Stock listing
TWSE:1709 Formosan Union Chemical Corp. (和益) 股價
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Share price · TWSE:1709
$48.10 TWD -2.50 (-4.9%)
Close on Oct 30, 2026
- Day range
- $47.80 – $50.30 TWDOct 30, 2026
- Volume
- 11.96M sharesOct 30, 2026
- Market cap
- $22.94B TWDAt the close on Oct 30, 2026 · price × 477.0M shares outstanding
- 52-week range
- $16.25 – $66.30 TWDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- $913.0M TWDMedian day 13.64M 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 · TWSE:1709 · TWD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $48.10 | -2.50 | -4.9% | $49.40 | $50.30 | $47.80 | 11,961,359 | |
| $50.60 | -2.70 | -5.1% | $53.30 | $53.80 | $49.90 | 10,665,041 | |
| $53.30 | +1.30 | +2.5% | $53.90 | $54.30 | $52.50 | 9,019,825 | |
| $52.00 | -3.30 | -6.0% | $55.50 | $58.20 | $51.50 | 24,338,640 | |
| $55.30 | 0.00 | 0.0% | $55.30 | $55.30 | $55.30 | 0 | |
| $55.30 | -0.70 | -1.3% | $56.40 | $57.90 | $55.00 | 20,879,426 | |
| $56.00 | -0.50 | -0.9% | $57.60 | $58.10 | $54.80 | 40,965,518 | |
| $56.50 | +5.10 | +9.9% | $53.00 | $56.50 | $51.30 | 26,777,902 | |
| $51.40 | -3.50 | -6.4% | $53.10 | $54.60 | $50.40 | 16,772,307 | |
| $54.90 | -3.90 | -6.6% | $59.40 | $61.40 | $53.30 | 40,292,021 | |
| $58.80 | -5.00 | -7.8% | $61.20 | $62.60 | $58.50 | 10,129,680 | |
| $63.80 | +3.90 | +6.5% | $59.00 | $63.80 | $58.60 | 10,046,110 | |
| $59.90 | +1.30 | +2.2% | $57.40 | $60.10 | $57.00 | 7,690,505 | |
| $58.60 | -2.40 | -3.9% | $55.60 | $58.90 | $55.60 | 13,100,471 | |
| $61.00 | +0.80 | +1.3% | $60.20 | $62.00 | $59.00 | 10,862,232 | |
| $60.20 | -3.10 | -4.9% | $63.30 | $64.60 | $59.20 | 45,189,739 | |
| $63.30 | -1.00 | -1.6% | $66.20 | $66.30 | $58.20 | 70,552,838 | |
| $64.30 | +5.80 | +9.9% | $63.80 | $64.30 | $63.60 | 19,185,550 | |
| $58.50 | +5.30 | +10.0% | $55.50 | $58.50 | $54.70 | 33,181,107 | |
| $53.20 | +4.80 | +9.9% | $51.80 | $53.20 | $51.60 | 28,193,887 | |
| $48.40 | +4.40 | +10.0% | $44.10 | $48.40 | $44.00 | 46,644,180 | |
| $44.00 | +0.50 | +1.1% | $43.50 | $44.95 | $43.20 | 27,051,327 | |
| $43.50 | -4.80 | -9.9% | $45.85 | $46.45 | $43.50 | 48,653,366 | |
| $48.30 | +2.35 | +5.1% | $47.50 | $50.50 | $45.50 | 84,386,123 | |
| $45.95 | +2.85 | +6.6% | $43.10 | $47.40 | $41.35 | 82,628,914 | |
| $43.10 | +3.90 | +9.9% | $39.20 | $43.10 | $39.05 | 27,230,907 | |
| $39.20 | -3.75 | -8.7% | $41.85 | $42.00 | $38.70 | 48,011,450 | |
| $42.95 | +3.90 | +10.0% | $40.80 | $42.95 | $39.10 | 34,518,306 | |
| $39.05 | +3.55 | +10.0% | $35.95 | $39.05 | $35.90 | 19,016,042 | |
| $35.50 | -0.55 | -1.5% | $36.00 | $36.35 | $34.30 | 8,442,461 | |
| $36.05 | -0.15 | -0.4% | $36.20 | $36.70 | $35.30 | 10,277,021 | |
| $36.20 | +0.90 | +2.5% | $35.30 | $36.80 | $34.70 | 16,211,389 | |
| $35.30 | -0.30 | -0.8% | $36.25 | $37.55 | $34.95 | 17,880,950 | |
| $35.60 | +2.00 | +6.0% | $33.50 | $36.00 | $33.50 | 13,642,321 | |
| $33.60 | -0.60 | -1.8% | $33.75 | $34.10 | $32.80 | 6,550,857 | |
| $34.20 | +0.20 | +0.6% | $34.50 | $34.70 | $33.30 | 6,291,069 | |
| $34.00 | +0.55 | +1.6% | $34.10 | $34.90 | $33.80 | 8,101,753 | |
| $33.45 | -1.55 | -4.4% | $35.15 | $35.90 | $33.20 | 11,874,699 | |
| $35.00 | -1.40 | -3.8% | $34.75 | $35.40 | $33.85 | 14,049,168 | |
| $36.40 | +2.95 | +8.8% | $33.80 | $36.75 | $33.55 | 31,322,705 | |
| $33.45 | -2.70 | -7.5% | $35.85 | $36.25 | $33.35 | 12,540,768 | |
| $36.15 | +2.00 | +5.9% | $34.50 | $36.45 | $34.15 | 22,381,594 | |
| $34.15 | -2.95 | -8.0% | $37.35 | $37.70 | $33.80 | 26,337,411 | |
| $37.10 | +3.35 | +9.9% | $35.00 | $37.10 | $33.15 | 19,104,351 | |
| $33.75 | -0.90 | -2.6% | $34.40 | $35.00 | $32.80 | 8,275,208 | |
| $34.65 | +1.35 | +4.1% | $34.25 | $36.30 | $33.55 | 20,579,256 | |
| $33.30 | +3.00 | +9.9% | $30.80 | $33.30 | $30.60 | 15,164,234 | |
| $30.30 | -2.25 | -6.9% | $32.55 | $32.60 | $30.10 | 8,485,348 | |
| $32.55 | -0.15 | -0.5% | $32.00 | $33.85 | $31.85 | 6,408,734 | |
| $32.70 | -0.05 | -0.2% | $32.55 | $33.25 | $30.95 | 7,811,652 | |
| $32.75 | +2.40 | +7.9% | $30.90 | $33.35 | $30.55 | 13,677,701 | |
| $30.35 | -0.30 | -1.0% | $29.90 | $32.20 | $29.50 | 13,421,711 | |
| $30.65 | +2.65 | +9.5% | $28.50 | $30.80 | $28.15 | 24,645,550 | |
| $28.00 | +0.60 | +2.2% | $27.45 | $28.30 | $27.05 | 5,136,610 | |
| $27.40 | +0.10 | +0.4% | $26.75 | $27.70 | $26.20 | 4,254,357 | |
| $27.30 | -0.50 | -1.8% | $28.30 | $28.55 | $27.00 | 5,125,963 | |
| $27.80 | +0.15 | +0.5% | $27.80 | $28.45 | $27.35 | 4,742,764 | |
| $27.65 | +1.45 | +5.5% | $26.20 | $28.30 | $25.80 | 7,572,913 | |
| $26.20 | +1.00 | +4.0% | $25.45 | $26.80 | $25.20 | 5,341,807 | |
| $25.20 | +2.25 | +9.8% | $22.95 | $25.20 | $22.65 | 3,875,701 | |
| $22.95 | -0.15 | -0.6% | $23.20 | $23.55 | $22.70 | 1,364,120 | |
| $23.10 | +0.55 | +2.4% | $23.50 | $23.65 | $22.70 | 2,522,999 | |
| $22.55 | -1.45 | -6.0% | $23.90 | $24.00 | $22.55 | 3,068,273 |
- Ticker
- TWSE:1709
- Asset type
- Stock
- Sector
- Chemicals & materials
- Industry
- Chemicals
- Exchange
- TWSE
- Currency
- TWD
Latest news
Decks
2017 Investor Conference
Conference · 17 slides · Dec 20, 2017
Formosan Union Chemical Corp. on 6ix
- Sector
- Chemicals & materials
- Industry
- Chemicals
- News releases
- 6 in all · newest Aug 11, 2022 · oldest 2022
- Decks
- 1 deck · latest Dec 20, 2017
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