FSV Open Interest
FirstService Corporation (FSV) had 735 open option contracts as of Nov 4, 2026: 579 calls and 156 puts. Open interest was little changed over the past four weeks. The put/call open interest ratio is 0.27, so calls outnumber puts.
Open Interest by Strike
Showing results for FSV, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for FSV, 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 FSV, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for FSV, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for FSV, all expirations, calls & puts. View full history
FSV 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 FSV have?
FirstService had 735 open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 733 contracts.
Is FSV open interest rising or falling?
Open interest was little changed over the past four weeks. It was 731 contracts on Oct 7, 2026. See the FSV open interest history for a longer view.
What is the FSV put/call open interest ratio?
The FirstService put/call open interest ratio was 0.27 as of Nov 4, 2026. Four weeks earlier it was 0.26.
What is FirstService Corporation?
FirstService Corp is engaged in outsourcing property services.