CBU Open Interest
Community Financial System Inc (CBU) had 177 open option contracts as of Nov 4, 2026: 168 calls and 9 puts. Open interest rose 1.1% over the past four weeks. The put/call open interest ratio is 0.05, so calls outnumber puts.
Open Interest by Strike
Showing results for CBU, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for CBU, 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 CBU, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for CBU, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for CBU, all expirations, calls & puts. View full history
CBU 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 CBU have?
Community Financial System had 177 open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 175 contracts.
Is CBU open interest rising or falling?
Open interest rose 1.1% over the past four weeks. It was 175 contracts on Oct 7, 2026. See the CBU open interest history for a longer view.
What is the CBU put/call open interest ratio?
The Community Financial System put/call open interest ratio was 0.05 as of Nov 4, 2026. Four weeks earlier it was 0.05.
What is Community Financial System Inc?
Community Financial System Inc is a diversified financial services company providing a broad array of banking and other financial services to retail, commercial, institutional, and governmental customers.