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TA – TransAlta Corporation

Last update: April 23, 2024 at 6:03 p.m.   (Real-time)

  • Last price: 8.910
  • Net change: 0.020
  • Bid price: 8.880
  • Ask price: 8.970
  • 30-day historical volatility: 29.44%
Calls Puts
Expiry date Bid price Ask price Last price Net change Open int. Vol. Strike Bid price Ask price Last price Net change Open int. Vol.
Open interest: 13,233
Volume: 69
Open interest: 3,131
Volume: 15
April 26, 2024 (Weekly) 1.59 1.74 1.74 0 0 0 7.25 0 0.03 0.03 0 0 0
April 26, 2024 (Weekly) 1.35 1.49 1.49 0 0 0 7.50 0 0.03 0.03 0 0 0
April 26, 2024 (Weekly) 1.11 1.22 1.22 0 0 0 7.75 0 0.03 0.03 0 0 0
April 26, 2024 (Weekly) 0.86 0.98 0.98 0 0 0 8.00 0 0.04 0.04 0 0 0
April 26, 2024 (Weekly) 0.61 0.74 0.74 0 0 0 8.25 0 0.04 0.04 0 2 0
April 26, 2024 (Weekly) 0.37 0.52 0.52 0 23 0 8.50 0 0.05 0.05 0 15 0
April 26, 2024 (Weekly) 0.18 0.30 0.30 0 0 0 8.75 0.03 0.08 0.08 0 30 0
April 26, 2024 (Weekly) 0.05 0.10 0.10 0 3 0 9.00 0.13 0.20 0.20 0 0 0
April 26, 2024 (Weekly) 0 0.04 0.04 0 0 0 9.25 0.33 0.39 0.39 0 0 0
April 26, 2024 (Weekly) 0 0.03 0.03 0 0 0 9.50 0.52 0.68 0.68 0 0 0
April 26, 2024 (Weekly) 0 0.04 0.04 0 0 0 9.75 0.77 0.93 0.93 0 0 0
April 26, 2024 (Weekly) 0 0.49 0.49 0 0 0 10.00 1.02 1.17 1.17 0 0 0
May 3, 2024 (Weekly) 1.62 1.87 1.87 0 0 0 7.25 0 0.04 0.04 0 0 0
May 3, 2024 (Weekly) 1.37 1.63 1.63 0 0 0 7.50 0 0.05 0.05 0 0 0
May 3, 2024 (Weekly) 1.13 1.39 1.39 0 0 0 7.75 0.01 0.05 0.05 0 0 0
May 3, 2024 (Weekly) 0.87 1.15 1.15 0 20 0 8.00 0 0.06 0.06 0 0 0
May 3, 2024 (Weekly) 0.64 0.91 0.91 0 0 0 8.25 0.03 0.07 0.07 0 22 0
May 3, 2024 (Weekly) 0.46 0.63 0.63 0 120 0 8.50 0.06 0.09 0.09 0 0 10
May 3, 2024 (Weekly) 0.29 0.33 0.33 0 1 0 8.75 0.12 0.16 0.16 0 0 0
May 3, 2024 (Weekly) 0.14 0.19 0.19 0.06 0 10 9.00 0.23 0.27 0.27 0 0 0
May 3, 2024 (Weekly) 0.06 0.10 0.10 0 21 0 9.25 0.39 0.44 0.44 0 0 0
May 3, 2024 (Weekly) 0.02 0.05 0.05 0 10 0 9.50 0.56 0.65 0.65 0 0 0
May 3, 2024 (Weekly) 0.01 0.04 0.04 0 0 0 9.75 0.78 0.96 0.96 0 0 0
May 3, 2024 (Weekly) 0 0.12 0.12 0 0 0 10.00 1.04 1.29 1.29 0 0 0
May 10, 2024 (Weekly) 1.62 1.84 1.84 0 0 0 7.25 0 0.05 0.05 0 0 0
May 10, 2024 (Weekly) 1.37 1.61 1.61 0 4 0 7.50 0.01 0.06 0.06 0 0 0
May 10, 2024 (Weekly) 1.13 1.37 1.37 0 0 0 7.75 0 0.07 0.07 0 0 0
May 10, 2024 (Weekly) 0.88 1.14 1.14 0 0 0 8.00 0.02 0.08 0.08 0 0 0
May 10, 2024 (Weekly) 0.64 0.91 0.91 0 0 0 8.25 0.04 0.11 0.11 0 0 0
May 10, 2024 (Weekly) 0.51 0.68 0.68 0 0 0 8.50 0.09 0.14 0.14 0 0 0
May 10, 2024 (Weekly) 0.33 0.40 0.40 0 0 0 8.75 0.14 0.22 0.22 0 0 0
May 10, 2024 (Weekly) 0.19 0.26 0.26 0.03 0 10 9.00 0.26 0.34 0.34 0 0 0
May 10, 2024 (Weekly) 0.11 0.17 0.17 0 0 0 9.25 0.41 0.49 0.49 0 0 0
May 10, 2024 (Weekly) 0.04 0.10 0.10 0 0 0 9.50 0.61 0.69 0.69 0 0 0
May 10, 2024 (Weekly) 0 0.09 0.09 0 30 0 9.75 0.71 0.99 0.99 0 0 0
May 10, 2024 (Weekly) 0 0.07 0.07 0 0 0 10.00 0.95 1.23 1.23 0 0 0
May 17, 2024 1.64 1.76 1.76 0 0 0 7.25 0 0.06 0.06 0 0 0
May 17, 2024 1.40 1.51 1.51 0 20 0 7.50 0 0.06 0.06 0 15 0
May 17, 2024 1.15 1.28 1.28 0 5 0 7.75 0.02 0.09 0.09 0 5 0
May 17, 2024 0.90 1.18 1.18 0 95 25 8.00 0.05 0.10 0.10 0 216 0
May 17, 2024 0.74 0.86 0.86 0 20 0 8.25 0.08 0.13 0.13 -0.04 99 5
May 17, 2024 0.55 0.64 0.64 0 15 0 8.50 0.12 0.19 0.19 0 140 0
May 17, 2024 0.38 0.47 0.47 0 50 0 8.75 0.19 0.27 0.27 0 160 0
May 17, 2024 0.25 0.34 0.34 0 6,488 0 9.00 0.30 0.39 0.39 0 84 0
May 17, 2024 0.15 0.23 0.23 0 34 0 9.25 0.46 0.54 0.54 0 5 0
May 17, 2024 0.09 0.15 0.15 0 44 0 9.50 0.64 0.72 0.72 0 0 0
May 17, 2024 0.04 0.10 0.10 0 38 0 9.75 0.77 0.93 0.93 0 0 0
May 17, 2024 0.02 0.07 0.07 0 64 0 10.00 1.02 1.16 1.16 0 20 0
May 17, 2024 0 0.06 0.06 0 20 0 10.50 1.50 1.65 1.65 0 0 0
May 17, 2024 0 0.04 0.04 0 23 0 11.00 1.96 2.16 2.16 0 0 0
May 17, 2024 0 0.04 0.04 0 0 0 11.50 2.46 2.66 2.66 0 0 0
May 17, 2024 0 0.04 0.04 0 10 0 12.00 2.94 3.15 3.15 0 0 0
May 17, 2024 0 0.04 0.04 0 19 0 12.50 3.40 3.65 3.65 0 0 0
May 17, 2024 0 0.04 0.04 0 2 0 13.00 3.90 4.15 4.15 0 0 0
May 17, 2024 0 0.04 0.04 0 0 0 13.50 4.40 4.65 4.65 0 0 0
June 21, 2024 1.69 1.79 1.79 0 0 0 7.25 0.03 0.09 0.09 0 0 0
June 21, 2024 1.47 1.56 1.56 0 0 0 7.50 0.07 0.12 0.12 0 0 0
June 21, 2024 1.20 1.34 1.34 0 0 0 7.75 0.10 0.14 0.14 0 5 0
June 21, 2024 1.04 1.13 1.13 0 200 0 8.00 0.13 0.18 0.18 0 132 0
June 21, 2024 0.84 0.97 0.97 0 0 0 8.25 0.18 0.24 0.24 0 3 0
June 21, 2024 0.67 0.73 0.73 0 0 0 8.50 0.25 0.30 0.30 0 101 0
June 21, 2024 0.51 0.58 0.58 0 0 0 8.75 0.34 0.41 0.41 0 50 0
June 21, 2024 0.38 0.45 0.45 0 643 0 9.00 0.46 0.53 0.53 0 125 0
June 21, 2024 0.27 0.34 0.34 0 302 0 9.25 0.61 0.67 0.67 0 10 0
June 21, 2024 0.19 0.25 0.25 0 149 0 9.50 0.78 0.84 0.84 0 0 0
June 21, 2024 0.14 0.19 0.19 0 0 0 9.75 0.97 1.04 1.04 0 50 0
June 21, 2024 0.09 0.14 0.14 0 81 0 10.00 1.11 1.24 1.24 0 105 0
June 21, 2024 0.04 0.08 0.08 0 21 0 10.50 1.56 1.70 1.70 0 95 0
June 21, 2024 0.01 0.05 0.05 0 95 0 11.00 2.07 2.18 2.18 0 46 0
June 21, 2024 0 0.06 0.06 0 276 0 11.50 2.55 2.66 2.66 0 0 0
June 21, 2024 0 0.05 0.05 0 363 0 12.00 3.00 3.15 3.15 0 10 0
June 21, 2024 0 0.05 0.05 0 0 0 12.50 3.45 3.65 3.65 0 0 0
June 21, 2024 0 0.04 0.04 0 15 0 13.00 3.95 4.15 4.15 0 0 0
June 21, 2024 0 0.04 0.04 0 0 0 14.00 4.90 5.15 5.15 0 0 0
June 21, 2024 0 0.04 0.04 0 3 0 15.00 5.90 6.15 6.15 0 0 0
June 21, 2024 0 0.04 0.04 0 10 0 16.00 6.90 7.15 7.15 0 0 0
June 21, 2024 0 0.04 0.04 0 0 0 18.00 8.90 9.15 9.15 0 0 0
July 19, 2024 1.73 1.98 1.98 0 0 0 7.25 0.08 0.13 0.13 0 5 0
July 19, 2024 1.45 1.75 1.75 0 0 0 7.50 0.10 0.16 0.16 0 0 0
July 19, 2024 1.31 1.52 1.52 0 0 0 7.75 0.13 0.19 0.19 0 5 0
July 19, 2024 1.11 1.23 1.23 0 0 0 8.00 0.18 0.23 0.23 0 0 0
July 19, 2024 0.92 1.01 1.01 0 0 0 8.25 0.23 0.29 0.29 0 0 0
July 19, 2024 0.75 0.83 0.83 0 0 0 8.50 0.31 0.37 0.37 0 0 0
July 19, 2024 0.60 0.68 0.68 0 3 0 8.75 0.40 0.47 0.47 0 0 0
July 19, 2024 0.47 0.55 0.55 0 50 0 9.00 0.52 0.60 0.60 0 17 0
July 19, 2024 0.36 0.44 0.44 0 0 0 9.25 0.66 0.72 0.72 0 15 0
July 19, 2024 0.27 0.35 0.35 0 23 0 9.50 0.82 0.89 0.89 0 38 0
July 19, 2024 0.20 0.28 0.28 0 0 0 9.75 1.01 1.08 1.08 0 0 0
July 19, 2024 0.14 0.21 0.21 0 698 0 10.00 1.20 1.29 1.29 0 0 0
July 19, 2024 0.08 0.14 0.14 0 5 0 10.50 1.56 1.73 1.73 0 10 0
July 19, 2024 0.04 0.10 0.10 0 27 0 11.00 2.08 2.19 2.19 0 0 0
July 19, 2024 0.02 0.06 0.06 0 50 0 11.50 2.56 2.68 2.68 0 0 0
July 19, 2024 0 0.07 0.07 0 50 0 12.00 3.00 3.15 3.15 0 0 0
July 19, 2024 0 0.06 0.06 0 0 0 12.50 3.45 3.65 3.65 0 0 0
August 16, 2024 1.79 2.03 2.03 0 0 0 7.25 0.10 0.17 0.17 0 5 0
August 16, 2024 1.58 1.82 1.82 0 0 0 7.50 0.14 0.20 0.20 0 15 0
August 16, 2024 1.37 1.61 1.61 0 0 0 7.75 0.17 0.24 0.24 0 0 0
August 16, 2024 1.19 1.29 1.29 0 0 0 8.00 0.22 0.30 0.30 0 0 0
August 16, 2024 1.00 1.11 1.11 0 0 0 8.25 0.29 0.37 0.37 0 4 0
August 16, 2024 0.85 0.94 0.94 0 15 0 8.50 0.37 0.45 0.45 0 0 0
August 16, 2024 0.70 0.79 0.79 0 0 0 8.75 0.48 0.55 0.55 0 50 0
August 16, 2024 0.57 0.66 0.66 0 0 0 9.00 0.59 0.67 0.67 0 0 0
August 16, 2024 0.46 0.55 0.55 0 0 0 9.25 0.72 0.81 0.81 0 0 0
August 16, 2024 0.36 0.45 0.45 0 30 0 9.50 0.89 0.97 0.97 0 0 0
August 16, 2024 0.29 0.37 0.37 0 0 0 9.75 1.06 1.15 1.15 0 10 0
August 16, 2024 0.21 0.30 0.30 0 0 0 10.00 1.24 1.33 1.33 0 0 0
August 16, 2024 0.13 0.20 0.20 0 5 0 10.50 1.61 1.75 1.75 0 0 0
August 16, 2024 0.08 0.14 0.14 0 0 0 11.00 1.98 2.21 2.21 0 0 0
August 16, 2024 0.05 0.11 0.11 0 5 0 11.50 2.43 2.68 2.68 0 0 0
August 16, 2024 0.03 0.08 0.08 0 0 0 12.00 2.92 3.20 3.20 0 0 0
September 20, 2024 2.04 2.29 2.29 0 0 0 7.00 0.11 0.19 0.19 0 10 0
September 20, 2024 1.83 2.08 2.08 0 0 0 7.25 0.14 0.22 0.22 0 0 0
September 20, 2024 1.62 1.86 1.86 0 0 0 7.50 0.18 0.26 0.26 0 0 0
September 20, 2024 1.43 1.55 1.55 0 0 0 7.75 0.23 0.31 0.31 0 0 0
September 20, 2024 1.25 1.37 1.37 0 110 0 8.00 0.29 0.37 0.37 0 0 0
September 20, 2024 1.08 1.19 1.19 0 0 0 8.25 0.36 0.45 0.45 0 0 0
September 20, 2024 0.93 1.02 1.02 0 0 0 8.50 0.44 0.54 0.54 0 250 0
September 20, 2024 0.78 0.88 0.88 0 0 0 8.75 0.56 0.65 0.65 0 0 0
September 20, 2024 0.65 0.75 0.75 0 0 0 9.00 0.66 0.77 0.77 0 25 0
September 20, 2024 0.54 0.64 0.64 0 0 0 9.25 0.81 0.90 0.90 0 0 0
September 20, 2024 0.45 0.54 0.54 0 40 0 9.50 0.95 1.05 1.05 0 38 0
September 20, 2024 0.36 0.46 0.46 0 0 0 9.75 1.13 1.22 1.22 0 0 0
September 20, 2024 0.30 0.39 0.39 0 80 0 10.00 1.31 1.42 1.42 0 29 0
September 20, 2024 0.12 0.19 0.19 0 61 0 11.00 2.13 2.25 2.25 0 39 0
September 20, 2024 0.05 0.08 0.08 0 31 0 12.00 2.92 3.20 3.20 0 10 0
September 20, 2024 0.02 0.09 0.09 0 140 0 13.00 3.90 4.20 4.20 0 0 0
September 20, 2024 0 0.06 0.06 0 10 0 14.00 4.90 5.15 5.15 0 0 0
September 20, 2024 0 0.05 0.05 0 28 0 15.00 5.90 6.15 6.15 0 0 0
September 20, 2024 0 0.05 0.05 0 0 0 16.00 6.90 7.15 7.15 0 0 0
October 18, 2024 1.66 1.91 1.91 0 0 0 7.50 0.21 0.30 0.30 0 0 0
October 18, 2024 1.47 1.72 1.72 0 0 0 7.75 0.26 0.35 0.35 0 0 0
October 18, 2024 1.29 1.42 1.42 0 0 0 8.00 0.32 0.42 0.42 0 0 0
October 18, 2024 1.12 1.27 1.27 0 0 0 8.25 0.40 0.50 0.50 0 0 0
October 18, 2024 0.98 1.10 1.10 0 0 0 8.50 0.49 0.60 0.60 0 0 0
October 18, 2024 0.84 0.96 0.96 0 0 0 8.75 0.60 0.70 0.70 0 0 0
October 18, 2024 0.71 0.83 0.83 0 0 0 9.00 0.71 0.82 0.82 0 0 0
October 18, 2024 0.59 0.72 0.72 0 0 0 9.25 0.84 0.96 0.96 0 0 0
October 18, 2024 0.51 0.62 0.62 0 0 0 9.50 1.00 1.11 1.11 0 0 0
October 18, 2024 0.42 0.54 0.54 0 0 0 9.75 1.17 1.28 1.28 0 0 0
October 18, 2024 0.35 0.47 0.47 0 0 0 10.00 1.34 1.47 1.47 0 0 0
December 20, 2024 2.14 2.39 2.39 0 10 0 7.00 0.19 0.28 0.28 0 0 0
December 20, 2024 1.75 2.01 2.01 0 0 0 7.50 0.28 0.38 0.38 0 0 0
December 20, 2024 1.39 1.53 1.53 0 105 0 8.00 0.41 0.53 0.53 0 22 0
December 20, 2024 1.09 1.23 1.23 0 0 0 8.50 0.57 0.71 0.71 0 180 0
December 20, 2024 0.84 0.97 0.97 0 112 0 9.00 0.81 0.94 0.94 0 50 0
December 20, 2024 0.61 0.75 0.75 0 20 0 9.50 1.09 1.21 1.21 0 0 0
December 20, 2024 0.44 0.58 0.58 0 30 0 10.00 1.38 1.54 1.54 0 15 0
December 20, 2024 0.25 0.35 0.35 0 57 0 11.00 2.12 2.32 2.32 0 40 0
December 20, 2024 0.12 0.21 0.21 0 80 0 12.00 2.94 3.25 3.25 0 0 0
December 20, 2024 0.05 0.12 0.12 0 41 0 13.00 3.95 4.20 4.20 0 0 0
December 20, 2024 0.02 0.10 0.10 0 20 0 14.00 4.90 5.20 5.20 0 0 0
January 17, 2025 3.00 3.25 3.25 0 0 0 6.00 0.05 0.19 0.19 0 0 0
January 17, 2025 2.15 2.44 2.44 0 20 10 7.00 0.19 0.30 0.30 0 0 0
January 17, 2025 1.39 1.58 1.58 0 430 0 8.00 0.45 0.55 0.55 0 42 0
January 17, 2025 0.88 1.04 1.04 0 10 0 9.00 0.84 0.97 0.97 0 150 0
January 17, 2025 0.49 0.66 0.66 0 201 0 10.00 1.43 1.57 1.57 0 25 0
January 17, 2025 0.14 0.26 0.26 0 179 7 12.00 2.94 3.25 3.25 0 38 0
January 17, 2025 0.02 0.18 0.18 0 140 0 14.00 4.90 5.20 5.20 0 0 0
January 17, 2025 0.02 0.16 0.16 0 82 0 15.00 5.90 6.20 6.20 0 10 0
January 17, 2025 0 0.10 0.10 0 3 0 16.00 6.90 7.20 7.20 0 0 0
January 17, 2025 0 0.09 0.09 0 0 0 18.00 8.90 9.20 9.20 0 58 0
January 17, 2025 0 0.07 0.07 0 0 0 20.00 10.90 11.20 11.20 0 0 0
March 21, 2025 2.21 2.43 2.43 0 0 0 7.00 0.23 0.39 0.39 0 10 0
March 21, 2025 1.85 2.08 2.08 0 0 0 7.50 0.35 0.50 0.50 0 50 0
March 21, 2025 1.52 1.77 1.77 0 0 0 8.00 0.50 0.65 0.65 0 21 0
March 21, 2025 1.25 1.43 1.43 0 0 0 8.50 0.69 0.85 0.85 0 0 0
March 21, 2025 0.98 1.18 1.18 0 11 0 9.00 0.85 1.09 1.09 0 21 0
March 21, 2025 0.74 0.98 0.98 -0.14 0 7 9.50 1.13 1.36 1.36 0 0 0
March 21, 2025 0.59 0.79 0.79 0 50 0 10.00 1.45 1.67 1.67 0 20 0
March 21, 2025 0.17 0.34 0.34 0 0 0 12.00 3.05 3.30 3.30 0 0 0
January 16, 2026 3.15 3.40 3.40 0 0 0 6.00 0.20 0.42 0.42 0 0 0
January 16, 2026 2.45 2.68 2.68 0 70 0 7.00 0.42 0.65 0.65 0 59 0
January 16, 2026 1.85 2.19 2.19 0 44 0 8.00 0.74 0.99 0.99 0 41 0
January 16, 2026 1.37 1.68 1.68 0 18 0 9.00 1.17 1.42 1.42 0 90 0
January 16, 2026 0.98 1.25 1.25 0 40 0 10.00 1.73 2.00 2.00 0 49 0
January 16, 2026 0.45 0.60 0.60 0 347 0 12.00 3.10 3.45 3.45 0 20 0
January 16, 2026 0.19 0.43 0.43 0 307 0 14.00 4.95 5.25 5.25 0 0 0
January 16, 2026 0.06 0.28 0.28 0 3 0 16.00 6.95 7.25 7.25 0 0 0
January 16, 2026 0.01 0.21 0.21 0 5 0 18.00 8.95 9.25 9.25 0 0 0

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