MapLight Therapeutics, Inc. Common Stock (MPLT) short interest & short volume · 3.3M shares short
MapLight Therapeutics, Inc. Common Stock official short interest (FINRA, twice monthly) and daily short volume (FINRA Reg SHO), with history, % of float and days to cover.
What changed
MPLT short interest rose 5.5% to 3.3M shares in the Oct 15, 2026 report (8.3 days to cover). Daily short volume averaged 55.5% of volume over the last 20 sessions, down from 60.2% the 20 sessions before, the 23rd percentile of its own 20-day averages since Oct 27, 2025.
Short interest
Official, twice monthly · settled Oct 15, 2026
- Shares short
- 3.3M
- prior 3.1M
- % of float
- —
- no float on file
- Days to cover
- 8.3
- avg vol 399K
- Change vs prior report
- +5.5%
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)
- 43.4%
- 36K of 83K
- 20-day average
- 55.5%
- prior 60.2%
- Percentile vs own history
- 23rd
- 214 periods since 2025
Loading prices…
Source: FINRA Reg SHO daily short sale volume · Latest Nov 2, 2026
Short squeeze score (model)
Price since settlement: -15.1%
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.
MPLT'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 · MPLT overview
| Date | Short | Total | Short % of volume |
|---|---|---|---|
| 2026-11-02 | 36,210 | 83,393 | 43.4% |
| 2026-10-30 | 54,655 | 156,026 | 35.0% |
| 2026-10-29 | 31,950 | 49,202 | 64.9% |
| 2026-10-28 | 57,281 | 147,971 | 38.7% |
| 2026-10-27 | 55,076 | 146,841 | 37.5% |
| 2026-10-26 | 49,970 | 77,306 | 64.6% |
| 2026-10-23 | 52,114 | 138,735 | 37.6% |
| 2026-10-22 | 53,461 | 134,685 | 39.7% |
| 2026-10-21 | 64,390 | 159,169 | 40.5% |
| 2026-10-20 | 97,571 | 158,177 | 61.7% |
Healthcare peers with similar quant ratings
MPLT is rated 1.91 of 5 among 532 rated Healthcare stocks (Lician quant rating, Nov 4, 2026). How the rating works
- NKTR short interest1.94 · Sell · stock
- XRAY short interest1.94 · Sell · stock
- STTK short interest1.93 · Sell · stock
- ABSI short interest1.92 · Sell · stock
- TMCI short interest1.91 · Sell · stock
- ELVN short interest1.90 · Sell · stock
- ZNTL short interest1.89 · Sell · stock
- CBIO short interest1.88 · Sell · stock
MPLT short interest FAQ
What is MPLT's short interest?
MapLight Therapeutics, Inc. Common Stock (MPLT) had 3.3M shares sold short and not yet covered in FINRA's Oct 15, 2026 settlement report.
How many days to cover does MPLT have?
8.3 days: 3.3M shares short divided by an average daily volume of 399K for the Oct 15, 2026 period.
Is MPLT short interest rising or falling?
MPLT short interest rose (+5.5%) from 3.1M to 3.3M shares in the Oct 15, 2026 report.
Is MPLT a short squeeze candidate?
Lician's squeeze watch scores MPLT 23 out of 100 (low) from the Oct 15, 2026 report: days to cover 20.8/25, change in short interest vs prior report 1.7/15, price change since settlement date 0/20. It is a transparent model of how crowded the short side is, not a forecast that a squeeze will happen.
What share of MPLT daily volume is sold short?
55.5% on average over the last 20 sessions to Nov 2, 2026 (FINRA Reg SHO daily short volume; the 23rd percentile of its own 20-day averages). Short volume counts market makers' same-day short sales, so it is not short interest.
What was MPLT's latest FINRA short volume?
On Nov 2, 2026, cached FINRA short volume for MapLight Therapeutics, Inc. Common Stock (MPLT) was 36,210 shares, 43.4% of 83,393 total volume.
How many MPLT short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for MapLight Therapeutics, Inc. Common Stock (MPLT), from Oct 20, 2026 through Nov 2, 2026.
How did MPLT short volume percent change from the prior cached session?
Cached FINRA short volume for MapLight Therapeutics, Inc. Common Stock (MPLT) moved from 35.0% on Oct 30, 2026 to 43.4% on Nov 2, 2026, up 8.4 percentage points.
Not investment advice. Figures as filed or reported, not a live feed.