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PRPH · ProPhase Labs, Inc. · Short Interest

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$0.28 -0.08 (-22.22%) At close · Jan 5
Market Cap
$311,851
Shares
15.59M
Volume · Jan 5 1.51M Avg daily vol (9 sessions) 2.04M

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

Showing 1–20 of 20 settlements
Key facts CIK 868278 CUSIP 74345W207 Visit website Investor relations