About National Storage Affiliates Tru (NSA) data
Data as of July 15, 2026.
National Storage Affiliates Tru (NSA) has 4.60M shares sold short as of the latest FINRA settlement report on July 15, 2026. Short interest has increased by 10.53% compared with the prior settlement. At the current average daily volume, covering all open short positions would take about 4.38 days (days to cover).
Recent NSA short interest history
| Settlement date | Short interest | Change | Days to cover |
|---|---|---|---|
| Jul 15, 2026 | 4,597,575 | 10.53% | 4.38 |
| Jun 30, 2026 | 4,159,603 | -7.54% | 5.60 |
| Jun 15, 2026 | 4,498,919 | 7.77% | 5.71 |
| May 29, 2026 | 4,174,421 | 11.95% | 6.75 |
| May 15, 2026 | 3,728,790 | -8.49% | 3.81 |
| Apr 30, 2026 | 4,074,529 | 3.97% | 3.66 |
| Apr 15, 2026 | 3,918,980 | -7.10% | 4.61 |
| Mar 31, 2026 | 4,218,473 | -29.62% | 1.06 |
| Mar 13, 2026 | 5,994,258 | -0.20% | 3.66 |
| Feb 27, 2026 | 6,006,528 | -9.15% | 3.18 |
| Feb 13, 2026 | 6,611,812 | -4.17% | 4.76 |
| Jan 30, 2026 | 6,899,408 | -7.30% | 4.61 |
Full history, charts, and borrow-fee detail are on the NSA short interest page.
Frequently asked questions
What is the current short interest in NSA?
As of the latest FINRA settlement dated July 15, 2026, NSA had approximately 4,597,575 shares sold short. Short interest data is reported by FINRA twice per month.
How much does it cost to short NSA?
The latest borrow fee (cost to borrow) for NSA is 0.40% per year, based on IBKR data. Fees can change throughout the trading day as shares are borrowed and returned.
What is the days to cover ratio for NSA?
Days to cover for NSA is approximately 4.38 days. This estimates how many trading days it would take short sellers to buy back all outstanding short shares at the current average daily volume.
Is NSA a short squeeze candidate?
A squeeze needs shorts that are hard to close. NSA trades about 1,050,298 shares a day and would take roughly 4.38 days to unwind current short positions, at a current borrow fee of 0.40%. Higher days-to-cover and a rising borrow fee together are the setup to watch; neither alone is enough.