Power Integrations Inc (POWI) short interest & short volume · 5.2M shares short
Power Integrations Inc official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
POWI short interest fell 5.9% to 5.2M shares in the Oct 15, 2026 report (7.0 days to cover). Daily short volume averaged 63.6% of volume over the last 20 sessions, up from 58.7% the 20 sessions before, the 59th percentile of its own 20-day averages since Sep 23, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 5.2M
- prior 5.5M
- % of float
- —
- no float on file
- Days to cover
- 7.0
- avg vol 732K
- Change vs prior report
- -5.9%
Days to cover is short interest divided by FINRA's average daily volume for the period: how many average days of trading it would take shorts to buy back.
Source: FINRA equity short interest (twice monthly) · Settlement Oct 15, 2026
Daily short volume
Share of each day's volume sold short · FINRA Reg SHO
- Latest (Nov 2)
- 36.7%
- 176K of 479K
- 20-day average
- 63.6%
- prior 58.7%
- Percentile vs own history
- 59th
- 233 periods since 2025
Loading prices…
Source: FINRA Reg SHO daily short sale volume · Latest Nov 2, 2026
Short squeeze score (model)
Price since settlement: +4.5%
Model, not a forecast: 40 pts short interest % of float (full at 30%), 25 pts days to cover (full at 10), 15 pts rise in short interest since the prior report (full at +50%), 20 pts price gain since the settlement date (full at +25%). Missing inputs score 0.
POWI's squeeze score and its inputs with Lician Pro.Start 3-day trial — $149/yr
Market-wide: most shorted stocks, biggest changes and unusual short volume · POWI overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-02 | 175,581 | 478,571 | 36.7% |
| 2026-10-30 | 245,049 | 561,516 | 43.6% |
| 2026-10-29 | 134,148 | 178,323 | 75.2% |
| 2026-10-28 | 172,869 | 252,360 | 68.5% |
| 2026-10-27 | 87,742 | 181,256 | 48.4% |
| 2026-10-26 | 133,574 | 171,330 | 78.0% |
| 2026-10-23 | 189,368 | 306,661 | 61.8% |
| 2026-10-22 | 301,752 | 354,547 | 85.1% |
| 2026-10-21 | 119,956 | 183,720 | 65.3% |
| 2026-10-20 | 147,514 | 210,108 | 70.2% |
Technology peers with similar quant ratings
POWI is rated 1.74 of 5 among 462 rated Technology stocks (Lician quant rating, Nov 4, 2026). How the rating works
- SLAB short interest1.78 · Sell · stock
- RMNI short interest1.77 · Sell · stock
- CAMT short interest1.76 · Sell · stock
- XYZ short interest1.75 · Sell
- VSH short interest1.73 · Sell · stock
- HLIT short interest1.72 · Sell · stock
- SABR short interest1.72 · Sell · stock
- PI short interest1.71 · Sell · stock
POWI short interest FAQ
What is POWI's short interest?
Power Integrations Inc (POWI) had 5.2M shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report.
How many days to cover does POWI have?
7.0 days: 5.2M shares short divided by an average daily volume of 732K for the Oct 15, 2026 period.
Is POWI short interest rising or falling?
POWI short interest fell (-5.9%) from 5.5M to 5.2M shares in the Oct 15, 2026 report.
Is POWI a short squeeze candidate?
Lician's squeeze watch scores POWI 21 out of 100 (low) from the Oct 15, 2026 report: days to cover 17.6/25, change in short interest vs prior report 0/15, price change since settlement date 3.6/20. It is a transparent model of how crowded the short side is, not a forecast that a squeeze will happen.
What share of POWI daily volume is sold short?
63.6% on average over the last 20 sessions to Nov 2, 2026 (FINRA Reg SHO daily short volume; the 59th percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was POWI's latest FINRA short volume?
On Nov 2, 2026, cached FINRA short volume for Power Integrations Inc (POWI) was 175,581 shares, 36.7% of 478,571 total volume.
How many POWI short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for Power Integrations Inc (POWI), from Oct 20, 2026 through Nov 2, 2026.
How did POWI short volume percent change from the prior cached session?
Cached FINRA short volume for Power Integrations Inc (POWI) moved from 43.6% on Oct 30, 2026 to 36.7% on Nov 2, 2026, down 6.9 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.