ARDX
Ardelyx, Inc.
stockNASDAQ
Market OpenOct 29, 2026 3:29:54 PM EDT
3.11USD+0.161%(+0.01)1,689,273
Pre-marketOct 29, 2026 9:19:30 AM EDT
3.13USD+0.968%(+0.03)
As of 2026-10-15, there were 30,237,216 shares short with a short interest of 12.63%.
ARDX Short Interest - Official
ARDX Short Position Change - Official
ARDX Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-10-15 | 12.63 | 30,237,216 | 6.48 | +2,560,590 | +9.25 | 258,187,572 | 239,443,503 |
| 2026-09-30 | 11.67 | 27,676,626 | 6.60 | +2,074,085 | +8.10 | 258,187,572 | 237,158,462 |
| 2026-09-15 | 10.80 | 25,602,541 | 6.34 | +2,886,340 | +12.71 | 258,187,572 | 237,158,462 |
| 2026-08-31 | 9.58 | 22,716,201 | 6.14 | +283,044 | +1.26 | 258,187,572 | 237,158,462 |
| 2026-08-14 | 9.46 | 22,433,157 | 3.32 | -3,806,069 | -14.51 | 258,187,572 | 237,158,462 |
| 2026-07-31 | 11.06 | 26,239,226 | 11.00 | -9,507 | -0.04 | 247,029,387 | 237,158,462 |
| 2026-07-15 | 11.07 | 26,248,733 | 8.06 | +882,242 | +3.48 | 247,029,387 | 237,138,452 |
| 2026-06-30 | 10.70 | 25,366,491 | 4.04 | -1,576,012 | -5.85 | 247,029,387 | 237,138,452 |
| 2026-06-15 | 11.40 | 26,942,503 | 8.58 | +3,085,136 | +12.93 | 247,029,387 | 236,417,622 |
| 2026-05-15 | 10.10 | 23,857,367 | 4.55 | +288,293 | +1.22 | 247,029,387 | 236,234,326 |
| 2026-04-30 | 10.08 | 23,569,074 | 7.30 | -449,251 | -1.87 | 247,029,387 | 233,921,760 |
| 2026-04-15 | 10.27 | 24,018,325 | 7.68 | -444,433 | -1.82 | 245,247,427 | 233,921,760 |
| 2026-03-31 | 10.46 | 24,462,758 | 6.81 | +2,761,437 | +12.72 | 245,247,427 | 233,921,760 |
| 2026-03-13 | 9.28 | 21,701,321 | 7.49 | -166,902 | -0.76 | 245,247,427 | 233,921,760 |
| 2026-02-27 | 9.35 | 21,868,223 | 4.09 | +1,347,611 | +6.57 | 242,974,306 | 233,921,760 |
| 2026-02-13 | 8.77 | 20,520,612 | 6.68 | +1,963,313 | +10.58 | 242,974,306 | 233,921,760 |
| 2026-01-30 | 7.93 | 18,557,299 | 3.74 | -3,276,287 | -15.01 | 242,974,306 | 233,921,760 |
| 2026-01-15 | 9.33 | 21,833,586 | 2.70 | -2,707,642 | -11.03 | 242,974,306 | 233,921,760 |
| 2025-12-31 | 10.49 | 24,541,228 | 8.84 | +3,876,820 | +18.76 | 242,974,306 | 233,921,760 |
| 2025-12-15 | 8.85 | 20,664,408 | 7.45 | +562,672 | +2.80 | 242,974,306 | 233,472,744 |
| 2025-11-28 | 8.57 | 20,101,736 | 7.57 | +1,532,868 | +8.26 | 242,974,306 | 234,596,552 |
| 2025-11-14 | 7.92 | 18,568,868 | 5.12 | -1,657,039 | -8.19 | 242,974,306 | 234,489,643 |
| 2025-10-31 | 8.69 | 20,225,907 | 4.44 | +1,113,677 | +5.83 | 242,974,306 | 232,644,822 |
Historical data is split-adjusted.
1 Data from Finra. Finra publishes an updated file every two weeks.
2 Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.