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TransAlta Corporation

TAC Utilities Electric Utilities: Central
$12.67
Today
as of Aug 5, 16:54 ET
Last 30 days -6.98% Jun 29 → Aug 05
$12.17 $12.80 $13.43 $14.06 $14.69 Jun 29 Jul 07 Jul 14 Jul 22 Jul 29 Aug 05
Open
$12.95
High
$13.12
Low
$12.47
Volume
$2M
Avg Vol
$2M
Mkt Cap
$3.8B
P/E (TTM)
—
Beta
—
52w High
$17.88
52w Low
$10.12
Div Yield
—
Shares Out
—

Recent Press Releases & News last 60 days · 17 items

Aug 5 · 00:00 Argus Research
TAC: What does Argus have to say about TAC?
Aug 1 · 03:03 MarketBeat
TransAlta Q2 Earnings Call Highlights
Jul 31 · 23:00 GuruFocus.com
TransAlta Corp (TAC) (Q2 2026) Earnings Call Highlights: Strategic Resilience and Data Center ...
▸ Show all 17 press releases & news Free account →

Overview

52-week range
$10
$18
33% of range
Avg surprise (last 3)
+121.2%
Avg reaction (last 2)
-2.2%
50% positive
Latest IV / EM
51%
EM ±8.5% · $13 · Aug 21

Earnings trends

EPS — actual vs estimate Actual Estimate
$0.01$0.04$0.07$0.10$0.13 Actual $0.07Est $0.09Actual $0.13Est $0.07Actual $0.04Est $0.01 Mar/2025Jun/2025Mar/2026

Earnings history

DatePeriodActual EPSEstSurpriseYoY %ΔDay reactSource
Wed May 6, 2026Mar/2026 $0.04 $0.01 +300.0% -42.9% +1.5% earnings
Fri Aug 1, 2025Jun/2025 $0.13 $0.07 +85.7% — — earnings
Wed May 7, 2025Mar/2025 $0.07 $0.09 -22.2% — -6.0% earnings

Implied volatility — last 90 days

39%98%157%216%275% Jun 07 — IV 58% · EM ±8.1%Jun 08 — IV 64% · EM ±8.4%Jun 09 — IV 81% · EM ±10.2%Jun 10 — IV 99% · EM ±11.7%Jun 11 — IV 64% · EM ±7.1%Jun 12 — IV 68% · EM ±6.9%Jun 15 — IV 82% · EM ±5.9%Jun 16 — IV 276% · EM ±16.3%Jun 19 — IV 51% · EM ±11.3%Jun 22 — IV 46% · EM ±9.6%Jun 23 — IV 51% · EM ±10.4%Jun 24 — IV 50% · EM ±10.0%Jun 25 — IV 43% · EM ±8.3%Jun 26 — IV 47% · EM ±9.1%Jun 29 — IV 39% · EM ±7.0%Jun 30 — IV 72% · EM ±12.5%Jul 01 — IV 46% · EM ±7.7%Jul 02 — IV 59% · EM ±9.5%Jul 03 — IV 61% · EM ±9.5%Jul 06 — IV 50% · EM ±7.0%Jul 07 — IV 48% · EM ±6.4%Jul 08 — IV 74% · EM ±9.3%Jul 09 — IV 51% · EM ±6.0%Jul 10 — IV 40% · EM ±4.4%Jul 13 — IV 169% · EM ±14.1%Jul 15 — IV 178% · EM ±10.5%Jul 16 — IV 109% · EM ±4.5%Jul 20 — IV 51% · EM ±12.0%Jul 21 — IV 55% · EM ±12.9%Jul 22 — IV 51% · EM ±11.8%Jul 23 — IV 50% · EM ±11.3%Jul 24 — IV 47% · EM ±10.3%Jul 27 — IV 65% · EM ±13.6%Jul 28 — IV 65% · EM ±13.3%Jul 29 — IV 54% · EM ±10.9%Jul 30 — IV 67% · EM ±13.2%Jul 31 — IV 46% · EM ±8.8%Aug 03 — IV 50% · EM ±8.9%Aug 04 — IV 67% · EM ±11.6%Aug 05 — IV 51% · EM ±8.5%

Sector peers

SO
Southern Company (The)
$106.4B $93.40+0.3%
CEG
Constellation Energy Corporation
$98.9B $264.88-0.1%
DUK
Duke Energy Corporation
$97.8B $123.04-0.2%
WM
Waste Management, Inc.
$90.5B $224.58+0.1%
WMB
Williams Companies, Inc. (The)
$86.7B $71.81
EPD
Enterprise Products Partners L.P.
$82.5B $37.70-0.1%
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