PRPH · ProPhase Labs, Inc. · Short Interest
Substantial doubt about the company's ability to continue as a going concern.
“As of June 30, 2026 and through the date of this filing, the Company has experienced significant liquidity constraints and operating challenges. As of June 30, 2026, the Company had cash on hand of approximately $20,000. The Company has also experienced a significant decline in revenue from its diagnostic services business, has ceased diagnostic testing operations in 2024, and no longer has access to certain historical sources of capital, including at-the-market offerings or equity line of credit facilities. In addition, the Company's common stock is no longer listed on The Nasdaq Capital Market and is currently quoted on the OTC Markets, which may further limit access to capital. Furthermore, on September 22, 2025, certain of the Company's diagnostic subsidiaries (the "Debtors") filed for relief under Chapter 11 of the United States Bankruptcy Code. The Debtors are pursuing reorganization under Chapter 11, with the objectives of (i) the orderly collection of accounts receivable through their court-appointed special counsel and (ii) the operational reorganization of the Debtors' CLIA-certified laboratory infrastructure to support additional diagnostic and testing opportunities as resources permit. The Debtors' plan of reorganization is under development and any plan will be subject to Bankruptcy Court approval. The outcome, timing, and amount of any recovery from the receivables collection program and the operational reorganization are uncertain and subject to factors outside the Company's control, including Bankruptcy Court approval, payor responses to claims, the development and confirmation of a plan, and the priority scheme of the Bankruptcy Code. These conditions raise substantial doubt about the Company's ability to continue as a going concern within one year after the date that the condensed consolidated financial statements are issued.”View the 10-Q filed Aug 19, 2026
Shares sold short and not yet covered, reported twice monthly. Days to cover is the reported short position divided by average daily volume.
PRPH Latest Reported Short Interest
FINRA reported 49,799 PRPH shares sold short as of the July 31, 2026 settlement date, an increase of 5 shares. Days to cover was 1.00 based on FINRA's reported average daily volume.
Official FINRA short-interest data · share counts are restated for subsequent splits of this listing
Options positioning & squeeze sensitivity
Nearest expiration after today within 30 calendar days; same-day expirations and later maturities are excluded.
No active listed options were found.
Open interest has both a buyer and a seller; it does not reveal dealer hedge direction. Gross gamma sums both calls and puts without netting and uses a local 1% price-change approximation. It measures sensitivity, not predicted buying or a squeeze probability.
Assessment prepared 2026-10-06 04:04 UTC. Options model values may come from a cached snapshot; their original computation time is not supplied. Open interest has its own effective date.
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
|
2026-10-15
Scheduled
FINRA publishes Oct 26
|
— | — | — | — |
|
2026-09-30
Scheduled
FINRA publishes Oct 9
|
— | — | — | — |
| 2026-07-31 | 49,799 | 49,794 | +5 | 1.00 |
| 2026-07-15 | 49,794 | 49,257 | +537 | 1.00 |
| 2026-06-30 | 49,257 | 48,699 | +558 | 1.00 |
| 2026-06-15 | 48,699 | 56,514 | -7,815 | 1.00 |
| 2026-05-29 | 56,514 | 67,595 | -11,081 | 1.60 |
| 2026-05-15 | 67,595 | 63,551 | +4,044 | 1.00 |
| 2026-04-30 | 63,551 | 44,129 | +19,422 | 1.00 |
| 2026-04-15 | 44,129 | 44,294 | -165 | 1.00 |
| 2026-03-31 | 44,294 | 69,774 | -25,480 | 1.00 |
| 2026-03-13 | 69,774 | 61,894 | +7,880 | 1.00 |
| 2026-02-27 | 61,894 | 78,859 | -16,965 | 1.00 |
| 2026-02-13 | 78,859 | 68,908 | +9,951 | 1.00 |
| 2026-01-30 | 68,908 | 96,944 | -28,036 | 1.00 |
| 2026-01-15 | 96,944 | 289,006 | -192,062 | 1.00 |
| 2025-12-31 | 289,006 | 30,024 | +258,982 | 1.00 |
| 2025-12-15 | 30,024 | 13,987 | +16,037 | 1.00 |
| 2025-11-28 | 13,987 | 8,962 | +5,025 | 1.00 |
| 2025-11-14 | 8,962 | 24,617 | -15,655 | 1.00 |
| 2025-10-31 | 24,617 | 118,256 | -93,639 | 1.00 |
| 2025-10-15 | 118,256 | 104,171 | +14,085 | 1.00 |
Full FINRA short interest reporting calendar