# Quote for CTMX (CYTOMX THERAPEUTICS INC. COMMO) > CTMX stock quote with implied and historical volatility, option volume and open interest, and the best option strategy candidates for CTMX. Quote as of Nov 13, 2026 (end of day). | Field | Value | |---|---| | Last | 2.04 | | Change | +0.00 | | Open | 2.02 | | Previous | 2.04 | | High | 2.13 | | Low | 1.96 | | Bid | - | | Ask | - | | Volume | 2,724,696 | | Trades | - | | Dividend | - | | Yield | - | | Ex-Div | - | | Split Date | - | | Impl Vol | 148.9% | | Hist Vol | 80.9% | | Opt Volume | 776 | | Open Int | 23,834 | ## Option strategies The best candidates for CTMX from each strategy screener. **Data is delayed** from Oct 23, 2026. [Subscribe](https://www.optionistics.com/subscribe) to get the latest end-of-day data. ### Calendar Put Spreads | Short | Long | Debit | Months | |---|---|---|---| | [Nov 20 '26 4.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20261120P00004000) | [Jan 15 '27 4.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20270115P00004000) | 0.70 | 2 | | [Nov 20 '26 4.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20261120P00004000) | [Jan 21 '28 4.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20280121P00004000) | -0.23 | 14 | | [Jan 15 '27 1.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20270115P00001000) | [Jan 21 '28 1.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20280121P00001000) | -0.15 | 12 | | [Nov 20 '26 3.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20261120P00003000) | [Jan 15 '27 3.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20270115P00003000) | 0.04 | 2 | | [Nov 20 '26 2.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20261120P00002000) | [Jan 21 '28 2.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20280121P00002000) | -0.50 | 14 | | [Nov 20 '26 3.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20261120P00003000) | [Feb 19 '27 3.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20270219P00003000) | -0.06 | 3 | | [Nov 20 '26 2.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20261120P00002000) | [May 21 '27 2.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20270521P00002000) | -0.33 | 6 | | [Nov 20 '26 4.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20261120P00004000) | [Dec 18 '26 4.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20261218P00004000) | -0.01 | 1 | | [Dec 18 '26 4.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20261218P00004000) | [Jan 15 '27 4.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20270115P00004000) | 0.71 | 1 | | [Dec 18 '26 4.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20261218P00004000) | [Jan 21 '28 4.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20280121P00004000) | -0.22 | 13 | | [Nov 20 '26 2.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20261120P00002000) | [Jan 15 '27 2.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20270115P00002000) | -0.15 | 2 | | [Nov 20 '26 3.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20261120P00003000) | [Jan 21 '28 3.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20280121P00003000) | -0.48 | 14 | | [Jan 15 '27 1.50](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20270115P00001500) | [Jan 21 '28 1.50](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20280121P00001500) | -0.30 | 12 | | [Jan 15 '27 2.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20270115P00002000) | [Jan 21 '28 2.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20280121P00002000) | -0.35 | 12 | | [Jan 15 '27 2.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20270115P00002000) | [May 21 '27 2.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20270521P00002000) | -0.18 | 4 | | [May 21 '27 2.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20270521P00002000) | [Jan 21 '28 2.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20280121P00002000) | -0.17 | 8 | | [Jan 15 '27 4.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20270115P00004000) | [Jan 21 '28 4.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20280121P00004000) | -0.93 | 12 | | [Jan 15 '27 3.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20270115P00003000) | [Feb 19 '27 3.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20270219P00003000) | -0.10 | 1 | | [Feb 19 '27 3.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20270219P00003000) | [Jan 21 '28 3.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20280121P00003000) | -0.42 | 11 | | [Jan 15 '27 3.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20270115P00003000) | [Jan 21 '28 3.00](https://www.optionistics.com/quotes/option-prices.md?optsym=CTMX%20%20280121P00003000) | -0.52 | 12 | All candidates: [Calendar Put Spreads screener](https://www.optionistics.com/screener/calendar-put-spreads/CTMX.md) ## More for CTMX - [Quote](https://www.optionistics.com/quotes/stock-quotes/CTMX.md) - [Option chain](https://www.optionistics.com/quotes/stock-option-chains/CTMX.md) - [Price history](https://www.optionistics.com/quotes/stock-prices/CTMX.md) - [10 day snapshot](https://www.optionistics.com/snapshot.md?symbol=CTMX) - [Strike Pegger (max pain)](https://www.optionistics.com/quotes/strike-pegger/CTMX.md) - [Volatility skew](https://www.optionistics.com/screener/volatility-skew/CTMX.md) - [Put/call ratio](https://www.optionistics.com/screener/put-call-ratio/CTMX.md) - [Trade finder](https://www.optionistics.com/screener/stock-trade-finder/CTMX.md) --- From [Optionistics](https://www.optionistics.com), options analytics since 2005. Site map for AI agents: https://www.optionistics.com/llms.txt