The Gorman-Rupp Company (GRC) 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.
The Gorman-Rupp Company (GRC) operates in the Industrials sector, specifically the Industrial - Machinery industry, with a market capitalization near $1.99B, listed on NYSE, employing roughly 1,450 people, carrying a beta of 1.34 to the broader market. The Gorman-Rupp Company designs, manufactures, and sells pumps and pump systems in the United States and internationally. Led by Scott A. King, public since 1980-03-17.
Snapshot as of May 15, 2026.
- Spot Price
- $73.25
- Call OI
- 118
- Put OI
- 4.9K
- Total OI
- 5.0K
As of May 15, 2026, The Gorman-Rupp Company (GRC) has 5.0K total contracts outstanding across all expirations. Put/call OI ratio is 41.26 (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 GRC open interest history Data Feeds Strategy Selection
Strategy selection on The Gorman-Rupp 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 32.0% 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 GRC open interest history questions
- What is the current GRC options open interest?
- As of May 15, 2026, The Gorman-Rupp Company (GRC) has 5.0K total contracts outstanding across all listed expirations, split as 118 calls and 4.9K 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 GRC put/call open interest ratio?
- Put/call OI ratio of 41.26 is put-heavy, often indicating hedging demand or bearish positioning.
- What does GRC 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.