CytomX Therapeutics, Inc. (CTMX) Most Active Options
The 11 most actively traded CytomX Therapeutics, Inc. (CTMX) 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 Aug 24, 2026, 3:55 PM ET · OPRA data 15 minutes delayed · For information only — not investment advice.
Most Active CTMX Contracts
| Contract | Expiration | DTE | Last | IV | IV rank (30d) | Delta | Open interest | Volume | vs 30d avg |
|---|---|---|---|---|---|---|---|---|---|
| CTMX $5 call | Jan 21, 2028 | 515d | $1.15 | — | 9 | — | 898 | 1,059 | 453.7× avg |
| CTMX $4 call | Sep 18, 2026 | 25d | $0.05 | — | 0 | — | 88 | 240 | 4.8× avg |
| CTMX $5 call | Nov 20, 2026 | 88d | $0.35 | — | 6 | — | 145 | 65 | 27.8× avg |
| CTMX $4 call | Oct 16, 2026 | 53d | $0.17 | 0.0% | 0 | 1.00 | 1 | 49 | 10.4× avg |
| CTMX $4 call | Jan 21, 2028 | 515d | $1.40 | — | 89 | — | 516 | 25 | 2.3× avg |
| CTMX $8 call | Nov 20, 2026 | 88d | $0.10 | — | 25 | — | 100 | 10 | 4.3× avg |
| CTMX $5 call | Jan 15, 2027 | 144d | $0.50 | — | 17 | — | 1,623 | 10 | 4.3× avg |
| CTMX $4 put | Sep 18, 2026 | 25d | $0.70 | — | 14 | — | 4,513 | 5 | 0.2× avg |
| CTMX $5 call | Feb 19, 2027 | 179d | $0.55 | — | — | — | 0 | 4 | — |
| CTMX $2 call | Feb 19, 2027 | 179d | $1.65 | — | 26 | — | 150 | 2 | 5.0× avg |
| CTMX $4 call | Feb 19, 2027 | 179d | $0.75 | — | 24 | — | 150 | 1 | 0.1× 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 CTMX contract today is the $5 call expiring in 515 days, with 1,059 contracts traded. Calls dominate the most-active list (10 of the top 11), showing where trading interest concentrates. One of these contracts is running well ahead of the usual daily volume.
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CTMX Options FAQ
Which CTMX option contract is most active today?
The most traded CTMX contract is the $5 call expiring Jan 21, 2028, with 1,059 contracts traded as of Aug 24, 2026.
How does OptiView rank the most active CTMX options?
The table lists the 11 CTMX 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.