TACTransAlta Corporation

$13.15-3.2% 1Y
Latest close: back above its 200-day averageOct 9, 2026what changed →

What is the market doing?

Mixed

No clear lean: rangebound and moderately shorted.

2 neutral, 1 without data
TrendRangeboundderived · Oct 9, 2026

Choppy, but holding above its 200-day average. Price is +2% vs its 200-day average.

Short interest4.6% of sharesFINRA · Sep 15, 2026

Moderately shorted, settled Sep 15, 2026, about a week of normal trading to cover. Up 18% since the previous count, up from 1.9% of shares outstanding three months ago.

Where this answer is blind. Insider selling is often routine (taxes, diversification); only cluster buying is a strong tell.

How TAC is trading

TransAlta Corporation is −3.2% over the past year while the S&P 500 is +18%: 22 points behind the market.

−3.2%

1-year return · S&P 500 +18%

vs 200-day average
+1.9%

vs 200-day average · close to trend

RSI (14)
64

RSI (14) · neutral

Below its 52-week high
26%

Below its 52-week high

Sep 18, 2024$7.17 – $17.66 · dashed line: 200-day averageOct 9, 2026
Details›
Last close2026-10-09
$13.15
1 monthS&P 500 +2.7%
+7.9%
1 yearS&P 500 +18%
−3.2%
5 yearsS&P 500 +88%
+43%
vs 50-day average$12.31
+6.8%
52-week high
$17.66
52-week low
$11.51
Annualised volatility
43%
Calendar-year price return
YearReturn
2026 (year to date)+4.4%
2025−9.5%
2024+74%
2023−5.6%
2022−18%
2021+49%
2020+8.1%
2019+77%
2018−30%
2017+11%
Average return by calendar month, 2016–2026
MonthYearsPositiveAverage
Jan106 of 10+2.8%
Feb104 of 10−2.4%
Mar105 of 10−0.36%
Apr105 of 10−0.92%
May107 of 10+4.6%
Jun105 of 10+2.7%
Jul118 of 11+3.1%
Aug114 of 11−1.8%
Sep116 of 11+1.1%
Oct115 of 11+0.94%
Nov108 of 10+6.1%
Dec106 of 10+1.2%

End-of-day closes from IEX; the S&P 500 comparison uses SPY over the same window. Prices are a reference point, not a basis for trading decisions.