Stocks / Semiconductors
UMCSemiconductors
United Microelectronic Corp.
$24.411d +7.4%5d +11.0%settled close · 2026-09-17
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Who’s talking about UMC
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The options tapeThe Brief · paid
Notable options days
Sessions in the last 120 where UMC’s settled options volume ran ≥ 2× its trailing 20-session baseline, or delta-dollar flow ran ≥ 2.5× — 9 of 120 sessions qualified.
The qualifying dates are the free record. Close, flow, call/LEAPS mix and the 20-session outcome — for every session below — are Brief subscriber content.
| Date | Close | RVOL | Δ$ flow ($M) | Call % | LEAPS % | +20 sess. |
|---|---|---|---|---|---|---|
| 2026-09-17 | ||||||
| 2026-09-16 | ||||||
| 2026-09-09 | ||||||
| 2026-08-11 | ||||||
| 2026-07-16 | ||||||
| 2026-07-07 | ||||||
| 2026-06-18 | ||||||
| 2026-05-28 | ||||||
| 2026-05-27 |
+20 sess. = raw price change over the following 20
sessions — not market-adjusted; the tape tells you where to look,
not what happens next.
Today’s tape on
UMC is in this morning’s Brief.
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