B3 · CMCS34 · stock
Comcast Corporation (CMCS34) stock price history
Every B3 trading session of Comcast Corporation from Jan 5, 2026 to Sep 28, 2026: 184 daily bars, adjusted for splits and dividends, with minute bars from Sep 17, 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.
CMCS34 adjusted close, 2026 to 2026
- R$33.04
- All time high, 2026
- R$33.43
- 52 week high, R$21.86 low
- 184
- Daily sessions since 2026
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2026 to 2026 series and minute bars.
CMCS34 key facts
- Comcast Corporation (CMCS34) closed at R$22.72 on Sep 28, 2026 on B3.
- CMCS34's all time high close is R$33.04, set on Feb 11, 2026; its all time low close is R$22.49 on Jul 23, 2026.
- CMCS34's 52 week range is R$21.86 to R$33.43.
- CMCS34's deepest drawdown was -31.9% from Feb 11, 2026 to Jul 23, 2026.
- DataCedar holds 184 daily sessions of CMCS34 history from Jan 5, 2026 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
CMCS34 price chart, 2026 to 2026
CMCS34 returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -18.9% |
| 3 months | -3.6% |
| 6 months | -22.2% |
| Year to date | n/a |
| 1 year | n/a |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Jan 5, 2026 | -25.8% |
CMCS34 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- R$33.04 on Feb 11, 2026
- All time low close
- R$22.49 on Jul 23, 2026
- 52 week high
- R$33.43 on Feb 11, 2026
- 52 week low
- R$21.86 on Jul 24, 2026
- Deepest drawdown
- -31.9% from Feb 11, 2026 to Jul 23, 2026, not yet recovered
- Best single session
- +15.2% on Jun 30, 2026
- Worst single session
- -13.8% on Apr 24, 2026
- Volatility, 1 year annualised
- 44.1%
- Sessions closing higher, 1 year
- 48%
CMCS34 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. 2026 starts on Jan 5, 2026; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | R$30.97 | R$33.43 | R$21.86 | R$22.72 | n/a | 1.2M | 184 |
CMCS34 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | R$22.72 | -18.1% |
| August 2026 | R$27.75 | +14.0% |
| July 2026 | R$24.34 | -11.8% |
| June 2026 | R$27.59 | +12.3% |
| May 2026 | R$24.56 | -7.2% |
| April 2026 | R$26.45 | -11.3% |
| March 2026 | R$29.82 | -4.2% |
| February 2026 | R$31.11 | +1.2% |
| January 2026 | R$30.75 | n/a |
About the CMCS34 data
Daily bars. 184 sessions from Jan 5, 2026 to Sep 28, 2026, one row per B3 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 17, 2026 forward, most recent session Sep 28, 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 B3 trading days; minute timestamps are UTC. Prices are in BRL. 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 Jan 5, 2026, 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/CMCS34/bars?timeframe=1Day&adjustment=all&limit=50000" \
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Common questions
CMCS34 share price history
