MBB short interest
iShares MBS ETF · Unclassified (ETFs, funds, other) · settlement date 2026-09-30
| Shares short | 1,561,180 |
|---|---|
| Change vs prior report | -5,011,361 (-76.2%) |
| Change over six months | +24.0% |
| Days to cover | 1.00 (sector: 0.98) |
| Average daily volume | 11,318,982 |
| Rank in Unclassified (ETFs, funds, other) | not ranked (OTC, fund or thinly traded) |
MBB short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 1,561,180 | -76.2% | 1.00 | 11,318,982 |
| 2026-09-15 | 6,572,541 | +98.3% | 2.55 | 2,578,761 |
| 2026-08-31 | 3,314,215 | +69.6% | 1.00 | 3,758,222 |
| 2026-08-14 | 1,954,158 | -17.0% | 1.03 | 1,892,837 |
| 2026-07-31 | 2,354,361 | +8.5% | 1.14 | 2,064,874 |
| 2026-07-15 | 2,170,254 | -2.7% | 1.11 | 1,956,754 |
| 2026-06-30 | 2,231,490 | -25.6% | 1.13 | 1,967,213 |
| 2026-06-15 | 2,999,981 | -6.8% | 1.25 | 2,408,329 |
| 2026-05-29 | 3,220,254 | +20.1% | 1.17 | 2,745,886 |
| 2026-05-15 | 2,680,359 | +50.8% | 1.36 | 1,975,740 |
| 2026-04-30 | 1,777,785 | +17.7% | 1.00 | 1,817,926 |
| 2026-04-15 | 1,509,940 | +20.0% | 1.00 | 2,246,256 |
| 2026-03-31 | 1,258,659 | -23.1% | 1.00 | 3,316,614 |
| 2026-03-13 | 1,636,658 | -48.6% | 1.00 | 2,868,455 |
| 2026-02-27 | 3,184,394 | -2.6% | 1.59 | 2,001,670 |
| 2026-02-13 | 3,268,802 | +82.4% | 1.19 | 2,740,571 |
| 2026-01-30 | 1,792,532 | -44.3% | 1.00 | 2,509,240 |
| 2026-01-15 | 3,216,263 | -12.3% | 1.00 | 4,446,511 |
| 2025-12-31 | 3,667,529 | +6.2% | 1.83 | 2,001,047 |
| 2025-12-15 | 3,453,251 | -18.3% | 1.34 | 2,576,169 |
| 2025-11-28 | 4,227,385 | +22.7% | 1.33 | 3,174,024 |
| 2025-11-14 | 3,444,695 | -8.6% | 1.00 | 4,528,188 |
| 2025-10-31 | 3,770,098 | +1.6% | 1.00 | 3,810,949 |
| 2025-10-15 | 3,709,543 | -37.3% | 1.00 | 3,800,597 |
| 2025-09-30 | 5,912,378 | +45.0% | 1.59 | 3,712,529 |
import finzdata as yf
yf.Ticker("MBB").short_interest # every report since 2017
yf.Client().short_interest(["MBB"], start="2018-01-01")Unclassified (ETFs, funds, other) short interest · MBB price history · Who owns MBB · All short interest