TRUP Open Interest
Trupanion Inc (TRUP) had 3.41K open option contracts as of Nov 4, 2026: 2.81K calls and 606 puts. Open interest rose 28.2% over the past four weeks. The put/call open interest ratio is 0.22, so calls outnumber puts.
Open Interest by Strike
Showing results for TRUP, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for TRUP, 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 TRUP, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for TRUP, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for TRUP, all expirations, calls & puts. View full history
TRUP 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 TRUP have?
Trupanion had 3.41K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 2.99K contracts.
Is TRUP open interest rising or falling?
Open interest rose 28.2% over the past four weeks. It was 2.66K contracts on Oct 7, 2026. See the TRUP open interest history for a longer view.
What is the TRUP put/call open interest ratio?
The Trupanion put/call open interest ratio was 0.22 as of Nov 4, 2026. Four weeks earlier it was 0.28.
What is Trupanion Inc?
Trupanion Inc is a specialty insurance products provider in the United States.