WRB Open Interest
W.R. Berkley Corporation (WRB) had 5.06K open option contracts as of Nov 4, 2026: 4.25K calls and 804 puts. Open interest rose 34.7% over the past four weeks. The put/call open interest ratio is 0.19, so calls outnumber puts.
Open Interest by Strike
Showing results for WRB, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for WRB, 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 WRB, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for WRB, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for WRB, all expirations, calls & puts. View full history
WRB 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 WRB have?
W.R. Berkley had 5.06K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 4.59K contracts.
Is WRB open interest rising or falling?
Open interest rose 34.7% over the past four weeks. It was 3.75K contracts on Oct 7, 2026. See the WRB open interest history for a longer view.
What is the WRB put/call open interest ratio?
The W.R. Berkley put/call open interest ratio was 0.19 as of Nov 4, 2026. Four weeks earlier it was 0.38.
What is W.R. Berkley Corporation?
W.R.