Quotes

My Quotes

The "My quotes" service gives you a quick and easy access to your quote page. To select your quotes, you must login or register to create your profile.

Useful Documents

Expiry Cycles

Market Makers

Official Index Opening Levels

Options Summary

Daily Option Listings

Available Weekly Options

Penny Program List

Useful Links

Implied Volatility Calculation

Equity Options Crosses and Strategies – Approved Participant Ranking

ALA – AltaGas Ltd.

Last update: January 31, 2026 at 1:36 a.m.   (Real-time)

  • Last price: 41.070
  • Net change: -0.080
  • Bid price: 40.910
  • Ask price: 41.120
  • 30-day historical volatility: 15.93%
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: 9,305
Volume: 1,125
Open interest: 2,829
Volume: 180
February 6, 2026 (Weekly) 2.39 2.71 2.71 0 0 0 38.50 0 0.03 0.03 -0.07 5 4
February 6, 2026 (Weekly) 2.04 2.22 2.24 0 0 0 39.00 0.02 0.14 0.14 0 0 0
February 6, 2026 (Weekly) 1.55 1.75 1.75 0 0 0 39.50 0.04 0.22 0.22 0 0 0
February 6, 2026 (Weekly) 0.92 1.31 1.31 0 0 0 40.00 0.09 0.29 0.29 -0.02 50 20
February 6, 2026 (Weekly) 0.70 0.91 0.91 0 0 0 40.50 0.18 0.29 0.29 0 0 0
February 6, 2026 (Weekly) 0.42 0.67 0.59 0 0 0 41.00 0.34 0.57 0.57 0 0 0
February 6, 2026 (Weekly) 0.17 0.30 0.30 0 0 0 41.50 0.57 0.72 0.72 0 0 0
February 6, 2026 (Weekly) 0.04 0.15 0.15 0 2 0 42.00 0.93 1.24 1.07 0 10 0
February 6, 2026 (Weekly) 0.01 0.03 0.03 0 0 0 42.50 1.21 1.63 1.67 0 0 0
February 6, 2026 (Weekly) 0 0.33 0.33 0 1,400 0 43.00 1.82 2.05 2.09 0 0 0
February 6, 2026 (Weekly) 0 0.02 0.02 0 0 0 43.50 2.35 2.64 2.54 0 0 0
February 6, 2026 (Weekly) 0 0.02 0.02 0 2 0 44.00 2.86 3.10 3.00 0 0 0
February 6, 2026 (Weekly) 0 0.02 0.02 0 0 0 44.50 3.35 3.55 3.50 0 0 0
February 13, 2026 (Weekly) 2.56 2.77 2.79 0 0 0 38.50 0.06 0.13 0.13 0 21 0
February 13, 2026 (Weekly) 2.11 2.30 2.32 0 0 0 39.00 0.08 0.31 0.31 0 0 0
February 13, 2026 (Weekly) 1.62 1.87 1.91 0 0 0 39.50 0.13 0.31 0.31 0 16 0
February 13, 2026 (Weekly) 1.14 1.45 1.47 0 15 0 40.00 0.20 0.44 0.44 0 52 0
February 13, 2026 (Weekly) 0.92 1.07 1.07 0 0 0 40.50 0.33 0.56 0.56 0 0 0
February 13, 2026 (Weekly) 0.58 0.75 0.77 0 11 0 41.00 0.49 0.63 0.63 0 0 0
February 13, 2026 (Weekly) 0.32 0.46 0.46 0 28 0 41.50 0.71 0.87 0.87 0 0 0
February 13, 2026 (Weekly) 0.16 0.31 0.31 -0.19 0 10 42.00 1.03 1.33 1.18 0 0 0
February 13, 2026 (Weekly) 0.06 0.20 0.20 0 16 0 42.50 1.42 1.61 1.56 0 0 0
February 13, 2026 (Weekly) 0.01 0.17 0.17 0 700 0 43.00 1.83 2.14 2.14 0 25 0
February 13, 2026 (Weekly) 0 0.26 0.26 0 0 0 43.50 2.36 2.62 2.56 0 0 0
February 13, 2026 (Weekly) 0 0.23 0.23 0 0 0 44.00 2.79 3.20 3.20 0 0 0
February 27, 2026 (Weekly) 2.68 2.91 2.92 0 0 0 38.50 0.13 0.24 0.24 0 2 0
February 27, 2026 (Weekly) 2.25 2.48 2.48 0 0 0 39.00 0.18 0.30 0.30 0 0 0
February 27, 2026 (Weekly) 1.89 2.08 2.11 0 0 0 39.50 0.26 0.41 0.41 0 0 0
February 27, 2026 (Weekly) 1.48 1.70 1.73 0 1 0 40.00 0.38 0.50 0.50 0 0 0
February 27, 2026 (Weekly) 1.13 1.34 1.36 0 0 0 40.50 0.48 0.68 0.68 -0.03 0 21
February 27, 2026 (Weekly) 0.82 0.99 0.99 0 0 0 41.00 0.65 0.84 0.84 0 21 0
February 27, 2026 (Weekly) 0.55 0.69 0.69 0 0 0 41.50 0.89 1.10 1.10 0 0 0
February 27, 2026 (Weekly) 0.33 0.48 0.48 0 0 0 42.00 1.20 1.38 1.38 0 0 0
February 27, 2026 (Weekly) 0.18 0.33 0.33 0 1,025 0 42.50 1.55 1.73 1.73 0 0 0
February 27, 2026 (Weekly) 0.10 0.21 0.21 0 0 0 43.00 1.95 2.16 2.11 0 0 0
February 27, 2026 (Weekly) 0.05 0.15 0.15 0 0 0 43.50 2.32 2.74 2.74 0 0 0
February 27, 2026 (Weekly) 0.01 0.25 0.25 0 0 0 44.00 2.87 3.05 3.05 0 0 0
March 6, 2026 (Weekly) 1.89 2.26 2.26 0 0 0 39.50 0.23 0.63 0.63 -0.03 0 12
March 6, 2026 (Weekly) 1.52 1.89 1.89 0 0 0 40.00 0.41 0.77 0.77 0 0 0
March 6, 2026 (Weekly) 1.18 1.54 1.54 0 0 0 40.50 0.53 0.91 0.91 0 0 0
March 6, 2026 (Weekly) 0.87 1.23 1.23 0 0 0 41.00 0.81 1.12 1.12 0 0 0
March 6, 2026 (Weekly) 0.60 0.97 0.97 0 0 0 41.50 0.97 1.33 1.33 0 0 0
March 6, 2026 (Weekly) 0.37 0.77 0.77 0 0 0 42.00 1.26 1.64 1.64 0 0 0
March 6, 2026 (Weekly) 0.26 0.59 0.59 -0.24 0 1,100 42.50 1.59 1.93 1.93 0 0 0
March 6, 2026 (Weekly) 0.06 0.46 0.46 0 0 0 43.00 1.99 2.32 2.32 0 0 0
March 6, 2026 (Weekly) 0.02 0.42 0.42 0 0 0 43.50 2.39 2.80 2.80 0 0 0
March 6, 2026 (Weekly) 0.02 0.31 0.31 0 0 0 44.00 2.82 3.25 3.25 0 0 0
March 13, 2026 (Weekly) 2.06 2.34 2.34 0 0 0 39.50 0.43 0.74 0.74 0 0 0
March 13, 2026 (Weekly) 1.68 1.97 1.97 0 0 0 40.00 0.51 0.89 0.89 0 0 0
March 13, 2026 (Weekly) 1.31 1.63 1.63 0 0 0 40.50 0.69 1.01 1.01 0 0 0
March 13, 2026 (Weekly) 1.03 1.31 1.31 0 0 0 41.00 0.89 1.19 1.19 0 0 0
March 13, 2026 (Weekly) 0.73 1.05 1.05 0 0 0 41.50 1.13 1.43 1.43 0 0 0
March 13, 2026 (Weekly) 0.50 0.83 0.83 0 0 0 42.00 1.40 1.70 1.70 0 0 0
March 13, 2026 (Weekly) 0.39 0.62 0.62 0 0 0 42.50 1.70 2.00 2.00 0 0 0
March 13, 2026 (Weekly) 0.24 0.48 0.48 0 0 0 43.00 2.07 2.35 2.35 0.04 0 18
March 13, 2026 (Weekly) 0.14 0.40 0.40 0 0 0 43.50 2.43 2.72 2.72 0 0 0
March 13, 2026 (Weekly) 0.07 0.34 0.34 0 0 0 44.00 2.78 3.35 3.35 0 0 0
February 20, 2026 5.05 5.25 5.30 0 0 0 36.00 0 0.20 0.20 0 60 0
February 20, 2026 4.05 4.35 4.30 0 2 0 37.00 0.02 0.22 0.22 0 0 0
February 20, 2026 3.10 3.30 3.35 0 0 0 38.00 0.07 0.24 0.24 0 12 0
February 20, 2026 2.64 2.84 2.87 0 0 0 38.50 0.10 0.27 0.27 0 10 0
February 20, 2026 2.14 2.38 2.39 0 30 0 39.00 0.14 0.31 0.31 0 36 0
February 20, 2026 1.65 1.96 1.98 0 0 0 39.50 0.21 0.42 0.42 0 0 0
February 20, 2026 1.33 1.55 1.55 0 100 0 40.00 0.30 0.43 0.34 -0.01 101 40
February 20, 2026 1.03 1.21 1.21 0 0 0 40.50 0.43 0.67 0.67 0 105 0
February 20, 2026 0.69 0.87 0.89 0 77 0 41.00 0.60 0.72 0.72 0 115 0
February 20, 2026 0.44 0.58 0.58 0 22 0 41.50 0.84 0.97 0.97 0 6 0
February 20, 2026 0.25 0.36 0.36 0 345 0 42.00 1.09 1.38 1.25 0 29 0
February 20, 2026 0.12 0.23 0.23 0 2,750 0 42.50 1.40 1.67 1.62 0 41 0
February 20, 2026 0.04 0.15 0.15 0 251 0 43.00 1.87 2.17 2.17 0 27 0
February 20, 2026 0.01 0.18 0.18 0 0 0 43.50 2.37 2.62 2.57 0 45 0
February 20, 2026 0.01 0.18 0.18 0 154 0 44.00 2.86 3.05 3.05 0 5 0
February 20, 2026 0 0.21 0.21 0 17 0 45.00 3.80 4.15 4.15 0 0 0
February 20, 2026 0 0.20 0.20 0 50 0 46.00 4.80 5.15 5.15 0 0 0
February 20, 2026 0 0.19 0.19 0 0 0 47.00 5.80 6.15 6.15 0 0 0
February 20, 2026 0 0.20 0.20 0 0 0 48.00 6.80 7.15 7.15 0 0 0
February 20, 2026 0 0.19 0.19 0 0 0 49.00 7.80 8.15 8.15 0 0 0
February 20, 2026 0 0.19 0.19 0 0 0 50.00 8.80 9.15 9.15 0 0 0
February 20, 2026 0 0.19 0.19 0 0 0 52.00 10.80 11.15 11.15 0 0 0
February 20, 2026 0 0.20 0.20 0 0 0 54.00 12.80 13.15 13.15 0 0 0
February 20, 2026 0 0.20 0.20 0 0 0 56.00 14.80 15.15 15.15 0 0 0
February 20, 2026 0 0.19 0.19 0 0 0 58.00 16.80 17.15 17.15 0 0 0
March 20, 2026 10.75 11.45 11.45 0 2 0 30.00 0.01 0.09 0.09 0 11 0
March 20, 2026 8.85 9.45 9.45 0 0 0 32.00 0.02 0.40 0.40 0 27 0
March 20, 2026 6.80 7.50 7.50 0 4 0 34.00 0.02 0.44 0.44 0 39 0
March 20, 2026 5.90 6.60 6.60 0 0 0 35.00 0.02 0.47 0.47 0 11 0
March 20, 2026 4.95 5.55 5.55 0 50 0 36.00 0.04 0.50 0.50 0 172 0
March 20, 2026 4.05 4.60 4.60 0 0 0 37.00 0.02 0.50 0.50 0 2 0
March 20, 2026 3.15 3.65 3.65 0 115 0 38.00 0.22 0.45 0.45 0 420 0
March 20, 2026 2.28 2.85 2.85 0 10 0 39.00 0.43 0.80 0.80 0 20 0
March 20, 2026 1.61 1.99 1.99 0 31 0 40.00 0.62 1.07 1.07 0 34 0
March 20, 2026 1.06 1.39 1.39 0 0 0 41.00 1.02 1.46 1.46 0 60 0
March 20, 2026 0.62 0.89 0.89 0 252 0 42.00 1.58 1.99 1.99 0 52 0
March 20, 2026 0.20 0.50 0.50 0 42 0 43.00 2.21 2.77 2.77 0.29 0 30
March 20, 2026 0.02 0.45 0.45 0 51 0 44.00 3.05 3.65 3.65 0 10 0
March 20, 2026 0.02 0.40 0.40 0 93 0 45.00 4.00 4.55 4.55 0 0 0
March 20, 2026 0.01 0.35 0.35 0 40 0 46.00 4.95 5.45 5.45 0 0 0
March 20, 2026 0 0.33 0.33 0 0 0 47.00 5.90 6.50 6.50 0 0 0
March 20, 2026 0 0.33 0.33 0 20 0 48.00 6.85 7.55 7.55 0 0 0
March 20, 2026 0 0.32 0.32 0 0 0 49.00 7.85 8.55 8.55 0 0 0
March 20, 2026 0 0.32 0.32 0 0 0 50.00 8.85 9.60 9.60 0 2 0
March 20, 2026 0 0.32 0.32 0 0 0 52.00 10.85 11.60 11.60 0 0 0
March 20, 2026 0 0.32 0.32 0 0 0 54.00 12.85 13.60 13.60 0 0 0
March 20, 2026 0 0.32 0.32 0 0 0 56.00 14.80 15.60 15.60 0 0 0
March 20, 2026 0 0.32 0.32 0 0 0 58.00 16.80 17.60 17.60 0 0 0
April 17, 2026 5.20 5.60 5.50 0 0 0 36.00 0.23 0.36 0.31 0 0 0
April 17, 2026 4.30 4.50 4.50 0 0 0 37.00 0.33 0.42 0.42 0 0 0
April 17, 2026 3.40 3.65 3.65 0 5 0 38.00 0.49 0.58 0.58 0 2 0
April 17, 2026 2.67 2.83 2.83 0 0 0 39.00 0.69 0.80 0.80 0 0 0
April 17, 2026 1.93 2.11 2.11 0 0 0 40.00 0.99 1.11 1.11 0 9 0
April 17, 2026 1.32 1.48 1.48 0 10 0 41.00 1.39 1.51 1.51 0 10 0
April 17, 2026 0.84 0.98 0.98 0 70 0 42.00 1.89 2.05 2.05 0 19 0
April 17, 2026 0.50 0.61 0.61 0 52 0 43.00 2.57 2.73 2.73 0 0 0
April 17, 2026 0.28 0.37 0.37 0 0 0 44.00 3.30 3.55 3.55 0 0 0
April 17, 2026 0.13 0.24 0.24 0 135 0 45.00 4.05 4.55 4.55 0 0 0
April 17, 2026 0.02 0.36 0.36 0 20 0 46.00 5.10 5.45 5.30 0 0 0
April 17, 2026 0.02 0.31 0.31 0 10 0 47.00 6.05 6.30 6.40 0 0 0
April 17, 2026 0 0.28 0.28 0 20 0 48.00 6.95 7.55 7.55 0 0 0
April 17, 2026 0 0.27 0.27 0 0 0 49.00 7.90 8.55 8.55 0 0 0
April 17, 2026 0 0.26 0.26 0 0 0 50.00 8.90 9.40 9.40 0 0 0
April 17, 2026 0 0.26 0.26 0 0 0 52.00 10.90 11.40 11.40 0 0 0
April 17, 2026 0 0.26 0.26 0 0 0 54.00 12.90 13.45 13.45 0 0 0
April 17, 2026 0 0.26 0.26 0 0 0 56.00 14.90 15.50 15.50 0 0 0
April 17, 2026 0 0.26 0.26 0 0 0 58.00 16.85 17.50 17.50 0 0 0
May 15, 2026 5.35 5.55 5.55 0 0 0 36.00 0.36 0.45 0.45 0 30 0
May 15, 2026 4.45 4.70 4.70 0 0 0 37.00 0.48 0.60 0.60 0 0 0
May 15, 2026 3.65 3.85 3.85 0 0 0 38.00 0.66 0.79 0.79 0 0 0
May 15, 2026 2.90 3.10 3.10 0 0 0 39.00 0.91 1.04 1.04 0 12 0
May 15, 2026 2.19 2.39 2.39 0 0 0 40.00 1.23 1.36 1.36 0 0 0
May 15, 2026 1.60 1.77 1.77 0 0 0 41.00 1.62 1.77 1.77 0.06 12 30
May 15, 2026 1.12 1.27 1.27 0 5 0 42.00 2.14 2.30 2.30 0 0 0
May 15, 2026 0.74 0.89 0.89 0 23 0 43.00 2.75 2.95 2.95 0 0 0
May 15, 2026 0.48 0.61 0.61 0 33 0 44.00 3.45 3.70 3.65 0 0 0
May 15, 2026 0.27 0.41 0.41 0 37 0 45.00 4.25 4.50 4.50 0 0 0
May 15, 2026 0.16 0.27 0.27 0 20 0 46.00 5.10 5.45 5.45 0 0 0
May 15, 2026 0.09 0.18 0.18 0 0 0 47.00 6.10 6.35 6.35 0 0 0
May 15, 2026 0.02 0.22 0.22 0 0 0 48.00 7.05 7.30 7.30 0 0 0
June 19, 2026 11.00 11.40 11.40 0 0 0 30.00 0.02 0.22 0.22 0 19 0
June 19, 2026 7.10 7.55 7.55 0 0 0 34.00 0.17 0.49 0.49 0 32 0
June 19, 2026 6.20 6.55 6.55 0 0 0 35.00 0.27 0.58 0.58 0 10 0
June 19, 2026 5.30 5.70 5.70 0 5 0 36.00 0.40 0.71 0.71 0 129 0
June 19, 2026 4.45 4.85 4.85 0 10 0 37.00 0.59 0.92 0.92 0 0 0
June 19, 2026 3.75 4.10 4.10 0 8 0 38.00 0.79 1.10 1.10 0 246 0
June 19, 2026 2.97 3.30 3.30 0 0 0 39.00 1.18 1.39 1.39 0 0 0
June 19, 2026 2.32 2.63 2.63 0 68 0 40.00 1.44 1.75 1.75 0 7 0
June 19, 2026 1.74 2.04 2.04 0 90 0 41.00 1.89 2.19 2.19 0 6 0
June 19, 2026 1.25 1.59 1.59 0 43 0 42.00 2.43 2.72 2.72 0 204 0
June 19, 2026 0.86 1.19 1.19 0 0 0 43.00 3.05 3.35 3.35 0 0 0
June 19, 2026 0.56 0.89 0.89 0 18 0 44.00 3.65 4.05 4.05 0 0 0
June 19, 2026 0.33 0.59 0.59 0 58 0 45.00 4.50 4.85 4.85 0 1 0
June 19, 2026 0.17 0.47 0.47 0 156 0 46.00 5.30 5.70 5.70 0 0 0
June 19, 2026 0.02 0.29 0.29 0 10 0 48.00 7.05 7.55 7.55 0 0 0
June 19, 2026 0.01 0.20 0.20 0 0 0 50.00 9.05 9.45 9.45 0 4 0
June 19, 2026 0 0.17 0.17 0 0 0 55.00 13.95 14.35 14.35 0 0 0
June 19, 2026 0 0.15 0.15 0 0 0 60.00 18.90 19.35 19.35 0 0 0
June 19, 2026 0 0.15 0.15 0 0 0 70.00 28.90 29.35 29.35 0 0 0
July 17, 2026 5.50 5.75 5.75 0 0 0 36.00 0.61 0.75 0.75 0 0 0
July 17, 2026 4.65 4.95 4.95 0 0 0 37.00 0.79 0.95 0.95 0 0 0
July 17, 2026 3.85 4.35 4.15 0 0 0 38.00 1.02 1.19 1.19 0 20 0
July 17, 2026 3.15 3.40 3.40 0 0 0 39.00 1.30 1.48 1.48 0 0 0
July 17, 2026 2.49 2.71 2.71 0 0 0 40.00 1.65 1.84 1.84 0 0 0
July 17, 2026 1.93 2.14 2.14 0 1 0 41.00 2.08 2.28 2.28 0 0 0
July 17, 2026 1.44 1.64 1.64 0 0 0 42.00 2.59 2.80 2.80 0 0 0
July 17, 2026 1.04 1.24 1.24 0 7 0 43.00 3.15 3.45 3.45 0 0 0
July 17, 2026 0.73 0.91 0.91 0 40 0 44.00 3.85 4.10 4.10 0 0 0
July 17, 2026 0.48 0.67 0.67 0 3 0 45.00 4.55 4.95 4.90 0 0 0
July 17, 2026 0.32 0.48 0.48 0 0 0 46.00 5.10 5.75 5.70 0 0 0
September 18, 2026 6.45 6.85 6.85 0 0 0 35.00 0.57 0.95 0.95 0 166 0
September 18, 2026 5.55 6.10 6.10 0 3 0 36.00 0.83 1.13 1.13 -0.03 29 5
September 18, 2026 4.05 4.50 4.50 0 30 0 38.00 1.34 1.65 1.65 0 91 0
September 18, 2026 2.77 3.20 3.20 0 168 0 40.00 1.98 2.37 2.37 0 27 0
September 18, 2026 1.74 2.10 2.10 0 84 0 42.00 2.97 3.35 3.35 0 44 0
September 18, 2026 0.99 1.30 1.30 0 4 0 44.00 4.20 4.60 4.60 0 10 0
September 18, 2026 0.71 1.00 1.00 0 13 0 45.00 4.80 5.35 5.35 0 26 0
September 18, 2026 0.49 0.79 0.79 0 44 0 46.00 5.55 6.10 6.10 0 0 0
September 18, 2026 0.16 0.57 0.57 0 168 0 48.00 7.30 7.80 7.80 0 0 0
September 18, 2026 0.02 0.39 0.39 0 31 0 50.00 9.10 9.65 9.65 0 0 0
September 18, 2026 0.01 0.23 0.23 0 0 0 55.00 13.90 14.45 14.35 0 0 0
September 18, 2026 0 0.24 0.24 0 0 0 60.00 18.90 19.40 19.40 0 0 0
September 18, 2026 0 0.20 0.20 0 0 0 70.00 28.85 29.40 29.40 0 0 0
December 18, 2026 6.55 7.10 7.10 0 0 0 35.00 0.91 1.28 1.28 0 10 0
December 18, 2026 5.80 6.30 6.30 0 0 0 36.00 1.11 1.50 1.50 0 0 0
December 18, 2026 4.35 4.85 4.85 0 5 0 38.00 1.71 2.08 2.08 0 0 0
December 18, 2026 3.10 3.60 3.60 0 10 0 40.00 2.41 2.86 2.86 0 0 0
December 18, 2026 2.15 2.49 2.49 0 2 0 42.00 3.40 3.80 3.80 0 0 0
December 18, 2026 1.36 1.69 1.69 0 67 0 44.00 4.60 5.10 5.10 0 0 0
December 18, 2026 1.05 1.39 1.39 -0.28 11 15 45.00 5.30 5.75 5.75 0 0 0
December 18, 2026 0.80 1.05 1.05 0 0 0 46.00 6.00 6.50 6.50 0 0 0
December 18, 2026 0.14 0.59 0.59 0 0 0 50.00 9.30 9.75 9.75 0 0 0

TMX Group Limited and its affiliates do not endorse or recommend any securities issued by any companies identified on, or linked through, this site. Please seek professional advice to evaluate specific securities or other content on this site. All content (including any links to third party sites) is provided for informational purposes only (and not for trading purposes), and is not intended to provide legal, accounting, tax, investment, financial or other advice and should not be relied upon for such advice. The views, opinions and advice of any third party reflect those of the individual authors and are not endorsed by TMX Group Limited or its affiliates. TMX Group Limited and its affiliates have not prepared, reviewed or updated the content of third parties on this site or the content of any third party sites, and assume no responsibility for such information.

Copyright © 2026 Bourse de Montréal Inc. All rights reserved.
Canadian Derivatives Exchange is an official mark of Bourse de Montréal Inc.