Stock listing

TPEx:5312 Formosa Optical Technology Co., Ltd. (寶島科) 股價

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Share price · TPEX:5312

$88.10 TWD -0.40 (-0.5%)

Close on Oct 30, 2026

Past year -9.3% · daily closes, Oct 30, 2025 – Oct 30, 2026, adjusted for splits
Day range
$88.10 – $89.00 TWDOct 30, 2026
Volume
28,168 sharesOct 30, 2026
Market cap
$5.29B TWDAt the close on Oct 30, 2026 · price × 60.06M shares outstanding
52-week range
$87.00 – $107.50 TWDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
Traded on an average day
$2.69M TWDMedian day 19,645 shares · 1 day with no trades · last 3 months, Jul 30, 2026 – Oct 30, 2026
Formosa Optical Technology Co., Ltd. logo

Daily closes

Last 3 months, Jul 30, 2026 – Oct 30, 2026 · TPEX:5312 · TWD, adjusted for splits

DayCloseChange%OpenHighLowVolume
$88.10-0.40-0.5%$88.50$89.00$88.1028,168
$88.50-0.40-0.4%$88.90$90.10$88.1019,645
$88.90-0.10-0.1%$89.10$90.40$88.909,301
$89.000.000.0%$89.00$89.00$88.8018,839
$89.000.000.0%$89.00$89.00$89.000
$89.00-0.30-0.3%$89.20$89.30$89.0015,412
$89.30-0.50-0.6%$89.50$89.50$89.0022,304
$89.800.000.0%$89.90$90.00$89.1015,818
$89.80-0.10-0.1%$89.50$89.80$88.8016,404
$89.90-0.10-0.1%$89.70$90.00$89.7037,003
$90.00+0.10+0.1%$89.50$90.00$89.1023,000
$89.90-0.30-0.3%$90.20$90.30$89.9025,000
$90.20+0.80+0.9%$89.00$90.60$89.0017,376
$89.40+0.10+0.1%$89.30$89.40$89.3016,000
$89.30-0.10-0.1%$89.00$89.50$89.0012,015
$89.40-0.20-0.2%$89.20$89.40$89.2011,002
$89.60-0.10-0.1%$89.60$89.60$89.0014,000
$89.700.000.0%$89.70$89.70$89.0037,000
$89.70+0.20+0.2%$89.10$89.70$89.1014,000
$89.50-0.40-0.4%$90.00$90.00$89.5018,082
$89.900.000.0%$89.90$90.10$89.8027,050
$89.90-0.60-0.7%$90.10$90.50$89.907,002
$90.50+0.40+0.4%$89.70$90.50$89.707,001
$90.10-0.80-0.9%$91.20$91.20$90.0026,001
$90.90-0.10-0.1%$90.90$90.90$90.903,000
$91.000.000.0%$91.10$91.30$91.0019,000
$91.00+0.70+0.8%$90.00$91.20$90.0013,000
$90.300.000.0%$91.00$91.30$89.9021,000
$90.30+0.60+0.7%$90.60$90.70$89.7010,000
$89.70-0.10-0.1%$91.00$91.00$89.706,000
$89.800.000.0%$91.30$91.30$89.8013,522
$89.80-0.70-0.8%$90.50$90.50$89.5020,005
$90.50-0.30-0.3%$91.30$91.30$90.3011,003
$90.80-0.90-1.0%$91.90$91.90$90.8015,000
$91.70-0.20-0.2%$91.90$91.90$91.0016,000
$91.90+0.30+0.3%$90.10$92.00$90.1013,000
$91.60-0.30-0.3%$91.50$91.80$91.308,000
$91.90+0.10+0.1%$91.80$91.90$91.504,033
$91.80+0.20+0.2%$91.00$91.80$90.608,365
$91.60-0.50-0.5%$92.10$92.30$91.3040,012
$92.10-0.10-0.1%$92.00$92.10$91.8018,300
$92.20-0.30-0.3%$92.50$92.50$92.2021,000
$92.500.000.0%$92.20$92.60$92.009,000
$92.50+0.40+0.4%$92.80$92.80$92.0024,000
$92.10-0.40-0.4%$92.60$92.80$92.0011,000
$92.50+0.80+0.9%$92.70$92.70$91.7043,036
$91.70+0.70+0.8%$91.10$91.80$91.1040,000
$91.00+0.40+0.4%$89.80$91.90$89.8047,055
$90.60+0.70+0.8%$90.10$91.30$89.9063,505
$89.90+0.60+0.7%$89.60$90.50$88.90127,007
$89.300.000.0%$89.80$89.80$88.6029,000
$89.30-0.10-0.1%$89.40$89.90$88.7028,000
$89.40+0.50+0.6%$89.00$89.70$88.7033,000
$88.90+0.20+0.2%$88.70$90.00$88.7063,000
$88.70-0.80-0.9%$89.00$89.50$88.7040,450
$89.50+0.60+0.7%$88.80$89.80$88.6045,155
$88.90-1.40-1.6%$89.00$89.50$88.40174,118
$90.30-0.20-0.2%$90.10$90.60$89.8066,043
$90.50+1.50+1.7%$89.90$90.60$89.9062,030
$89.00+0.50+0.6%$88.60$89.70$88.6044,000
$88.50-0.30-0.3%$88.90$89.50$87.7090,078
$88.80+1.00+1.1%$90.00$90.20$88.6092,416
$87.80-1.10-1.2%$88.10$89.40$87.7057,015
Ticker
TPEx:5312
Asset type
Stock
Exchange
TPEx
Currency
TWD

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