KALU Open Interest
Kaiser Aluminum Corporation (KALU) had 1.54K open option contracts as of Nov 4, 2026: 1.29K calls and 243 puts. Open interest rose 9.4% 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 KALU, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for KALU, 2026-11-20(m), calls & puts
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| Put Open Interest Total | |
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Highest Open Interest Options
Showing results for KALU, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for KALU, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for KALU, all expirations, calls & puts. View full history
KALU 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 KALU have?
Kaiser Aluminum had 1.54K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 1.41K contracts.
Is KALU open interest rising or falling?
Open interest rose 9.4% over the past four weeks. It was 1.41K contracts on Oct 7, 2026. See the KALU open interest history for a longer view.
What is the KALU put/call open interest ratio?
The Kaiser Aluminum put/call open interest ratio was 0.19 as of Nov 4, 2026. Four weeks earlier it was 0.38.
What is Kaiser Aluminum Corporation?
Kaiser Aluminum Corp specializes in the production of semi-fabricated specialty aluminum mill products, such as aluminum plate and sheet, bare and coated coil and extruded and drawn products, for the end market applications: Aero/HS Products; Packaging; GE Products; and Automotive Extrusions.