EFFI
Harbor Osmosis International Resource Efficient ETF
stockNYSEETF
At CloseOct 2, 2026 10:42:01 AM EDT
26.09USD0.000%(+26.09)312
24.99Bid26.87Ask1.88SpreadAs of 2026-09-15, there were 5,415 shares short with a short interest of 0.10%.
EFFI Short Interest - Official
Short Interest
EFFI Short Position Change - Official
Short Position Change
EFFI 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 | 0.10 | 5,415 | 51.08 | -732 | -11.91 | 5,625,000 | 5,625,000 |
| 2026-08-31 | 0.11 | 6,147 | 1.05 | -622 | -9.19 | 5,800,000 | 5,800,000 |
| 2026-08-14 | 0.12 | 6,769 | 16.43 | +126 | +1.90 | 5,650,000 | 5,650,000 |
| 2026-07-31 | 0.12 | 6,643 | 34.42 | -208 | -3.04 | 5,650,000 | 5,650,000 |
| 2026-07-15 | 0.12 | 6,851 | 15.19 | -61 | -0.88 | 5,650,000 | 5,650,000 |
| 2026-06-30 | 0.12 | 6,912 | 21.60 | -258 | -3.60 | 5,650,000 | 5,650,000 |
| 2026-06-15 | 0.13 | 7,170 | 45.09 | -887 | -11.01 | 5,650,000 | 5,650,000 |
| 2026-05-15 | 0.14 | 8,057 | 11.68 | -873 | -9.78 | 5,650,000 | 5,650,000 |
| 2026-04-30 | 0.16 | 8,930 | 8.84 | +8,434 | +1,700.40 | 5,650,000 | 5,650,000 |
| 2026-04-15 | 0.01 | 496 | 1.98 | +324 | +188.37 | 5,650,000 | 5,650,000 |
| 2026-03-31 | 0.00 | 172 | 1.00 | +69 | +66.99 | 5,575,000 | 5,575,000 |
| 2026-03-13 | 0.00 | 103 | 1.00 | -330 | -76.21 | 5,550,000 | 5,550,000 |
| 2026-02-27 | 0.01 | 433 | 3.64 | +199 | +85.04 | 5,550,000 | 5,550,000 |
| 2026-02-13 | 0.00 | 234 | 3.21 | +4 | +1.74 | 5,550,000 | 5,550,000 |
| 2026-01-30 | 0.00 | 230 | 1.10 | +38 | +19.79 | 5,550,000 | 5,550,000 |
| 2026-01-15 | 0.00 | 192 | 1.24 | -192 | -50.00 | 5,550,000 | 5,550,000 |
| 2025-12-31 | 0.01 | 384 | 1.29 | +187 | +94.92 | 5,550,000 | 5,550,000 |
| 2025-12-15 | 0.00 | 197 | 5.18 | -4 | -1.99 | 5,550,000 | 5,550,000 |
| 2025-11-28 | 0.00 | 201 | 2.39 | +3 | +1.52 | 5,550,000 | 5,550,000 |
| 2025-11-14 | 0.00 | 198 | 2.51 | +33 | +20.00 | 5,550,000 | 5,550,000 |
| 2025-10-31 | 0.00 | 165 | 3.37 | -116 | -41.28 | 5,550,000 | 5,550,000 |
| 2025-10-15 | 0.01 | 281 | 3.31 | +29 | +11.51 | 5,550,000 | 5,550,000 |
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.