TRST Open Interest
Trustco Bank Corp NY (TRST) had 424 open option contracts as of Nov 4, 2026: 279 calls and 145 puts. Open interest rose 178.9% over the past four weeks. The put/call open interest ratio is 0.52, so calls outnumber puts.
Open Interest by Strike
Showing results for TRST, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for TRST, 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 TRST, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for TRST, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for TRST, all expirations, calls & puts. View full history
TRST 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 TRST have?
Trustco Bank Corp NY had 424 open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 217 contracts.
Is TRST open interest rising or falling?
Open interest rose 178.9% over the past four weeks. It was 152 contracts on Oct 7, 2026. See the TRST open interest history for a longer view.
What is the TRST put/call open interest ratio?
The Trustco Bank Corp NY put/call open interest ratio was 0.52 as of Nov 4, 2026. Four weeks earlier it was 3.47.
What is Trustco Bank Corp NY?
Trustco Bank Corp N Y is a savings and loan holding company.