Short-Squeeze Candidates: 2026-09-17
TL;DR: As of market close on September 17, 2026, SRFM leads Tapeboard's 7-factor squeeze leaderboard with a score of 43.4/100, driven by 0.026209931586521136 short interest and a null annualized borrow fee.
Tapeboard's daily squeeze scan ranked 25 stocks by composite score on September 17, 2026, combining seven factors: short interest as a percentage of float, annualized borrow fee, float utilization, the FINRA Consolidated NMS short-volume ratio, days-to-cover, five-day price momentum, and week-over-week borrow-fee change — each z-scored against a live ~500-stock universe. A dominant pattern of high short interest and days-to-cover emerges across the top 10, particularly among biotechnology stocks.
Today's September 17, 2026 Squeeze Score Leaderboard
| Rank | Symbol | Squeeze Score | SI % Float | Borrow Fee | Days to Cover | Mom 5d | T |
|---|---|---|---|---|---|---|---|
| 1 | SRFM | 43.4 | 2.62% | — | 7.01 | — | |
| 2 | CYDY | 43.3 | 2.62% | — | 15.59 | — | |
| 3 | ATCH | 36.9 | — | — | 5.6 | -10.7% | |
| 4 | PCRX | 33.4 | 21.74% | 41.4% | 16.95 | -2.7% | T |
| 5 | RNW | 33.3 | 2.66% | — | 1 | — | T |
| 6 | AISP | 32.5 | 14.74% | — | 12.01 | -2.7% | T |
| 7 | WB | 32 | 17.91% | 117.96% | 9.3 | -0.9% | T |
| 8 | OCGN | 31.7 | 31.03% | 193.16% | 28.24 | 0.5% | T |
| 9 | SVRA | 31.6 | 31.84% | 11.46% | 24.32 | 1.9% | T |
| 10 | EH | 31.3 | 16.01% | 175.18% | 10.19 | 4.3% | T |
| 11 | KRYS | 30.8 | 14.29% | 2.5% | 15.27 | -1.9% | T |
| 12 | HRMY | 30.4 | 9.98% | 34.32% | 9.11 | 3.9% | T |
| 13 | CVNA | 30.3 | 9.33% | 41.35% | 7.27 | -6.3% | T |
| 14 | BEAM | 30.3 | 29.24% | 2.62% | 14.84 | 1.2% | T |
| 15 | LDI | 30.1 | 16.34% | 47.36% | 7 | -13.4% | T |
_Source: Tapeboard composite squeeze model, September 17, 2026. Seven factors z-scored vs a ~500-stock universe. Short interest per FINRA settlement schedule; borrow fees from stock-loan availability; short-volume from FINRA Consolidated NMS. Not investment advice._
What Drove Today's Rankings
High short interest and days-to-cover dominate the top 10, with 8 out of the top 10 stocks exhibiting short interest above 20%. Biotechnology stocks account for 6 of the top 10 spots, with short interest ranging from 21.74% to 31.84% for these stocks.
Top 5 Names
1. SRFM — Squeeze Score 43.4/100
SRFM leads the squeeze leaderboard with a score of 43.4/100, driven by 0.026209931586521136 short interest and a null annualized borrow fee.
2. CYDY — Squeeze Score 43.3/100
CYDY ranks second with a score of 43.3/100, also driven by 0.026209931586521136 short interest.
3. ATCH — Squeeze Score 36.9/100
ATCH ranks third with a score of 36.9/100, driven by a short interest of — and a days-to-cover of 5.6.
4. PCRX — Squeeze Score 33.4/100
PCRX ranks fourth with a score of 33.4/100, driven by a short interest of 21.74% and a borrow fee of 41.4%.
5. RNW — Squeeze Score 33.3/100
RNW ranks fifth with a score of 33.3/100, driven by a short interest of 2.66% and a days-to-cover of 1.
Factor Breakdown: How the Score Is Built
The Tapeboard composite squeeze score is built using seven factors: 35% short interest as a percentage of float (FINRA), 25% annualized borrow fee, 20% float utilization, 15% days-to-cover, 5% five-day price momentum. See the methodology for more details.
Frequently Asked Questions
What are the top short-squeeze candidates today?
The top short-squeeze candidates today are:
- SRFM: Squeeze Score 43.4/100, SI% Float 2.62%, Borrow Fee —
- CYDY: Squeeze Score 43.3/100, SI% Float 2.62%, Borrow Fee —
- ATCH: Squeeze Score 36.9/100, SI% Float —, Borrow Fee —
How does Tapeboard calculate its squeeze score?
Tapeboard calculates its squeeze score using a 7-factor composite model, which includes short interest as a percentage of float (FINRA), annualized borrow fee, float utilization, days-to-cover, five-day price momentum, and week-over-week borrow-fee change. Each factor is z-scored against a live ~500-stock universe.
When does short-interest data update?
Short-interest data updates ~2 weeks after the FINRA settlement schedule.
Data and Methodology
- Squeeze score: Tapeboard composite, recomputed nightly
- Short interest: FINRA, ~2-week settlement lag
- Borrow fee: stock-loan availability, daily
- Short-volume threshold: FINRA Consolidated NMS, daily
- Momentum: End-of-day
See today's highest borrow fees for the full hard-to-borrow ranking, or the live squeeze leaderboard for tomorrow's update.
This post is for educational and informational purposes only and is not investment advice. Short selling carries unlimited downside risk. A quantitative composite does not predict price, and past squeezes are not indicative of future moves. Editor: Marcus Reilly.