MLM Unusual Option Activity
Martin Marietta Materials (MLM) option volume on Nov 4, 2026 was 14.2% of open interest, well above the 20-day average of 3.0%. Calls made up 81.3% of the volume. Relative to open interest, that was MLM's most active day in 12 weeks.
MLM Unusual Options FAQ
What makes option activity unusual?
Option activity is usually called unusual when a contract trades much more volume than its open interest, which can mean traders are opening new positions.
Is MLM seeing unusual options activity?
On Nov 4, 2026, Martin Marietta Materials options traded 1.3K contracts against 9.16K open, a volume to open interest ratio of 0.14, well above its 20-day average. The table above lists the contracts with the highest ratios.
Are MLM traders trading more calls or puts?
Calls made up 81.3% of Martin Marietta Materials option volume on Nov 4, 2026, a put/call ratio of 0.23, so calls outnumber puts. The MLM option volume chart shows calls and puts by strike.
What is Martin Marietta Materials?
Martin Marietta is a leading US producer of construction aggregates, having produced roughly 200 million tons in 2025.