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TA – TransAlta Corporation

Last update: April 1, 2023 at 1:20 p.m.   (Real-time)

  • Last price: 11.820
  • Net change: 0.350
  • Bid price: 11.800
  • Ask price: 11.910
  • 30-day historical volatility: 24.76%
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: 18,028
Volume: 223
Open interest: 2,936
Volume: 0
April 6, 2023 (Weekly) 2.50 2.64 2.64 0 0 0 9.25 0 0.03 0.03 0 0 0
April 6, 2023 (Weekly) 2.24 2.39 2.39 0 0 0 9.50 0 0.03 0.03 0 0 0
April 6, 2023 (Weekly) 1.99 2.14 2.14 0 0 0 9.75 0 0.04 0.04 0 0 0
April 6, 2023 (Weekly) 1.74 1.89 1.89 0 0 0 10.00 0 0.04 0.04 0 0 0
April 6, 2023 (Weekly) 1.26 1.42 1.42 0 0 0 10.50 0 0.03 0.03 0 0 0
April 6, 2023 (Weekly) 0.77 0.91 0.91 0 0 0 11.00 0 0.03 0.03 0 10 0
April 6, 2023 (Weekly) 0.30 0.47 0.47 0 30 0 11.50 0.02 0.06 0.06 0 0 0
April 6, 2023 (Weekly) 0.05 0.09 0.09 0 0 5 12.00 0.20 0.26 0.26 0 0 0
April 6, 2023 (Weekly) 0 0.03 0.03 0 0 0 12.50 0.63 0.78 0.78 0 0 0
April 6, 2023 (Weekly) 0 0.05 0.05 0 0 0 13.00 1.11 1.27 1.27 0 0 0
April 6, 2023 (Weekly) 0 0.04 0.04 0 0 0 13.50 1.60 1.77 1.77 0 0 0
April 14, 2023 (Weekly) 2.50 2.65 2.65 0 0 0 9.25 0 0.04 0.04 0 0 0
April 14, 2023 (Weekly) 2.25 2.40 2.40 0 0 0 9.50 0 0.04 0.04 0 0 0
April 14, 2023 (Weekly) 2.01 2.18 2.18 0 0 0 9.75 0 0.04 0.04 0 0 0
April 14, 2023 (Weekly) 1.77 1.92 1.92 0 0 0 10.00 0 0.03 0.03 0 0 0
April 14, 2023 (Weekly) 1.28 1.43 1.43 0 0 0 10.50 0 0.04 0.04 0 0 0
April 14, 2023 (Weekly) 0.79 0.94 0.94 0 0 0 11.00 0.01 0.05 0.05 0 0 0
April 14, 2023 (Weekly) 0.39 0.47 0.47 0 0 0 11.50 0.07 0.11 0.11 0 0 0
April 14, 2023 (Weekly) 0.11 0.16 0.16 0 0 0 12.00 0.25 0.31 0.31 0 0 0
April 14, 2023 (Weekly) 0.01 0.05 0.05 0 0 0 12.50 0.65 0.72 0.72 0 0 0
April 14, 2023 (Weekly) 0 0.05 0.05 0 0 0 13.00 1.11 1.27 1.27 0 0 0
April 14, 2023 (Weekly) 0 0.04 0.04 0 0 0 13.50 1.60 1.77 1.77 0 0 0
April 28, 2023 (Weekly) 2.05 2.20 2.20 0 0 0 9.75 0 0.05 0.05 0 0 0
April 28, 2023 (Weekly) 1.80 1.95 1.95 0 0 0 10.00 0 0.05 0.05 0 0 0
April 28, 2023 (Weekly) 1.31 1.46 1.46 0 0 0 10.50 0.01 0.07 0.07 0 0 0
April 28, 2023 (Weekly) 0.85 1.01 1.01 0 0 0 11.00 0.05 0.10 0.10 0 0 0
April 28, 2023 (Weekly) 0.50 0.56 0.56 0 0 0 11.50 0.14 0.19 0.19 0 0 0
April 28, 2023 (Weekly) 0.21 0.25 0.25 0 50 0 12.00 0.34 0.39 0.39 0 0 0
April 28, 2023 (Weekly) 0.07 0.10 0.10 -0.03 0 30 12.50 0.70 0.75 0.75 0 0 0
April 28, 2023 (Weekly) 0.01 0.05 0.05 0 0 0 13.00 1.11 1.27 1.27 0 0 0
April 28, 2023 (Weekly) 0 0.05 0.05 0 0 0 13.50 1.60 1.77 1.77 0 0 0
April 21, 2023 3.30 3.40 3.40 0 0 0 8.50 0 0.03 0.03 0 0 0
April 21, 2023 3.00 3.15 3.15 0 0 0 8.75 0 0.03 0.03 0 0 0
April 21, 2023 2.77 2.92 2.92 0 0 0 9.00 0 0.03 0.03 0 0 0
April 21, 2023 2.52 2.67 2.67 0 0 0 9.25 0 0.03 0.03 0 0 0
April 21, 2023 2.28 2.42 2.42 0 0 0 9.50 0 0.03 0.03 0 0 0
April 21, 2023 2.03 2.17 2.17 0 10 0 9.75 0 0.03 0.03 0 50 0
April 21, 2023 1.78 1.92 1.92 0 20 0 10.00 0 0.04 0.04 0 0 0
April 21, 2023 1.29 1.43 1.43 0 15 0 10.50 0 0.05 0.05 0 549 0
April 21, 2023 0.83 0.97 0.97 0 11 0 11.00 0.03 0.07 0.07 0 91 0
April 21, 2023 0.45 0.52 0.52 0 2 0 11.50 0.10 0.15 0.15 0 70 0
April 21, 2023 0.15 0.21 0.21 0.01 3,157 10 12.00 0.30 0.35 0.35 0 40 0
April 21, 2023 0.04 0.07 0.07 0 132 0 12.50 0.68 0.73 0.73 0 0 0
April 21, 2023 0 0.04 0.04 0 4,220 0 13.00 1.11 1.26 1.26 0 0 0
April 21, 2023 0 0.04 0.04 0 2,600 0 13.50 1.61 1.75 1.75 0 0 0
April 21, 2023 0 0.04 0.04 0 0 0 14.00 2.11 2.25 2.25 0 0 0
April 21, 2023 0 0.04 0.04 0 8 0 14.50 2.61 2.75 2.75 0 0 0
April 21, 2023 0 0.04 0.04 0 0 0 15.00 3.10 3.25 3.25 0 0 0
April 21, 2023 0 0.04 0.04 0 0 0 15.50 3.60 3.75 3.75 0 0 0
April 21, 2023 0 0.04 0.04 0 0 0 16.00 4.10 4.25 4.25 0 0 0
May 19, 2023 3.30 3.50 3.50 0 0 0 8.50 0 0.05 0.05 0 0 0
May 19, 2023 3.05 3.25 3.25 0 0 0 8.75 0 0.06 0.06 0 0 0
May 19, 2023 2.81 2.97 2.97 0 0 0 9.00 0 0.06 0.06 0 0 0
May 19, 2023 2.59 2.73 2.73 0 0 0 9.25 0 0.07 0.07 0 188 0
May 19, 2023 2.32 2.48 2.48 0 0 0 9.50 0 0.07 0.07 0 75 0
May 19, 2023 2.10 2.24 2.24 0 0 0 9.75 0.02 0.08 0.08 0 0 0
May 19, 2023 1.87 2.00 2.00 0 0 0 10.00 0.03 0.09 0.09 0 15 0
May 19, 2023 1.40 1.54 1.54 0 0 0 10.50 0.06 0.09 0.09 0 0 0
May 19, 2023 0.99 1.07 1.07 0 12 0 11.00 0.12 0.15 0.15 0 30 0
May 19, 2023 0.62 0.68 0.68 0 0 0 11.50 0.23 0.27 0.27 0 43 0
May 19, 2023 0.33 0.38 0.38 0.03 3,600 125 12.00 0.43 0.48 0.48 0 20 0
May 19, 2023 0.15 0.20 0.20 0 0 0 12.50 0.76 0.81 0.81 0 0 0
May 19, 2023 0.07 0.11 0.11 0 250 0 13.00 1.17 1.24 1.24 0 0 0
May 19, 2023 0.02 0.07 0.07 0 48 0 13.50 1.61 1.77 1.77 0 0 0
May 19, 2023 0 0.07 0.07 0 0 0 14.00 2.10 2.27 2.27 0 0 0
May 19, 2023 0 0.05 0.05 0 0 0 14.50 2.60 2.77 2.77 0 0 0
May 19, 2023 0 0.05 0.05 0 0 0 15.00 3.10 3.30 3.30 0 0 0
May 19, 2023 0 0.04 0.04 0 0 0 15.50 3.60 3.80 3.80 0 0 0
May 19, 2023 0 0.04 0.04 0 0 0 16.00 4.10 4.30 4.30 0 0 0
June 16, 2023 3.30 3.45 3.45 0 0 0 8.50 0 0.05 0.05 0 0 0
June 16, 2023 3.05 3.25 3.25 0 0 0 8.75 0 0.06 0.06 0 0 0
June 16, 2023 2.84 2.99 2.99 0 0 0 9.00 0.02 0.07 0.07 0 0 0
June 16, 2023 2.60 2.76 2.76 0 0 0 9.25 0.02 0.08 0.08 0 0 0
June 16, 2023 2.35 2.53 2.53 0 0 0 9.50 0.03 0.09 0.09 0 111 0
June 16, 2023 2.13 2.27 2.27 0 0 0 9.75 0.05 0.10 0.10 0 0 0
June 16, 2023 1.88 2.05 2.05 0 0 0 10.00 0.06 0.10 0.10 0 0 0
June 16, 2023 1.44 1.57 1.57 0 10 0 10.50 0.11 0.14 0.14 0 0 0
June 16, 2023 1.05 1.13 1.13 0 0 0 11.00 0.18 0.23 0.23 0 0 0
June 16, 2023 0.70 0.76 0.76 0 9 0 11.50 0.32 0.37 0.37 0 0 0
June 16, 2023 0.42 0.48 0.48 0 1 0 12.00 0.54 0.60 0.60 0 20 0
June 16, 2023 0.23 0.29 0.29 0.02 27 7 12.50 0.85 0.91 0.91 0 0 0
June 16, 2023 0.13 0.17 0.17 0 253 16 13.00 1.24 1.30 1.30 0 5 0
June 16, 2023 0.07 0.11 0.11 0.01 340 30 13.50 1.67 1.75 1.75 0 0 0
June 16, 2023 0.03 0.07 0.07 0 72 0 14.00 2.14 2.28 2.28 0 0 0
June 16, 2023 0 0.07 0.07 0 0 0 14.50 2.62 2.76 2.76 0 0 0
June 16, 2023 0 0.07 0.07 0 23 0 15.00 3.10 3.25 3.25 0 0 0
June 16, 2023 0 0.05 0.05 0 0 0 15.50 3.60 3.80 3.80 0 0 0
June 16, 2023 0 0.05 0.05 0 10 0 16.00 4.10 4.30 4.30 0 15 0
June 16, 2023 0 0.04 0.04 0 0 0 17.00 5.10 5.30 5.30 0 0 0
June 16, 2023 0 0.04 0.04 0 0 0 18.00 6.10 6.30 6.30 0 10 0
July 21, 2023 3.35 3.50 3.50 0 0 0 8.50 0.01 0.07 0.07 0 0 0
July 21, 2023 3.10 3.30 3.30 0 0 0 8.75 0.02 0.08 0.08 0 0 0
July 21, 2023 2.85 3.05 3.05 0 0 0 9.00 0.02 0.09 0.09 0 0 0
July 21, 2023 2.61 2.80 2.80 0 0 0 9.25 0.03 0.10 0.10 0 0 0
July 21, 2023 2.35 2.56 2.56 0 0 0 9.50 0.04 0.10 0.10 0 0 0
July 21, 2023 2.15 2.33 2.33 0 0 0 9.75 0.07 0.11 0.11 0 0 0
July 21, 2023 1.89 2.08 2.08 0 0 0 10.00 0.09 0.14 0.14 0 13 0
July 21, 2023 1.53 1.65 1.65 0 0 0 10.50 0.14 0.20 0.20 0 99 0
July 21, 2023 1.15 1.23 1.23 0 0 0 11.00 0.24 0.30 0.30 0 0 0
July 21, 2023 0.81 0.88 0.88 0 0 0 11.50 0.39 0.45 0.45 0 15 0
July 21, 2023 0.53 0.60 0.60 0 5 0 12.00 0.61 0.68 0.68 0 0 0
July 21, 2023 0.33 0.39 0.39 0 17 0 12.50 0.90 0.98 0.98 0 0 0
July 21, 2023 0.20 0.26 0.26 0 0 0 13.00 1.27 1.35 1.35 0 0 0
July 21, 2023 0.12 0.17 0.17 0 15 0 13.50 1.68 1.80 1.80 0 0 0
July 21, 2023 0.08 0.11 0.11 0 23 0 14.00 2.10 2.30 2.30 0 0 0
July 21, 2023 0.04 0.09 0.09 0 0 0 14.50 2.61 2.80 2.80 0 0 0
July 21, 2023 0 0.08 0.08 0 32 0 15.00 3.10 3.25 3.25 0 0 0
July 21, 2023 0 0.07 0.07 0 48 0 15.50 3.60 3.75 3.75 0 0 0
August 18, 2023 3.40 3.60 3.60 0 0 0 8.50 0.02 0.09 0.09 0 0 0
August 18, 2023 3.15 3.35 3.35 0 0 0 8.75 0.03 0.10 0.10 0 0 0
August 18, 2023 2.88 3.10 3.10 0 0 0 9.00 0.03 0.10 0.10 0 0 0
August 18, 2023 2.64 2.82 2.82 0 0 0 9.25 0.05 0.12 0.12 0 0 0
August 18, 2023 2.42 2.59 2.59 0 0 0 9.50 0.07 0.14 0.14 0 0 0
August 18, 2023 2.22 2.36 2.36 0 0 0 9.75 0.09 0.14 0.14 0 0 0
August 18, 2023 1.98 2.14 2.14 0 0 0 10.00 0.11 0.17 0.17 0 16 0
August 18, 2023 1.59 1.72 1.72 0 0 0 10.50 0.17 0.23 0.23 0 0 0
August 18, 2023 1.23 1.32 1.32 0 0 0 11.00 0.30 0.35 0.35 0 0 0
August 18, 2023 0.90 0.98 0.98 0 0 0 11.50 0.45 0.51 0.51 0 0 0
August 18, 2023 0.62 0.70 0.70 0 0 0 12.00 0.66 0.73 0.73 0 80 0
August 18, 2023 0.40 0.48 0.48 0 0 0 12.50 0.95 1.03 1.03 0 0 0
August 18, 2023 0.26 0.33 0.33 0 0 0 13.00 1.31 1.39 1.39 0 0 0
August 18, 2023 0.17 0.23 0.23 0 0 0 13.50 1.72 1.80 1.80 0 0 0
August 18, 2023 0.11 0.16 0.16 0 0 0 14.00 2.11 2.30 2.30 0 0 0
August 18, 2023 0.07 0.12 0.12 0 0 0 14.50 2.63 2.78 2.78 0 0 0
August 18, 2023 0.05 0.09 0.09 0 0 0 15.00 3.05 3.25 3.25 0 0 0
September 15, 2023 3.35 3.60 3.60 0 0 0 8.50 0.02 0.10 0.10 0 0 0
September 15, 2023 3.10 3.35 3.35 0 0 0 8.75 0.05 0.11 0.11 0 0 0
September 15, 2023 2.91 3.10 3.10 0 0 0 9.00 0.05 0.13 0.13 0 0 0
September 15, 2023 2.68 2.87 2.87 0 0 0 9.25 0.06 0.14 0.14 0 0 0
September 15, 2023 2.45 2.64 2.64 0 0 0 9.50 0.09 0.15 0.15 0 5 0
September 15, 2023 2.23 2.42 2.42 0 0 0 9.75 0.11 0.17 0.17 0 5 0
September 15, 2023 2.02 2.21 2.21 0 150 0 10.00 0.13 0.20 0.20 0 5 0
September 15, 2023 1.61 1.77 1.77 0 0 0 10.50 0.21 0.28 0.28 0 0 0
September 15, 2023 1.26 1.37 1.37 0 1 0 11.00 0.34 0.40 0.40 0 26 0
September 15, 2023 0.94 1.03 1.03 0 0 0 11.50 0.48 0.56 0.56 0 5 0
September 15, 2023 0.65 0.74 0.74 0 0 0 12.00 0.72 0.79 0.79 0 10 0
September 15, 2023 0.45 0.53 0.53 0 0 0 12.50 0.99 1.08 1.08 0 0 0
September 15, 2023 0.30 0.38 0.38 0 0 0 13.00 1.34 1.44 1.44 0 0 0
September 15, 2023 0.20 0.28 0.28 0 0 0 13.50 1.74 1.85 1.85 0 0 0
September 15, 2023 0.13 0.19 0.19 0 20 0 14.00 2.15 2.30 2.30 0 0 0
September 15, 2023 0.06 0.11 0.11 0 200 0 15.00 3.05 3.30 3.30 0 0 0
September 15, 2023 0.02 0.09 0.09 0 0 0 16.00 4.05 4.30 4.30 0 0 0
December 15, 2023 2.97 3.20 3.20 0 0 0 9.00 0.09 0.16 0.16 0 0 0
December 15, 2023 2.53 2.72 2.72 0 0 0 9.50 0.14 0.21 0.21 0 0 0
December 15, 2023 2.13 2.30 2.30 0 0 0 10.00 0.20 0.28 0.28 0 60 0
December 15, 2023 1.41 1.55 1.55 0 40 0 11.00 0.43 0.53 0.53 0 10 0
December 15, 2023 0.85 0.96 0.96 0 90 0 12.00 0.82 0.93 0.93 0 0 0
December 15, 2023 0.44 0.53 0.53 0 28 0 13.00 1.42 1.54 1.54 0 0 0
December 15, 2023 0.24 0.32 0.32 0 52 0 14.00 2.23 2.34 2.34 0 0 0
December 15, 2023 0.13 0.18 0.18 0 10 0 15.00 3.05 3.25 3.25 0 0 0
December 15, 2023 0.07 0.12 0.12 0 182 0 16.00 4.05 4.30 4.30 0 0 0
January 19, 2024 3.90 4.15 4.15 0 114 0 8.00 0.02 0.12 0.12 0 7 0
January 19, 2024 3.00 3.25 3.25 0 220 0 9.00 0.10 0.19 0.19 0 19 0
January 19, 2024 2.18 2.37 2.37 0 164 0 10.00 0.22 0.32 0.32 0 4 0
January 19, 2024 1.47 1.63 1.63 0 214 0 11.00 0.47 0.57 0.57 0 0 0
January 19, 2024 0.91 1.02 1.02 0 57 0 12.00 0.87 0.98 0.98 0 930 0
January 19, 2024 0.50 0.60 0.60 0 6 0 13.00 1.44 1.58 1.58 0 115 0
January 19, 2024 0.27 0.36 0.36 0 914 0 14.00 2.22 2.38 2.38 0 0 0
January 19, 2024 0.14 0.21 0.21 0 220 0 15.00 3.05 3.30 3.30 0 0 0
January 19, 2024 0.06 0.13 0.13 0 30 0 16.00 4.05 4.30 4.30 0 0 0
January 19, 2024 0 0.10 0.10 0 34 0 18.00 6.05 6.30 6.30 0 0 0
January 19, 2024 0 0.07 0.07 0 28 0 20.00 8.05 8.30 8.30 0 0 0
March 15, 2024 2.99 3.25 3.25 0 0 0 9.00 0.11 0.21 0.21 0 0 0
March 15, 2024 2.58 2.82 2.82 0 0 0 9.50 0.17 0.27 0.27 0 0 0
March 15, 2024 2.26 2.43 2.43 0 0 0 10.00 0.26 0.37 0.37 0 125 0
March 15, 2024 1.50 1.71 1.71 0 1 0 11.00 0.50 0.64 0.64 0 0 0
March 15, 2024 0.96 1.13 1.13 0 0 0 12.00 0.89 1.00 1.00 0 0 0
March 15, 2024 0.58 0.69 0.69 0 0 0 13.00 1.49 1.65 1.65 0 0 0
March 15, 2024 0.32 0.43 0.43 0 0 0 14.00 2.24 2.42 2.42 0 0 0
January 17, 2025 4.05 4.40 4.40 0 0 0 8.00 0.11 0.24 0.24 0 0 0
January 17, 2025 3.30 3.60 3.60 0 0 0 9.00 0.19 0.38 0.38 0 0 0
January 17, 2025 2.50 2.81 2.81 0 12 0 10.00 0.35 0.61 0.61 0 15 0
January 17, 2025 1.37 1.59 1.59 0 61 0 12.00 1.08 1.35 1.35 0 30 0
January 17, 2025 0.62 0.81 0.81 0 114 0 14.00 2.29 2.58 2.58 0 0 0
January 17, 2025 0.29 0.61 0.61 0 16 0 15.00 3.05 3.40 3.40 0 0 0
January 17, 2025 0.20 0.42 0.42 0 0 0 16.00 4.05 4.35 4.35 0 0 0
January 17, 2025 0.05 0.25 0.25 0 0 0 18.00 6.00 6.35 6.35 0 0 0
January 17, 2025 0.02 0.18 0.18 0 0 0 20.00 8.00 8.35 8.35 0 0 0

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