AZN Open Interest
AstraZeneca PLC (AZN) had 101.71K open option contracts as of Nov 4, 2026: 74.43K calls and 27.28K puts. Open interest rose 11.2% over the past four weeks. The put/call open interest ratio is 0.37, so calls outnumber puts.
Open Interest by Strike
Showing results for AZN, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for AZN, 2026-11-20(m), calls & puts
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Highest Open Interest Options
Showing results for AZN, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for AZN, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for AZN, all expirations, calls & puts. View full history
AZN Open Interest FAQ
What is open interest?
Open interest is the number of option contracts that are open and not yet closed, exercised, or expired. The Options Clearing Corporation calculates it once a day from the previous day's trades, and it is published before the market opens.
How much open interest does AZN have?
AstraZeneca had 101.71K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 94.59K contracts.
Is AZN open interest rising or falling?
Open interest rose 11.2% over the past four weeks. It was 91.5K contracts on Oct 7, 2026. See the AZN open interest history for a longer view.
What is the AZN put/call open interest ratio?
The AstraZeneca put/call open interest ratio was 0.37 as of Nov 4, 2026. Four weeks earlier it was 0.52.
What is AstraZeneca PLC?
A merger between Astra of Sweden and Zeneca of the United Kingdom formed AstraZeneca in 1999.