Most Shorted Stocks Today: May 28, 2026 — Top 25 Squeeze Candidates
GRPN tops Tapeboard's most shorted stocks leaderboard on May 28, 2026 with a perfect 100 squeeze score and 58.1% short interest, leading a board where borrow costs split between three triple-and-double-digit-fee outliers and a deep group of high-SI biotech and clean-energy names.
On May 28, 2026, GRPN tops Tapeboard's short squeeze leaderboard with a maximum score of 100.0, built on 58.1% short interest as a share of float, a low 0.8% annualized IBKR borrow fee, and 4.9 days to cover at recent volume. The board splits sharply on borrow cost: three names carry punishing fees — GOVX at 551.2%, TOPS at 30.4%, and LCID at 14.0% — while every other name borrows under 2.5%. Nineteen of the top 25 candidates sit on the FINRA threshold short-volume list, a tape-level pressure signal that runs alongside the headline SI%Float readings.
May 28, 2026 Top 25 Short Squeeze Candidates
| Rank | Symbol | Squeeze Score | SI % Float | Borrow Fee | Days to Cover | T |
|---|---|---|---|---|---|---|
| 1 | GRPN | 100.0 | 58.1% | 0.8% | 4.9 | T |
| 2 | RH | 92.6 | 57.3% | 0.4% | 6.3 | T |
| 3 | TOPS | 90.3 | 45.0% | 30.4% | 1.2 | |
| 5 | GOVX | 84.7 | 13.6% | 551.2% | 1.0 | T |
| 6 | NTLA | 81.5 | 46.8% | 0.4% | 6.2 | T |
| 7 | RXRX | 79.9 | 36.8% | 0.9% | 14.4 | T |
| 8 | BEAM | 75.7 | 39.9% | 0.3% | 12.2 | T |
| 9 | CLSK | 73.7 | 45.8% | 0.3% | 4.1 | T |
| 10 | BTDR | 72.6 | 34.8% | 0.6% | 7.6 | |
| 11 | EVGO | 72.4 | 33.6% | 0.6% | 11.9 | T |
| 12 | IBRX | 71.3 | 34.2% | 2.5% | 10.4 | T |
| 13 | CRSP | 70.6 | 32.4% | 0.5% | 15.1 | |
| 14 | AI | 70.5 | 35.5% | 0.4% | 10.1 | |
| 15 | TWST | 70.2 | 34.2% | 0.3% | 11.3 | T |
| 17 | LCID | 67.7 | 37.9% | 14.0% | 2.6 | |
| 18 | PLAY | 67.2 | 34.4% | 0.4% | 5.2 | |
| 19 | ARCT | 66.6 | 28.8% | 0.5% | 16.0 | T |
| 20 | TRIP | 66.5 | 32.5% | 0.4% | 10.5 | T |
| 21 | KOD | 65.7 | 25.9% | 0.4% | 16.2 | T |
| 23 | INDI | 64.2 | 29.3% | 2.2% | 10.5 | T |
| 24 | CSIQ | 63.7 | 31.4% | 1.0% | 6.7 | T |
| 25 | NVAX | 62.0 | 27.7% | 0.5% | 9.1 | T |
| 26 | UPST | 61.9 | 32.0% | 0.4% | 5.3 | T |
| 27 | ASAN | 60.6 | 33.2% | 0.4% | 4.7 | T |
| 28 | SVRA | 60.6 | 15.9% | 0.4% | 22.3 | T |
Top 5 Most Shorted Stocks on May 28, 2026
1. GRPN — Squeeze Score 100.0
GRPN leads on the size of its short book, not borrow cost: 58.1% of float is held short while float utilization sits at 55.0% and the borrow fee stays cheap at 0.8%. Days to cover is 4.89 and price is $21.26. This is the textbook high-SI, low-fee setup — shorts have built a large position without paying up to hold it, so the trigger is mechanical rather than financial: a positive catalyst that forces covering, not mounting carry cost. Threshold-flagged.
2. RH — Squeeze Score 92.6
RH runs second on a near-identical profile: 57.3% SI%Float against a 0.4% borrow fee and 6.26 days to cover, with 39.1% float utilization. At $149.55 it is by far the highest-priced name in the top 10 and the only large-cap-style ticker near the top of the board. The mechanics mirror GRPN — a heavy short book that is cheap to carry — so covering pressure has to build on price action rather than borrow duress. Threshold-flagged.
3. TOPS — Squeeze Score 90.3
TOPS is a different animal: a 30.4% annualized borrow fee and 65.5% float utilization — the highest utilization on the board — against 45.0% SI%Float and just 1.21 days to cover. Price is $0.93. This is a high-fee, tight-float micro-cap where the stock-loan market is both expensive and heavily tapped; the low days-to-cover means concentrated short volume could clear quickly if buyers step in for size. Not threshold-flagged.
5. GOVX — Squeeze Score 84.7
GOVX is the borrow-cost outlier of the entire board at 551.2% annualized — a stock-loan market that is effectively closed. SI%Float and float utilization are both modest at 13.6%, and days to cover is 1.0, but a triple-digit fee describes shorts paying punishing carry to keep even a small position open. At $2.30, any further tightening of borrow availability makes the cost-to-stay-short untenable and turns covering into the only release valve. Threshold-flagged.
6. NTLA — Squeeze Score 81.5
NTLA shows 46.8% SI%Float — among the highest readings in the top 25 — with a 0.4% borrow fee, 6.19 days to cover, and 38.6% float utilization at $13.72. Like GRPN and RH, the squeeze case rests on the size of the short book rather than its cost: shorts are not under fee pressure, so a forced unwind needs a price catalyst to begin. Threshold-flagged.
Highest Borrow Fees on May 28, 2026
GOVX dominates borrow cost at 551.2% annualized, followed by TOPS at 30.4% and LCID at 14.0%. Outside those three, the next-highest fees are IBRX at 2.5% and INDI at 2.2%; every other name on the board borrows under 1.1%. Today's setups are therefore split — a handful of names under genuine borrow-cost duress, and a much larger group where SI%Float, float utilization, and days to cover carry the score.
Stocks Flagged on the FINRA Threshold List
The T column flags symbols on the FINRA Consolidated NMS daily short-volume threshold list — names where short-side volume has been at least 50% of total reported volume on a sustained basis within the last seven trading days. It is a real-tape pressure signal, distinct from the headline SI%Float reading. On May 28, 2026, 19 of the top 25 candidates carry the flag. See /methodology/short-squeeze-score for the full scoring breakdown.
How the Tapeboard Squeeze Score Is Built
The Tapeboard squeeze score is a weighted blend: 35% short interest as a percentage of float (Yahoo), 25% borrow fee rate (IBKR via iborrowdesk.com), 20% float utilization, 15% days to cover, and 5% five-day price momentum (Schwab). Each input is normalized and capped before weighting; the full formula and clamps live at /methodology/short-squeeze-score.
Tomorrow's Most Shorted Stocks Update
Tomorrow's update lands first on the live leaderboard.