Snap-on Incorporated (SNA) 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.

Snap-on Incorporated (SNA) operates in the Industrials sector, specifically the Manufacturing - Tools & Accessories industry, with a market capitalization near $18.99B, listed on NYSE, employing roughly 13,000 people, carrying a beta of 0.74 to the broader market. Snap-on Incorporated manufactures and markets tools, equipment, diagnostics, and repair information and systems solutions for professional users worldwide. Led by Nicholas T. Pinchuk, public since 2017-03-02.

Snapshot as of May 15, 2026.

Spot Price
$359.69
Call OI
1.4K
Put OI
1.9K
Total OI
3.4K
Put/Call Ratio
6.50

As of May 15, 2026, Snap-on Incorporated (SNA) has 3.4K total contracts outstanding across all expirations. Put/call OI ratio is 1.36 (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 SNA open interest history Data Feeds Strategy Selection

Strategy selection on Snap-on Incorporated 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 22.0% 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 SNA open interest history questions

What is the current SNA options open interest?
As of May 15, 2026, Snap-on Incorporated (SNA) has 3.4K total contracts outstanding across all listed expirations, split as 1.4K calls and 1.9K 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 SNA put/call open interest ratio?
Put/call OI ratio of 1.36 is put-heavy, often indicating hedging demand or bearish positioning.
What does SNA 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.