Martin Marietta Materials Inc. options tape
Read from CBOE's delayed chain on 23 September 2026, with Martin Marietta Materials Inc. at $499.67: open interest within 90 days was 1,903 call and 998 put contracts, a put/call ratio of 0.52; the day's volume was 188 calls and 23 puts (0.12). The most call open interest sits at the $620.00 strike (245 contracts) and the most put open interest at $490.00 (174). The at-the-money straddle for 16 October 2026, 23 days out, was priced at 5.6% of spot. For 16 October 2026, implied volatility was 29.6% at the put 5% below spot and 30.5% at the call 5% above, -0.9 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $620.00 | 245 |
| Puts | $490.00 | 174 |
The strike with the most open interest on each side, across expiries within 90 days.
Source
CBOE delayed quotes for MLM, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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