Comcast Corp (CMCSA): stock score 21/100

Comcast Corp (CMCSA) scores 21 out of 100 (below average among 99 US stocks) on trend, stability, fundamentals, market backdrop and news tone. Every calculation step shown. Educational, not advice.

CMCSA scores 21.2 out of 100 (below average), up 2.2 points from last week. No component raises it much. Its news tone weighs on it most (-10.0 points: average FinBERT sentiment -0.264 over 31 articles). Our research found no proven record of these factors predicting returns.

How the score is built

Trend: 19/100 (-6.3 points)

1. Price is -2.6% vs its 100-day average → higher than 25% of the comparison group → 25
2. 12-1 month momentum -16.7% → higher than 13% of the comparison group → 13
3. Average of the two → trend score 18.7

Tested in our research: the trend rule did not hold up out of sample.

Stability: 13/100 (-7.5 points)

1. Forecast 28.3% vs normal 25.4% → ratio 1.11
2. Ratio is higher than 87% of the comparison group → 100 minus 87 → stability 12.6 (bigger expected swings than usual → lower stability)

A machine-learning volatility model beat HAR for the S&P 500 (p = 0.04); not yet tested on single stocks. This component uses HAR.

Fundamentals: 24/100 (-5.2 points)

1. Revenue growth vs a year earlier: -0.8% → higher than 5% of the comparison group → 5
2. Operating-margin change vs a year earlier: -2.7 pp → higher than 11% of the comparison group → 11
3. Change in leverage (1 - equity/assets) vs a year earlier: -0.3 pp → higher than 56% of the comparison group (lower is better) → 56
4. Average of available items → fundamentals score 23.9

Not yet tested in our research.

Market backdrop: 51/100 (+0.2 points)

1. VIX in its 5-year range: 60 after inverting (lower VIX → higher)
2. Breadth vs its 5-year range → 45
3. Credit trend vs its 5-year range → 15
4. Yield curve vs its 5-year range → 83
5. Average → backdrop score 50.8 (same for every stock)

Tested in our research: cross-asset indicators did not improve forecasts.

News tone: 0/100 (-10.0 points)

1. Average FinBERT sentiment -0.264 over 31 articles; shrunk towards 0 for few articles → tone -0.227
2. Tone vs this stock's own past year → news score 0.2

Tested in our research: news sentiment made predictions slightly worse.

CMCSA score history (weekly)

Communication stocks compared

• VZ: 46/100
• T: 27/100
• CHTR: 23/100
• CMCSA: 21/100

Questions

What is Comcast Corp's (CMCSA) Quantooo score today?

CMCSA scores 21 out of 100 on 2026-10-22, below average among 99 US stocks. It ranks 99th of 99 overall and 4th of 4 in Communication. It was 19 a week earlier.

What raises and lowers CMCSA's score?

Market backdrop adds the most (51/100, +0.2 points) and news tone weighs on it most (0/100, -10.0 points). The score is 50 plus each part's weighted distance from 50.

Is CMCSA stock volatile right now?

Our volatility model (HAR) expects annualised swings of 28.3% over the next 20 trading days, against a normal level of 25.4% for CMCSA: bumpier than usual for this stock. Its stability score is 13/100 compared with the other 99 US stocks.

How are Comcast Corp's fundamentals changing?

Revenue growth vs a year earlier: -0.8%; Operating-margin change vs a year earlier: -2.7 pp; Change in leverage (1 - equity/assets) vs a year earlier: -0.3 pp. Fundamentals score: 24/100. From the 10-Q filed 2026-10-22 (period to 2026-09-30).

Does the score predict CMCSA's share price?

No. The score describes the stock's recent data; it is not a forecast of the share price. Our own tests found no reliable ability to rank stocks by future returns, and every test, including the failures, is published. Educational, not investment advice.

Sector: Communication. Data as of 2026-10-22. Scores describe data; they are not recommendations or predictions. Educational, not investment advice.