MUB short interest

iShares National Muni Bond ETF · Unclassified (ETFs, funds, other) · settlement date 2026-09-30

Shares short14,291,040
Change vs prior report2,337,936 (+19.6%)
Change over six months+124.3%
Days to cover1.00 (sector: 0.98)
Average daily volume17,025,567
Rank in Unclassified (ETFs, funds, other)not ranked (OTC, fund or thinly traded)

MUB short interest, last 12 months

SettlementShares shortChangeDays to coverAvg daily volume
2026-09-3014,291,040+19.6%1.0017,025,567
2026-09-1511,953,104+48.1%1.0411,513,945
2026-08-318,073,285+43.4%1.894,267,656
2026-08-145,631,235-7.3%1.394,058,606
2026-07-316,073,057+9.4%1.294,722,123
2026-07-155,552,133+28.0%1.673,323,842
2026-06-304,336,352-19.7%1.423,055,693
2026-06-155,400,428+31.2%1.523,552,003
2026-05-294,115,353-18.5%1.063,878,045
2026-05-155,051,099-21.0%1.653,059,828
2026-04-306,390,813+6.0%2.242,849,748
2026-04-156,031,415-5.3%1.504,020,962
2026-03-316,371,213-19.3%1.255,087,956
2026-03-137,898,623+1.8%2.083,789,165
2026-02-277,762,715-7.5%2.922,654,078
2026-02-138,397,056+16.0%2.483,389,982
2026-01-307,239,001-6.6%1.784,074,314
2026-01-157,753,659+13.5%1.714,534,440
2025-12-316,830,735-1.0%2.103,246,840
2025-12-156,902,026+1.2%2.063,348,183
2025-11-286,820,758-9.2%1.574,342,846
2025-11-147,508,165+2.9%1.734,337,453
2025-10-317,298,352-2.6%1.953,739,213
2025-10-157,490,019+8.1%2.473,038,205
2025-09-306,926,282-4.6%1.414,906,238
import finzdata as yf
yf.Ticker("MUB").short_interest          # every report since 2017
yf.Client().short_interest(["MUB"], start="2018-01-01")

Unclassified (ETFs, funds, other) short interest · MUB price history · Who owns MUB · All short interest

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