Hallador Energy Company (HNRG) 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.

Hallador Energy Company (HNRG) operates in the Energy sector, specifically the Coal industry, with a market capitalization near $915.3M, listed on NASDAQ, employing roughly 615 people, carrying a beta of 0.15 to the broader market. Hallador Energy Company, through its subsidiaries, engages in the production of steam coal in the State of Indiana for the electric power generation industry. Led by Brent K. Bilsland, public since 1994-04-06.

Snapshot as of May 15, 2026.

Spot Price
$18.41
Call OI
66.8K
Put OI
17.4K
Total OI
84.3K
Put/Call Ratio
56.17

As of May 15, 2026, Hallador Energy Company (HNRG) has 84.3K total contracts outstanding across all expirations. Put/call OI ratio is 0.26 (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 HNRG open interest history Data Feeds Strategy Selection

Strategy selection on Hallador Energy Company 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 68.0% 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 HNRG open interest history questions

What is the current HNRG options open interest?
As of May 15, 2026, Hallador Energy Company (HNRG) has 84.3K total contracts outstanding across all listed expirations, split as 66.8K calls and 17.4K 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 HNRG put/call open interest ratio?
Put/call OI ratio of 0.26 is call-heavy, often a directional bullish or upside-speculation signal.
What does HNRG 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.