TAC
TransAlta Corporation
stockNYSE
Market OpenNov 13, 2026 12:52:33 PM EST
13.18USD-0.753%(-0.10)160,497
Pre-marketNov 13, 2026 8:49:30 AM EST
13.39USD+0.828%(+0.11)
As of 2026-10-30, there were 14,057,098 shares short with a short interest of 5.29%.
TAC Short Interest - Official
TAC Short Position Change - Official
TAC Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-10-30 | 5.29 | 14,057,098 | 11.11 | -1,079,530 | -7.13 | 316,300,000 | 265,733,119 |
| 2026-10-15 | 5.70 | 15,136,628 | 10.97 | +865,616 | +6.07 | 316,300,000 | 265,733,119 |
| 2026-09-30 | 5.39 | 14,271,012 | 8.64 | +598,012 | +4.37 | 316,300,000 | 264,762,078 |
| 2026-09-15 | 5.16 | 13,673,000 | 5.22 | +2,067,820 | +17.82 | 316,300,000 | 264,762,078 |
| 2026-08-31 | 4.38 | 11,605,180 | 8.00 | +2,814,832 | +32.02 | 316,300,000 | 264,762,078 |
| 2026-08-14 | 3.32 | 8,790,348 | 4.63 | +454,639 | +5.45 | 316,300,000 | 264,762,078 |
| 2026-07-31 | 3.34 | 8,335,709 | 5.35 | +1,768,464 | +26.93 | 316,014,901 | 249,276,468 |
| 2026-07-15 | 2.63 | 6,567,245 | 4.27 | +870,148 | +15.27 | 316,014,901 | 249,276,468 |
| 2026-06-30 | 2.31 | 5,697,097 | 3.63 | -25,182 | -0.44 | 316,014,901 | 246,256,776 |
| 2026-06-15 | 2.32 | 5,722,279 | 2.15 | +407,365 | +7.66 | 316,014,901 | 246,268,688 |
| 2026-05-15 | 2.16 | 5,314,914 | 4.27 | +789,255 | +17.44 | 297,800,000 | 246,289,534 |
| 2026-04-30 | 1.84 | 4,525,659 | 3.52 | -669,462 | -12.89 | 296,800,000 | 246,097,815 |
| 2026-04-15 | 2.11 | 5,195,121 | 5.39 | -156,924 | -2.93 | 296,800,000 | 246,097,815 |
| 2026-03-31 | 2.17 | 5,352,045 | 2.88 | -2,009,288 | -27.30 | 296,800,000 | 246,097,815 |
| 2026-03-13 | 2.99 | 7,361,333 | 4.65 | +846,328 | +12.99 | 296,800,000 | 246,097,815 |
| 2026-02-27 | 2.65 | 6,515,005 | 4.38 | -428,366 | -6.17 | 296,700,000 | 246,097,815 |
| 2026-02-13 | 2.82 | 6,943,371 | 4.94 | +205,099 | +3.04 | 296,700,000 | 246,097,815 |
| 2026-01-30 | 2.74 | 6,738,272 | 3.00 | +403,019 | +6.36 | 296,700,000 | 246,097,815 |
| 2026-01-15 | 2.57 | 6,335,253 | 5.54 | +2,987,396 | +89.23 | 296,700,000 | 246,097,815 |
| 2025-12-31 | 1.36 | 3,347,857 | 2.55 | +365,004 | +12.24 | 296,700,000 | 246,097,815 |
| 2025-12-15 | 1.21 | 2,982,853 | 2.41 | -15,094 | -0.50 | 296,700,000 | 246,100,782 |
| 2025-11-28 | 1.22 | 2,997,947 | 1.85 | -948,154 | -24.03 | 296,700,000 | 246,100,782 |
| 2025-11-14 | 1.51 | 3,946,101 | 1.36 | +835,223 | +26.85 | 296,700,000 | 261,235,449 |
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.