UMC
United Microelectronic Corp.
stockNYSEADR
Market OpenOct 28, 2026 10:28:42 AM EDT
18.79USD-3.393%(-0.66)2,651,183
Pre-marketOct 28, 2026 9:29:30 AM EDT
19.01USD-2.262%(-0.44)
UMC Exchange Volume Summary · 2026-10-28
UMC’s Lit Exchange Volume on 2026-10-28 was 1,327,739, which is 59.12% of the day’s total volume. Over the past 30 days, Lit Exchange Volume has averaged 70.62% of total volume.
| Exchange | Day % | Volume | 30D % |
|---|---|---|---|
| Off Exchange1 | 40.88% | 918,130 | 29.38% |
| NYSE | 15.35% | 344,762 | 36.02% |
| NYSE Arca | 12.57% | 282,399 | 7.58% |
| Nasdaq GSM | 10.87% | 244,031 | 9.83% |
| IEX | 8.78% | 197,106 | 6.48% |
| Cboe BZX | 4.62% | 103,827 | 3.56% |
| Cboe EDGX | 3.52% | 79,072 | 1.90% |
| MIAX Pearl | 0.77% | 17,310 | 0.40% |
| MEMX | 0.67% | 14,947 | 1.02% |
| Cboe EDGA | 0.65% | 14,636 | 0.56% |
| NYSE National | 0.33% | 7,382 | 0.63% |
| NYSE American | 0.25% | 5,711 | 0.12% |
| Cboe BYX | 0.24% | 5,378 | 0.49% |
| TXSE | 0.18% | 4,036 | 0.11% |
| Nasdaq BX | 0.14% | 3,084 | 0.17% |
| CHX | 0.06% | 1,318 | 1.62% |
| Nasdaq PHLX | 0.05% | 1,229 | 0.10% |
| 24X National | 0.04% | 959 | 0.01% |
| LTSE | 0.02% | 552 | 0.00% |
UMC Volume by Exchange
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UMC Volume by Exchange
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UMC Volume by Exchange · History
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| Date | Off Exchange1 | NYSE | NYSE Arca | Nasdaq GSM | IEX | Cboe BZX | Cboe EDGX | MIAX Pearl | MEMX | Cboe EDGA | NYSE National | NYSE American | Cboe BYX | TXSE | Nasdaq BX | CHX | Nasdaq PHLX | 24X National | LTSE |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-10-28 | 40.88 | 15.35 | 12.57 | 10.87 | 8.78 | 4.62 | 3.52 | 0.77 | 0.67 | 0.65 | 0.33 | 0.25 | 0.24 | 0.18 | 0.14 | 0.06 | 0.05 | 0.04 | 0.02 |
| 2026-10-27 | 25.71 | 37.16 | 6.40 | 12.05 | 7.89 | 2.77 | 1.36 | 0.23 | 0.93 | 0.52 | 0.53 | 0.06 | 0.28 | 0.04 | 0.07 | 3.94 | 0.05 | 0.00 | 0.00 |
| 2026-10-26 | 22.63 | 48.71 | 5.67 | 9.56 | 5.98 | 2.48 | 1.30 | 0.19 | 1.35 | 0.51 | 0.57 | 0.06 | 0.59 | 0.08 | 0.06 | 0.21 | 0.04 | 0.00 | 0.00 |
| 2026-10-23 | 33.81 | 34.23 | 6.38 | 11.88 | 7.03 | 2.21 | 1.01 | 0.27 | 1.11 | 0.49 | 0.51 | 0.09 | 0.58 | 0.10 | 0.19 | 0.04 | 0.07 | 0.00 | 0.00 |
| 2026-10-22 | 19.05 | 42.76 | 7.49 | 12.71 | 6.31 | 3.37 | 1.84 | 0.52 | 1.65 | 0.58 | 0.78 | 0.11 | 0.44 | 0.08 | 0.26 | 1.89 | 0.15 | 0.02 | 0.00 |
| 2026-10-21 | 21.72 | 43.07 | 8.68 | 11.11 | 5.98 | 3.61 | 1.33 | 0.42 | 1.63 | 0.68 | 0.64 | 0.08 | 0.57 | 0.12 | 0.26 | 0.03 | 0.07 | 0.00 | 0.00 |
| 2026-10-20 | 26.99 | 29.10 | 6.33 | 10.29 | 5.51 | 3.25 | 1.18 | 0.33 | 1.42 | 0.58 | 0.74 | 0.03 | 0.39 | 0.11 | 0.09 | 13.61 | 0.03 | 0.01 | 0.00 |
| 2026-10-19 | 25.34 | 38.29 | 7.21 | 10.54 | 8.48 | 3.41 | 1.75 | 0.41 | 1.31 | 0.87 | 0.56 | 0.34 | 0.63 | 0.07 | 0.41 | 0.02 | 0.37 | 0.00 | 0.00 |
| 2026-10-16 | 21.17 | 41.10 | 7.72 | 11.80 | 8.39 | 3.64 | 1.51 | 0.45 | 1.38 | 0.49 | 1.02 | 0.20 | 0.38 | 0.15 | 0.10 | 0.11 | 0.38 | 0.00 | 0.00 |
| 2026-10-15 | 28.49 | 36.54 | 7.67 | 12.21 | 5.57 | 4.12 | 1.54 | 0.36 | 1.30 | 0.38 | 0.32 | 0.06 | 0.42 | 0.21 | 0.12 | 0.66 | 0.02 | 0.01 | 0.00 |
| 2026-10-14 | 25.93 | 40.56 | 7.51 | 10.74 | 6.65 | 3.21 | 1.16 | 0.39 | 1.19 | 0.37 | 1.16 | 0.05 | 0.39 | 0.18 | 0.08 | 0.38 | 0.04 | 0.00 | 0.00 |
| 2026-10-13 | 25.08 | 36.00 | 9.72 | 11.54 | 8.74 | 2.83 | 2.68 | 0.38 | 0.85 | 0.35 | 0.88 | 0.04 | 0.45 | 0.10 | 0.16 | 0.15 | 0.05 | 0.00 | 0.00 |
| 2026-10-12 | 33.71 | 36.83 | 6.20 | 7.64 | 6.72 | 3.63 | 1.54 | 0.34 | 0.56 | 0.36 | 1.01 | 0.17 | 0.71 | 0.13 | 0.30 | 0.07 | 0.08 | 0.01 | 0.00 |
| 2026-10-09 | 28.58 | 39.18 | 6.28 | 8.54 | 7.14 | 3.41 | 2.07 | 0.51 | 0.84 | 0.65 | 1.20 | 0.21 | 0.83 | 0.06 | 0.25 | 0.03 | 0.20 | 0.00 | 0.00 |
| 2026-10-08 | 29.00 | 35.63 | 8.15 | 9.43 | 8.57 | 3.86 | 1.33 | 0.32 | 0.63 | 0.70 | 0.50 | 0.17 | 0.67 | 0.09 | 0.10 | 0.80 | 0.04 | 0.00 | 0.00 |
| 2026-10-07 | 41.66 | 29.09 | 7.63 | 7.01 | 6.15 | 2.78 | 1.94 | 0.50 | 1.05 | 0.39 | 0.41 | 0.15 | 0.43 | 0.08 | 0.14 | 0.45 | 0.11 | 0.02 | 0.00 |
| 2026-10-06 | 43.75 | 20.69 | 7.05 | 7.14 | 5.69 | 3.41 | 2.47 | 0.47 | 0.69 | 0.53 | 0.42 | 0.12 | 0.86 | 0.26 | 0.34 | 5.91 | 0.11 | 0.09 | 0.00 |
| 2026-10-05 | 35.09 | 20.91 | 10.12 | 9.96 | 5.20 | 4.79 | 3.00 | 0.51 | 0.82 | 1.06 | 0.76 | 0.17 | 0.91 | 0.16 | 0.27 | 6.17 | 0.10 | 0.01 | 0.00 |
| 2026-10-02 | 30.97 | 30.61 | 11.14 | 9.94 | 6.75 | 3.56 | 3.26 | 0.57 | 1.02 | 0.55 | 0.61 | 0.26 | 0.41 | 0.14 | 0.15 | 0.02 | 0.03 | 0.01 | 0.00 |
| 2026-10-01 | 29.09 | 34.70 | 8.59 | 10.70 | 7.19 | 4.22 | 2.12 | 0.43 | 0.98 | 0.43 | 0.52 | 0.14 | 0.42 | 0.13 | 0.22 | 0.02 | 0.06 | 0.02 | 0.00 |
| 2026-09-30 | 46.48 | 22.97 | 5.62 | 8.47 | 8.70 | 2.93 | 1.60 | 0.46 | 0.73 | 0.27 | 0.64 | 0.07 | 0.63 | 0.06 | 0.26 | 0.09 | 0.03 | 0.00 | 0.00 |
| 2026-09-29 | 27.26 | 27.43 | 9.23 | 15.05 | 10.17 | 3.95 | 2.48 | 0.72 | 1.60 | 0.72 | 0.42 | 0.15 | 0.35 | 0.06 | 0.13 | 0.08 | 0.20 | 0.00 | 0.00 |
| 2026-09-28 | 21.28 | 41.42 | 7.33 | 11.20 | 9.02 | 3.56 | 2.04 | 0.48 | 1.11 | 1.02 | 0.55 | 0.05 | 0.35 | 0.09 | 0.17 | 0.04 | 0.24 | 0.04 | 0.00 |
| 2026-09-25 | 31.69 | 31.14 | 7.50 | 11.32 | 8.75 | 3.00 | 2.76 | 0.41 | 0.98 | 0.56 | 0.71 | 0.08 | 0.58 | 0.06 | 0.23 | 0.05 | 0.15 | 0.05 | 0.00 |
| 2026-09-24 | 32.49 | 31.68 | 7.61 | 11.24 | 7.83 | 3.77 | 2.66 | 0.32 | 0.90 | 0.41 | 0.33 | 0.25 | 0.22 | 0.05 | 0.05 | 0.09 | 0.09 | 0.01 | 0.00 |