United States Lime & Minerals, Inc. (USLM) 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.
United States Lime & Minerals, Inc. (USLM) operates in the Basic Materials sector, specifically the Construction Materials industry, with a market capitalization near $3.14B, listed on NASDAQ, employing roughly 345 people, carrying a beta of 0.70 to the broader market. United States Lime & Minerals, Inc. Led by Timothy W. Byrne, public since 1980-03-17.
Snapshot as of May 15, 2026.
- Spot Price
- $103.67
- Call OI
- 175
- Put OI
- 195
- Total OI
- 370
- Put/Call Ratio
- 8.86
As of May 15, 2026, United States Lime & Minerals, Inc. (USLM) has 370 total contracts outstanding across all expirations. Put/call OI ratio is 1.11 (balanced 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 USLM open interest history Data Feeds Strategy Selection
Strategy selection on United States Lime & Minerals, 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 43.1% and dealer gamma exposure is negative, so dealer hedging amplifies directional moves. 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 USLM open interest history questions
- What is the current USLM options open interest?
- As of May 15, 2026, United States Lime & Minerals, Inc. (USLM) has 370 total contracts outstanding across all listed expirations, split as 175 calls and 195 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 USLM put/call open interest ratio?
- Put/call OI ratio of 1.11 is balanced.
- What does USLM 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.