RLI Open Interest
RLI Corp (RLI) had 587 open option contracts as of Nov 4, 2026: 410 calls and 177 puts. Open interest rose 124.0% over the past four weeks. The put/call open interest ratio is 0.43, so calls outnumber puts.
Open Interest by Strike
Showing results for RLI, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for RLI, 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 RLI, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for RLI, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for RLI, all expirations, calls & puts. View full history
RLI 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 RLI have?
RLI had 587 open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 456 contracts.
Is RLI open interest rising or falling?
Open interest rose 124.0% over the past four weeks. It was 262 contracts on Oct 7, 2026. See the RLI open interest history for a longer view.
What is the RLI put/call open interest ratio?
The RLI put/call open interest ratio was 0.43 as of Nov 4, 2026. Four weeks earlier it was 0.75.
What is RLI Corp?
RLI Corp underwrites property and casualty insurance through its subsidiaries.