# Calendar Put Spreads Screener — ISRG > Screen ISRG options for calendar put spreads using price, volume, moneyness, expiration, and volatility filters. Data as of Oct 20, 2026 (end of day). **Data is delayed**: the latest session is Nov 10, 2026. [Subscribe](https://www.optionistics.com/subscribe) to get the latest end-of-day data. Page 1, 100 rows per page. Filters: stock price 2 to 100,000, stock volume 1 to any, option volume 0 to any, moneyness -2 to 2 strikes. Change them with query parameters: `page`, `sortby` (ivoldiff), `direction` (asc, desc), `pxmin`/`pxmax` (stock price), `svmin`/`svmax` (stock volume), `ovmin`/`ovmax` (option volume), `mnmin`/`mnmax` (moneyness in strikes, -7 to 7), `expmin`/`expmax` (YYYY-MM), `nodups` (1, 0), `date` (an earlier session). Ivol columns are decimals (0.25 = 25%). | Stock | Stock Price | Leg 1 | IVol 1 | Price 1 | Volume 1 | Leg 2 | IVol 2 | Price 2 | Volume 2 | Net Debit | Spread Ratio | Net IVol | |---|---|---|---|---|---|---|---|---|---|---|---|---| | ISRG | 438.00 | [12-18 440.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20261218P00440000) | 0.385 | 30.70 | 29 | [02-19 440.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20270219P00440000) | 0.390 | 31.00 | 0 | -0.30 | 0.00 | 0.01 | | ISRG | 438.00 | [01-15 440.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20270115P00440000) | 0.353 | 34.20 | 2 | [03-19 440.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20270319P00440000) | 0.356 | 36.10 | 9 | -1.90 | 0.00 | 0.00 | | ISRG | 438.00 | [02-19 435.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20270219P00435000) | 0.356 | 38.00 | 0 | [04-16 435.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20270416P00435000) | 0.350 | 34.20 | 0 | 3.80 | 0.00 | -0.01 | | ISRG | 438.00 | [11-27 435.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20261127P00435000) | 0.398 | 24.20 | 3 | [01-15 435.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20270115P00435000) | 0.386 | 24.20 | 71 | 0.00 | 0.00 | -0.01 | | ISRG | 438.00 | [12-18 435.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20261218P00435000) | 0.387 | 28.20 | 3 | [02-19 435.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20270219P00435000) | 0.356 | 28.70 | 0 | -0.50 | 0.00 | -0.03 | | ISRG | 438.00 | [11-20 435.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20261120P00435000) | 0.434 | 22.50 | 38 | [01-15 435.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20270115P00435000) | 0.386 | 24.20 | 71 | -1.70 | 0.00 | -0.05 | | ISRG | 438.00 | [11-27 440.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20261127P00440000) | 0.412 | 27.90 | 1 | [01-15 440.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20270115P00440000) | 0.353 | 28.60 | 2 | -0.70 | 0.00 | -0.06 | | ISRG | 438.00 | [11-20 440.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20261120P00440000) | 0.434 | 25.40 | 18 | [01-15 440.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20270115P00440000) | 0.353 | 28.60 | 2 | -3.20 | 0.00 | -0.08 | | ISRG | 438.00 | [11-06 440.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20261106P00440000) | 0.548 | 25.00 | 2 | [01-15 440.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20270115P00440000) | 0.353 | 28.60 | 2 | -3.60 | 0.00 | -0.20 | | ISRG | 438.00 | [10-30 435.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20261030P00435000) | 0.631 | 18.10 | 21 | [12-18 435.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20261218P00435000) | 0.387 | 20.50 | 3 | -2.40 | 0.00 | -0.24 | | ISRG | 438.00 | [10-23 440.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20261023P00440000) | 1.019 | 18.30 | 75 | [12-18 440.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20261218P00440000) | 0.385 | 22.80 | 29 | -4.50 | 0.00 | -0.63 | | ISRG | 438.00 | [10-23 435.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20261023P00435000) | 1.049 | 15.40 | 315 | [12-18 435.00](https://www.optionistics.com/quotes/option-prices.md?optsym=ISRG%20%20261218P00435000) | 0.387 | 20.50 | 3 | -5.10 | 0.00 | -0.66 | ## Other strategies - [Expensive Calls](https://www.optionistics.com/screener/covered-calls/ISRG.md) - [Expensive Puts](https://www.optionistics.com/screener/covered-puts/ISRG.md) - [Cheap Calls](https://www.optionistics.com/screener/cheap-calls/ISRG.md) - [Cheap Puts](https://www.optionistics.com/screener/cheap-puts/ISRG.md) - [Short Straddles](https://www.optionistics.com/screener/straddles/ISRG.md) - [Long Straddles](https://www.optionistics.com/screener/long-straddles/ISRG.md) - [Short Strangles](https://www.optionistics.com/screener/strangles/ISRG.md) - [Long Strangles](https://www.optionistics.com/screener/long-strangles/ISRG.md) - [Bull Call Spreads](https://www.optionistics.com/screener/bull-call-spreads/ISRG.md) - [Bear Call Spreads](https://www.optionistics.com/screener/bear-call-spreads/ISRG.md) - [Bull Put Spreads](https://www.optionistics.com/screener/bull-put-spreads/ISRG.md) - [Bear Put Spreads](https://www.optionistics.com/screener/bear-put-spreads/ISRG.md) - [Calendar Call Spreads](https://www.optionistics.com/screener/calendar-call-spreads/ISRG.md) - [Diagonal Call Spreads](https://www.optionistics.com/screener/diagonal-call-spreads/ISRG.md) - [Diagonal Put Spreads](https://www.optionistics.com/screener/diagonal-put-spreads/ISRG.md) --- From [Optionistics](https://www.optionistics.com), options analytics since 2005. Site map for AI agents: https://www.optionistics.com/llms.txt