| 日期 | 收盤價 | 最高價 | 最低價 | 本益比 |
| 2026-05-08 | 257.5 | 271 | 250 | 162.97 |
| 2026-05-07 | 263 | 273 | 246 | 166.46 |
| 2026-05-06 | 250.5 | 250.5 | 214 | 158.54 |
| 2026-05-05 | 228 | 228 | 207 | 144.3 |
| 2026-05-04 | 207.5 | 207.5 | 191.5 | 131.33 |
| 2026-04-30 | 189 | 199.5 | 188 | 119.62 |
| 2026-04-29 | 181.5 | 185 | 178 | 114.87 |
| 2026-04-28 | 178 | 183 | 177 | 112.66 |
| 2026-04-27 | 182 | 182.5 | 177 | 115.19 |
| 2026-04-24 | 172.5 | 177 | 167 | 109.18 |
| 日期 | 法人 | 投信 | 自營商 | 合計 |
| 2026-05-08 | 536 | 863 | -335 | 1,064 |
| 2026-05-07 | -2,057 | 30 | -78 | -2,105 |
| 2026-05-06 | 551 | 777 | -114 | 1,214 |
| 2026-05-05 | -839 | 0 | 77 | -763 |
| 2026-05-04 | -309 | 0 | 265 | -44 |
| 2026-04-30 | -873 | 0 | -9 | -883 |
| 2026-04-29 | -118 | 0 | 105 | -13 |
| 2026-04-28 | -391 | 0 | -29 | -420 |
| 2026-04-27 | 60 | 0 | -16 | 44 |
| 2026-04-24 | 53 | 0 | -55 | -2 |
| 日期 | 融資增減 | 融券增減 | 融資今日餘額 | 融券今日餘額 |
| 2026-05-08 | -1,278 | 708 | 6,766 | 948 |
| 2026-05-07 | 718 | -7 | 8,044 | 240 |
| 2026-05-06 | 172 | 58 | 7,326 | 247 |
| 2026-05-05 | 1,512 | 102 | 7,154 | 189 |
| 2026-05-04 | 1,020 | 38 | 5,642 | 87 |
| 2026-04-30 | 308 | 4 | 4,622 | 49 |
| 2026-04-29 | -7 | 0 | 4,314 | 45 |
| 2026-04-28 | 177 | -3 | 4,321 | 45 |
| 2026-04-27 | 136 | 18 | 4,144 | 48 |
| 2026-04-24 | -20 | 0 | 4,008 | 30 |
| 日期 | 大股東名稱 | 上月實際 持股(張) |
本月實際 持股(張) |
異動數 |
| 2026-01 | 臺灣塑膠工業股份有限公司 | 112,708 | 112,708 | 0 |
| 2026-01 | SUMCO TECHXIV CORPORATION | 167,743 | 167,743 | 0 |
| 2025-12 | 臺灣塑膠工業股份有限公司 | 112,708 | 112,708 | 0 |
| 2025-12 | SUMCO TECHXIV CORPORATION | 170,243 | 167,743 | -2,500 |
| 2025-11 | 臺灣塑膠工業股份有限公司 | 112,708 | 112,708 | 0 |
| 2025-11 | SUMCO TECHXIV CORPORATION | 170,243 | 170,243 | 0 |
| 2025-10 | 臺灣塑膠工業股份有限公司 | 112,708 | 112,708 | 0 |
| 2025-10 | SUMCO TECHXIV CORPORATION | 170,243 | 170,243 | 0 |
| 2025-09 | SUMCO TECHXIV CORPORATION | 172,743 | 172,743 | 0 |
| 2025-09 | 臺灣塑膠工業股份有限公司 | 112,708 | 112,708 | 0 |
| 2025-08 | 臺灣塑膠工業股份有限公司 | 112,708 | 112,708 | 0 |
| 2025-08 | SUMCO TECHXIV CORPORATION | 172,743 | 172,743 | 0 |
| 2025-07 | SUMCO TECHXIV CORPORATION | 172,743 | 172,743 | 0 |
| 2025-07 | 臺灣塑膠工業股份有限公司 | 112,708 | 112,708 | 0 |
| 2025-06 | 臺灣塑膠工業股份有限公司 | 112,708 | 112,708 | 0 |
| 2025-06 | SUMCO TECHXIV CORPORATION | 172,743 | 172,743 | 0 |
| 2025-05 | 臺灣塑膠工業股份有限公司 | 112,708 | 112,708 | 0 |
| 2025-05 | SUMCO TECHXIV CORPORATION | 174,743 | 172,743 | -2,000 |