TransAlta Corporation (TAC)
Showing Closing Date Range from Apr 29 to Oct 26, 2026 compared to Oct 30, 2025 to Apr 28, 2026.
Compare Last 6 Months with Previous Period
Investor Relations:transalta.com/investors
Current Period Close
$12.27
Apr 29, 2026 - Oct 26, 2026
Previous Period Close
$12.71
Oct 30, 2025 - Apr 28, 2026
Net Comparison Delta
$-0.44 (-3.46%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(120 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 26, 2026 | $12.27 | Apr 23, 2026 | $12.08 | +1.57% |
| Oct 23, 2026 | $12.22 | Apr 22, 2026 | $12.28 | -0.49% |
| Oct 22, 2026 | $12.51 | Apr 21, 2026 | $12.16 | +2.88% |
| Oct 21, 2026 | $13.34 | Apr 20, 2026 | $12.66 | +5.37% |
| Oct 20, 2026 | $12.97 | Apr 17, 2026 | $12.66 | +2.45% |
| Oct 19, 2026 | $13.00 | Apr 16, 2026 | $13.50 | -3.70% |
| Oct 16, 2026 | $12.85 | Apr 15, 2026 | $13.68 | -6.07% |
| Oct 15, 2026 | $12.66 | Apr 14, 2026 | $13.49 | -6.15% |
| Oct 14, 2026 | $12.66 | Apr 13, 2026 | $13.68 | -7.46% |
| Oct 13, 2026 | $13.22 | Apr 10, 2026 | $14.00 | -5.57% |
| Oct 12, 2026 | $13.00 | Apr 09, 2026 | $13.83 | -6.00% |
| Oct 09, 2026 | $13.13 | Apr 08, 2026 | $13.83 | -5.06% |
| Oct 08, 2026 | $12.89 | Apr 07, 2026 | $13.54 | -4.80% |
| Oct 07, 2026 | $12.88 | Apr 06, 2026 | $13.64 | -5.57% |
| Oct 06, 2026 | $13.12 | Apr 02, 2026 | $13.48 | -2.67% |
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