DDXX Short Interest
EA Series Trust - Defined Duration 20 ETF (DDXX) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $19.2M, listed on CBOE, carrying a beta of 0.79 to the broader market. DDXX is designed to maintain a 20-year portfolio horizon by applying a defined duration framework to global stocks. public since 2025-11-13.
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
- 2.9K
- Previous Short Interest
- 7.9K
- Change
- -62.67%
- Days to Cover
- 2.79
- Avg Daily Volume
- 1.1K
- Avg Days to Cover (22 reports)
- 2.07
Showing 22 twice-monthly FINRA short interest reports for EA Series Trust - Defined Duration 20 ETF.
Learn how short interest is reported and how to read the data →
Frequently asked DDXX short interest questions
- What is the current DDXX short interest?
- As of the Sep 30, 2026 settlement, EA Series Trust - Defined Duration 20 ETF (DDXX) short interest is 2.9K shares, a -62.67% 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 DDXX days-to-cover ratio?
- Days-to-cover is 2.79, 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 DDXX 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.