ZBIO (Zenas BioPharma, Inc. Common Stock)
Expected Move & Straddle Price History
The expected move for ZBIO 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 ZBIO Expected Move
30-Day Straddle
$4.75
7-Day Straddle
$3.58
Avg IV
1.2%
IV Rank
12%
Implied one-standard-deviation move through the next 30 days. Compare to ZBIO'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.
ZBIO Straddle Price — Last 60 Days
| Date | 30D Straddle | 7D Straddle | Avg IV | IV Rank |
|---|---|---|---|---|
| 20260612 | $4.75 | $3.58 | 1.2% | 12% |
| 20260611 | $5.10 | $1.95 | 1.5% | 33% |
| 20260610 | $5.12 | $3.45 | 1.6% | 38% |
| 20260609 | $5.03 | $3.45 | 1.2% | 16% |
| 20260608 | $5.08 | $3.55 | 1.4% | 25% |
| 20260605 | $5.05 | $3.50 | 1.5% | 28% |
| 20260604 | $4.58 | $3.25 | 1.4% | 27% |
| 20260603 | $4.88 | $3.55 | 1.2% | 11% |
| 20260602 | $3.90 | $3.90 | 1.6% | 35% |
| 20260601 | $3.12 | $3.12 | 1.3% | 20% |
| 20260529 | $3.05 | $3.05 | 1.3% | 17% |
| 20260528 | $2.35 | $2.35 | 1.3% | 18% |
| 20260527 | $3.45 | $3.45 | 1.3% | 19% |
| 20260526 | $3.85 | $3.85 | 1.3% | 21% |
| 20260522 | $4.68 | $4.68 | 1.1% | 9% |
| 20260521 | $4.58 | $4.58 | 1.1% | 6% |
| 20260520 | $5.15 | $5.15 | 1.1% | 9% |
| 20260519 | $4.33 | $4.33 | 1.1% | 10% |
| 20260518 | $5.12 | $5.12 | 1.2% | 12% |
| 20260515 | $5.47 | $1.32 | 1.1% | 10% |
| 20260514 | $5.20 | $1.05 | 1.1% | 7% |
| 20260513 | $5.05 | $1.02 | 1.1% | 6% |
| 20260512 | $5.08 | $1.65 | 1.1% | 8% |
| 20260511 | $5.25 | $2.35 | 1.1% | 8% |
| 20260510 | $5.05 | $3.35 | 1.1% | 9% |
| 20260508 | $5.05 | $3.35 | 1.1% | 9% |
| 20260507 | $5.80 | $2.08 | 1.2% | 14% |
| 20260506 | $6.28 | $2.12 | 1.0% | 2% |
| 20260505 | $6.25 | $2.83 | 1.0% | 2% |
| 20260504 | $6.12 | $4.20 | 1.0% | 0% |
| 20260502 | $3.95 | $3.95 | 2.7% | 98% |
| 20260501 | $3.95 | $3.95 | 2.6% | 91% |
| 20260430 | $3.80 | $3.80 | 2.5% | 85% |
| 20260429 | $3.28 | $3.28 | 1.9% | 50% |
| 20260428 | $3.42 | $3.42 | 2.3% | 76% |
| 20260427 | $3.38 | $3.38 | 2.2% | 73% |
| 20260424 | $4.25 | $4.25 | 2.0% | 57% |
| 20260423 | $3.45 | $3.45 | 2.2% | 68% |
| 20260422 | $4.80 | $4.80 | 2.1% | 67% |
| 20260421 | $5.12 | $5.12 | 2.1% | 66% |
| 20260420 | $3.62 | $3.62 | 2.1% | 66% |
| 20260417 | $4.22 | $4.95 | 1.7% | 43% |
| 20260416 | $5.30 | $4.90 | 1.7% | 44% |
| 20260415 | $4.68 | $1.48 | 1.7% | 38% |
| 20260414 | $5.62 | $4.90 | 1.8% | 47% |
| 20260413 | $5.35 | $4.22 | 1.6% | 38% |
| 20260410 | $5.70 | $4.70 | 1.5% | 31% |
| 20260409 | $6.03 | $3.08 | 1.7% | 42% |
| 20260408 | $6.05 | $2.52 | 1.6% | 35% |
| 20260407 | $5.53 | $4.95 | 1.5% | 28% |
| 20260406 | $5.68 | $4.10 | 1.5% | 30% |
| 20260402 | $6.25 | $5.05 | 1.5% | 31% |
| 20260401 | $4.78 | $4.78 | 1.4% | 26% |
| 20260331 | $4.05 | $4.05 | 1.4% | 22% |
| 20260330 | $3.73 | $3.73 | 1.7% | 42% |
| 20260327 | $3.55 | $3.55 | 1.4% | 22% |
| 20260326 | $5.70 | $5.70 | 1.9% | 51% |
| 20260325 | $5.25 | $5.25 | 1.3% | 19% |
| 20260324 | $5.15 | $5.15 | 1.3% | 16% |
| 20260323 | $4.97 | $4.97 | 1.3% | 17% |