Cal-Maine Foods, Inc. (CALM) 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.
Cal-Maine Foods, Inc. (CALM) operates in the Consumer Defensive sector, specifically the Agricultural Farm Products industry, with a market capitalization near $3.77B, listed on NASDAQ, employing roughly 2,929 people, carrying a beta of 0.27 to the broader market. Cal-Maine Foods, Inc. Led by Sherman L. Miller, public since 1996-12-12.
Snapshot as of May 15, 2026.
- Spot Price
- $76.45
- Call OI
- 11.0K
- Put OI
- 16.1K
- Total OI
- 27.1K
- Put/Call Ratio
- 2.10
As of May 15, 2026, Cal-Maine Foods, Inc. (CALM) has 27.1K total contracts outstanding across all expirations. Put/call OI ratio is 1.47 (put-heavy positioning, often indicating hedging or bearish bias). 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 CALM open interest history Data Feeds Strategy Selection
Strategy selection on Cal-Maine Foods, 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 32.5% 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 CALM open interest history questions
- What is the current CALM options open interest?
- As of May 15, 2026, Cal-Maine Foods, Inc. (CALM) has 27.1K total contracts outstanding across all listed expirations, split as 11.0K calls and 16.1K 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 CALM put/call open interest ratio?
- Put/call OI ratio of 1.47 is put-heavy, often indicating hedging demand or bearish positioning.
- What does CALM 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.