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Implied Volatility Calculation

TA – TransAlta Corporation  (127.94 USD/CAD)

Last update: November 27, 2021 at 6:54 a.m.   (Real-time)

  • Last price: 13.270
  • Net change: 0.080
  • Bid price: 13.130
  • Ask price: 13.360
  • 30-day historical volatility: 24.37%
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: 27,860
Volume: 197
Open interest: 5,269
Volume: 51
December 3, 2021 (Weekly) 2.23 2.38 0 0 0 0 11.00 0 0.05 0 0 0 0
December 3, 2021 (Weekly) 1.73 1.88 2.11 0 0 0 11.50 0 0.06 0.05 0 0 0
December 3, 2021 (Weekly) 1.23 1.38 1.61 0 0 0 12.00 0 0.06 0.05 0 0 0
December 3, 2021 (Weekly) 0.75 0.88 1.11 0 0 0 12.50 0 0.04 0.05 0 0 0
December 3, 2021 (Weekly) 0.30 0.37 0.62 0 0 0 13.00 0.06 0.11 0.09 0 0 0
December 3, 2021 (Weekly) 0.05 0.10 0.26 0 1 0 13.50 0.30 0.36 0.25 0 0 0
December 3, 2021 (Weekly) 0 0.07 0.08 0 5 0 14.00 0.71 0.91 0.59 0 0 0
December 3, 2021 (Weekly) 0 0.06 0.04 0 2,002 0 14.50 1.20 1.39 1.08 0 0 0
December 3, 2021 (Weekly) 0 0.06 0.05 0 10 0 15.00 1.70 1.89 1.56 0 0 0
December 3, 2021 (Weekly) 0 0.06 0.05 0 0 0 15.50 2.20 2.39 2.06 0 0 0
December 3, 2021 (Weekly) 0 0.06 0.05 0 0 0 16.00 2.70 2.89 2.55 0 0 0
December 3, 2021 (Weekly) 0 0.05 0.04 0 0 0 16.50 3.20 3.40 3.10 0 0 0
December 10, 2021 (Weekly) 2.23 2.38 0 0 0 0 11.00 0 0.06 0 0 0 0
December 10, 2021 (Weekly) 1.73 1.88 2.09 0 0 0 11.50 0 0.06 0.05 0 0 0
December 10, 2021 (Weekly) 1.23 1.38 1.60 0 0 0 12.00 0 0.07 0.07 0 0 0
December 10, 2021 (Weekly) 0.66 0.88 1.12 0 0 0 12.50 0.02 0.07 0.07 0 0 0
December 10, 2021 (Weekly) 0.36 0.42 0.65 0 0 0 13.00 0.11 0.17 0.13 0 0 0
December 10, 2021 (Weekly) 0.10 0.16 0.31 0 5 0 13.50 0.35 0.41 0.31 0 0 0
December 10, 2021 (Weekly) 0.01 0.06 0.12 0 0 0 14.00 0.73 0.93 0.63 0 0 0
December 10, 2021 (Weekly) 0 0.07 0.06 0 0 0 14.50 1.22 1.40 1.09 0 0 0
December 10, 2021 (Weekly) 0 0.06 0.06 0 0 0 15.00 1.70 1.89 1.57 0 0 0
December 10, 2021 (Weekly) 0 0.06 0.05 0 0 0 15.50 2.20 2.39 2.06 0 0 0
December 10, 2021 (Weekly) 0 0.06 0.05 0 0 0 16.00 2.70 2.89 2.56 0 0 0
December 24, 2021 (Weekly) 0 4.70 0 0 0 0 11.00 0 0.26 0 0 0 0
December 24, 2021 (Weekly) 0 4.20 0 0 0 0 11.50 0 0.25 0 0 0 0
December 24, 2021 (Weekly) 1.11 1.45 0 0 0 0 12.00 0 0.24 0 0 0 0
December 24, 2021 (Weekly) 0.66 0.98 0 0 0 0 12.50 0 0.26 0 0 0 0
December 24, 2021 (Weekly) 0 2.97 0 0 0 0 13.00 0.11 2.80 0 0 0 0
December 24, 2021 (Weekly) 0 0.35 0 0 0 0 13.50 0.33 0.71 0 0 0 0
December 24, 2021 (Weekly) 0 0.24 0 0 0 0 14.00 0.73 1.14 0 0 0 0
December 24, 2021 (Weekly) 0 0.24 0 0 0 0 14.50 0 3.95 0 0 0 0
December 24, 2021 (Weekly) 0 0.25 0 0 0 0 15.00 0 4.45 0 0 0 0
December 24, 2021 (Weekly) 0 2.53 0 0 0 0 15.50 0 4.95 0 0 0 0
December 17, 2021 4.20 4.35 4.60 0 0 0 9.00 0 0.05 0.04 0 5 0
December 17, 2021 3.70 3.85 4.10 0 0 0 9.50 0 0.05 0.04 0 15 0
December 17, 2021 3.20 3.35 3.60 0 15 0 10.00 0 0.05 0.04 0 50 0
December 17, 2021 2.73 2.85 3.10 0 0 0 10.50 0 0.06 0.05 0 50 0
December 17, 2021 2.23 2.35 2.59 0 85 0 11.00 0 0.05 0.04 -0.01 170 20
December 17, 2021 1.73 1.85 2.10 0 0 0 11.50 0 0.06 0.06 0 1,640 0
December 17, 2021 1.24 1.35 1.61 0 58 0 12.00 0.02 0.05 0.06 -0.01 166 20
December 17, 2021 0.79 0.86 1.13 0 30 0 12.50 0.06 0.10 0.15 0.04 95 10
December 17, 2021 0.40 0.47 0.33 -0.35 191 85 13.00 0.17 0.22 0.17 0 140 0
December 17, 2021 0.15 0.21 0.21 0 45 0 13.50 0.40 0.46 0.35 0 140 0
December 17, 2021 0.04 0.08 0.16 0 2,523 0 14.00 0.78 0.85 0.66 0 45 0
December 17, 2021 0 0.07 0.07 0 5,060 0 14.50 1.22 1.35 1.08 0 15 0
December 17, 2021 0 0.06 0.06 0 3,840 0 15.00 1.72 1.83 1.58 0 0 0
December 17, 2021 0 0.05 0.05 0 3,781 0 15.50 2.21 2.33 2.06 0 0 0
December 17, 2021 0 0.05 0.04 0 280 0 16.00 2.71 2.82 2.55 0 100 0
December 17, 2021 0 0.05 0.04 0 0 0 16.50 3.20 3.35 3.10 0 0 0
January 21, 2022 9.15 9.40 9.00 -0.60 0 100 4.00 0 0.05 0.04 0 0 0
January 21, 2022 8.15 8.40 8.60 0 0 0 5.00 0 0.06 0.04 0 75 0
January 21, 2022 7.20 7.35 7.60 0 157 0 6.00 0 0.05 0.03 0 105 0
January 21, 2022 6.20 6.40 6.60 0 0 0 7.00 0 0.06 0.05 0 123 0
January 21, 2022 5.20 5.40 5.60 0 30 0 8.00 0 0.01 0.05 0 58 0
January 21, 2022 4.20 4.35 4.20 -0.40 304 10 9.00 0 0.07 0.05 0 213 0
January 21, 2022 3.20 3.40 3.60 0 255 0 10.00 0 0.07 0.06 0 146 0
January 21, 2022 2.73 2.86 3.10 0 0 0 10.50 0 0.08 0.06 0 0 0
January 21, 2022 2.24 2.37 2.59 0 581 0 11.00 0.01 0.10 0.08 0 259 0
January 21, 2022 1.75 1.89 2.11 0 0 0 11.50 0.05 0.10 0.08 0 10 0
January 21, 2022 1.34 1.41 1.64 0 484 0 12.00 0.10 0.15 0.12 0 140 0
January 21, 2022 0.94 1.01 1.22 0 20 0 12.50 0.19 0.25 0.20 0 0 0
January 21, 2022 0.59 0.66 0.84 0 226 0 13.00 0.35 0.41 0.33 0 95 0
January 21, 2022 0.35 0.41 0.53 0 1 0 13.50 0.59 0.65 0.53 0 20 0
January 21, 2022 0.18 0.23 0.31 0 3,846 0 14.00 0.93 0.98 0.82 0 75 0
January 21, 2022 0.09 0.13 0.18 0 24 0 14.50 1.32 1.39 1.19 0 10 0
January 21, 2022 0.04 0.08 0.11 0 2,020 0 15.00 1.74 1.89 1.62 0 0 0
January 21, 2022 0.01 0.09 0.08 0 2 0 15.50 2.23 2.37 2.11 0 0 0
January 21, 2022 0 0.08 0.08 0 0 0 16.00 2.73 2.85 2.59 0 0 0
January 21, 2022 0 0.07 0.07 0 0 0 16.50 3.20 3.40 3.10 0 0 0
February 18, 2022 2.65 2.90 3.15 0 0 0 10.50 0.01 0.10 0.09 0 5 0
February 18, 2022 2.18 2.43 2.65 0 10 0 11.00 0.06 0.10 0.09 0 10 0
February 18, 2022 1.83 1.94 2.19 0 10 0 11.50 0.11 0.15 0.13 0 15 0
February 18, 2022 1.44 1.51 1.74 0 0 0 12.00 0.18 0.23 0.22 0 25 0
February 18, 2022 1.06 1.12 1.32 0 20 0 12.50 0.29 0.35 0.30 0 15 0
February 18, 2022 0.73 0.80 0.97 0 0 0 13.00 0.46 0.53 0.45 0 25 0
February 18, 2022 0.47 0.54 0.67 0 0 0 13.50 0.71 0.78 0.65 0 10 0
February 18, 2022 0.29 0.35 0.44 0 0 0 14.00 1.02 1.09 0.92 0 10 0
February 18, 2022 0.18 0.23 0.29 0 0 0 14.50 1.40 1.47 1.28 0 0 0
February 18, 2022 0.11 0.15 0.20 0 62 0 15.00 1.81 1.92 1.69 0 0 0
February 18, 2022 0.06 0.11 0.13 0 30 0 15.50 2.22 2.47 2.14 0 0 0
February 18, 2022 0.01 0.11 0.10 0 0 0 16.00 2.70 2.95 2.64 0 0 0
February 18, 2022 0.01 0.09 0.09 0 0 0 16.50 3.20 3.40 3.15 0 0 0
March 18, 2022 4.25 4.40 4.65 0 0 0 9.00 0 0.07 0.07 0 0 0
March 18, 2022 3.70 3.90 4.15 0 0 0 9.50 0.01 0.09 0.08 0 0 0
March 18, 2022 3.10 3.40 3.65 0 5 0 10.00 0.01 0.10 0.10 0 0 0
March 18, 2022 2.66 2.92 3.15 0 0 0 10.50 0.06 0.11 0.09 0 0 0
March 18, 2022 2.24 2.46 2.66 0 4 0 11.00 0.10 0.16 0.13 0 25 0
March 18, 2022 1.87 2.00 2.21 0 0 0 11.50 0.17 0.22 0.19 0 0 0
March 18, 2022 1.49 1.58 1.78 0 0 0 12.00 0.26 0.33 0.28 0 80 0
March 18, 2022 1.13 1.21 1.40 0 10 0 12.50 0.39 0.47 0.42 0 16 0
March 18, 2022 0.81 0.90 1.06 0 15 0 13.00 0.58 0.66 0.61 -0.06 56 1
March 18, 2022 0.56 0.64 0.77 0 0 0 13.50 0.83 0.91 0.79 0 0 0
March 18, 2022 0.38 0.46 0.40 0 72 0 14.00 1.15 1.23 1.08 0 40 0
March 18, 2022 0.25 0.31 0.39 0 23 0 14.50 1.51 1.60 1.41 0 0 0
March 18, 2022 0.16 0.22 0.27 0 24 0 15.00 1.93 2.00 1.80 0 20 0
March 18, 2022 0.11 0.15 0.19 0 0 0 15.50 2.35 2.48 2.23 0 0 0
March 18, 2022 0.07 0.12 0.15 0 203 0 16.00 2.77 2.97 2.71 0 5 0
March 18, 2022 0.02 0.12 0.11 0 0 0 16.50 3.25 3.45 3.20 0 0 0
April 14, 2022 2.34 2.49 0 0 0 0 11.00 0.14 0.20 0 0 0 0
April 14, 2022 1.95 2.04 2.26 0 0 0 11.50 0.22 0.28 0.24 0 0 0
April 14, 2022 1.55 1.65 1.85 0 0 0 12.00 0.32 0.40 0.34 0 0 0
April 14, 2022 1.20 1.29 1.47 0 0 0 12.50 0.47 0.55 0.48 0 0 0
April 14, 2022 0.90 0.99 1.15 0 0 0 13.00 0.66 0.75 0.66 0 0 0
April 14, 2022 0.65 0.74 0.87 0 0 0 13.50 0.91 1.00 0.88 0 0 0
April 14, 2022 0.46 0.54 0.64 0 4 0 14.00 1.22 1.31 1.16 0 0 0
April 14, 2022 0.32 0.39 0.47 0 0 0 14.50 1.58 1.66 1.49 0 0 0
April 14, 2022 0.22 0.29 0.34 0 0 0 15.00 1.98 2.07 1.87 0 0 0
April 14, 2022 0.15 0.21 0.25 0 0 0 15.50 2.38 2.53 2.28 0 0 0
April 14, 2022 0.10 0.17 0.19 0 0 0 16.00 2.80 3.05 2.73 0 0 0
April 14, 2022 0.07 0.13 0.15 0 0 0 16.50 3.30 3.50 3.20 0 0 0
May 20, 2022 2.39 2.55 0 0 0 0 11.00 0.20 0.26 0 0 0 0
May 20, 2022 2.02 2.12 2.32 0 0 0 11.50 0.29 0.36 0.31 0 0 0
May 20, 2022 1.63 1.75 1.92 0 0 0 12.00 0.40 0.49 0.43 0 0 0
May 20, 2022 1.30 1.40 1.56 0 0 0 12.50 0.56 0.65 0.57 0 0 0
May 20, 2022 1.00 1.11 1.25 0 0 0 13.00 0.76 0.86 0.76 0 0 0
May 20, 2022 0.76 0.86 0.98 0 0 0 13.50 1.01 1.11 0.99 0 0 0
May 20, 2022 0.56 0.66 0.76 0 0 0 14.00 1.31 1.41 1.27 0 0 0
May 20, 2022 0.41 0.50 0.58 0 0 0 14.50 1.66 1.76 1.59 0 0 0
May 20, 2022 0.30 0.38 0.44 0 0 0 15.00 2.04 2.16 1.95 0 0 0
May 20, 2022 0.22 0.29 0.32 0 0 0 15.50 2.46 2.56 2.35 0 0 0
May 20, 2022 0.16 0.22 0.25 0 0 0 16.00 2.87 3.05 2.81 0 0 0
June 17, 2022 4.15 4.45 4.65 0 0 0 9.00 0.01 0.12 0.11 0 10 0
June 17, 2022 3.15 3.50 3.70 0 5 0 10.00 0.11 0.18 0.16 0 0 0
June 17, 2022 2.42 2.59 2.79 0 110 0 11.00 0.24 0.32 0.27 0 15 0
June 17, 2022 1.69 1.79 1.99 0 5 0 12.00 0.47 0.57 0.50 0 0 0
June 17, 2022 1.05 1.17 1.10 0 171 0 13.00 0.84 0.96 0.85 0 20 0
June 17, 2022 0.63 0.73 0.83 0 75 0 14.00 1.40 1.52 1.36 0 0 0
June 17, 2022 0.35 0.44 0.50 0 255 0 15.00 2.12 2.25 2.04 0 0 0
June 17, 2022 0.19 0.27 0.29 0 0 0 16.00 2.94 3.15 2.86 0 5 0
June 17, 2022 0.11 0.18 0.20 0 0 0 17.00 3.80 4.10 3.80 0 0 0
June 17, 2022 0.03 0.15 0.13 0 0 0 18.00 4.75 5.05 4.70 0 15 0
September 16, 2022 3.25 3.60 3.80 0 0 0 10.00 0.20 0.27 0.25 0 15 0
September 16, 2022 2.55 2.69 2.92 0 5 0 11.00 0.37 0.46 0.40 0 55 0
September 16, 2022 1.83 1.96 2.16 0 0 0 12.00 0.64 0.77 0.66 0 0 0
September 16, 2022 1.23 1.37 1.52 0 0 0 13.00 1.04 1.18 1.07 0 0 0
September 16, 2022 0.79 0.93 1.04 0 0 0 14.00 1.60 1.74 1.59 0 40 0
September 16, 2022 0.49 0.62 0.70 0 0 0 15.00 2.30 2.43 2.25 0 0 0
September 16, 2022 0.31 0.41 0.46 0 5 0 16.00 3.10 3.25 3.05 0 0 0
September 16, 2022 0.20 0.28 0.30 0 0 0 17.00 3.90 4.15 3.90 0 5 0
September 16, 2022 0.13 0.22 0.23 0 0 0 18.00 4.80 5.10 4.80 0 40 0
January 20, 2023 7.10 7.50 7.65 0 100 0 6.00 0 0.08 0.07 0 7 0
January 20, 2023 6.10 6.45 6.65 0 41 0 7.00 0.01 0.14 0.12 0 100 0
January 20, 2023 5.10 5.50 5.70 0 81 0 8.00 0.01 0.22 0.18 0 165 0
January 20, 2023 4.15 4.55 4.10 -0.70 54 2 9.00 0.12 0.32 0.27 0 83 0
January 20, 2023 3.40 3.65 3.55 0 130 0 10.00 0.27 0.46 0.33 0 25 0
January 20, 2023 2.60 2.89 3.10 0 9 0 11.00 0.46 0.71 0.55 0 25 0
January 20, 2023 1.94 2.23 2.39 0 15 0 12.00 0.78 1.05 0.88 0 10 0
January 20, 2023 1.33 1.66 1.80 0 5 0 13.00 1.21 1.51 1.31 0 175 0
January 20, 2023 0.90 1.23 1.34 0 202 0 14.00 1.74 2.05 1.90 0 5 0
January 20, 2023 0.39 0.65 0.71 0 43 0 16.00 3.15 3.55 3.25 0 15 0
January 20, 2023 0.18 0.37 0.35 0 40 0 18.00 4.95 5.25 5.00 0 0 0
January 19, 2024 5.05 5.70 5.95 0 4 0 8.00 0.14 0.46 0.34 0 7 0
January 19, 2024 4.40 4.75 5.05 0 0 0 9.00 0.31 0.62 0.53 0 0 0
January 19, 2024 3.45 4.05 4.25 0 44 0 10.00 0.52 0.90 0.79 0 0 0
January 19, 2024 2.81 3.45 3.65 0 0 0 11.00 0.81 1.25 1.14 0 0 0
January 19, 2024 2.26 2.78 2.77 0 51 0 12.00 1.20 1.69 1.55 0 0 0
January 19, 2024 1.75 2.29 2.44 0 6 0 13.00 1.66 2.15 2.04 0 115 0
January 19, 2024 1.36 1.90 2.03 0 11 0 14.00 2.25 2.79 2.58 0 0 0
January 19, 2024 0.79 1.30 1.39 0 0 0 16.00 3.60 4.20 3.80 0 0 0
January 19, 2024 0.47 0.91 0.97 0 20 0 18.00 5.20 5.90 5.50 0 0 0

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