TAC (TransAlta Corporation)
Expected Move & Straddle Price History
The expected move for TAC is derived from at-the-money straddle pricing — the market's implied one-standard-deviation move through the next 30 days. Comparing it to realized moves reveals when options are pricing in too much (premium-selling regime) vs too little (premium-buying regime).
Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.
Current TAC Expected Move
30-Day Straddle
$1.65
7-Day Straddle
$1.02
Avg IV
1.1%
IV Rank
14%
Implied one-standard-deviation move through the next 30 days. Compare to TAC's realized
move over the same window to gauge whether options are pricing in too much (premium-selling regime)
or too little (premium-buying regime). The
Expected Move Tracker ranks every symbol by
this measure.
TAC Straddle Price — Last 60 Days
| Date | 30D Straddle | 7D Straddle | Avg IV | IV Rank |
|---|---|---|---|---|
| 20260604 | $1.65 | $1.02 | 1.1% | 14% |
| 20260603 | $2.02 | $1.20 | 1.0% | 9% |
| 20260602 | $1.38 | $1.38 | 1.5% | 42% |
| 20260601 | $1.20 | $1.20 | 1.4% | 34% |
| 20260529 | $1.25 | $1.25 | 1.4% | 38% |
| 20260528 | $1.27 | $1.27 | 1.3% | 33% |
| 20260527 | $1.35 | $1.35 | 1.4% | 38% |
| 20260526 | $1.38 | $1.38 | 1.3% | 33% |
| 20260522 | $1.45 | $1.45 | 1.2% | 28% |
| 20260521 | $1.35 | $1.35 | 1.2% | 28% |
| 20260520 | $1.50 | $1.50 | 1.1% | 22% |
| 20260519 | $1.35 | $1.35 | 1.2% | 29% |
| 20260518 | $1.62 | $1.62 | 1.2% | 30% |
| 20260515 | $1.48 | $0.23 | 1.0% | 19% |
| 20260514 | $1.40 | $0.30 | 1.1% | 20% |
| 20260513 | $1.62 | $0.60 | 1.0% | 19% |
| 20260512 | $1.50 | $0.60 | 1.0% | 15% |
| 20260511 | $1.68 | $0.70 | 0.9% | 10% |
| 20260510 | $1.68 | $0.95 | 1.2% | 28% |
| 20260508 | $1.60 | $0.68 | 0.9% | 12% |
| 20260507 | $1.65 | $0.75 | 0.9% | 14% |
| 20260506 | $1.55 | $0.93 | 1.0% | 16% |
| 20260505 | $1.90 | $1.23 | 1.0% | 16% |
| 20260504 | $1.80 | $1.15 | 0.9% | 13% |
| 20260502 | $1.20 | $1.20 | 2.1% | 86% |
| 20260501 | $1.38 | $1.38 | 1.9% | 70% |
| 20260430 | $1.07 | $1.07 | 2.0% | 79% |
| 20260429 | $1.43 | $1.43 | 2.4% | 100% |
| 20260428 | $1.40 | $1.40 | 1.8% | 75% |
| 20260427 | $1.32 | $1.32 | 1.7% | 72% |
| 20260424 | $1.47 | $1.47 | 1.9% | 85% |
| 20260423 | $1.35 | $1.35 | 2.1% | 100% |
| 20260422 | $1.30 | $1.30 | 1.8% | 77% |
| 20260421 | $1.35 | $1.35 | 2.1% | 100% |
| 20260420 | $1.40 | $1.40 | 1.5% | 67% |
| 20260417 | $1.42 | $0.45 | 2.0% | 100% |
| 20260416 | $1.83 | $0.68 | 1.5% | 76% |
| 20260415 | $2.10 | $0.45 | 1.5% | 78% |
| 20260414 | $1.70 | $0.78 | 1.7% | 94% |
| 20260413 | $1.70 | $0.75 | 1.8% | 100% |
| 20260410 | $1.73 | $0.90 | 1.3% | 48% |
| 20260409 | $1.85 | $0.85 | 1.5% | 62% |
| 20260408 | $1.75 | $1.00 | 1.3% | 46% |
| 20260407 | $1.95 | $1.15 | 1.4% | 56% |
| 20260406 | $1.62 | $1.15 | 1.3% | 45% |
| 20260402 | $2.50 | $1.23 | 1.2% | 37% |
| 20260401 | $1.27 | $1.27 | 1.1% | 30% |
| 20260331 | $1.30 | $1.30 | 1.1% | 34% |
| 20260330 | $1.20 | $1.20 | 1.3% | 47% |
| 20260327 | $1.23 | $1.23 | 1.1% | 30% |
| 20260326 | $1.32 | $1.32 | 1.2% | 40% |
| 20260325 | $1.27 | $1.27 | 1.1% | 28% |
| 20260324 | $1.30 | $1.30 | 1.1% | 32% |
| 20260323 | $1.23 | $1.23 | 1.0% | 26% |
| 20260320 | $1.23 | $0.35 | 1.1% | 28% |
| 20260319 | $1.43 | $0.50 | 1.1% | 28% |
| 20260318 | $1.80 | $0.75 | 1.2% | 36% |
| 20260317 | $1.65 | $0.62 | 0.9% | 12% |
| 20260316 | $1.60 | $0.72 | 1.0% | 23% |
| 20260313 | $2.23 | $0.85 | 1.1% | 30% |