FIVN Open Interest
Five9 Inc (FIVN) had 44.19K open option contracts as of Nov 4, 2026: 32.79K calls and 11.4K puts. Open interest fell 43.3% over the past four weeks. The put/call open interest ratio is 0.35, so calls outnumber puts.
Open Interest by Strike
Showing results for FIVN, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for FIVN, 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 FIVN, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for FIVN, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for FIVN, all expirations, calls & puts. View full history
FIVN 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 FIVN have?
Five9 had 44.19K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 58.19K contracts.
Is FIVN open interest rising or falling?
Open interest fell 43.3% over the past four weeks. It was 77.95K contracts on Oct 7, 2026. See the FIVN open interest history for a longer view.
What is the FIVN put/call open interest ratio?
The Five9 put/call open interest ratio was 0.35 as of Nov 4, 2026. Four weeks earlier it was 0.34.
What is Five9 Inc?
Five9 offers cloud-native contact center software enabling digital customer service, sales, and marketing engagement.