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ISRG Options Chain by Expiration – Open Interest & Put/Call Ratio

Explore the ISRG options chain aggregated by expiration date, with call and put open interest, total OI and put/call ratios. Use this overview to spot where options positioning is most concentrated and which expirations carry bullish, bearish or neutral sentiment for ISRG.

Market Sentiment from ISRG Options by Expiration Date

The table below aggregates ISRG options data by expiration date, including call volume, put volume, total open interest and the put/call ratio. Each row is assigned a sentiment label and numerical sentiment score, highlighting expirations where positioning is extremely bullish, defensive or balanced. Click on an expiration date to drill down into the detailed options chain for that maturity.

Expiration Date Call OI Put OI Total Open Interest Put/Call Ratio
2026-08-14 2243 2886 5129 1.287
2026-08-21 13720 8195 21915 0.597
2026-08-28 1203 1297 2500 1.078
2026-09-04 466 488 954 1.047
2026-09-11 114 141 255 1.237
2026-09-18 11749 14525 26274 1.236
2026-09-25 3 2 5 0.667
2026-10-16 6209 5475 11684 0.882
2026-11-20 2160 3859 6019 1.787
2026-12-18 8152 4678 12830 0.574
2027-01-15 12261 8178 20439 0.667
2027-02-19 399 540 939 1.353
2027-03-19 1461 2926 4387 2.003
2027-06-17 3315 3254 6569 0.982
2028-01-21 10095 2865 12960 0.284
2028-12-15 4341 1562 5903 0.360

How the Options Sentiment Score Is Calculated

This sentiment framework evaluates market bias for ISRG based on aggregated options data by expiration date. The key metrics are:

  • Put/Call Ratio (PCR): Compares put and call activity. A higher PCR usually indicates more defensive or bearish positioning, while a lower PCR suggests bullish call demand.
  • Open Interest (OI): Represents the number of outstanding option contracts. Higher open interest reflects strong market attention, hedging activity or speculative positioning around ISRG.
  • Unusual activity ⚠️: Expirations with extreme PCR or unusually high OI are flagged with a warning icon, signaling concentrated bets, hedging pressure or potential event-driven risk.

The sentiment score combines PCR and OI into a 0–100 scale, then classifies each expiration into intuitive labels such as Strong Bullish, Moderate Bullish, Neutral, Moderate Bearish, Strong Bearish. Higher scores reflect more aggressive bullish positioning in ISRG options, while lower scores highlight more defensive or bearish structures.