Quantumsphere Acquisition - Units (QUMSU) Short Interest
NASDAQ: QUMSUFinancial ServicesShell CompaniesUSD
At close: Sep 10, 4:00 PM ET · Delayed 15 min
Latest short interest · May 29, 2026
- Shares short
- 1.40K
- Change vs prior
- 0.0%
- Days to cover
- 6.12
- Avg. daily volume
- 229
- Prior report
- 1.40K
Quantumsphere Acquisition - Units short interest analysis
As of the May 29, 2026 settlement date, 1,401 QUMSU shares were sold short. That is roughly unchanged from the previous report of 1.40K shares. With average daily volume of 229 shares, it would take about 6.1 trading days for short sellers to buy back their positions, which is elevated by typical standards.
Summary generated from market data by MetaCap's automated system. Methodology
QUMSU short interest history
| Settlement | Short Interest | Change | Days to Cover |
|---|---|---|---|
| May 29, 2026 | 1,401 | 0.0% | 6.12 |
| May 15, 2026 | 1,401 | -26.3% | 6.28 |
| Apr 30, 2026 | 1,901 | 0.0% | 82.65 |
| Apr 15, 2026 | 1,901 | 0.0% | 126.73 |
| Mar 31, 2026 | 1,901 | 0.0% | 190.10 |
Days to cover = shares short ÷ average daily volume. Short percent uses total shares outstanding as the denominator, which is slightly lower than a float-based figure.
Frequently asked questions
What is Quantumsphere Acquisition - Units's short interest?
QUMSU short interest was 1,401 shares as of May 29, 2026, up 0.0% from the prior report.
What is QUMSU's days to cover?
QUMSU's days-to-cover (short interest ratio) is 6.12, meaning short sellers would need about 6.1 days of average trading volume to close their positions.
How often is short interest reported?
FINRA requires brokers to report short positions twice a month, as of mid-month and month-end settlement dates. The data is published about a week and a half after each settlement date, so it is always somewhat delayed.
Is high short interest bullish or bearish?
High short interest shows that many investors expect the price to fall, which is a bearish signal. It can also set up a short squeeze if the stock rises and short sellers rush to buy back shares. Neither outcome is guaranteed.