TransAlta Corporation (TAC)

Showing Closing Date Range from Oct 16 to Oct 23, 2026 compared to Oct 8 to Oct 15, 2026.

Compare Last 7 Days with Previous Period

Current Period Close
$12.22
Oct 16, 2026 - Oct 23, 2026
Previous Period Close
$12.66
Oct 08, 2026 - Oct 15, 2026
Net Comparison Delta
$-0.44 (-3.48%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(6 dates)
Current DateCurrent ClosePrevious DatePrevious CloseDelta (%)
Oct 23, 2026$12.22Oct 15, 2026$12.66-3.48%
Oct 22, 2026$12.51Oct 14, 2026$12.66-1.18%
Oct 21, 2026$13.34Oct 13, 2026$13.22+0.91%
Oct 20, 2026$12.97Oct 12, 2026$13.00-0.23%
Oct 19, 2026$13.00Oct 09, 2026$13.13-0.99%
Oct 16, 2026$12.85Oct 08, 2026$12.89-0.31%