Stock data
單井 (3490)
單井 is a TPEx-listed company in Optoelectronic. Revenue for September 2026 was NT$27.30M, up 1.6% from a year earlier. EPS over the last four quarters totals NT$6.32.
Company profile
Data as of 2026-10-14
- Market
- TPEx-listed
- Industry
- Optoelectronic
- Listed
- 2007-10-15
- Founded
- 1989-07-20
- Paid-in capital
- NT$550.06M
- Common shares issued
- 55,006,435
- Legal name
- 單井工業股份有限公司
- Website
- https://www.singlewell.com.tw
Monthly revenue
Data as of 2026-10-15
| Month | Revenue | MoM | YoY |
|---|---|---|---|
| 2026-09 | NT$27.30M | +13.3% | +1.6% |
| 2026-08 | NT$24.11M | -20.2% | -5.3% |
Year to date: +5.7% vs. last year (Jan–Sep 2026)
Earnings per share (EPS)
Data as of 2026-06-30
| Quarter | EPS (NT$) |
|---|---|
| 2026 Q2 | 4.08 |
| 2026 Q1 | 2.07 |
| 2025 Q4 | -0.38 |
| 2025 Q3 | 0.55 |
| 2025 Q2 | 0.43 |
| 2025 Q1 | -0.55 |
| 2024 Q4 | -0.49 |
| 2024 Q3 | 0.06 |
Last four quarters: NT$6.32
Dividends
Data as of 2026-10-14
| Period | Cash (NT$) | Stock (NT$) | Ex-dividend | Ex-rights | Paid |
|---|---|---|---|---|---|
| 2025 年度 | 0.50 | 0.00 | — | — | — |
Shareholder structure
Data as of 2026-10-16
| Holding range | Holders | Share of total |
|---|---|---|
| 1–999 shares | 26,928 | 1.1% |
| 1,000–5,000 shares | 6,708 | 24.6% |
| 5,001–10,000 shares | 848 | 12.2% |
| 10,001–15,000 shares | 248 | 5.7% |
| 15,001–20,000 shares | 165 | 5.6% |
| 20,001–30,000 shares | 114 | 5.3% |
| 30,001–40,000 shares | 64 | 4.1% |
| 40,001–50,000 shares | 36 | 3.0% |
| 50,001–100,000 shares | 57 | 6.9% |
| 100,001–200,000 shares | 26 | 6.3% |
| 200,001–400,000 shares | 11 | 5.1% |
| 400,001–600,000 shares | 3 | 2.5% |
| 600,001–800,000 shares | 1 | 1.2% |
| 800,001–1,000,000 shares | 1 | 1.6% |
| 1,000,001+ shares | 5 | 14.7% |
TDCC data for 2026-10-16: 5 holders own more than 1,000 lots (14.7% of shares), and 26,928 hold less than one lot (1.1%).
Institutional net buying (last 20 trading days)
Data as of 2026-10-19
| Date | Foreign | Trust | Dealers | Total |
|---|---|---|---|---|
| 2026-10-19 | -28 | 0 | 0 | -28 |
| 2026-10-16 | 283 | 0 | -1 | 282 |
| 2026-10-15 | -223 | 0 | 2 | -221 |
| 2026-10-14 | 141 | 0 | -6 | 135 |
| 2026-10-13 | 136 | 0 | 0 | 136 |
| 2026-10-12 | 116 | 0 | 0 | 116 |
| 2026-10-08 | -145 | 0 | 0 | -145 |
| 2026-10-07 | 292 | 0 | 0 | 292 |
| 2026-10-06 | -160 | 0 | 0 | -160 |
| 2026-10-05 | -2,452 | 0 | 1 | -2,451 |
| 2026-10-02 | -2,343 | 0 | -16 | -2,359 |
| 2026-10-01 | 1,345 | 0 | 15 | 1,360 |
| 2026-09-30 | -395 | 0 | 0 | -395 |
| 2026-09-29 | 30 | 0 | 0 | 30 |
| 2026-09-24 | 699 | 0 | 0 | 699 |
| 2026-09-23 | -756 | 0 | 0 | -756 |
| 2026-09-22 | -221 | 0 | 0 | -221 |
| 2026-09-21 | 699 | 0 | 0 | 699 |
| 2026-09-18 | -481 | 0 | 0 | -481 |
| 2026-09-17 | 60 | 0 | 0 | 60 |
Unit: lots (1,000 shares). Over the last 20 trading days, institutions were net sellers of 3,408 lots.
Price (official close)
Data as of 2026-10-19
Last close NT$43.30 (2026-10-19); 52-week range NT$22.30–57.80.
Sources
- Source: Taiwan Stock Exchange and Taipei Exchange public data
- Source: Taiwan Stock Exchange and Taipei Exchange public data
- Source: Market Observation Post System (MOPS)
- Source: Taiwan Stock Exchange and Taipei Exchange public data
- Source: Taiwan Depository & Clearing Corporation public data
- Source: Taiwan Stock Exchange and Taipei Exchange public data
- Source: Taiwan Stock Exchange and Taipei Exchange public data
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