CSTL (Castle Biosciences, Inc. Common Stock)
Expected Move & Straddle Price History
The expected move for CSTL 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 CSTL Expected Move
30-Day Straddle
$3.02
7-Day Straddle
$3.02
Avg IV
1.4%
IV Rank
60%
Implied one-standard-deviation move through the next 30 days. Compare to CSTL'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.
CSTL Straddle Price — Last 60 Days
| Date | 30D Straddle | 7D Straddle | Avg IV | IV Rank |
|---|---|---|---|---|
| 20260626 | $3.02 | $3.02 | 1.4% | 60% |
| 20260625 | $3.28 | $3.28 | 1.4% | 55% |
| 20260624 | $3.05 | $3.05 | 1.3% | 49% |
| 20260623 | $3.72 | $3.72 | 1.6% | 77% |
| 20260622 | $3.05 | $3.05 | 1.4% | 54% |
| 20260618 | $3.70 | $2.02 | 1.3% | 47% |
| 20260617 | $3.47 | $2.42 | 1.4% | 55% |
| 20260616 | $3.85 | $2.33 | 1.4% | 56% |
| 20260615 | $3.85 | $1.43 | 1.2% | 42% |
| 20260613 | $3.55 | $2.80 | 1.2% | 41% |
| 20260612 | $3.55 | $2.80 | 1.2% | 41% |
| 20260611 | $4.15 | $3.12 | 1.2% | 39% |
| 20260610 | $4.18 | $2.95 | 1.2% | 44% |
| 20260609 | $3.67 | $3.15 | 1.2% | 42% |
| 20260608 | $3.90 | $2.88 | 1.1% | 25% |
| 20260605 | $4.35 | $2.83 | 1.2% | 39% |
| 20260604 | $3.88 | $2.30 | 1.1% | 33% |
| 20260603 | $4.30 | $2.83 | 1.1% | 37% |
| 20260602 | $2.45 | $2.45 | 1.8% | 100% |
| 20260601 | $3.58 | $3.58 | 1.4% | 66% |
| 20260529 | $3.20 | $3.20 | 1.4% | 61% |
| 20260528 | $3.00 | $3.00 | 1.0% | 28% |
| 20260527 | $3.45 | $3.45 | 1.1% | 36% |
| 20260526 | $3.38 | $3.38 | 1.3% | 53% |
| 20260522 | $3.12 | $3.12 | 1.2% | 53% |
| 20260521 | $3.50 | $3.50 | 0.9% | 25% |
| 20260520 | $3.08 | $3.08 | 0.9% | 30% |
| 20260519 | $3.55 | $3.55 | 1.1% | 41% |
| 20260518 | $3.53 | $3.53 | 1.3% | 57% |
| 20260515 | $3.67 | $1.82 | 1.0% | 30% |
| 20260514 | $3.58 | $2.25 | 1.1% | 40% |
| 20260513 | $3.30 | $1.98 | 1.0% | 35% |
| 20260512 | $4.05 | $2.30 | 1.0% | 37% |
| 20260511 | $4.22 | $2.17 | 1.1% | 44% |
| 20260510 | $4.40 | $2.67 | 0.9% | 29% |
| 20260508 | $4.40 | $2.67 | 0.9% | 20% |
| 20260507 | $3.83 | $2.42 | 0.8% | 16% |
| 20260506 | $5.15 | $5.88 | 1.1% | 28% |
| 20260505 | $4.78 | $4.17 | 0.9% | 19% |
| 20260504 | $4.70 | $3.55 | 0.8% | 15% |
| 20260502 | $4.30 | $4.30 | 1.3% | 36% |
| 20260501 | $4.30 | $4.30 | 1.3% | 36% |
| 20260430 | $4.10 | $4.10 | 1.3% | 38% |
| 20260429 | $4.17 | $4.17 | 1.2% | 34% |
| 20260428 | $4.38 | $4.38 | 1.1% | 30% |
| 20260427 | $4.60 | $4.60 | 1.2% | 33% |
| 20260424 | $4.35 | $4.35 | 1.1% | 29% |
| 20260423 | $3.85 | $3.85 | 1.1% | 27% |
| 20260422 | $4.60 | $4.60 | 0.9% | 21% |
| 20260421 | $4.35 | $4.35 | 0.9% | 22% |
| 20260420 | $4.40 | $4.40 | 0.9% | 19% |
| 20260417 | $5.03 | $1.20 | 0.9% | 20% |
| 20260416 | $4.80 | $2.30 | 1.1% | 27% |
| 20260415 | $5.22 | $1.18 | 1.1% | 27% |
| 20260414 | $4.43 | $1.00 | 1.0% | 24% |
| 20260413 | $4.32 | $1.80 | 0.9% | 19% |
| 20260410 | $3.93 | $2.20 | 0.8% | 15% |
| 20260409 | $4.78 | $2.95 | 1.0% | 23% |
| 20260408 | $4.93 | $1.00 | 0.9% | 20% |
| 20260407 | $5.53 | $2.67 | 0.9% | 20% |