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ALA – AltaGas Ltd.

Last update: September 15, 2025 at 2:16 p.m.   (Real-time)

  • Last price: 42.040
  • Net change: 0.280
  • Bid price: 42.020
  • Ask price: 42.040
  • 30-day historical volatility: 15.58%
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: 8,371
Volume: 85
Open interest: 1,962
Volume: 34
September 26, 2025 (Weekly) 3.45 3.65 3.35 0 0 0 38.50 0 0.08 0.08 0 0 0
September 26, 2025 (Weekly) 2.96 3.15 2.85 0 0 0 39.00 0 0.08 0.09 0 0 0
September 26, 2025 (Weekly) 2.46 2.60 2.35 0 0 0 39.50 0.01 0.09 0.10 0 0 0
September 26, 2025 (Weekly) 1.96 2.10 1.85 0 0 0 40.00 0.03 0.10 0.14 0 0 0
September 26, 2025 (Weekly) 1.46 1.60 1.34 0 0 0 40.50 0.07 0.13 0.21 0 0 0
September 26, 2025 (Weekly) 0.96 1.10 0.88 0 0 0 41.00 0.13 0.22 0.32 0 0 0
September 26, 2025 (Weekly) 0.53 0.63 0.50 0 0 0 41.50 0.28 0.37 0.50 0 0 0
September 26, 2025 (Weekly) 0.26 0.36 0.26 0 15 0 42.00 0.52 0.60 0.79 0 0 0
September 26, 2025 (Weekly) 0.09 0.16 0.11 -0.02 0 20 42.50 0.82 0.94 1.17 0 0 0
September 26, 2025 (Weekly) 0.02 0.10 0.04 -0.04 0 4 43.00 1.25 1.37 1.63 0 0 0
September 26, 2025 (Weekly) 0 0.02 0.08 0 0 0 43.50 1.71 1.87 2.12 0 0 0
September 26, 2025 (Weekly) 0 0.02 0.07 0 0 0 44.00 2.21 2.36 2.61 0 0 0
October 3, 2025 (Weekly) 3.45 3.60 3.35 0 0 0 38.50 0 0.10 0.11 0 0 0
October 3, 2025 (Weekly) 2.96 3.10 2.85 0 0 0 39.00 0.02 0.09 0.13 0 0 0
October 3, 2025 (Weekly) 2.46 2.60 2.35 0 0 0 39.50 0.05 0.11 0.15 0 0 0
October 3, 2025 (Weekly) 1.96 2.10 1.84 0 0 0 40.00 0.09 0.15 0.20 0 0 0
October 3, 2025 (Weekly) 1.46 1.60 1.36 0 10 0 40.50 0.15 0.20 0.29 0 0 0
October 3, 2025 (Weekly) 1.01 1.12 0.96 0.01 0 20 41.00 0.24 0.31 0.40 0 0 0
October 3, 2025 (Weekly) 0.66 0.76 0.63 0 0 0 41.50 0.38 0.47 0.60 0 0 0
October 3, 2025 (Weekly) 0.37 0.48 0.38 0 10 0 42.00 0.59 0.70 0.87 0 0 0
October 3, 2025 (Weekly) 0.19 0.28 0.22 0 0 0 42.50 0.90 1.02 1.22 0 0 0
October 3, 2025 (Weekly) 0.08 0.15 0.12 0 2,000 0 43.00 1.28 1.41 1.67 0 0 0
October 3, 2025 (Weekly) 0.02 0.09 0.08 0 0 0 43.50 1.72 1.88 2.13 0 0 0
October 3, 2025 (Weekly) 0 0.08 0.08 0 0 0 44.00 2.21 2.35 2.62 0 0 0
October 10, 2025 (Weekly) 3.45 3.65 3.35 0 0 0 38.50 0.01 0.13 0.13 0 0 0
October 10, 2025 (Weekly) 2.96 3.15 2.85 0 0 0 39.00 0.05 0.13 0.16 0 0 0
October 10, 2025 (Weekly) 2.46 2.60 2.35 0 0 0 39.50 0.09 0.16 0.19 0 0 0
October 10, 2025 (Weekly) 1.96 2.10 1.85 0 10 0 40.00 0.14 0.20 0.26 0 0 0
October 10, 2025 (Weekly) 1.49 1.63 1.42 0 0 0 40.50 0.21 0.27 0.36 0 0 0
October 10, 2025 (Weekly) 1.09 1.21 1.05 0 0 0 41.00 0.31 0.39 0.48 0 0 0
October 10, 2025 (Weekly) 0.77 0.87 0.74 0 0 0 41.50 0.45 0.55 0.68 0 0 0
October 10, 2025 (Weekly) 0.48 0.59 0.48 0 0 0 42.00 0.67 0.78 0.94 0 0 0
October 10, 2025 (Weekly) 0.28 0.37 0.30 0 0 0 42.50 0.98 1.09 1.28 0 0 0
October 10, 2025 (Weekly) 0.15 0.22 0.18 0 2,100 0 43.00 1.32 1.46 1.68 0 0 0
October 10, 2025 (Weekly) 0.07 0.13 0.11 0 0 0 43.50 1.76 1.90 2.15 0 0 0
October 10, 2025 (Weekly) 0.02 0.09 0.11 0 0 0 44.00 2.21 2.36 2.64 0 0 0
October 24, 2025 (Weekly) 2.90 3.20 2.87 0 0 0 39.00 0.10 0.24 0.28 0 0 0
October 24, 2025 (Weekly) 2.36 2.66 2.41 0 0 0 39.50 0.12 0.29 0.35 0 0 0
October 24, 2025 (Weekly) 2.01 2.26 2.00 0 0 0 40.00 0.18 0.32 0.44 0 0 0
October 24, 2025 (Weekly) 1.60 1.81 1.61 0 0 0 40.50 0.32 0.37 0.55 0 0 0
October 24, 2025 (Weekly) 1.30 1.40 1.26 0 0 0 41.00 0.45 0.59 0.69 0 0 0
October 24, 2025 (Weekly) 0.90 1.07 0.96 0 0 0 41.50 0.62 0.73 0.88 0 0 0
October 24, 2025 (Weekly) 0.69 0.76 0.71 0 0 0 42.00 0.84 0.95 1.13 0 0 0
October 24, 2025 (Weekly) 0.40 0.55 0.51 0 0 0 42.50 1.11 1.23 1.44 0 0 0
October 24, 2025 (Weekly) 0.23 0.36 0.34 0 2 0 43.00 1.39 1.57 1.81 0 0 0
October 24, 2025 (Weekly) 0.08 0.28 0.24 0 0 0 43.50 1.70 1.95 2.26 0 0 0
October 24, 2025 (Weekly) 0.02 0.16 0.17 0 0 0 44.00 2.14 2.43 2.66 0 0 0
October 31, 2025 (Weekly) 2.32 2.93 2.56 0 0 0 39.50 0.10 0.49 0.50 0 0 0
October 31, 2025 (Weekly) 2.00 2.35 2.15 0 0 0 40.00 0.20 0.54 0.59 0 0 0
October 31, 2025 (Weekly) 1.60 1.98 1.79 0 0 0 40.50 0.29 0.62 0.70 0 0 0
October 31, 2025 (Weekly) 1.33 1.60 1.43 0 0 0 41.00 0.43 0.72 0.87 0 0 0
October 31, 2025 (Weekly) 1.03 1.28 1.15 0 0 0 41.50 0.60 0.90 1.07 0 0 0
October 31, 2025 (Weekly) 0.74 1.01 0.88 0 0 0 42.00 0.80 1.12 1.31 0 0 0
October 31, 2025 (Weekly) 0.49 0.76 0.71 0 0 0 42.50 1.05 1.38 1.62 0 0 0
October 31, 2025 (Weekly) 0.27 0.61 0.54 0 0 0 43.00 1.38 1.72 1.97 0 0 0
October 31, 2025 (Weekly) 0.15 0.49 0.49 0 0 0 43.50 1.70 2.06 2.37 0 0 0
October 31, 2025 (Weekly) 0 0.50 0.49 0 0 0 44.00 2.12 2.47 2.98 0 0 0
September 19, 2025 16.95 17.15 16.85 0 0 0 25.00 0 0.06 0.06 0 9 0
September 19, 2025 13.95 14.15 13.85 0 0 0 28.00 0 0.06 0.06 0 0 0
September 19, 2025 11.95 12.15 11.75 -0.10 10 10 30.00 0 0.06 0.06 0 66 0
September 19, 2025 9.95 10.15 9.85 0 20 0 32.00 0 0.06 0.06 0 51 0
September 19, 2025 8.95 9.15 8.85 0 0 0 33.00 0 0.06 0.06 0 0 0
September 19, 2025 7.95 8.15 7.85 0 47 0 34.00 0 0.06 0.06 0 1 0
September 19, 2025 6.95 7.15 6.85 0 0 0 35.00 0 0.06 0.06 0 15 0
September 19, 2025 5.95 6.10 5.85 0 30 0 36.00 0 0.06 0.06 0 5 0
September 19, 2025 4.95 5.15 4.80 -0.05 27 2 37.00 0 0.06 0.06 0 56 0
September 19, 2025 3.95 4.15 3.85 0 234 0 38.00 0 0.02 0.06 0 20 0
September 19, 2025 3.45 3.65 3.35 0 0 0 38.50 0 0.02 0.06 0 0 0
September 19, 2025 2.96 3.15 2.85 0 8 0 39.00 0 0.02 0.07 0 27 0
September 19, 2025 2.46 2.60 2.35 0 10 0 39.50 0 0.02 0.07 0 0 0
September 19, 2025 1.96 2.10 1.85 0 29 0 40.00 0 0.02 0.07 0 10 0
September 19, 2025 1.46 1.60 1.35 0 11 0 40.50 0 0.07 0.02 -0.08 21 4
September 19, 2025 0.96 1.09 1.01 0.16 165 5 41.00 0.03 0.10 0.19 0 12 0
September 19, 2025 0.46 0.60 0.39 0 20 0 41.50 0.13 0.21 0.36 0 0 0
September 19, 2025 0.10 0.18 0.12 -0.02 147 8 42.00 0.34 0.46 0.43 -0.24 39 20
September 19, 2025 0 0.08 0.02 -0.01 4 4 42.50 0.74 0.86 1.13 0 2 0
September 19, 2025 0 0.02 0.02 0 1,641 0 43.00 1.20 1.36 1.62 0 0 0
September 19, 2025 0 0.02 0.02 0 0 0 43.50 1.71 1.86 2.10 0 0 0
September 19, 2025 0 0.05 0.02 0 77 0 44.00 2.21 2.35 2.60 0 0 0
September 19, 2025 0 0.06 0.07 0 50 0 45.00 3.20 3.35 3.65 0 0 0
September 19, 2025 0 0.06 0.06 0 0 0 46.00 4.20 4.35 4.65 0 0 0
October 17, 2025 8.95 9.10 8.85 0 0 0 33.00 0 0.02 0.06 0 0 0
October 17, 2025 7.95 8.10 7.85 0 0 0 34.00 0 0.06 0.07 0 0 0
October 17, 2025 6.95 7.10 6.85 0 0 0 35.00 0 0.07 0.07 0 0 0
October 17, 2025 5.95 6.10 5.85 0 0 0 36.00 0 0.08 0.09 0 8 0
October 17, 2025 4.95 5.10 4.85 0 0 0 37.00 0.01 0.10 0.11 0 12 0
October 17, 2025 3.95 4.10 3.85 0 5 0 38.00 0.04 0.13 0.13 0 93 0
October 17, 2025 2.96 3.10 2.85 0 21 0 39.00 0.08 0.15 0.19 0 79 0
October 17, 2025 1.96 2.12 1.90 0 0 0 40.00 0.18 0.24 0.30 0 2 0
October 17, 2025 1.19 1.29 1.11 0 8 0 41.00 0.36 0.44 0.56 0 61 0
October 17, 2025 0.55 0.66 0.55 0 115 0 42.00 0.73 0.84 1.00 0 2 0
October 17, 2025 0.20 0.28 0.22 0 10 0 43.00 1.37 1.50 1.70 0 1 0
October 17, 2025 0.05 0.11 0.10 0 9 0 44.00 2.22 2.38 2.63 0 0 0
October 17, 2025 0 0.09 0.08 0 0 0 45.00 3.20 3.40 3.65 0 0 0
October 17, 2025 0 0.06 0.07 0 0 0 46.00 4.20 4.40 4.65 0 0 0
November 21, 2025 8.95 9.15 8.85 0 0 0 33.00 0.01 0.04 0.04 -0.06 0 6
November 21, 2025 7.95 8.15 7.85 0 0 0 34.00 0.01 0.10 0.12 0 0 0
November 21, 2025 6.95 7.15 6.85 0 0 0 35.00 0.03 0.13 0.14 0 0 0
November 21, 2025 5.95 6.15 5.85 0 0 0 36.00 0.05 0.16 0.18 0 52 0
November 21, 2025 4.95 5.20 4.90 0 0 0 37.00 0.10 0.19 0.22 0 4 0
November 21, 2025 4.05 4.25 3.95 0 30 0 38.00 0.17 0.24 0.27 0 0 0
November 21, 2025 3.15 3.30 3.10 0 62 0 39.00 0.27 0.34 0.40 0 2 0
November 21, 2025 2.33 2.46 2.27 0 28 0 40.00 0.43 0.52 0.59 0 0 0
November 21, 2025 1.61 1.72 1.57 0 5 0 41.00 0.70 0.79 0.89 0 0 0
November 21, 2025 1.02 1.12 1.00 0 10 0 42.00 1.10 1.19 1.33 0 0 0
November 21, 2025 0.60 0.67 0.59 0 5 0 43.00 1.65 1.76 1.95 0 0 0
November 21, 2025 0.29 0.37 0.33 0 30 0 44.00 2.36 2.50 2.73 0 0 0
November 21, 2025 0.14 0.20 0.18 0 0 0 45.00 3.20 3.45 3.70 0 0 0
November 21, 2025 0.05 0.12 0.13 0 0 0 46.00 4.20 4.35 4.60 0 0 0
December 19, 2025 16.90 17.15 16.90 0 0 0 25.00 0 0.05 0.06 0 35 0
December 19, 2025 13.90 14.15 13.90 0 0 0 28.00 0.01 0.06 0.06 0 15 0
December 19, 2025 11.90 12.15 11.90 0 0 0 30.00 0.01 0.07 0.08 0 5 0
December 19, 2025 9.90 10.15 9.90 0 5 0 32.00 0.01 0.10 0.12 0 42 0
December 19, 2025 7.90 8.15 7.90 -0.05 46 10 34.00 0.11 0.16 0.18 0 171 0
December 19, 2025 6.95 7.20 6.95 0 0 0 35.00 0.10 0.20 0.22 0 15 0
December 19, 2025 6.00 6.25 6.00 0 176 0 36.00 0.15 0.24 0.26 0 116 0
December 19, 2025 5.05 5.30 5.10 0 0 0 37.00 0.19 0.30 0.34 0 0 0
December 19, 2025 4.15 4.40 4.15 0 91 0 38.00 0.29 0.38 0.44 0 0 0
December 19, 2025 3.25 3.50 3.25 0 0 0 39.00 0.44 0.52 0.61 0 20 0
December 19, 2025 2.49 2.64 2.44 0 311 0 40.00 0.64 0.72 0.84 0 0 0
December 19, 2025 1.78 1.92 1.75 0 4 0 41.00 0.95 1.04 1.19 0 20 0
December 19, 2025 1.18 1.31 1.18 0 38 0 42.00 1.37 1.48 1.66 0 0 0
December 19, 2025 0.73 0.87 0.76 0 20 0 43.00 1.94 2.05 2.27 0 0 0
December 19, 2025 0.44 0.53 0.46 0 39 0 44.00 2.63 2.78 3.05 0 0 0
December 19, 2025 0.22 0.31 0.28 0 8 0 45.00 3.40 3.60 3.90 0 0 0
December 19, 2025 0.10 0.21 0.19 0 0 0 46.00 4.25 4.55 4.80 0 0 0
January 16, 2026 6.00 6.30 6.00 0 0 0 36.00 0.19 0.30 0.34 0 0 0
January 16, 2026 5.10 5.40 5.05 0 0 0 37.00 0.28 0.35 0.40 0 0 0
January 16, 2026 4.20 4.45 4.15 0 0 0 38.00 0.38 0.47 0.53 0 0 0
January 16, 2026 3.40 3.60 3.35 0 0 0 39.00 0.54 0.65 0.71 0 0 0
January 16, 2026 2.61 2.78 2.57 0 0 0 40.00 0.78 0.88 0.98 0 0 0
January 16, 2026 1.92 2.06 1.91 0 5 0 41.00 1.10 1.20 1.33 0 0 0
January 16, 2026 1.34 1.47 1.33 0 0 0 42.00 1.52 1.64 1.80 0 0 0
January 16, 2026 0.88 1.00 0.90 0 0 0 43.00 2.08 2.22 2.39 0 0 0
January 16, 2026 0.55 0.65 0.60 0 15 0 44.00 2.75 2.88 3.10 0 0 0
January 16, 2026 0.33 0.44 0.39 0 0 0 45.00 3.50 3.70 3.95 0 0 0
January 16, 2026 0.19 0.27 0.25 0 0 0 46.00 4.30 4.55 4.85 0 0 0
February 20, 2026 5.20 5.50 5.00 -0.15 0 2 37.00 0.37 0.46 0.51 0 0 0
February 20, 2026 4.30 4.60 4.30 0 0 0 38.00 0.50 0.60 0.67 0 0 0
February 20, 2026 3.55 3.75 3.50 0 0 0 39.00 0.68 0.80 0.87 0 0 0
February 20, 2026 2.81 2.93 2.77 0 0 0 40.00 0.94 1.00 1.16 0 0 0
February 20, 2026 2.14 2.31 2.14 0 0 0 41.00 1.26 1.41 1.52 0 0 0
February 20, 2026 1.58 1.69 1.59 0 0 0 42.00 1.71 1.84 1.99 0 0 0
February 20, 2026 1.10 1.25 1.14 0 0 0 43.00 2.23 2.39 2.55 0 0 0
February 20, 2026 0.74 0.87 0.80 0 0 0 44.00 2.89 3.05 3.25 0 0 0
February 20, 2026 0.48 0.60 0.56 0 0 0 45.00 3.60 3.80 4.05 0 0 0
February 20, 2026 0.31 0.42 0.38 0 0 0 46.00 4.40 4.65 4.90 0 0 0
March 20, 2026 11.85 12.20 11.95 0 9 0 30.00 0.03 0.17 0.19 0 5 0
March 20, 2026 9.90 10.25 10.00 0 0 0 32.00 0.09 0.24 0.29 0 17 0
March 20, 2026 7.95 8.30 8.10 0 4 0 34.00 0.22 0.33 0.36 0 49 0
March 20, 2026 7.05 7.40 7.15 0 0 0 35.00 0.30 0.39 0.44 0 10 0
March 20, 2026 6.15 6.45 6.15 0 50 0 36.00 0.36 0.47 0.51 0 150 0
March 20, 2026 4.45 4.70 4.45 0 128 0 38.00 0.66 0.75 0.83 0 400 0
March 20, 2026 2.95 3.15 2.92 0 47 0 40.00 1.12 1.25 1.37 0 10 0
March 20, 2026 1.73 1.89 1.76 0 171 0 42.00 1.92 2.07 2.23 0 0 0
March 20, 2026 0.88 1.04 0.96 0 2 0 44.00 3.05 3.30 3.50 0 0 0
March 20, 2026 0.60 0.75 0.70 0 15 0 45.00 3.80 4.00 4.25 0 0 0
March 20, 2026 0.40 0.53 0.50 0 0 0 46.00 4.55 4.80 5.05 0 0 0
March 20, 2026 0.03 0.16 0.17 0 0 0 50.00 8.15 8.50 8.75 0 2 0
June 19, 2026 11.85 12.20 11.95 0 0 0 30.00 0.09 0.31 0.31 0 0 0
June 19, 2026 8.05 8.50 8.20 0 0 0 34.00 0.38 0.55 0.62 0 20 0
June 19, 2026 7.15 7.55 7.25 0 0 0 35.00 0.48 0.63 0.52 -0.18 6 4
June 19, 2026 6.30 6.65 6.40 0 10 0 36.00 0.62 0.77 0.85 0 0 0
June 19, 2026 4.70 5.05 4.80 0 15 0 38.00 1.00 1.16 1.26 0 0 0
June 19, 2026 3.30 3.60 3.40 0 56 0 40.00 1.59 1.75 1.87 0 0 0
June 19, 2026 2.15 2.40 2.26 0 44 0 42.00 2.39 2.58 2.74 0 204 0
June 19, 2026 1.27 1.52 1.45 0 47 0 44.00 3.40 3.75 3.95 0 0 0
June 19, 2026 0.97 1.19 1.13 0 0 0 45.00 4.10 4.40 4.60 0 0 0
June 19, 2026 0.69 0.93 0.89 0 0 0 46.00 4.80 5.15 5.40 0 0 0
June 19, 2026 0.13 0.36 0.37 0 0 0 50.00 8.20 8.60 8.85 0 0 0

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