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

Explore the BSX 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 BSX.

Market Sentiment from BSX Options by Expiration Date

The table below aggregates BSX 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
2026-03-27 20115 3506 23621 0.174
2026-04-02 15200 5870 21070 0.386
2026-04-10 979 4062 5041 4.149
2026-04-17 130151 32110 162261 0.247
2026-04-24 468 537 1005 1.147
2026-05-01 56 73 129 1.304
2026-05-15 17033 20083 37116 1.179
2026-06-18 40910 16306 57216 0.399
2026-07-17 4071 976 5047 0.240
2026-08-21 3270 2187 5457 0.669
2026-09-18 5714 5531 11245 0.968
2026-12-18 2556 3946 6502 1.544
2027-01-15 24574 8516 33090 0.347
2027-03-19 0 6 6 6.000
2027-06-17 2789 882 3671 0.316
2028-01-21 1522 791 2313 0.520

How the Options Sentiment Score Is Calculated

This sentiment framework evaluates market bias for BSX 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 BSX.
  • 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 BSX options, while lower scores highlight more defensive or bearish structures.