Pre-market
⌘K
Sign in Sign up

TransAlta Corporation TAC 13.12 -0.22 -1.65%

Previous-day view · Thu Nov 5 close. You are previewing the previous trading day. Subscribe to see today live and every other date — Trader is $59/mo. Sign up Sign in
Group
Window
Scale
Plotted 3/8
Metric library

Volatility

Interactive timeline

TAC / Comparative study

3 signals / 490 sessions
Window statistics

Signal snapshot

Current value vs. selected history
IV Rank z 3.46
50.48
Mean
15.12
Window
+2205.0%
ATM IV z 0.60
0.56
Mean
0.5
Window
+49.1%
IV Percentile z 0.77
76.42
Mean
56.01
Window
+51.0%
Relationship matrix

Correlation

Pearson r
Signal IV Rank ATM IV IV Percent...
IV Rank 1.00 0.77 0.60
ATM IV 0.77 1.00 0.76
IV Percent... 0.60 0.76 1.00
Source observations

Data inspector

1-50 of 490
  • 1 / 10
Date Close IV Rank ATM IV IV Percentile
2026-11-05 13.12 50.48 0.56 76.42
2026-11-04 13.34 6.51 0.43 9.41
2026-11-03 13.21 8.05 0.45 15.29
2026-11-02 12.77 11.33 0.49 30.71
2026-10-30 12.98 13.95 0.52 54.33
2026-10-29 13.21 13.83 0.52 52.96
2026-10-28 13.07 13.75 0.52 52.78
2026-10-27 12.87 23.9 0.66 95.24
2026-10-26 12.27 20.21 0.61 90.84
2026-10-23 12.22 16.55 0.56 73.41
2026-10-22 12.51 16.03 0.55 70.63
2026-10-21 13.34 14.47 0.53 58.33
2026-10-20 12.97 9.06 0.46 19.44
2026-10-19 13 10.18 0.48 23.9
2026-10-15 12.66 12.28 0.5 42.46
2026-10-14 12.66 9.78 0.47 21.03
2026-10-13 13.22 13.1 0.51 45.24
2026-10-12 13 9.74 0.47 20.72
2026-10-09 13.13 12.68 0.51 42.46
2026-10-08 12.89 8.57 0.45 17.46
2026-10-07 12.88 9.81 0.47 21.03
2026-10-06 13.12 15.3 0.54 63.49
2026-10-05 12.47 10.3 0.48 22.71
2026-10-02 12.35 11.54 0.49 28.97
2026-10-01 12.22 9.72 0.47 19.84
2026-09-30 12.08 7.88 0.44 15.08
2026-09-29 11.79 4.62 0.4 5.56
2026-09-28 11.81 6.19 0.42 8.76
2026-09-25 11.53 1.34 0.36 1.59
2026-09-24 11.77 5.63 0.42 7.17
2026-09-23 11.95 6.82 0.43 9.16
2026-09-22 11.93 3.35 0.39 3.59
2026-09-21 12.31 6.53 0.43 7.6
2026-09-18 12.22 2.11 0.37 2.39
2026-09-17 12.29 3.7 0.39 3.19
2026-09-16 11.95 11.65 0.49 35.86
2026-09-15 11.5 1.67 0.36 1.99
2026-09-14 11.79 0.74 0.35 0.8
2026-09-11 12.08 0.64 0.35 0.4
2026-09-10 12.18 2.37 0.37 1.2
2026-09-09 12.35 1.51 0.36 0.8
2026-09-08 12.41 1.16 0.36 0.4
2026-09-04 11.96 4.97 0.41 3.98
2026-09-03 11.81 12.19 0.5 37.85
2026-09-02 11.84 12.04 0.5 37.85
2026-09-01 11.77 11.63 0.49 36.4
2026-08-31 12.09 8.76 0.46 14.86
2026-08-28 12.19 7.56 0.43 9.2
2026-08-27 12.5 5.41 0.41 5.2
2026-08-26 12.64 6.24 0.42 7.6