PRTA · Expected Move
Prothena Corporation plc Ordinary Shares
The expected move for PRTA 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).
PRTA 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 PRTA Expected Move
30-Day Straddle
$1.32
7-Day Straddle
$8.07
30-Day ATM IV
—
IV Rank
—
Implied one-standard-deviation move through the next 30 days. Compare to PRTA'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.
PRTA Straddle Price — Last 60 Days
| Date | 30D Straddle | 7D Straddle | ATM IV | IV Rank |
|---|---|---|---|---|
| 20261111 | $1.32 | $8.07 | — | — |
| 20261110 | $3.20 | $2.70 | — | — |
| 20261109 | $2.00 | $2.75 | — | — |
| 20261106 | $1.00 | $1.95 | 137.0% | 84% |
| 20261105 | $2.27 | $2.80 | 103.0% | 53% |
| 20261104 | $2.98 | $2.98 | 153.9% | 100% |
| 20261103 | $1.70 | $1.70 | 69.6% | 26% |
| 20261102 | $2.05 | $2.05 | 105.9% | 65% |
| 20261030 | $1.25 | $1.25 | 73.9% | 30% |
| 20261029 | $1.18 | $1.18 | 60.5% | 16% |
| 20261028 | $1.80 | $1.80 | 75.3% | 32% |
| 20261027 | $1.48 | $1.48 | 77.2% | 34% |
| 20261026 | $1.10 | $1.10 | 75.3% | 32% |
| 20261023 | $3.35 | $3.35 | 82.7% | 40% |
| 20261022 | $2.85 | $2.85 | — | — |
| 20261021 | $1.45 | $1.45 | 107.0% | 66% |
| 20261020 | $2.83 | $2.83 | 88.4% | 46% |
| 20261019 | $1.33 | $1.33 | — | — |
| 20261016 | $1.12 | $1.82 | — | — |
| 20261015 | $1.32 | $1.00 | 60.5% | 16% |
| 20261014 | $1.70 | $0.57 | 59.7% | 15% |
| 20261013 | $1.30 | $0.68 | 66.3% | 22% |
| 20261012 | $3.02 | $1.00 | 72.1% | 28% |
| 20261009 | $2.12 | $2.73 | 62.6% | 18% |
| 20261008 | $1.48 | $1.45 | 56.5% | 11% |
| 20261007 | $1.32 | $0.68 | 70.0% | 26% |
| 20261006 | $1.25 | $0.70 | 61.5% | 17% |
| 20261005 | $1.83 | $0.82 | 75.3% | 32% |
| 20261002 | $1.68 | $1.68 | 70.8% | 27% |
| 20261001 | $0.90 | $0.90 | 65.4% | 21% |
| 20260930 | $0.97 | $0.97 | 77.5% | 34% |
| 20260929 | $1.00 | $1.00 | 59.9% | 15% |
| 20260928 | $0.95 | $0.95 | 87.8% | 45% |
| 20260925 | $0.98 | $0.98 | 79.0% | 36% |
| 20260924 | $2.75 | $2.75 | 74.2% | 31% |
| 20260923 | $1.00 | $1.00 | 54.2% | 9% |
| 20260922 | $1.17 | $1.17 | 63.1% | 19% |
| 20260921 | $2.02 | $2.02 | 87.1% | 45% |
| 20260918 | $1.78 | $0.97 | 80.5% | 38% |
| 20260917 | $2.25 | $0.93 | 67.4% | 19% |
| 20260916 | $5.10 | $0.67 | — | — |
| 20260915 | $4.40 | $2.48 | — | — |
| 20260914 | $1.27 | $0.62 | 66.5% | 18% |
| 20260911 | $1.68 | $0.78 | 81.9% | 31% |
| 20260910 | $1.27 | $0.85 | 60.3% | 12% |
| 20260909 | $1.48 | $0.72 | 58.6% | 11% |
| 20260908 | $1.93 | $1.15 | 66.9% | 18% |
| 20260904 | $4.20 | $2.62 | 78.6% | 28% |
| 20260903 | $1.65 | $0.77 | 55.6% | 8% |
| 20260902 | $1.65 | $1.65 | 60.6% | 13% |
| 20260901 | $0.85 | $0.85 | 46.0% | 0% |
| 20260831 | $0.85 | $0.85 | 50.7% | 4% |
| 20260828 | $2.65 | $2.65 | — | — |
| 20260827 | $0.95 | $0.95 | 55.2% | 8% |
| 20260826 | $0.90 | $0.90 | 46.6% | 0% |
| 20260825 | $0.95 | $0.95 | 56.5% | 7% |
| 20260824 | $1.10 | $1.10 | 52.0% | 3% |
| 20260821 | $2.85 | $1.35 | 75.3% | 23% |
| 20260820 | $1.17 | $0.47 | 57.5% | 8% |
| 20260819 | $1.00 | $0.70 | 52.1% | 2% |
More on PRTA
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.