STRO · Expected Move
Sutro Biopharma, Inc.
The expected move for STRO 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).
STRO straddle price & implied vol
60 sessionsBars: at-the-money straddle price (30-day and 7-day) — the market's priced move. Line: 30-day at-the-money implied volatility (right axis).
Current STRO Expected Move
30-Day Straddle
$4.88
7-Day Straddle
$4.70
30-Day ATM IV
178.6%
IV Rank
92%
Implied one-standard-deviation move through the next 30 days. Compare to STRO'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.
STRO Straddle Price — Last 60 Days
| Date | 30D Straddle | 7D Straddle | ATM IV | IV Rank |
|---|---|---|---|---|
| 20261016 | $4.88 | $4.70 | 178.6% | 92% |
| 20261015 | $5.75 | $4.88 | 185.8% | 100% |
| 20261014 | $3.58 | $4.95 | — | — |
| 20261013 | $6.10 | $5.70 | — | — |
| 20261012 | $5.05 | $4.10 | 112.6% | 28% |
| 20261009 | $5.05 | $4.10 | 118.1% | 38% |
| 20261008 | $5.20 | $4.20 | 121.6% | 45% |
| 20261007 | $5.00 | $4.30 | 120.3% | 42% |
| 20261006 | $5.33 | $3.12 | 130.5% | 61% |
| 20261005 | $5.75 | $4.55 | 152.3% | 100% |
| 20261002 | $4.55 | $4.55 | 123.4% | 48% |
| 20261001 | $4.75 | $4.75 | 117.7% | 38% |
| 20260930 | $4.70 | $4.70 | 128.1% | 56% |
| 20260929 | $4.83 | $4.83 | 135.7% | 70% |
| 20260928 | $2.95 | $2.95 | 96.8% | 0% |
| 20260925 | $4.90 | $4.90 | 143.4% | 83% |
| 20260924 | $5.00 | $5.00 | 117.4% | 36% |
| 20260923 | $5.10 | $5.10 | 128.2% | 55% |
| 20260922 | $5.08 | $5.08 | 144.3% | 85% |
| 20260921 | $4.90 | $4.90 | 141.0% | 79% |
| 20260918 | $5.15 | $2.17 | 152.5% | 100% |
| 20260917 | $5.47 | $2.48 | 132.1% | 69% |
| 20260916 | $5.05 | $2.67 | 108.9% | 22% |
| 20260915 | $5.20 | $3.20 | 127.1% | 59% |
| 20260914 | $5.40 | $4.65 | 126.7% | 58% |
| 20260911 | $5.40 | $3.65 | 126.4% | 57% |
| 20260910 | $5.67 | $4.72 | 130.9% | 66% |
| 20260909 | $5.90 | $3.40 | 110.5% | 25% |
| 20260908 | $6.35 | $3.88 | 128.9% | 62% |
| 20260904 | $5.25 | $5.38 | 108.1% | 20% |
| 20260903 | $5.40 | $5.05 | 112.2% | 29% |
| 20260902 | $4.22 | $4.22 | 108.7% | 22% |
| 20260901 | $4.95 | $4.95 | 113.2% | 31% |
| 20260831 | $3.50 | $3.50 | 109.5% | 23% |
| 20260828 | $6.12 | $6.12 | 112.9% | 30% |
| 20260827 | $4.75 | $4.75 | 126.9% | 58% |
| 20260826 | $5.97 | $5.97 | 114.6% | 33% |
| 20260825 | $4.70 | $4.70 | 98.0% | 0% |
| 20260824 | $3.85 | $3.85 | 104.9% | 3% |
| 20260821 | $4.95 | $5.05 | 113.2% | 21% |
| 20260820 | $6.00 | $3.00 | 115.8% | 27% |
| 20260819 | $5.70 | $2.85 | 111.8% | 18% |
| 20260818 | $5.60 | $4.35 | 106.0% | 5% |
| 20260817 | $6.43 | $4.50 | 121.2% | 40% |
| 20260814 | $5.20 | $3.40 | 109.4% | 13% |
| 20260813 | $6.15 | $5.15 | 123.4% | 45% |
| 20260812 | $7.05 | $5.70 | 124.1% | 46% |
| 20260811 | $9.03 | $5.45 | 144.6% | 93% |
| 20260810 | $9.25 | $6.15 | 144.5% | 93% |
| 20260807 | — | — | 136.3% | 74% |
| 20260806 | $9.40 | $5.75 | 136.5% | 75% |
| 20260805 | $6.05 | $6.05 | 138.3% | 79% |
| 20260804 | $5.95 | $5.95 | 138.1% | 78% |
| 20260803 | $6.80 | $6.80 | 144.5% | 93% |
| 20260731 | $6.90 | $6.90 | 144.9% | 94% |
| 20260730 | $7.20 | $7.20 | 140.9% | 84% |
| 20260729 | $6.70 | $6.70 | 137.3% | 76% |
| 20260728 | $6.85 | $6.85 | 138.9% | 80% |
| 20260727 | $7.85 | $7.85 | 143.1% | 89% |
| 20260724 | $7.70 | $7.70 | 147.8% | 100% |
More on STRO
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.