MLM Open Interest
Martin Marietta Materials (MLM) had 9.16K open option contracts as of Nov 4, 2026: 6.13K calls and 3.03K puts. Open interest fell 5.7% over the past four weeks. The put/call open interest ratio is 0.50, so calls outnumber puts.
Open Interest by Strike
Showing results for MLM, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for MLM, 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 MLM, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for MLM, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for MLM, all expirations, calls & puts. View full history
MLM 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 MLM have?
Martin Marietta Materials had 9.16K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 9.13K contracts.
Is MLM open interest rising or falling?
Open interest fell 5.7% over the past four weeks. It was 9.71K contracts on Oct 7, 2026. See the MLM open interest history for a longer view.
What is the MLM put/call open interest ratio?
The Martin Marietta Materials put/call open interest ratio was 0.50 as of Nov 4, 2026. Four weeks earlier it was 0.31.
What is Martin Marietta Materials?
Martin Marietta is a leading US producer of construction aggregates, having produced roughly 200 million tons in 2025.