Is the CMCSA chart on Tapeboard real-time?

The public CMCSA chart on Tapeboard is delayed 15 minutes. A free 7-day Pro trial unlocks real-time quotes, the full scanner, and 53 technical indicators (12 free) — no card required.

Yes. Tapeboard's public charts, price alerts, and per-ticker news are free with no card. A 7-day Pro trial (full real-time terminal, 83 indicators, SEC filings, insider trades, scanner) is available for free signup. Pro is $39/mo after the trial.

What technical indicators can I add to the CMCSA chart?

Tapeboard supports 53 technical indicators (12 free) — moving averages (SMA/EMA/VWAP), oscillators (RSI/MACD/Stochastic), volatility (Bollinger Bands/ATR), volume (OBV/Volume Profile), and momentum indicators. 12 are free; the rest unlock with a Pro trial.

Does Tapeboard show after-hours and pre-market prices for CMCSA?

Yes. Tapeboard's CMCSA chart includes pre-market (4 AM–9:30 AM ET) and after-hours (4 PM–8 PM ET) trading data. Overnight Blue Ocean session quotes (8 PM–4 AM ET, Sun–Fri) are also shown on Pro.

Why is Comcast Corporation (CMCSA) moving today?

The Tapeboard CMCSA page surfaces last-24h headlines from Yahoo, Finnhub, and SEC EDGAR alongside the live chart so you can correlate price moves to catalysts. Material 8-K filings, insider transactions, and short-interest changes are also visible.

What other tools does Tapeboard offer besides charts?

Tapeboard is a Bloomberg-style terminal: real-time scanner (44 presets), 83 chart indicators, FRED economic data, SEC filings (10-K/10-Q/8-K/Form 4 with AI summaries), insider trades, short-squeeze leaderboard, crypto, forex, bonds, options chains, news, and an economic calendar — all in one browser tab.

NASDAQ · Communication Services

CMCSA · Comcast Corporation

Live chart · time & sales · filings · insider activity · alerts

$21.57 -0.13 (-0.60%)

Last quote · 03 Oct 2026 02:19:10 UTC

Comcast operates Xfinity cable and broadband, NBCUniversal content + theme parks, and Sky in Europe. Broadband is the profit engine.

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Why CMCSA is moving

The live chart, last-24h headlines, intraday level 1 + 2, and any 8-K that just dropped — surfaced in one tab. open the chart for the full intraday view, or set a free alert at your level and we'll ping you when CMCSA hits it.

What Tapeboard shows for CMCSA

live chart, intraday + multi-year, 53 technical indicators (12 free), candle / bar / area
level 1 + 2 quotes, real-time bid/ask, time & sales, dollar volume
last-24h news, dedup'd headlines from Yahoo, Finnhub, SEC EDGAR, in chronological order
sec filings, 10-k / 10-q / 8-k / form 4 with ai-generated summaries
insider transactions, exec + 10%+ holder buys/sells, filterable
price alerts, free, no card, ticker-scoped (set one for CMCSA)

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How Tapeboard stacks up against tools traders use alongside CMCSA:

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CMCSA · Comcast Corporation

Live chart · time & sales · filings · insider activity · alerts

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