Core & Main, Inc. (CNM) Open Interest History
Open interest tracks the total number of outstanding options contracts. Rising OI alongside price moves can indicate growing commitment to the trend; declining OI suggests positions are being closed.
Core & Main, Inc. (CNM) operates in the Industrials sector, specifically the Industrial - Distribution industry, with a market capitalization near $8.91B, listed on NYSE, employing roughly 5,700 people, carrying a beta of 0.93 to the broader market. Core & Main, Inc. Led by Mark R. Witkowski, public since 2021-07-22.
Snapshot as of May 15, 2026.
- Spot Price
- $46.91
- Call OI
- 2.7K
- Put OI
- 1.6K
- Total OI
- 4.4K
- Put/Call Ratio
- 0.00
As of May 15, 2026, Core & Main, Inc. (CNM) has 4.4K total contracts outstanding across all expirations. Put/call OI ratio is 0.58 (call-heavy positioning). Open interest reflects accumulated positions from prior sessions; persistent growth indicates sustained directional or hedging interest, while sharp drops typically mean post-expiration clean-up.
How CNM open interest history Data Feeds Strategy Selection
Strategy selection on Core & Main, Inc. options does not derive from any single metric in isolation. The open interest history view above sits inside a broader read: ATM IV currently sits at 50.3% and dealer gamma exposure is positive, so dealer hedging is mechanically mean-reverting. Combine the open interest history data here with the volatility-skew surface, dealer-gamma exposure, max-pain level, and upcoming-events calendar to build a positioning thesis. Risk-defined structures (credit spreads, debit spreads, iron condors) are usually safer than naked positions while the regime is uncertain; the data on this page anchors the inputs but does not by itself constitute a trade thesis.
Learn how open interest is reported and how to read the data →
Frequently asked CNM open interest history questions
- What is the current CNM options open interest?
- As of May 15, 2026, Core & Main, Inc. (CNM) has 4.4K total contracts outstanding across all listed expirations, split as 2.7K calls and 1.6K puts. Open interest reflects accumulated positions from prior trading sessions; it does not include today's volume until end-of-day reconciliation.
- What is the CNM put/call open interest ratio?
- Put/call OI ratio of 0.58 is call-heavy, often a directional bullish or upside-speculation signal.
- What does CNM open interest tell traders?
- Persistent OI growth indicates sustained directional or hedging interest; sharp drops typically mean post-expiration position cleanup. Heavy OI concentrations at specific strikes act as support and resistance levels because dealer hedging amplifies near those strikes - the gamma profile of the dealer book is concentrated there. Comparing today's volume to standing OI separates opening flow from closing flow.