14.60 | $13.95 | 328,969 | |
| $14.35 | -0.05 | -0.3% | $14.65 | $14.70 | $14.00 | 626,149 | |
| $14.40 | +0.15 | +1.1% | $14.70 | $14.80 | $14.00 | 170,695 | |
| $14.25 | -0.15 | -1.0% | $14.60 | $14.60 | $13.90 | 302,612 | |
| $14.40 | +0.10 | +0.7% | $14.60 | $14.70 | $14.00 | 105,013 | |
| $14.30 | -0.30 | -2.1% | $14.75 | $14.75 | $14.05 | 180,201 | |
| $14.60 | -0.40 | -2.7% | $14.60 | $14.95 | $14.00 | 180,810 | |
| $15.00 | +0.50 | +3.4% | $14.10 | $15.00 | $14.05 | 102,437 | |
| $14.50 | -0.90 | -5.8% | $14.70 | $15.25 | $14.00 | 204,309 | |
| $15.40 | +0.40 | +2.7% | $15.00 | $16.00 | $14.85 | 410,995 | |
| $15.00 | +0.20 | +1.4% | $15.15 | $15.30 | $14.50 | 285,999 | |
| $14.80 | +0.35 | +2.4% | $14.55 | $15.10 | $14.20 | 308,576 | |
| $14.45 | +0.05 | +0.3% | $14.70 | $15.40 | $14.35 | 382,752 | |
| $14.40 | -1.10 | -7.1% | $15.40 | $16.20 | $14.25 | 778,705 | |
| $15.50 | -0.60 | -3.7% | $16.10 | $16.10 | $15.00 | 607,372 | |
| $16.10 | +1.30 | +8.8% | $14.80 | $16.10 | $14.80 | 1,370,232 | |
| $14.80 | -0.20 | -1.3% | $14.65 | $15.30 | $14.65 | 199,193 | |
| $15.00 | +0.20 | +1.4% | $14.75 | $15.00 | $14.70 | 176,898 | |
| $14.80 | -0.20 | -1.3% | $15.50 | $15.50 | $14.75 | 267,589 | |
| $15.00 | -0.40 | -2.6% | $15.10 | $15.50 | $14.85 | 218,635 | |
| $15.40 | +0.15 | +1.0% | $15.00 | $15.60 | $14.75 | 134,956 | |
| $15.25 | -0.10 | -0.7% | $15.85 | $15.95 | $15.10 | 223,038 | |
| $15.35 | -0.50 | -3.2% | $15.50 | $15.90 | $15.00 | 235,794 | |
| $15.85 | +0.50 | +3.3% | $15.50 | $16.50 | $15.15 | 399,257 | |
| $15.35 | +0.50 | +3.4% | $14.65 | $15.60 | $14.50 | 381,339 | |
| $14.85 | -0.55 | -3.6% | $14.90 | $15.50 | $14.75 | 226,382 | |
| $15.40 | +0.30 | +2.0% | $15.10 | $15.65 | $14.70 | 428,194 | |
| $15.10 | -0.50 | -3.2% | $16.25 | $16.40 | $15.00 | 229,956 | |
| $15.60 | -0.45 | -2.8% | $16.05 | $16.30 | $15.10 | 385,400 | |
| $16.05 | 0.00 | 0.0% | $16.05 | $16.50 | $15.50 | 232,240 | |
| $16.05 | -0.35 | -2.1% | $16.20 | $16.50 | $15.50 | 250,258 | |
| $16.40 | +0.40 | +2.5% | $16.05 | $17.35 | $15.80 | 587,794 | |
| $16.00 | -0.10 | -0.6% | $16.15 | $16.15 | $15.10 | 253,488 | |
| $16.10 | -1.05 | -6.1% | $17.10 | $17.30 | $14.85 | 877,469 | |
| $17.15 | -1.30 | -7.0% | $18.20 | $19.10 | $15.85 | 1,458,772 | |
| $18.45 | -0.65 | -3.4% | $19.00 | $19.50 | $16.20 | 1,751,500 | |
| $19.10 | +5.20 | +37.4% | $14.00 | $19.40 | $13.30 | 2,902,031 | |
| $13.90 | +3.65 | +35.6% | $10.25 | $15.15 | $10.25 | 1,494,583 | |
| $10.25 | +0.26 | +2.6% | $10.10 | $10.25 | $9.50 | 846,298 |
- Ticker
- TPEx:6434
- Asset type
- Stock
- Exchange
- TPEx
- Currency
- TWD
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