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ACO – ATCO Ltd.

Last update: December 24, 2025 at 2:10 p.m.   (Real-time)

  • Last price: 55.750
  • Net change: 0.070
  • Bid price: 55.560
  • Ask price: 55.790
  • 30-day historical volatility: 16.29%
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: 112
Volume: 2
Open interest: 52
Volume: 0
January 16, 2026 11.40 12.20 12.20 0 0 0 44.00 0 0.27 0.27 0 0 0
January 16, 2026 10.40 11.20 11.20 0 0 0 45.00 0 0.27 0.27 0 0 0
January 16, 2026 9.35 10.20 10.20 0 0 0 46.00 0 0.26 0.26 0 0 0
January 16, 2026 8.35 9.20 9.20 0 0 0 47.00 0 0.27 0.27 0 0 0
January 16, 2026 7.35 8.20 8.20 0 0 0 48.00 0 0.49 0.49 0 5 0
January 16, 2026 6.35 7.20 7.20 0 0 0 49.00 0 0.49 0.49 0 0 0
January 16, 2026 5.35 6.20 6.20 0 0 0 50.00 0 0.49 0.49 0 1 0
January 16, 2026 3.55 4.15 4.15 0 0 0 52.00 0.01 0.28 0.28 0 0 0
January 16, 2026 1.80 2.20 2.20 0 0 0 54.00 0.01 0.49 0.49 0 10 0
January 16, 2026 0.40 0.85 0.85 0 16 0 56.00 0.60 1.10 1.10 0 1 0
January 16, 2026 0.01 0.32 0.32 0 7 0 58.00 2.15 2.55 2.55 0 0 0
January 16, 2026 0 0.27 0.27 0 0 0 60.00 3.95 4.65 4.65 0 0 0
January 16, 2026 0 0.27 0.27 0 0 0 62.00 5.90 6.70 6.70 0 0 0
January 16, 2026 0 0.26 0.26 0 0 0 64.00 7.90 8.65 8.65 0 0 0
February 20, 2026 11.45 12.25 12.25 0 0 0 44.00 0 0.38 0.38 0 0 0
February 20, 2026 10.55 11.25 11.25 0 0 0 45.00 0.01 0.20 0.20 0 0 0
February 20, 2026 9.55 10.25 10.25 0 0 0 46.00 0.01 0.40 0.40 0 0 0
February 20, 2026 8.55 9.25 9.25 0 0 0 47.00 0.01 0.41 0.41 0 0 0
February 20, 2026 7.55 8.30 8.30 0 0 0 48.00 0.01 0.29 0.29 0 0 0
February 20, 2026 6.55 7.35 7.35 0 0 0 49.00 0.01 0.31 0.31 0 0 0
February 20, 2026 5.55 6.30 6.30 0 0 0 50.00 0.01 0.34 0.34 0 0 0
February 20, 2026 3.90 4.55 4.55 0 4 0 52.00 0.14 0.50 0.50 0 0 0
February 20, 2026 2.20 2.90 2.90 0 4 0 54.00 0.50 0.80 0.80 0 0 0
February 20, 2026 1.10 1.40 1.40 0 16 0 56.00 1.20 1.60 1.60 0 1 0
February 20, 2026 0.33 0.65 0.65 0 0 0 58.00 2.25 2.90 2.90 0 0 0
February 20, 2026 0.01 0.49 0.49 0 0 0 60.00 4.00 4.65 4.65 0 0 0
February 20, 2026 0.01 0.27 0.27 0 0 0 62.00 5.90 6.65 6.65 0 0 0
February 20, 2026 0 0.26 0.26 0 0 0 64.00 7.90 8.65 8.65 0 0 0
March 20, 2026 15.40 16.30 16.30 0 0 0 40.00 0 0.49 0.49 0 0 0
March 20, 2026 11.45 12.35 12.35 0 0 0 44.00 0.01 0.29 0.29 0 0 0
March 20, 2026 10.50 11.30 11.30 0 0 0 45.00 0.01 0.30 0.30 0 0 0
March 20, 2026 9.50 10.35 10.35 0 0 0 46.00 0.01 0.32 0.32 0 2 0
March 20, 2026 8.50 9.35 9.35 0 0 0 47.00 0.01 0.35 0.35 0 0 0
March 20, 2026 7.50 8.40 8.40 0 0 0 48.00 0.01 0.49 0.49 0 6 0
March 20, 2026 6.60 7.40 7.40 0 0 0 49.00 0.04 0.49 0.49 0 0 0
March 20, 2026 5.60 6.45 6.45 0 7 0 50.00 0.11 0.50 0.50 0 1 0
March 20, 2026 4.00 4.65 4.65 0 0 0 52.00 0.36 0.80 0.80 0 3 0
March 20, 2026 2.45 3.05 3.05 0 0 0 54.00 0.90 1.30 1.30 0 0 0
March 20, 2026 1.90 2.30 2.30 0 11 0 55.00 1.25 1.70 1.70 0 0 0
March 20, 2026 1.35 1.70 1.70 0 0 0 56.00 1.75 2.10 2.10 0 0 0
March 20, 2026 0.50 0.90 0.90 0 0 0 58.00 2.80 3.45 3.45 0 0 0
March 20, 2026 0.10 0.49 0.49 0 0 0 60.00 4.45 5.05 5.05 0 0 0
March 20, 2026 0.01 0.33 0.33 0 0 0 62.00 6.15 7.05 7.05 0 0 0
March 20, 2026 0 0.27 0.27 0 0 0 64.00 8.05 9.00 9.00 0 0 0
March 20, 2026 0 0.27 0.27 0 0 0 70.00 14.05 14.95 14.95 0 0 0
April 17, 2026 8.50 9.45 9.45 0 0 0 47.00 0.01 0.43 0.43 0 0 0
April 17, 2026 7.60 8.50 8.50 0 0 0 48.00 0.10 0.50 0.50 0 0 0
April 17, 2026 6.60 7.55 7.55 0 10 0 49.00 0.11 0.55 0.55 0 0 0
April 17, 2026 5.70 6.70 6.70 0 0 0 50.00 0.21 0.65 0.65 0 0 0
April 17, 2026 4.15 4.85 4.85 0 0 0 52.00 0.55 1.00 1.00 0 0 0
April 17, 2026 2.65 3.30 3.30 0 0 0 54.00 1.10 1.50 1.50 0 0 0
April 17, 2026 1.60 2.00 2.00 0 0 0 56.00 1.95 2.40 2.40 0 0 0
April 17, 2026 0.75 1.20 1.20 0 0 0 58.00 3.05 3.65 3.65 0 0 0
April 17, 2026 0.21 0.65 0.65 0 0 0 60.00 4.55 5.15 5.15 0 0 0
April 17, 2026 0.01 0.39 0.39 0 0 0 62.00 6.10 7.10 7.10 0 0 0
April 17, 2026 0.01 0.29 0.29 0 0 0 64.00 8.05 9.05 9.05 0 0 0
May 15, 2026 8.65 9.65 9.65 0 0 0 47.00 0.10 0.50 0.50 0 0 0
May 15, 2026 7.65 8.70 8.70 0 0 0 48.00 0.20 0.60 0.60 0 0 0
May 15, 2026 6.75 7.80 7.80 0 0 0 49.00 0.30 0.70 0.70 0 0 0
May 15, 2026 5.85 6.90 6.90 0 0 0 50.00 0.40 0.80 0.80 0 0 0
May 15, 2026 4.35 5.05 5.05 0 0 0 52.00 0.75 1.20 1.20 0 0 0
May 15, 2026 2.95 3.65 3.65 0 0 0 54.00 1.35 1.80 1.80 0 0 0
May 15, 2026 1.90 2.35 2.35 0 0 0 56.00 2.15 2.65 2.65 0 0 0
May 15, 2026 1.00 1.45 1.45 0 0 0 58.00 3.25 3.85 3.85 0 0 0
May 15, 2026 0.44 0.90 0.90 0 0 0 60.00 4.70 5.35 5.35 0 0 0
May 15, 2026 0.11 0.55 0.55 0 0 0 62.00 6.20 7.25 7.25 0 0 0
May 15, 2026 0.01 0.38 0.38 0 0 0 64.00 8.10 9.10 9.10 0 0 0
June 19, 2026 15.25 16.50 16.50 0 0 0 40.00 0.01 0.34 0.34 0 0 0
June 19, 2026 11.30 12.55 12.55 0 0 0 44.00 0.10 0.47 0.47 0 0 0
June 19, 2026 10.40 11.60 11.60 0 12 0 45.00 0.10 0.50 0.50 0 2 0
June 19, 2026 9.55 10.65 10.65 0 0 0 46.00 0.20 0.55 0.55 0 0 0
June 19, 2026 7.70 8.75 8.75 0 0 0 48.00 0.30 0.75 0.75 0 0 0
June 19, 2026 6.85 7.85 7.85 0 0 0 49.00 0.41 0.90 0.90 0 0 0
June 19, 2026 5.95 7.05 7.05 0 4 0 50.00 0.60 1.05 1.05 0 5 0
June 19, 2026 4.55 5.25 5.25 0 0 0 52.00 1.05 1.50 1.50 0 0 0
June 19, 2026 3.15 3.85 3.85 0 0 0 54.00 1.70 2.15 2.15 0 0 0
June 19, 2026 2.55 3.25 3.25 0 4 0 55.00 2.10 2.60 2.60 0 0 0
June 19, 2026 2.10 2.55 2.55 0 0 0 56.00 2.50 3.15 3.15 0 0 0
June 19, 2026 1.20 1.70 1.70 0 0 0 58.00 3.65 4.35 4.35 0 0 0
June 19, 2026 0.60 1.05 1.05 0 0 0 60.00 5.05 5.70 5.70 0 0 0
June 19, 2026 0.21 0.65 0.65 0 0 0 62.00 6.55 7.45 7.45 0 0 0
June 19, 2026 0.01 0.48 0.48 0 0 0 64.00 8.20 9.25 9.25 0 0 0
June 19, 2026 0.01 0.41 0.41 0 0 0 65.00 9.20 10.15 10.15 0 0 0
June 19, 2026 0 0.29 0.29 0 0 0 70.00 13.95 15.25 15.25 0 0 0
September 18, 2026 15.10 16.75 16.75 0 0 0 40.00 0.10 0.50 0.50 0 10 0
September 18, 2026 11.25 12.85 12.85 0 1 0 44.00 0.30 0.65 0.65 0 0 0
September 18, 2026 10.30 11.90 11.90 0 2 0 45.00 0.40 0.75 0.75 0 0 0
September 18, 2026 9.75 10.70 10.70 0 0 0 46.00 0.50 0.85 0.85 0 0 0
September 18, 2026 7.95 8.95 8.95 0 0 0 48.00 0.70 1.15 1.15 0 3 0
September 18, 2026 6.35 7.30 7.30 0 2 0 50.00 1.10 1.55 1.55 0 0 0
September 18, 2026 3.10 3.70 3.70 0 7 0 55.00 2.65 3.30 3.30 0 0 0
September 18, 2026 1.20 1.55 1.55 0 5 0 60.00 5.35 6.45 6.45 0 0 0
September 18, 2026 0.20 0.65 0.65 0 0 0 65.00 9.60 10.45 10.45 0 0 0
September 18, 2026 0.01 0.35 0.35 0 0 0 70.00 13.95 15.50 15.50 0 0 0
December 18, 2026 10.45 12.10 12.10 0 0 0 45.00 0.70 1.00 1.00 0 0 0
December 18, 2026 8.20 9.15 9.15 0 0 0 48.00 1.10 1.50 1.50 0 0 0
December 18, 2026 6.60 7.55 7.55 0 0 0 50.00 1.50 1.95 1.95 0 2 0
December 18, 2026 3.60 4.10 4.10 -0.40 0 2 55.00 3.20 3.85 3.85 0 0 0
December 18, 2026 1.60 1.95 1.95 0 0 0 60.00 5.85 6.95 6.95 0 0 0
December 18, 2026 0.50 0.90 0.90 0 0 0 65.00 9.75 10.75 10.75 0 0 0
December 18, 2026 0.01 0.46 0.46 0 0 0 70.00 13.80 15.20 15.20 0 0 0

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