PIMCO Intermediate Municipal Bond Active Exchange-Traded Fund (MUNI) 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.

PIMCO Intermediate Municipal Bond Active Exchange-Traded Fund (MUNI) operates in the Financial Services sector, specifically the Asset Management - Bonds industry, with a market capitalization near $2.87B, listed on AMEX, carrying a beta of 0.79 to the broader market. The Fund seeks attractive tax-exempt income, consistent with preservation of capital. public since 2009-12-15.

Snapshot as of May 15, 2026.

Spot Price
$52.03
Call OI
180
Put OI
98
Total OI
278

As of May 15, 2026, PIMCO Intermediate Municipal Bond Active Exchange-Traded Fund (MUNI) has 278 total contracts outstanding across all expirations. Put/call OI ratio is 0.54 (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 MUNI open interest history Data Feeds Strategy Selection

Strategy selection on PIMCO Intermediate Municipal Bond Active Exchange-Traded Fund 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 2.3% 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 MUNI open interest history questions

What is the current MUNI options open interest?
As of May 15, 2026, PIMCO Intermediate Municipal Bond Active Exchange-Traded Fund (MUNI) has 278 total contracts outstanding across all listed expirations, split as 180 calls and 98 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 MUNI put/call open interest ratio?
Put/call OI ratio of 0.54 is call-heavy, often a directional bullish or upside-speculation signal.
What does MUNI 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.