Stock listing
TWSE:6838 Formosa Pharmaceuticals, Inc. (台新藥) 股價
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Share price · TWSE:6838
$25.30 TWD 0.00 (0.0%)
Close on Oct 20, 2026
- Day range
- $24.90 – $25.35 TWDOct 20, 2026
- Volume
- 74,102 sharesOct 20, 2026
- Market cap
- $3.82B TWDAt the close on Oct 20, 2026 · price × 151.0M shares outstanding
- 52-week range
- $22.35 – $33.30 TWDLowest and highest trades, Oct 21, 2025 – Oct 20, 2026

Daily closes
Last 3 months, Jul 20, 2026 – Oct 20, 2026 · TWSE:6838 · TWD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $25.30 | 0.00 | 0.0% | $25.05 | $25.35 | $24.90 | 74,102 | |
| $25.30 | -0.10 | -0.4% | $25.60 | $25.60 | $24.85 | 109,166 | |
| $25.40 | +0.10 | +0.4% | $25.50 | $25.65 | $25.10 | 102,000 | |
| $25.30 | +0.10 | +0.4% | $25.20 | $25.70 | $25.20 | 155,095 | |
| $25.20 | +0.20 | +0.8% | $25.00 | $25.30 | $24.80 | 83,000 | |
| $25.00 | -0.10 | -0.4% | $24.85 | $25.00 | $24.60 | 101,103 | |
| $25.10 | 0.00 | 0.0% | $24.70 | $25.10 | $24.70 | 113,000 | |
| $25.10 | 0.00 | 0.0% | $24.80 | $25.10 | $24.80 | 107,000 | |
| $25.10 | -0.05 | -0.2% | $25.05 | $25.15 | $24.70 | 120,000 | |
| $25.15 | -0.15 | -0.6% | $25.00 | $25.15 | $24.80 | 99,000 | |
| $25.30 | 0.00 | 0.0% | $25.05 | $25.30 | $24.55 | 182,199 | |
| $25.30 | -0.50 | -1.9% | $25.50 | $25.70 | $25.00 | 202,000 | |
| $25.80 | 0.00 | 0.0% | $25.80 | $25.90 | $25.40 | 148,020 | |
| $25.80 | +0.15 | +0.6% | $26.00 | $26.00 | $25.60 | 133,000 | |
| $25.65 | +0.15 | +0.6% | $25.50 | $26.25 | $25.45 | 273,000 | |
| $25.50 | -0.75 | -2.9% | $26.10 | $26.65 | $25.50 | 600,000 | |
| $26.25 | +2.35 | +9.8% | $24.20 | $26.25 | $24.20 | 881,001 | |
| $23.90 | 0.00 | 0.0% | $23.90 | $23.90 | $23.70 | 62,000 | |
| $23.90 | +0.25 | +1.1% | $24.20 | $24.20 | $23.70 | 93,120 | |
| $23.65 | -0.55 | -2.3% | $24.20 | $24.60 | $23.65 | 139,300 | |
| $24.20 | +0.55 | +2.3% | $23.80 | $24.35 | $23.75 | 199,350 | |
| $23.65 | +0.30 | +1.3% | $23.35 | $24.00 | $23.30 | 79,200 | |
| $23.35 | -0.05 | -0.2% | $23.40 | $23.40 | $23.10 | 72,200 | |
| $23.40 | -0.20 | -0.8% | $23.20 | $23.55 | $23.15 | 51,000 | |
| $23.60 | -0.30 | -1.3% | $23.85 | $23.85 | $23.05 | 90,000 | |
| $23.90 | -0.05 | -0.2% | $23.95 | $23.95 | $23.25 | 146,000 | |
| $23.95 | 0.00 | 0.0% | $23.95 | $24.10 | $23.70 | 89,092 | |
| $23.95 | -0.75 | -3.0% | $24.30 | $24.40 | $23.75 | 85,000 | |
| $24.70 | +0.05 | +0.2% | $24.85 | $24.85 | $24.20 | 130,250 | |
| $24.65 | +0.65 | +2.7% | $24.00 | $24.90 | $23.75 | 206,362 | |
| $24.00 | +0.40 | +1.7% | $23.70 | $24.45 | $23.70 | 294,136 | |
| $23.60 | +0.60 | +2.6% | $23.40 | $23.75 | $22.90 | 214,000 | |
| $23.00 | 0.00 | 0.0% | $23.30 | $23.30 | $22.95 | 59,000 | |
| $23.00 | -0.20 | -0.9% | $23.25 | $23.45 | $22.95 | 55,000 | |
| $23.20 | +0.20 | +0.9% | $23.00 | $23.20 | $22.70 | 68,000 | |
| $23.00 | -0.05 | -0.2% | $23.20 | $23.30 | $22.95 | 27,000 | |
| $23.05 | +0.05 | +0.2% | $23.00 | $23.25 | $22.85 | 49,000 | |
| $23.00 | -0.10 | -0.4% | $23.00 | $23.00 | $22.75 | 74,000 | |
| $23.10 | -0.10 | -0.4% | $23.20 | $23.30 | $22.90 | 51,000 | |
| $23.20 | +0.10 | +0.4% | $22.75 | $23.20 | $22.70 | 34,000 | |
| $23.10 | +0.45 | +2.0% | $22.80 | $23.20 | $22.50 | 62,050 | |
| $22.65 | +0.20 | +0.9% | $22.50 | $22.70 | $22.35 | 44,000 | |
| $22.45 | -0.50 | -2.2% | $22.85 | $22.90 | $22.40 | 185,000 | |
| $22.95 | -0.05 | -0.2% | $23.40 | $23.40 | $22.85 | 29,000 | |
| $23.00 | -0.05 | -0.2% | $22.90 | $23.10 | $22.90 | 31,000 | |
| $23.05 | 0.00 | 0.0% | $23.05 | $23.20 | $23.05 | 83,000 | |
| $23.05 | -0.25 | -1.1% | $23.60 | $23.60 | $23.00 | 87,000 | |
| $23.30 | -0.05 | -0.2% | $23.25 | $23.30 | $23.05 | 21,200 | |
| $23.35 | +0.15 | +0.6% | $23.20 | $23.35 | $22.95 | 43,000 | |
| $23.20 | -0.05 | -0.2% | $23.25 | $23.35 | $22.85 | 95,000 | |
| $23.25 | -0.15 | -0.6% | $23.25 | $23.25 | $22.80 | 243,000 | |
| $23.40 | -0.10 | -0.4% | $23.25 | $23.60 | $23.20 | 112,000 | |
| $23.50 | -0.20 | -0.8% | $23.40 | $23.55 | $23.20 | 125,000 | |
| $23.70 | +0.25 | +1.1% | $23.40 | $23.75 | $23.30 | 61,000 | |
| $23.45 | +0.05 | +0.2% | $23.80 | $24.10 | $23.00 | 147,000 | |
| $23.40 | -1.30 | -5.3% | $24.30 | $24.40 | $23.40 | 176,890 | |
| $24.70 | -0.25 | -1.0% | $25.35 | $25.35 | $23.85 | 221,000 | |
| $24.95 | +0.65 | +2.7% | $24.20 | $25.70 | $23.80 | 342,001 | |
| $24.30 | +0.50 | +2.1% | $24.30 | $24.30 | $23.80 | 120,000 | |
| $23.80 | +0.15 | +0.6% | $23.65 | $23.85 | $23.30 | 123,000 | |
| $23.65 | -0.20 | -0.8% | $23.80 | $23.85 | $23.35 | 64,000 | |
| $23.85 | +0.40 | +1.7% | $23.45 | $24.45 | $23.35 | 119,027 | |
| $23.45 | 0.00 | 0.0% | $23.80 | $23.95 | $23.40 | 77,050 | |
| $23.45 | +0.65 | +2.9% | $23.15 | $23.70 | $22.85 | 144,000 |
- Ticker
- TWSE:6838
- Asset type
- Stock
- Sector
- Health care
- Industry
- Biotechnology
- Exchange
- TWSE
- Currency
- TWD
What changed lately
Latest news
Formosa Pharmaceuticals Files Clinical Trial Application for TSY-110, an Antibody-Drug Conjugate Biosimilar Targeting HER2-Positive Breast Cancers
Aug 28, 2026
Closed $23.00 (-0.9%) on Aug 31, 2026
Formosa Pharmaceuticals Announces Presentation of TSY-310 at the 2026 ASCO Annual Meeting
May 21, 2026
Closed $25.90 (-0.6%) on May 22, 2026
Formosa Pharmaceuticals and Singapore Eye Research Institute (SERI) Partner to Advance Novel Ophthalmic Formulations for Corneal Diseases
Apr 30, 2026
Closed $27.90 (+0.4%) on Apr 30, 2026
Decks
法人說明會 (Investor Conference) 2025
Conference · 43 slides · Jun 30, 2025
Investor's Meeting (June 2025)
Conference · 43 slides · Jun 30, 2025
法人說明會 (Investor Conference) 2024
Conference · 41 slides · Oct 4, 2024
Formosa Pharmaceuticals, Inc. on 6ix
- Sector
- Health care
- Industry
- Biotechnology
- News releases
- 6 in the last 12 months · 12 in all · newest Aug 28, 2026 · oldest 2024
- Decks
- 3 decks · latest Jun 30, 2025
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