Stock listing
Shenzhen:300691 Union Optech Co. Ltd. (联合光电) 股价
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Share price · SZSE:300691
¥12.91 CNY -0.91 (-6.6%)
Close on Oct 30, 2026
- Day range
- ¥12.90 – ¥13.91 CNYOct 30, 2026
- Volume
- 9.24M sharesOct 30, 2026
- Market cap
- ¥3.47B CNYAt the close on Oct 30, 2026 · price × 269.0M shares outstanding
- 52-week range
- ¥11.11 – ¥22.65 CNYLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- ¥176.0M CNYMedian day 4.81M shares · last 3 months, Jul 30, 2026 – Oct 30, 2026

Daily closes
Last 3 months, Jul 30, 2026 – Oct 30, 2026 · SZSE:300691 · CNY, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| ¥12.91 | -0.91 | -6.6% | ¥13.91 | ¥13.91 | ¥12.90 | 9,244,577 | |
| ¥13.82 | -1.09 | -7.3% | ¥14.68 | ¥14.86 | ¥13.82 | 8,817,900 | |
| ¥14.91 | +0.27 | +1.8% | ¥14.57 | ¥15.03 | ¥14.27 | 7,459,613 | |
| ¥14.64 | -0.49 | -3.2% | ¥15.18 | ¥15.49 | ¥14.60 | 7,693,901 | |
| ¥15.13 | +0.04 | +0.3% | ¥14.90 | ¥15.46 | ¥14.89 | 10,087,130 | |
| ¥15.09 | +0.21 | +1.4% | ¥14.52 | ¥15.19 | ¥13.77 | 14,026,892 | |
| ¥14.88 | -0.72 | -4.6% | ¥15.51 | ¥15.86 | ¥14.83 | 10,448,895 | |
| ¥15.60 | -0.38 | -2.4% | ¥15.98 | ¥16.18 | ¥15.46 | 9,300,808 | |
| ¥15.98 | +0.18 | +1.1% | ¥15.65 | ¥16.28 | ¥15.54 | 11,918,799 | |
| ¥15.80 | -0.24 | -1.5% | ¥15.88 | ¥16.16 | ¥15.06 | 16,352,484 | |
| ¥16.04 | -0.91 | -5.4% | ¥16.95 | ¥17.15 | ¥15.93 | 18,246,861 | |
| ¥16.95 | +0.74 | +4.6% | ¥15.88 | ¥17.50 | ¥15.61 | 22,885,961 | |
| ¥16.21 | -1.09 | -6.3% | ¥16.91 | ¥16.91 | ¥16.19 | 18,790,127 | |
| ¥17.30 | +1.44 | +9.1% | ¥15.48 | ¥17.45 | ¥15.11 | 24,856,051 | |
| ¥15.86 | -0.90 | -5.4% | ¥16.60 | ¥16.60 | ¥15.82 | 17,015,348 | |
| ¥16.76 | -0.90 | -5.1% | ¥17.52 | ¥17.60 | ¥16.11 | 28,875,324 | |
| ¥17.66 | -2.89 | -14.1% | ¥20.50 | ¥20.59 | ¥17.40 | 29,518,289 | |
| ¥20.55 | +0.01 | 0.0% | ¥20.64 | ¥21.24 | ¥20.48 | 17,554,885 | |
| ¥20.54 | +0.27 | +1.3% | ¥20.58 | ¥20.90 | ¥20.11 | 20,029,752 | |
| ¥20.27 | -1.41 | -6.5% | ¥22.01 | ¥22.20 | ¥20.05 | 30,764,465 | |
| ¥21.68 | +0.72 | +3.4% | ¥21.64 | ¥22.65 | ¥21.25 | 38,544,406 | |
| ¥20.96 | +1.66 | +8.6% | ¥19.49 | ¥21.10 | ¥19.22 | 38,353,141 | |
| ¥19.30 | +1.54 | +8.7% | ¥18.02 | ¥20.27 | ¥17.41 | 45,945,977 | |
| ¥17.76 | +2.96 | +20.0% | ¥14.78 | ¥17.76 | ¥14.78 | 29,936,676 | |
| ¥14.80 | +0.19 | +1.3% | ¥14.70 | ¥14.88 | ¥14.63 | 2,915,840 | |
| ¥14.61 | +0.10 | +0.7% | ¥14.51 | ¥14.72 | ¥14.46 | 2,663,700 | |
| ¥14.51 | +0.30 | +2.1% | ¥14.19 | ¥14.60 | ¥14.08 | 2,829,741 | |
| ¥14.21 | -0.32 | -2.2% | ¥14.45 | ¥14.50 | ¥14.21 | 2,246,356 | |
| ¥14.53 | +0.12 | +0.8% | ¥14.30 | ¥14.62 | ¥14.20 | 3,508,500 | |
| ¥14.41 | -0.21 | -1.4% | ¥14.65 | ¥14.88 | ¥14.09 | 4,928,509 | |
| ¥14.62 | +0.23 | +1.6% | ¥14.44 | ¥14.85 | ¥14.16 | 5,214,398 | |
| ¥14.39 | -0.04 | -0.3% | ¥14.42 | ¥14.53 | ¥14.28 | 2,723,117 | |
| ¥14.43 | -0.23 | -1.6% | ¥14.53 | ¥14.66 | ¥14.36 | 3,111,134 | |
| ¥14.66 | +0.14 | +1.0% | ¥14.50 | ¥14.68 | ¥14.43 | 2,612,600 | |
| ¥14.52 | -0.20 | -1.4% | ¥14.81 | ¥14.98 | ¥14.41 | 3,724,700 | |
| ¥14.72 | -0.26 | -1.7% | ¥15.05 | ¥15.14 | ¥14.66 | 2,866,809 | |
| ¥14.98 | -0.07 | -0.5% | ¥14.92 | ¥15.08 | ¥14.83 | 2,910,300 | |
| ¥15.05 | -0.15 | -1.0% | ¥15.20 | ¥15.28 | ¥14.97 | 2,844,514 | |
| ¥15.20 | +0.28 | +1.9% | ¥14.80 | ¥15.28 | ¥14.74 | 4,573,100 | |
| ¥14.92 | -0.30 | -2.0% | ¥15.23 | ¥15.28 | ¥14.91 | 4,203,900 | |
| ¥15.22 | +0.42 | +2.8% | ¥14.80 | ¥15.24 | ¥14.66 | 4,375,300 | |
| ¥14.80 | -0.07 | -0.5% | ¥14.90 | ¥15.16 | ¥14.60 | 4,812,430 | |
| ¥14.87 | +0.68 | +4.8% | ¥14.26 | ¥14.95 | ¥14.03 | 4,476,473 | |
| ¥14.19 | -0.28 | -1.9% | ¥14.44 | ¥14.48 | ¥14.00 | 3,364,844 | |
| ¥14.47 | +0.37 | +2.6% | ¥14.17 | ¥14.50 | ¥13.78 | 4,524,697 | |
| ¥14.10 | +0.45 | +3.3% | ¥13.81 | ¥14.22 | ¥13.64 | 3,758,000 | |
| ¥13.65 | -0.62 | -4.3% | ¥14.10 | ¥14.17 | ¥13.58 | 4,237,700 | |
| ¥14.27 | -0.05 | -0.3% | ¥14.24 | ¥14.32 | ¥14.10 | 3,304,977 | |
| ¥14.32 | +0.18 | +1.3% | ¥14.12 | ¥14.35 | ¥13.95 | 3,844,078 | |
| ¥14.14 | +0.09 | +0.6% | ¥14.20 | ¥14.48 | ¥13.84 | 3,641,197 | |
| ¥14.05 | +0.05 | +0.4% | ¥13.98 | ¥14.34 | ¥13.98 | 4,224,830 | |
| ¥14.00 | +0.51 | +3.8% | ¥13.43 | ¥14.07 | ¥13.43 | 4,528,400 | |
| ¥13.49 | -0.17 | -1.2% | ¥13.58 | ¥13.68 | ¥13.38 | 2,290,287 | |
| ¥13.66 | +0.12 | +0.9% | ¥13.58 | ¥13.69 | ¥13.42 | 3,330,092 | |
| ¥13.54 | -0.14 | -1.0% | ¥13.68 | ¥13.72 | ¥13.40 | 3,430,400 | |
| ¥13.68 | +0.06 | +0.4% | ¥13.51 | ¥13.78 | ¥13.42 | 4,360,699 | |
| ¥13.62 | +0.35 | +2.6% | ¥13.14 | ¥13.76 | ¥13.14 | 5,907,651 | |
| ¥13.27 | +0.45 | +3.5% | ¥12.95 | ¥13.33 | ¥12.77 | 5,494,230 | |
| ¥12.82 | +0.19 | +1.5% | ¥12.64 | ¥12.89 | ¥12.53 | 4,152,757 | |
| ¥12.63 | +0.37 | +3.0% | ¥12.46 | ¥12.84 | ¥12.46 | 5,103,142 | |
| ¥12.26 | -0.44 | -3.5% | ¥12.71 | ¥12.75 | ¥12.20 | 5,209,700 |
- Ticker
- Shenzhen:300691
- Asset type
- Stock
- Sector
- Technology
- Industry
- Electronics & hardware
- Exchange
- Shenzhen
- Currency
- CNY
Union Optech Co. Ltd. on 6ix
- Sector
- Technology
- Industry
- Electronics & hardware
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