PROTHENA CORP PUBLIC LTD CO (PRTA) Most Active Options
The 7 most actively traded PROTHENA CORP PUBLIC LTD CO (PRTA) option contracts at the latest daily snapshot, ranked by volume. Each row shows the contract's price, implied volatility, delta, open interest, and how today's volume compares with its own 30-day average — click a contract to analyze it in the OptiView platform.
Data as of Oct 9, 2026, 3:55 PM ET · OPRA data 15 minutes delayed · For information only — not investment advice.
Most Active PRTA Contracts
| Contract | Expiration | DTE | Last | IV | IV rank (30d) | Delta | Open interest | Volume | vs 30d avg |
|---|---|---|---|---|---|---|---|---|---|
| PRTA $8 call | Mar 19, 2027 | 161d | $2.15 | 103.9% | 66 | 0.70 | 116 | 50 | 19.6× avg |
| PRTA $10 call | Oct 16, 2026 | 7d | $0.05 | 89.8% | 0 | 0.18 | 41 | 47 | 3.9× avg |
| PRTA $9 call | Oct 16, 2026 | 7d | $0.40 | 70.3% | 0 | 0.45 | 127 | 10 | 2.7× avg |
| PRTA $10 call | Nov 20, 2026 | 42d | $0.25 | 61.8% | 15 | 0.32 | 35 | 9 | 2.1× avg |
| PRTA $11 call | Jan 15, 2027 | 98d | $0.40 | 53.2% | 0 | 0.27 | 35 | 5 | 11.5× avg |
| PRTA $10 call | Dec 18, 2026 | 70d | $0.50 | 89.3% | 35 | 0.46 | 89 | 1 | 0.2× avg |
| PRTA $8 call | Jan 15, 2027 | 98d | $2.00 | 59.2% | 23 | 0.70 | 3 | 1 | 0.4× avg |
Ranked by volume at the latest daily snapshot. "vs 30d avg" compares today's volume with the contract's own 30-day average.
The most active PRTA contract today is the $8 call expiring in 161 days, with 50 contracts traded. Calls dominate the most-active list (7 of the top 7), showing where trading interest concentrates.
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PRTA Options FAQ
Which PRTA option contract is most active today?
The most traded PRTA contract is the $8 call expiring Mar 19, 2027, with 50 contracts traded as of Oct 9, 2026.
How does OptiView rank the most active PRTA options?
The table lists the 7 PRTA contracts with the highest volume at the latest daily snapshot, alongside price, implied volatility, delta, open interest, and each contract's volume versus its own 30-day average.
Methodology. IV rank compares the current 30-day at-the-money implied volatility with its highest and lowest values over the past 52 weeks. Max pain is the strike that minimizes the total payout to option holders at expiration. The call and put walls are the strikes carrying the largest call and put open interest across all expirations. Net gamma exposure (GEX) is measured from the dealer perspective. All statistics are derived from delayed OPRA options data.
Options trading involves significant risk, and losses can exceed your initial investment. Always consult a licensed financial professional before making investment decisions. OptiView does not provide financial advice; all figures on this page are descriptive statistics, not recommendations.