EZM Short Interest

WisdomTree U.S. MidCap Fund (EZM) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $878.5M, listed on AMEX, carrying a beta of 1.08 to the broader market. Under normal circumstances, at least 95% of the fund's total assets (exclusive of collateral held from securities lending) will be invested in component securities of the index and investments that have economic characteristics that are substantially identical to the economic characteristics of such component securities. public since 2007-02-23.

Short interest is the total number of shares currently sold short and not yet covered, reported bi-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
2026-04-30
Short Interest
43.5K
Previous Short Interest
13.4K
Change
224.96%
Days to Cover
1.30
Avg Daily Volume
33.4K
Avg Days to Cover (24 reports)
1.49

Showing 24 bi-monthly FINRA short interest reports for WisdomTree U.S. MidCap Fund.

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

Frequently asked EZM short interest questions

What is the current EZM short interest?
As of the Apr 30, 2026 settlement, WisdomTree U.S. MidCap Fund (EZM) short interest is 43.5K shares, a +224.96% 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 EZM days-to-cover ratio?
Days-to-cover is 1.30, 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 EZM 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.