Ticker Short Interest
TNDM Short Interest Intelligence
Tandem Diabetes Care Inc positioning pressure, squeeze risk, bearish conviction, crowding, days to cover, and price-positioning divergence.
Bearish Conviction
Shorts Winning
TNDM is classified as Bearish Conviction. Latest reported short interest is 12.7M shares; short interest changed +17.3%, price moved -2.2% since the previous report, short interest is in the 100th percentile, and days to cover is in the 71th percentile. Trend context is weak.
Reported Short Interest
2026-03-31 to 2026-06-30Days To Cover
liquidity pressureShort Interest Change
report-to-reportPrice Context
2026-03-20 to 2026-06-26Squeeze Radar
64Elevated short interest becomes most interesting when price strength forces shorts to defend or cover.
Bearish Conviction
76Rising short interest alongside weak trend can mean the bearish trade is being reinforced, not trapped.
Crowding
87Latest short interest is 12.7M shares and days to cover is 5.62.
Divergence
0Short interest rose while price fell. The bearish trade is currently being confirmed by price.
Report History
TNDM Short Interest Ledger
| Settlement | Short interest | Previous | Change | Days cover | Average volume |
|---|---|---|---|---|---|
| 30 Jun 2026 | 12731073 | 10854250 | 17.3% | 5.62 | 2264384 |
| 15 Jun 2026 | 10854250 | 11788786 | -7.9% | 4.07 | 2664903 |
| 29 May 2026 | 11788786 | 10801432 | 9.1% | 4.15 | 2837954 |
| 15 May 2026 | 10801432 | 9723853 | 11.1% | 3.35 | 3219924 |
| 30 Apr 2026 | 9723853 | 9643357 | 0.8% | 6.17 | 1575913 |
| 15 Apr 2026 | 9643357 | 10531890 | -8.4% | 6.47 | 1489672 |
| 31 Mar 2026 | 10531890 | 10547769 | -0.2% | 5.05 | 2083557 |
Short interest is delayed, reported on a periodic schedule, and may be revised. The dashboard is research context only and does not prove real-time short activity.