Bio-Rad Laboratories (BIO.B) Short Interest
NYSE: BIO.BHealthcareMedical DevicesUSD
At close: Aug 20, 10:24 AM ET · Delayed 15 min
Latest short interest · Aug 14, 2026
- Change vs prior
- 0.0%
- Days to cover
- 1.00
- Avg. daily volume
- 17
- Prior report
- 2
Bio-Rad Laboratories short interest analysis
As of the Aug 14, 2026 settlement date, 2 BIO.B shares were sold short, equal to 0.00% of Bio-Rad Laboratories's shares outstanding. That is roughly unchanged from the previous report of 2 shares. With average daily volume of 17 shares, it would take about 1.0 trading days for short sellers to buy back their positions, which is low by typical standards.
The highest reading in the period shown was 220 shares on Jun 30, 2026.
Summary generated from market data by MetaCap's automated system. Methodology
BIO.B short interest history
| Settlement | Short Interest | Change | % Shares Out. | Days to Cover |
|---|---|---|---|---|
| Aug 14, 2026 | 2 | 0.0% | 0.00% | 1.00 |
| Jul 31, 2026 | 2 | -93.5% | 0.00% | 1.00 |
| Jul 15, 2026 | 31 | -85.9% | 0.00% | 1.00 |
| Jun 30, 2026 | 220 | +21900.0% | 0.00% | 2.08 |
| Jun 15, 2026 | 1 | -98.9% | 0.00% | 1.00 |
| May 29, 2026 | 91 | +97.8% | 0.00% | 3.37 |
| May 15, 2026 | 46 | +35.3% | 0.00% | 1.00 |
| Apr 30, 2026 | 34 | +17.2% | 0.00% | 1.00 |
| Apr 15, 2026 | 29 | +11.5% | 0.00% | 1.71 |
| Mar 31, 2026 | 26 | -23.5% | 0.00% | 1.30 |
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 Bio-Rad Laboratories's short interest?
BIO.B short interest was 2 shares as of Aug 14, 2026, or 0.00% of shares outstanding, up 0.0% from the prior report.
What is BIO.B's days to cover?
BIO.B's days-to-cover (short interest ratio) is 1.00, meaning short sellers would need about 1.0 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.