TransAlta Corporation

TAC stock score: 49/100

$12.51 · -6.22% · Scored Oct 22, 2026

Technical
53
Fundamental
45
News
—

The reading

TransAlta (TAC) scores 49 out of 100, which reads weak, higher than 21% of Utilities stocks and 40% of the 4,161 US stocks we score.

The composite is technicals and fundamentals weighted equally: technicals read 53, fundamentals 45.

Among the fundamentals, Insider Transactions at 100 and Institutional Ownership at 100 score highest, while Earnings Growth (Annual) at 0 weighs the most against it.

On the daily chart, trend-following indicators average 53 and contrarian oscillators 42.

Since Jul 25, 2026 the composite has ranged from 43 to 61, and it is down 12 points over the period.

What’s driving the score

The strongest and weakest of the scorers that count toward TAC’s composite. Each returns 0–100, higher is more bullish — including metrics where low is good, like P/E.

Fundamental

45

Pulling it up

  • Insider Transactions100

    Insider transactions track recent buying and selling by company insiders.

  • Institutional Ownership100

    Institutional ownership measures the percentage held by professional investors.

  • Earnings Growth (Quarterly)100

    Quarterly earnings growth measures profit increase versus the prior-year quarter.

Holding it back

  • Earnings Growth (Annual)0

    Annual earnings growth tracks year-over-year profit expansion.

  • Return on Equity (ROE)0

    Return on Equity (ROE) measures how efficiently a company generates profits from shareholder equity.

  • PEG Ratio1

    PEG ratio divides the P/E ratio by earnings growth rate.

39 weighted scorers; 2 had no data today and are left out rather than counted as zero.

Technical · daily

50

Pulling it up

  • TRIX86

    TRIX is a momentum oscillator that filters out short-term noise by triple-smoothing price data.

  • Know Sure Thing (KST)85

    Know Sure Thing (KST) combines multiple rate-of-change calculations to identify long-term trend reversals.

  • Chaikin Money Flow (20)85

    Chaikin Money Flow (20-period) measures buying and selling pressure over 20 periods.

Holding it back

  • Candlestick Patterns0

    Candlestick patterns recognize specific price formations that historically suggest continuation or reversal.

  • S&P 500 52W Comparison9

    S&P 500 52-week comparison evaluates the stock's annual performance relative to the broader market.

  • 52-Week Range17

    Where the price sits between its 52-week low and high.

62 weighted scorers; 3 had no data today and are left out rather than counted as zero.

Technical score by timeframe

ChartScoreWeight
Hourly371
Daily503
Weekly532
Monthly622
Quarterly572

Composite score, last 90 days

05010049Jul 25, 2026Oct 22, 2026Jul 25, 2026: 61Jul 26, 2026: 61Jul 27, 2026: 60Jul 28, 2026: 58Jul 29, 2026: 57Jul 30, 2026: 58Jul 31, 2026: 61Aug 2, 2026: 47Aug 3, 2026: 47Aug 5, 2026: 47Aug 6, 2026: 46Aug 7, 2026: 44Aug 8, 2026: 43Aug 9, 2026: 43Aug 10, 2026: 44Aug 11, 2026: 46Aug 12, 2026: 48Aug 13, 2026: 48Aug 14, 2026: 48Aug 15, 2026: 48Aug 16, 2026: 48Aug 17, 2026: 48Aug 18, 2026: 47Aug 19, 2026: 47Aug 20, 2026: 49Aug 22, 2026: 49Aug 23, 2026: 49Aug 24, 2026: 45Aug 25, 2026: 46Aug 26, 2026: 48Aug 27, 2026: 49Aug 28, 2026: 46Aug 29, 2026: 48Aug 30, 2026: 47Aug 31, 2026: 45Sep 1, 2026: 45Sep 2, 2026: 46Sep 3, 2026: 44Sep 4, 2026: 45Sep 5, 2026: 46Sep 6, 2026: 46Sep 7, 2026: 46Sep 8, 2026: 49Sep 9, 2026: 48Sep 10, 2026: 47Sep 11, 2026: 46Sep 12, 2026: 46Sep 13, 2026: 46Sep 14, 2026: 44Sep 15, 2026: 43Sep 16, 2026: 44Sep 17, 2026: 48Sep 18, 2026: 48Sep 19, 2026: 48Sep 20, 2026: 48Sep 21, 2026: 48Sep 22, 2026: 46Sep 23, 2026: 46Sep 24, 2026: 46Sep 25, 2026: 43Sep 26, 2026: 44Sep 27, 2026: 44Sep 28, 2026: 45Sep 29, 2026: 45Sep 30, 2026: 47Oct 1, 2026: 48Oct 2, 2026: 49Oct 3, 2026: 49Oct 4, 2026: 49Oct 5, 2026: 49Oct 6, 2026: 52Oct 7, 2026: 52Oct 8, 2026: 51Oct 9, 2026: 53Oct 10, 2026: 53Oct 11, 2026: 53Oct 12, 2026: 52Oct 13, 2026: 53Oct 14, 2026: 50Oct 15, 2026: 48Oct 16, 2026: 47Oct 17, 2026: 46Oct 18, 2026: 46Oct 19, 2026: 52Oct 20, 2026: 52Oct 21, 2026: 53Oct 22, 2026: 49
Show the daily numbers
DateComposite
Oct 22, 202649
Oct 21, 202653
Oct 20, 202652
Oct 19, 202652
Oct 18, 202646
Oct 17, 202646
Oct 16, 202647
Oct 15, 202648
Oct 14, 202650
Oct 13, 202653
Oct 12, 202652
Oct 11, 202653
Oct 10, 202653
Oct 9, 202653
Oct 8, 202651
Oct 7, 202652
Oct 6, 202652
Oct 5, 202649
Oct 4, 202649
Oct 3, 202649
Oct 2, 202649
Oct 1, 202648
Sep 30, 202647
Sep 29, 202645
Sep 28, 202645
Sep 27, 202644
Sep 26, 202644
Sep 25, 202643
Sep 24, 202646
Sep 23, 202646
Sep 22, 202646
Sep 21, 202648
Sep 20, 202648
Sep 19, 202648
Sep 18, 202648
Sep 17, 202648
Sep 16, 202644
Sep 15, 202643
Sep 14, 202644
Sep 13, 202646
Sep 12, 202646
Sep 11, 202646
Sep 10, 202647
Sep 9, 202648
Sep 8, 202649
Sep 7, 202646
Sep 6, 202646
Sep 5, 202646
Sep 4, 202645
Sep 3, 202644
Sep 2, 202646
Sep 1, 202645
Aug 31, 202645
Aug 30, 202647
Aug 29, 202648
Aug 28, 202646
Aug 27, 202649
Aug 26, 202648
Aug 25, 202646
Aug 24, 202645
Aug 23, 202649
Aug 22, 202649
Aug 20, 202649
Aug 19, 202647
Aug 18, 202647
Aug 17, 202648
Aug 16, 202648
Aug 15, 202648
Aug 14, 202648
Aug 13, 202648
Aug 12, 202648
Aug 11, 202646
Aug 10, 202644
Aug 9, 202643
Aug 8, 202643
Aug 7, 202644
Aug 6, 202646
Aug 5, 202647
Aug 3, 202647
Aug 2, 202647
Jul 31, 202661
Jul 30, 202658
Jul 29, 202657
Jul 28, 202658
Jul 27, 202660
Jul 26, 202661
Jul 25, 202661

Key facts

Market cap
$4.0B
Sector
Utilities
Industry
Utilities - Independent Power Producers
Beta
0.48
Risk grade (1–10)
4
Next earnings
Nov 3, 2026

Utilities - Independent Power Producers peers

CompanyMarket capScore
CEG Constellation Energy$90.4B51
VST Vistra$47.3B50
NRG NRG Energy$19.8B50
TLN Talen Energy$15.7B45
OKLO Oklo$5.0B28

Questions

What is TAC's stock score today?

TAC scores 49/100 (Weak) as of Oct 22, 2026: technical 53, fundamental 45. Scores are recomputed every night.

Is TAC a buy?

The score is not a buy or sell recommendation. A 49 says the technical and fundamental signals we measure lean weak today, relative to every other stock scored the same way. Use the breakdown above to see why, and treat it as a starting point for your own research.

How is the TAC score calculated?

101 weighted scorers feed it today: 39 fundamental, scored against Utilities ranges, and 62 technical on the daily chart, with 5 timeframes blended into the technical total. Every scorer returns 0–100; missing data is left out, never counted as zero.

Scores are information, not investment advice. Computed from Yahoo Finance, Finnhub and Alpha Vantage data; technical indicators via TA-Lib. Past scores do not predict future returns.