Wallsti
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CMCSA

Comcast Corporation · Communication Services · Telecom Services
TECHSellZACKSSell R500#381 today
$21.57 -0.60% today · -1.55% 1W
Oct 2 close or latest
PreviewWhy it's moving

Underperforming without a clear catalyst yet

Assembled from Wallsti's own signals.

After each kind of event

EventEvents1 day1 week1 month1 quarter
Any day 1,255 0.0%#443 H -0.1%#472 H -0.9%#483 H -3.2%#480 M
Big drop (-2.1% or worse) 66 +0.2%#182 H +0.3%#324 H 0.0%#365 H -1.1%#452 M
Big gain (+1.8% or better) 65 +0.1%#232 H +0.4%#219 H -0.5%#471 H -0.3%#460 M
Earnings beat 20 +0.6%#152 H +1.4%#34 H +1.0%#282 H -3.7%#450 M
Earnings miss — — — — —
52-week high 3 +0.5%#59 L -0.6%#301 L -1.8%#288 L -10.6%–
52-week low 10 +0.6%#54 M +1.2%#76 M +3.8%#36 M +6.8%#108 L
Crossed above 200-day avg 11 -0.6%#473 M -0.7%#395 M +1.6%#229 M -5.4%#457 L
Crossed below 200-day avg 10 +0.6%#126 M -0.2%#375 M +1.6%#219 M -5.9%#416 L
RSI oversold 17 +1.2%#9 M +0.3%#358 M +2.8%#178 M -0.4%#438 M
RSI overbought 10 -0.3%#389 M -0.4%#286 M -1.9%#436 M -6.7%#371 M
Mention spike (Trendy) — — — — —
Analyst upgrade — — — — —
Analyst downgrade — — — — —
Insider buy — — — — —
Insider unplanned sale — — — — —

Median gain from the close of the session the event was known, over each holding period; #rank among the S&P 500 stocks after the same kind of event (#1 = best). "Big" is CMCSA's own: its worst / best 10% of days over the prior 2 years. Highlighted: happening in the latest session.

Crossed below 200-day avg

The close moves below its 200-day moving average.

HoldingEventsMedian (likely range)ConfidenceRankUpvs SPYRange of outcomes (worst · 25–75% · median · best)vs S&P 500 stocks (their medians)
1 day 10 +0.56% (-0.8 to +1.3) Medium #126 of 497 50% +1.19%
1 week 10 -0.16% (-2.3 to +0.6) Medium #375 of 497 50% -0.41%
1 month 10 +1.60% (-7.2 to +5.6) Medium #219 of 496 50% -2.70%
1 quarter 9 ≈7 indep. -5.88% (-10.5 to +5.7) Low #416 of 493 33% -5.18%

Range of outcomes: all of CMCSA's crosses below the 200-day average in the past 5 years, from the worst to the best result over each holding period; the box holds the middle half, the tick is the median. A wide box means the median alone says little. Hover the median for the average.

Crossed below 200-day avg by trend

When it happenedEvents1 day1 week1 month1 quarter
Medium trendAbove its 50-day avg 3 -0.9%L vs 0.0% -2.3%L vs +0.2% -1.7%L vs -0.8% +1.6%– vs -2.8%
Below its 50-day avg now 7 +1.2%L vs 0.0% +0.2%L vs -0.1% +4.9%L vs -0.7% -10.4%L vs -2.3%
Short trendAbove its 20-day avg 4 -0.5%L vs 0.0% -1.0%L vs -0.1% -4.5%L vs -0.8% -2.6%L vs -4.4%
Below its 20-day avg now 6 +1.2%L vs 0.0% 0.0%L vs -0.1% +5.2%L vs -0.9% -8.1%L vs -1.4%

The same event split by where CMCSA stood against its 200-, 50- and 20-day averages when it happened (a dip in an uptrend vs a falling knife); "vs" is the plain any-day median in that trend; "now" marks where it stands today. Splitting halves the evidence, so watch the confidence letters: H / M / L.

Latest crosses below the 200-day average

EventEntry1 day1 week1 month1 quarter
Sep 1, 2026 Sep 1 @ $26.30 -1.2% on the day +1.9% -6.5% -17.5% …
Apr 24, 2026 Apr 24 @ $27.19 -12.9% on the day -0.2% -1.3% -8.7% -16.1%
Mar 18, 2026 Mar 18 @ $27.86 -5.0% on the day +1.4% +0.6% +4.9% -19.7%
Jan 27, 2026 Jan 27 @ $27.99 -2.5% on the day -1.0% +3.7% +7.5% -2.6%
Dec 9, 2024 Dec 9 @ $33.99 -9.5% on the day +1.2% -0.5% -6.1% -10.4%
Aug 1, 2024 Aug 1 @ $34.79 -2.5% on the day -0.9% -2.3% -1.7% +5.7%
Mar 14, 2024 Mar 14 @ $36.43 -1.1% on the day -0.1% +0.2% -7.2% -11.6%
Feb 8, 2024 Feb 8 @ $35.09 -3.8% on the day +2.0% +1.3% +5.6% -5.9%
Oct 26, 2023 Oct 26 @ $33.09 -8.4% on the day +1.3% +8.6% +7.5% +18.6%
Mar 7, 2023 Mar 7 @ $29.94 -2.4% on the day -0.8% -2.5% +5.6% +9.9%

Aftermath: entry is the close of the first session the event was fully known (the same session for price moves, the reaction session for earnings, the next session for Reddit, analyst and insider events, which are dated by day). Repeats within a few sessions count as one event. Past performance after an event says nothing certain about the next one. Not advice.