Acon Optics Communications Inc. (TPEX:6820)
Taiwan · Delayed Price · Currency is TWD 345.00
-11.00 (-3.09%)
Aug 19, 2026, 9:48 AM CST
TPEX:6820 Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 18, 2026 | 351.50 | 376.00 | 340.00 | 240.50 | 240.50 | -31.58% | 265,603 |
| Aug 17, 2026 | 304.50 | 351.50 | 304.50 | 351.50 | 351.50 | 15.44% | 345,672 |
| Aug 14, 2026 | 300.00 | 312.00 | 291.50 | 304.50 | 304.50 | 1.16% | 103,613 |
| Aug 13, 2026 | 286.00 | 317.00 | 286.00 | 301.00 | 301.00 | 5.24% | 161,627 |
| Aug 12, 2026 | 292.00 | 292.00 | 275.00 | 286.00 | 286.00 | -2.05% | 53,033 |
| Aug 11, 2026 | 297.00 | 315.50 | 272.00 | 292.00 | 292.00 | -0.68% | 184,536 |
| Aug 10, 2026 | 290.00 | 304.00 | 289.50 | 294.00 | 294.00 | 2.98% | 83,947 |
| Aug 7, 2026 | 280.00 | 293.50 | 280.00 | 285.50 | 285.50 | 1.96% | 58,838 |
| Aug 6, 2026 | 271.00 | 280.50 | 254.00 | 280.00 | 280.00 | 0.18% | 70,699 |
| Aug 5, 2026 | 266.50 | 295.50 | 266.50 | 279.50 | 279.50 | 5.08% | 107,175 |
| Aug 4, 2026 | 243.50 | 280.00 | 243.50 | 266.00 | 266.00 | 8.79% | 55,362 |
| Aug 3, 2026 | 239.00 | 248.50 | 236.00 | 244.50 | 244.50 | 2.30% | 11,204 |
| Jul 31, 2026 | 220.00 | 244.00 | 220.00 | 239.00 | 239.00 | 11.42% | 29,617 |
| Jul 30, 2026 | 215.00 | 225.50 | 205.00 | 214.50 | 214.50 | -0.69% | 60,797 |
| Jul 29, 2026 | 241.00 | 248.00 | 203.50 | 216.00 | 216.00 | -10.19% | 67,852 |
| Jul 28, 2026 | 258.00 | 258.00 | 232.00 | 240.50 | 240.50 | -6.60% | 43,369 |
| Jul 27, 2026 | 258.00 | 270.00 | 246.00 | 257.50 | 257.50 | -3.74% | 22,714 |
| Jul 24, 2026 | 253.50 | 280.50 | 247.00 | 267.50 | 267.50 | 3.88% | 62,122 |
| Jul 23, 2026 | 266.00 | 278.00 | 247.00 | 257.50 | 257.50 | -2.09% | 38,114 |
| Jul 22, 2026 | 260.00 | 273.50 | 257.00 | 263.00 | 263.00 | 3.54% | 42,268 |
| Jul 21, 2026 | 250.50 | 263.50 | 249.50 | 254.00 | 254.00 | 1.60% | 28,871 |
| Jul 20, 2026 | 251.50 | 263.00 | 237.50 | 250.00 | 250.00 | - | 33,448 |
| Jul 17, 2026 | 261.50 | 270.00 | 245.00 | 250.00 | 250.00 | -7.75% | 37,971 |
| Jul 16, 2026 | 282.00 | 282.00 | 259.50 | 271.00 | 271.00 | -3.90% | 40,912 |
| Jul 15, 2026 | 252.00 | 288.00 | 252.00 | 282.00 | 282.00 | 11.90% | 92,261 |
| Jul 14, 2026 | 260.00 | 260.00 | 238.50 | 252.00 | 252.00 | -3.08% | 59,684 |
| Jul 13, 2026 | 237.00 | 267.00 | 237.00 | 260.00 | 260.00 | 11.11% | 173,492 |
| Jul 9, 2026 | 244.00 | 245.00 | 234.00 | 234.00 | 234.00 | -3.51% | 31,289 |
| Jul 8, 2026 | 239.50 | 251.00 | 235.00 | 242.50 | 242.50 | 1.25% | 53,719 |
| Jul 7, 2026 | 256.00 | 256.00 | 227.50 | 239.50 | 239.50 | -6.45% | 91,829 |
| Jul 6, 2026 | 255.00 | 267.00 | 247.50 | 256.00 | 256.00 | - | 47,200 |
| Jul 3, 2026 | 249.00 | 261.00 | 245.00 | 256.00 | 256.00 | 3.02% | 32,134 |
| Jul 2, 2026 | 251.00 | 260.00 | 240.00 | 248.50 | 248.50 | -3.87% | 47,569 |
| Jul 1, 2026 | 261.00 | 265.00 | 249.00 | 258.50 | 258.50 | -0.96% | 36,935 |
| Jun 30, 2026 | 253.00 | 270.00 | 252.50 | 261.00 | 261.00 | 3.16% | 49,329 |
| Jun 29, 2026 | 260.00 | 267.00 | 232.50 | 253.00 | 253.00 | -2.69% | 94,308 |
| Jun 26, 2026 | 270.00 | 271.00 | 254.00 | 260.00 | 260.00 | -3.70% | 68,290 |
| Jun 25, 2026 | 280.00 | 287.00 | 259.00 | 270.00 | 270.00 | -3.57% | 53,365 |
| Jun 24, 2026 | 288.00 | 288.00 | 268.50 | 280.00 | 280.00 | -2.78% | 18,799 |
| Jun 23, 2026 | 291.00 | 300.00 | 275.50 | 288.00 | 288.00 | -1.03% | 48,086 |
| Jun 22, 2026 | 296.00 | 296.00 | 271.00 | 291.00 | 291.00 | -1.69% | 134,188 |
| Jun 18, 2026 | 295.00 | 296.00 | 287.00 | 296.00 | 296.00 | 0.51% | 52,218 |
| Jun 17, 2026 | 292.50 | 299.00 | 287.00 | 294.50 | 294.50 | -2.16% | 41,682 |
| Jun 16, 2026 | 311.00 | 321.00 | 287.00 | 301.00 | 301.00 | -3.22% | 85,418 |
| Jun 15, 2026 | 278.00 | 322.00 | 278.00 | 311.00 | 311.00 | 13.71% | 214,698 |
| Jun 12, 2026 | 270.00 | 291.50 | 267.00 | 273.50 | 273.50 | 1.30% | 61,810 |
| Jun 11, 2026 | 260.00 | 293.50 | 252.00 | 270.00 | 270.00 | 3.85% | 100,715 |
| Jun 10, 2026 | 282.00 | 282.00 | 254.00 | 260.00 | 260.00 | -8.45% | 67,377 |
| Jun 9, 2026 | 268.00 | 285.50 | 267.00 | 284.00 | 284.00 | 5.97% | 93,330 |
| Jun 8, 2026 | 271.00 | 283.00 | 257.50 | 268.00 | 268.00 | -7.90% | 100,749 |