
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
Investor Relations:transalta.com/investors
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 Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 23, 2026 | $12.22 | Oct 15, 2026 | $12.66 | -3.48% |
| Oct 22, 2026 | $12.51 | Oct 14, 2026 | $12.66 | -1.18% |
| Oct 21, 2026 | $13.34 | Oct 13, 2026 | $13.22 | +0.91% |
| Oct 20, 2026 | $12.97 | Oct 12, 2026 | $13.00 | -0.23% |
| Oct 19, 2026 | $13.00 | Oct 09, 2026 | $13.13 | -0.99% |
| Oct 16, 2026 | $12.85 | Oct 08, 2026 | $12.89 | -0.31% |