TRI Open Interest
Thomson Reuters Corporation (TRI) had 13.67K open option contracts as of Nov 4, 2026: 6.09K calls and 7.57K puts. Open interest rose 27.1% over the past four weeks, and is TRI's highest level in 8 weeks. The put/call open interest ratio is 1.24, so puts outnumber calls.
Open Interest by Strike
Showing results for TRI, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for TRI, 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 TRI, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for TRI, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for TRI, all expirations, calls & puts. View full history
TRI 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 TRI have?
Thomson Reuters had 13.67K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 10.8K contracts.
Is TRI open interest rising or falling?
Open interest rose 27.1% over the past four weeks, and is TRI's highest level in 8 weeks. It was 10.75K contracts on Oct 7, 2026. See the TRI open interest history for a longer view.
What is the TRI put/call open interest ratio?
The Thomson Reuters put/call open interest ratio was 1.24 as of Nov 4, 2026. Four weeks earlier it was 0.75.
What is Thomson Reuters Corporation?
Thomson Reuters is a leading global provider of business information services, delivering trusted data, technology, and expertise to professionals across legal, tax, accounting, risk, compliance, and the news and media sectors.