ICLR Open Interest
Icon Plc (ICLR) had 7.7K open option contracts as of Nov 4, 2026: 5.79K calls and 1.91K puts. Open interest rose 23.5% over the past four weeks. The put/call open interest ratio is 0.33, so calls outnumber puts.
Open Interest by Strike
Showing results for ICLR, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for ICLR, 2026-11-20(m), calls & puts
| Call Open Interest Total | |
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| Put Open Interest Total | |
| Open Interest Total | |
| Put-Call Open Interest Ratio |
Highest Open Interest Options
Showing results for ICLR, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for ICLR, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for ICLR, all expirations, calls & puts. View full history
ICLR 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 ICLR have?
Icon had 7.7K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 6.46K contracts.
Is ICLR open interest rising or falling?
Open interest rose 23.5% over the past four weeks. It was 6.24K contracts on Oct 7, 2026. See the ICLR open interest history for a longer view.
What is the ICLR put/call open interest ratio?
The Icon put/call open interest ratio was 0.33 as of Nov 4, 2026. Four weeks earlier it was 0.40.
What is Icon Plc?
Icon is a global contract research organization that provides outsourced clinical development services to pharmaceutical and biotechnology firms.