IBMV Short Interest

iShares Trust - iShares iBonds Dec 2033 Term Muni Bond ETF (IBMV) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $11.0M, listed on CBOE, carrying a beta of 0.14 to the broader market. As part of iShares' AMT-Free Muni Term ETF suite, IBMV behaves more like a bond than a typical bond fund. public since 2026-03-26.

Short interest is the total number of shares currently sold short and not yet covered, reported twice monthly by FINRA. Days to cover (short interest divided by average daily volume) indicates how long it would take short sellers to close positions, with higher values signaling greater squeeze potential.

Settlement Date
2026-09-30
Short Interest
11.3K
Previous Short Interest
11.5K
Change
-1.74%
Days to Cover
1.00
Avg Daily Volume
32.8K
Avg Days to Cover (13 reports)
78.74

Showing 13 twice-monthly FINRA short interest reports for iShares Trust - iShares iBonds Dec 2033 Term Muni Bond ETF.

Learn how short interest is reported and how to read the data →

Frequently asked IBMV short interest questions

What is the current IBMV short interest?
As of the Sep 30, 2026 settlement, iShares Trust - iShares iBonds Dec 2033 Term Muni Bond ETF (IBMV) short interest is 11.3K shares, a -1.74% change from the prior period. FINRA publishes short interest twice monthly on the 15th and last business day of each month under Rule 4560.
What is the IBMV days-to-cover ratio?
Days-to-cover is 1.00, calculated as short interest divided by average daily volume. It estimates how many trading days closing all short positions would consume given typical liquidity. Values above 5 days are commonly cited as elevated; values above 10 days are squeeze-relevant.
How does IBMV short interest affect options pricing?
High short interest changes options pricing through three mechanics: borrow-rebate effects (synthetic long stock trades below frictionless put-call parity by approximately the borrow rebate when shares are hard-to-borrow), gamma-squeeze setup risk (if dealers are short gamma against retail call buying, dealer hedge flow can amplify upward moves), and elevated event-vol pricing on names with squeeze potential. See the canonical short-interest documentation for the full mechanism.