BOXX Short Interest
Alpha Architect 1-3 Month Box ETF (BOXX) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $11.40B, listed on CBOE, carrying a beta of -0.00 to the broader market. Under normal market conditions, the fund generally invests substantially all, but at least 80%, of its total assets in the Box Spreads such that the weighted average maturity of the Box Spreads based upon expiration dates is less than 90 days. public since 2022-12-28.
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
- 2026-05-15
- Short Interest
- 47.1K
- Previous Short Interest
- 133.3K
- Change
- -64.65%
- Days to Cover
- 1.00
- Avg Daily Volume
- 2.1M
- Avg Days to Cover (24 reports)
- 1.00
Showing 24 bi-monthly FINRA short interest reports for Alpha Architect 1-3 Month Box ETF.
Learn how short interest is reported and how to read the data →
Frequently asked BOXX short interest questions
- What is the current BOXX short interest?
- As of the May 15, 2026 settlement, Alpha Architect 1-3 Month Box ETF (BOXX) short interest is 47.1K shares, a -64.65% 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 BOXX 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 BOXX 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.