COST short interest
Costco Wholesale Corporation · Consumer Defensive · Discount Stores · settlement date 2026-09-30
| Shares short | 7,325,824 |
|---|---|
| Change vs prior report | -34,750 (-0.5%) |
| Change over six months | +16.3% |
| Days to cover | 2.74 (sector: 3.68) |
| Average daily volume | 2,675,021 |
| Rank in Consumer Defensive | #134 of 185 by days to cover |
COST short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 7,325,824 | -0.5% | 2.74 | 2,675,021 |
| 2026-09-15 | 7,360,574 | -2.9% | 3.67 | 2,005,794 |
| 2026-08-31 | 7,577,940 | +2.9% | 4.09 | 1,851,928 |
| 2026-08-14 | 7,364,782 | -3.8% | 4.38 | 1,682,135 |
| 2026-07-31 | 7,655,966 | +10.0% | 3.75 | 2,042,482 |
| 2026-07-15 | 6,957,664 | -4.5% | 2.75 | 2,532,106 |
| 2026-06-30 | 7,284,892 | -7.1% | 2.44 | 2,985,147 |
| 2026-06-15 | 7,837,886 | -0.5% | 3.61 | 2,171,244 |
| 2026-05-29 | 7,878,688 | +7.1% | 2.68 | 2,944,359 |
| 2026-05-15 | 7,357,205 | +9.4% | 3.99 | 1,844,723 |
| 2026-04-30 | 6,725,461 | +2.7% | 4.08 | 1,648,849 |
| 2026-04-15 | 6,550,081 | +4.0% | 3.42 | 1,917,216 |
| 2026-03-31 | 6,300,039 | +0.1% | 3.87 | 1,628,042 |
| 2026-03-13 | 6,295,610 | -1.5% | 3.23 | 1,952,006 |
| 2026-02-27 | 6,388,788 | -8.8% | 3.50 | 1,827,538 |
| 2026-02-13 | 7,002,026 | -1.7% | 2.90 | 2,417,078 |
| 2026-01-30 | 7,122,161 | -9.4% | 2.75 | 2,594,043 |
| 2026-01-15 | 7,859,282 | +5.4% | 2.72 | 2,887,500 |
| 2025-12-31 | 7,456,384 | +10.7% | 2.65 | 2,811,324 |
| 2025-12-15 | 6,737,305 | -12.2% | 2.29 | 2,939,659 |
| 2025-11-28 | 7,678,174 | +6.3% | 2.94 | 2,608,702 |
| 2025-11-14 | 7,220,010 | +4.1% | 2.92 | 2,470,013 |
| 2025-10-31 | 6,934,489 | -0.2% | 3.24 | 2,141,642 |
| 2025-10-15 | 6,948,318 | +3.9% | 2.79 | 2,486,342 |
| 2025-09-30 | 6,685,683 | +2.2% | 2.22 | 3,008,068 |
import finzdata as yf
yf.Ticker("COST").short_interest # every report since 2017
yf.Client().short_interest(["COST"], start="2018-01-01")Consumer Defensive short interest · COST price history · Who owns COST · All short interest