FIX
Comfort Systems USA, Inc.
stockNYSE
At CloseOct 8, 2026 3:59:53 PM EDT
1,706.74USD-1.988%(-34.62)373,387
Pre-marketOct 9, 2026 8:12:30 AM EDT
1,736.91USD+1.789%(+30.53)
After-hoursOct 8, 2026 4:42:30 PM EDT
1,706.39USD-0.021%(-0.36)
As of 2026-09-15, there were 857,812 shares short with a short interest of 2.47%.
FIX Short Interest - Official
Short Interest
FIX Short Position Change - Official
Short Position Change
FIX Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-15 | 2.47 | 857,812 | 2.82 | -52,436 | -5.76 | 35,194,329 | 34,761,832 |
| 2026-08-31 | 2.62 | 910,248 | 2.21 | -4,801 | -0.52 | 35,194,329 | 34,761,832 |
| 2026-08-14 | 2.63 | 915,049 | 2.42 | +219,128 | +31.49 | 35,194,329 | 34,761,832 |
| 2026-07-31 | 2.00 | 695,921 | 1.12 | -143,337 | -17.08 | 35,194,329 | 34,761,832 |
| 2026-07-15 | 2.41 | 839,258 | 1.93 | +92,757 | +12.43 | 35,202,424 | 34,769,903 |
| 2026-06-30 | 2.15 | 746,501 | 1.21 | -40,402 | -5.13 | 35,183,967 | 34,764,728 |
| 2026-06-15 | 2.19 | 786,903 | 1.70 | -111,900 | -12.45 | 35,183,967 | 35,928,170 |
| 2026-05-15 | 2.50 | 898,803 | 2.34 | +138,068 | +18.15 | 35,202,424 | 35,924,895 |
| 2026-04-30 | 2.19 | 760,735 | 1.69 | +204 | +0.03 | 35,202,424 | 34,734,386 |
| 2026-04-15 | 2.19 | 760,531 | 2.27 | +139,197 | +22.40 | 35,174,967 | 34,734,386 |
| 2026-03-31 | 1.79 | 621,334 | 1.37 | -47,765 | -7.14 | 35,174,967 | 34,734,386 |
| 2026-03-13 | 1.93 | 669,099 | 1.52 | +16,253 | +2.49 | 35,174,967 | 34,734,386 |
| 2026-02-27 | 1.88 | 652,846 | 1.15 | +6,198 | +0.96 | 35,174,967 | 34,734,386 |
| 2026-02-13 | 1.86 | 646,648 | 1.62 | -86,160 | -11.76 | 35,271,950 | 34,734,386 |
| 2026-01-30 | 2.11 | 732,808 | 2.06 | -68,736 | -8.58 | 35,271,950 | 34,734,386 |
| 2026-01-15 | 2.31 | 801,544 | 1.77 | +26,476 | +3.42 | 35,271,950 | 34,734,386 |
| 2025-12-31 | 2.23 | 775,068 | 1.00 | -21,553 | -2.71 | 35,271,950 | 34,734,386 |
| 2025-12-15 | 2.29 | 796,621 | 1.69 | +61,647 | +8.39 | 35,271,950 | 34,734,386 |
| 2025-11-28 | 2.12 | 734,974 | 1.04 | +79,163 | +12.07 | 35,271,950 | 34,731,570 |
| 2025-11-14 | 1.89 | 655,811 | 1.72 | +97,378 | +17.44 | 35,271,950 | 34,710,455 |
| 2025-10-31 | 1.61 | 558,433 | 1.17 | -60,848 | -9.83 | 35,271,950 | 34,782,996 |
| 2025-10-15 | 1.78 | 619,281 | 2.04 | -45,861 | -6.89 | 35,281,452 | 34,706,449 |
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.