BMV · UMCN · stock
United Microelectronics Corporation (UMCN) stock price history
Every BMV trading session of United Microelectronics Corporation from Aug 2, 2021 to Nov 11, 2026: 1,316 daily bars, adjusted for splits and dividends, with minute bars from Sep 21, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
UMCN adjusted close, 2021 to 2026
- MX$487.58
- All time high, 2026
- MX$487.58
- 52 week high, MX$135.88 low
- 1,316
- Daily sessions since 2021
Last updated Nov 11, 2026, the last stored session. Refreshes after each trading day. Full 2021 to 2026 series and minute bars.
UMCN key facts
- United Microelectronics Corporation (UMCN) closed at MX$362.33 on Nov 11, 2026 on BMV.
- UMCN's all time high close is MX$487.58, set on Jun 24, 2026; its all time low close is MX$123.86 on Aug 8, 2025.
- UMCN's 52 week range is MX$135.88 to MX$487.58.
- UMCN returned +166.7% over the year to Nov 11, 2026 and +59.8% over five years.
- Since Aug 2, 2021 UMCN returned +82%, +12.0% a year compounded.
- UMCN's deepest drawdown was -51.7% from Jan 11, 2022 to Aug 8, 2025.
- DataCedar holds 1,316 daily sessions of UMCN history from Aug 2, 2021 and minute bars from Sep 21, 2026, adjusted for splits and dividends, served by the API under a key.
UMCN price chart, 2021 to 2026
UMCN returns
Price return from the last close on or before the window start to Nov 11, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -14.0% |
| 3 months | +10.6% |
| 6 months | +103.7% |
| Year to date | +152.8% |
| 1 year | +166.7% |
| 3 years | +172.4% |
| 5 years | +59.8% |
| 10 years | n/a |
| Since Aug 2, 2021 | +81.8% |
| Compound annual growth, 5.3 years | +12.0% |
UMCN records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- MX$487.58 on Jun 24, 2026
- All time low close
- MX$123.86 on Aug 8, 2025
- 52 week high
- MX$487.58 on Jun 22, 2026
- 52 week low
- MX$135.88 on Nov 11, 2025
- Deepest drawdown
- -51.7% from Jan 11, 2022 to Aug 8, 2025, recovered May 28, 2026
- Best single session
- +128.7% on May 28, 2026
- Worst single session
- -24.2% on Jul 21, 2026
- Volatility, 1 year annualised
- 100.0%
- Sessions closing higher, 1 year
- 6%
- Best calendar year
- 2024, +22%
- Worst calendar year
- 2022, -43%
UMCN price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2021 starts on Aug 2, 2021; 2026 runs to Nov 11, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | MX$143.34 | MX$487.58 | MX$139.88 | MX$362.33 | +152.8% | 17.5K | 210 |
| 2025 | MX$164.04 | MX$164.04 | MX$123.64 | MX$143.34 | -12.6% | 17.8K | 251 |
| 2024 | MX$134.91 | MX$164.04 | MX$134.11 | MX$164.04 | +21.6% | 222 | 251 |
| 2023 | MX$146.35 | MX$155.25 | MX$133.02 | MX$134.91 | -7.8% | 1.2K | 251 |
| 2022 | MX$256.43 | MX$256.43 | MX$145.36 | MX$146.35 | -42.9% | 3.3K | 252 |
| 2021 | MX$199.34 | MX$256.43 | MX$199.34 | MX$256.43 | n/a | 11.4K | 101 |
UMCN monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | MX$362.33 | 0.0% |
| October 2026 | MX$362.33 | -16.7% |
| September 2026 | MX$435.00 | +35.0% |
| August 2026 | MX$322.26 | -7.9% |
| July 2026 | MX$350.00 | -25.3% |
| June 2026 | MX$468.59 | +19.3% |
| May 2026 | MX$392.66 | +120.8% |
| April 2026 | MX$177.85 | 0.0% |
| March 2026 | MX$177.85 | 0.0% |
| February 2026 | MX$177.85 | -11.0% |
| January 2026 | MX$199.83 | +39.4% |
| December 2025 | MX$143.34 | +5.5% |
About the UMCN data
Daily bars. 1,316 sessions from Aug 2, 2021 to Nov 11, 2026, one row per BMV trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Sep 21, 2026 forward, most recent session Oct 22, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are BMV trading days; minute timestamps are UTC. Prices are in MXN. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Aug 2, 2021, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/bmv%3AUMCN/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on BMV
Common questions
UMCN share price history
