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TransAlta Corporation

TAC Utilities Electric Utilities: Central
$11.89
▼ -0.6% Today
as of Sep 4, 16:55 ET
Last 30 days -6.12% Jul 28 → Sep 04
$11.68 $12.00 $12.32 $12.63 $12.95 Jul 28 Aug 05 Aug 12 Aug 20 Aug 27 Sep 04
Open
$11.79
High
$12.07
Low
$11.75
Volume
$1M
Avg Vol
$2M
Mkt Cap
$4.0B
P/E (TTM)
—
Beta
—
52w High
$17.88
52w Low
$11.38
Div Yield
—
Shares Out
—

Recent Press Releases & News last 60 days · 10 items

Aug 14 · 09:02 Utility Dive
FERC approves TransAlta, PowerTransitions gas-fired power plant deals
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
▸ Show all 10 press releases & news Free account →

Overview

52-week range
$11
$18
8% of range
Avg surprise (last 3)
+121.2%
Avg reaction (last 2)
-2.2%
50% positive
Latest IV / EM
29%
EM ±4.6% · $12 · Sep 18

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

29%91%152%214%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%Aug 06 — IV 79% · EM ±12.8%Aug 07 — IV 93% · EM ±14.5%Aug 10 — IV 54% · EM ±7.5%Aug 11 — IV 66% · EM ±8.7%Aug 12 — IV 80% · EM ±10.1%Aug 13 — IV 62% · EM ±7.3%Aug 14 — IV 50% · EM ±5.5%Aug 17 — IV 57% · EM ±4.7%Aug 18 — IV 127% · EM ±9.2%Aug 19 — IV 99% · EM ±5.9%Aug 20 — IV 128% · EM ±5.4%Aug 24 — IV 35% · EM ±7.2%Aug 25 — IV 42% · EM ±8.6%Aug 26 — IV 56% · EM ±11.3%Aug 27 — IV 50% · EM ±9.8%Aug 28 — IV 42% · EM ±8.0%Aug 31 — IV 46% · EM ±8.1%Sep 01 — IV 39% · EM ±6.8%Sep 02 — IV 48% · EM ±8.0%Sep 03 — IV 35% · EM ±5.7%Sep 04 — IV 29% · EM ±4.6%

Sector peers

SO
Southern Company (The)
$106.9B $88.00-0.1%
CEG
Constellation Energy Corporation
$98.7B $298.69-0.1%
DUK
Duke Energy Corporation
$97.1B $120.15-0.1%
WM
Waste Management, Inc.
$91.5B $218.99+0.0%
WMB
Williams Companies, Inc. (The)
$89.3B $73.50-0.9%
EPD
Enterprise Products Partners L.P.
$82.3B $39.00+0.2%
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