TNDM · Tandem Diabetes Care Inc
Total shares sold short and not yet covered, reported to FINRA by broker-dealers twice a month. Each reading settles on the 15th and the last business day of the month and is published seven business days later — the next scheduled dates are listed at the top of the table. Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.
Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-07-15). Weighted mean of the available factors (short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, fails-to-deliver 10%) plus catalyst boosts (price spike, volume surge, earnings within days), capped at +20 and clamped to 100.
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
|
2026-08-14
Scheduled
FINRA publishes Aug 25
|
— | — | — | — |
|
2026-07-31
Scheduled
FINRA publishes Aug 11
|
— | — | — | — |
| 2026-07-15 | 13,115,208 | 12,731,073 | +384,135 | 8.73 |
| 2026-06-30 | 12,731,073 | 10,854,250 | +1,876,823 | 5.62 |
| 2026-06-15 | 10,854,250 | 11,788,786 | -934,536 | 4.07 |
| 2026-05-29 | 11,788,786 | 10,801,432 | +987,354 | 4.15 |
| 2026-05-15 | 10,801,432 | 9,723,853 | +1,077,579 | 3.35 |
| 2026-04-30 | 9,723,853 | 9,643,357 | +80,496 | 6.17 |
| 2026-04-15 | 9,643,357 | 10,531,890 | -888,533 | 6.47 |
| 2026-03-31 | 10,531,890 | 10,547,769 | -15,879 | 5.05 |
| 2026-03-13 | 10,547,769 | 9,763,559 | +784,210 | 6.00 |
| 2026-02-27 | 9,763,559 | 8,960,466 | +803,093 | 2.29 |
| 2026-02-13 | 8,960,466 | 8,934,137 | +26,329 | 9.17 |
| 2026-01-30 | 8,934,137 | 9,004,559 | -70,422 | 6.56 |
| 2026-01-15 | 9,004,559 | 8,544,303 | +460,256 | 6.78 |
| 2025-12-31 | 8,544,303 | 8,176,917 | +367,386 | 6.70 |
| 2025-12-15 | 8,176,917 | 8,753,315 | -576,398 | 4.61 |
| 2025-11-28 | 8,753,315 | 8,787,092 | -33,777 | 3.12 |
| 2025-11-14 | 8,787,092 | 8,766,366 | +20,726 | 3.09 |
| 2025-10-31 | 8,766,366 | 9,237,943 | -471,577 | 5.93 |
| 2025-10-15 | 9,237,943 | 9,278,427 | -40,484 | 4.43 |
| 2025-09-30 | 9,278,427 | 7,933,381 | +1,345,046 | 5.01 |
| 2025-09-15 | 7,933,381 | 6,652,820 | +1,280,561 | 4.82 |
| 2025-08-29 | 6,652,820 | 5,769,176 | +883,644 | 3.33 |
| 2025-08-15 | 5,769,176 | 8,746,041 | -2,976,865 | 1.67 |