SEIC Open Interest
SEI Investments Co (SEIC) had 1.59K open option contracts as of Nov 4, 2026: 754 calls and 838 puts. Open interest fell 33.4% over the past four weeks. The put/call open interest ratio is 1.11, so puts outnumber calls.
Open Interest by Strike
Showing results for SEIC, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for SEIC, 2026-11-20(m), calls & puts
| Call Open Interest Total | |
|---|---|
| Put Open Interest Total | |
| Open Interest Total | |
| Put-Call Open Interest Ratio |
Highest Open Interest Options
Showing results for SEIC, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for SEIC, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for SEIC, all expirations, calls & puts. View full history
SEIC 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 SEIC have?
SEI Investments had 1.59K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 1.99K contracts.
Is SEIC open interest rising or falling?
Open interest fell 33.4% over the past four weeks. It was 2.39K contracts on Oct 7, 2026. See the SEIC open interest history for a longer view.
What is the SEIC put/call open interest ratio?
The SEI Investments put/call open interest ratio was 1.11 as of Nov 4, 2026. Four weeks earlier it was 1.85.
What is SEI Investments Co?
SEI Investments provides investment processing, management, and operations services to financial institutions, asset managers, asset owners, and financial advisors in four material segments: private banks, investment advisors, institutional investors, and investment managers.