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

Explore the STM 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 STM.

Options Analysis Short-Term Forecast Short Interest Report

Market Sentiment from STM Options by Expiration Date

The table below aggregates STM 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
2026-04-17 42044 16230 58274 0.386
2026-05-15 23927 7595 31522 0.317
2026-06-18 19081 12431 31512 0.651
2026-07-17 3923 1635 5558 0.417
2026-08-21 4381 2650 7031 0.605
2026-10-16 3010 1485 4495 0.493
2026-11-20 8664 2416 11080 0.279
2027-01-15 14746 14698 29444 0.997
2027-11-19 244 471 715 1.930
2028-01-21 3433 10371 13804 3.021

How the Options Sentiment Score Is Calculated

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