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HowShorted

FMUB short interest Nasdaq Global Market

Fidelity Merrimack Street Trus. FINRA's reported shares short for this symbol, twice a month by settlement date, shown as the regulator publishes them. No percentage is shown: no SEC filer maps to the symbol (funds, notes, preferreds, warrants and foreign listings).

Shares short
42,911
vs previous settlement
−17,594 (-29.1%)
days to cover
1.00
Settlement date
15 Sep 2026

Shares short over time

Aggregate net short position time series for FMUB shares short

Days to cover

FINRA's own figure: reported shares short divided by the security's average daily trading volume, published alongside each settlement.

Aggregate net short position time series for FMUB days to cover

Fails to deliver

The SEC's fails-to-deliver figure for FMUB: the aggregate net balance of shares that failed to be delivered at each settlement date, published by the SEC twice a month and shown here verbatim for the trailing window. A balance is not a daily flow, and a fail has many ordinary causes; the SEC says it cannot guarantee the accuracy of the data. See what fails to deliver are and the largest balances today.

Last balance on file
5,085
8 Sep 2026
Highest in window
25,731
22 Sep 2025
Days with a balance
198
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Fidelity Merrimack Street Trus fails to deliver

Source: U.S. Securities and Exchange Commission, fails-to-deliver data (public domain). Only settlement days with a positive balance appear; the largest balance in the window was 26K shares.

History

Every FINRA settlement we hold for FMUB, newest first.

Full reported short interest history
Settlement dateShares shortChangeDays to cover
15 Sep 202642,911−17,5941.00
31 Aug 202660,505+23,5411.07
14 Aug 202636,964+6731.00
31 Jul 202636,291−13,7791.00
15 Jul 202650,070+23,6741.00
30 Jun 202626,396−4,4801.16
15 Jun 202630,876+7,2041.59
29 May 202623,672+4,4011.05
15 May 202619,271+1,9401.00
30 Apr 202617,331−4,5061.00
15 Apr 202621,837−10,7081.00
31 Mar 202632,545+28,0791.00
13 Mar 20264,466−2,1641.00
27 Feb 20266,630+3,8011.00
13 Feb 20262,829+9131.00
30 Jan 20261,916+1,7021.00
15 Jan 2026214−3,5311.00
31 Dec 20253,745−8,2611.00
15 Dec 202512,006−4,2821.03
28 Nov 202516,288−6782.36
14 Nov 202516,966−6,0502.34
31 Oct 202523,016−1751.92
15 Oct 202523,191−312.76
30 Sep 202523,222+3,4441.46
15 Sep 202519,778+5,7222.33
29 Aug 202514,056+1,0651.00
15 Aug 202512,991+9,2501.88
31 Jul 20253,741+1191.00
15 Jul 20253,622+3,1441.00
30 Jun 2025478−16,1151.00
13 Jun 202516,593+16,2231.00
30 May 2025370−1,0811.00
15 May 20251,451+1,3091.00
30 Apr 2025142−5,0801.00
15 Apr 20255,222–2.09

Scroll inside the table for earlier settlements, back to 15 Apr 2025.

Questions

Frequently asked questions

What is FMUB's short interest?
42,911 shares short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report, down 17,594 from the previous settlement.
Why is there no percentage for FMUB?
Because no defensible share count exists to divide by: no SEC filer maps to the symbol (funds, notes, preferreds, warrants and foreign listings). No SEC filer maps to this symbol in EDGAR's ticker file. That is the normal case for funds, exchange-traded notes, preferred shares, warrants, units and foreign listings, none of which file a share count we could divide by.
What is FMUB's days to cover?
1.00 days for settlement date 15 Sep 2026: FINRA's own short interest ratio, the reported shares short divided by average daily trading volume, published in the same file and shown verbatim. We hold no volume data ourselves.
Is this the short float?
No. This page shows FINRA's share count only. Short float divides that count by the public float, and short interest as we publish it elsewhere divides it by shares outstanding from SEC filings. Neither denominator is available for this line, so neither ratio is shown.
How often does this update?
FINRA member firms report short positions as of the 15th and the last business day of each month, and FINRA publishes the consolidated figures about nine business days later. We ingest each file the day it appears and re-read recent settlements for revisions.

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