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HowShorted

MRNY short interest NYSE Arca

YieldMax MRNA Option Income St. FINRA's reported shares short for this symbol, twice a month by settlement date, shown as the regulator publishes them. No percentage is shown: exchange-traded product: its share count floats with creation and redemption.

Shares short
80,671
vs previous settlement
+29,387 (+57.3%)
days to cover
1.00
Settlement date
15 Sep 2026

Shares short over time

Aggregate net short position time series for MRNY 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 MRNY days to cover

Fails to deliver

The SEC's fails-to-deliver figure for MRNY: 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.

Latest balance
353
14 Sep 2026
Highest in window
622,569
15 Oct 2025
Days with a balance
169
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for YieldMax MRNA Option Income St 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 623K shares.

History

Every FINRA settlement we hold for MRNY, newest first.

Full reported short interest history
Settlement dateShares shortChangeDays to cover
15 Sep 202680,671+29,3871.00
31 Aug 202651,284−15,8361.00
14 Aug 202667,120−87,7751.00
31 Jul 2026154,895+21,4101.00
15 Jul 2026133,485+13,6421.00
30 Jun 2026119,843+27,8231.00
15 Jun 202692,020−41,0911.00
29 May 2026133,111+34,9241.11
15 May 202698,187+2,6881.00
30 Apr 202695,499+15,9811.00
15 Apr 202679,518+24,0501.00
31 Mar 202655,468−7,8911.00
13 Mar 202663,359−77,0311.00
27 Feb 2026140,390+74,3881.00
13 Feb 202666,002−10,1341.00
30 Jan 202676,136+24,2241.00
15 Jan 202651,912−387,3201.00
31 Dec 2025439,232+8,8303.18
15 Dec 2025430,402−2,917,3243.70
28 Nov 20253,347,726−78,5311.80
14 Nov 20253,426,257−12,3442.12
31 Oct 20253,438,601−1,746,5981.57
15 Oct 20255,185,199+1,909,0813.13
30 Sep 20253,276,118−2,660,4232.63
15 Sep 20255,936,541+5,510,9091.51
29 Aug 2025425,632−953,9651.00
15 Aug 20251,379,597−1,019,3891.00
31 Jul 20252,398,986−1,404,3381.00
15 Jul 20253,803,324+3,312,9531.28
30 Jun 2025490,371−435,1921.00
13 Jun 2025925,563+647,0751.00
30 May 2025278,488−1,895,3281.00
15 May 20252,173,816+1,842,2491.71
30 Apr 2025331,567−102,4091.00
15 Apr 2025433,976+217,5541.00
31 Mar 2025216,422−97,7861.00
14 Mar 2025314,208−4041.00
28 Feb 2025314,612+129,6431.00
14 Feb 2025184,969−195,0181.00
31 Jan 2025379,987+249,3201.00
15 Jan 2025130,667−120,0791.00
31 Dec 2024250,746+208,6581.00
13 Dec 202442,088−231,1221.00
29 Nov 2024273,210+223,6491.00
15 Nov 202449,561−98,1081.00
31 Oct 2024147,669+98,1881.15
15 Oct 202449,481+14,1841.00
30 Sep 202435,297−53,0341.00
13 Sep 202488,331+63,2631.00
30 Aug 202425,068+3,7121.00
15 Aug 202421,356+21,0681.00
31 Jul 2024288−2,3381.00
15 Jul 20242,626−32,2891.00
28 Jun 202434,915+17,5881.00
14 Jun 202417,327−70,9311.00
31 May 202488,258+45,7171.32
15 May 202442,541+31,0491.00
30 Apr 202411,492−9,9431.00
15 Apr 202421,435+1,8601.00
28 Mar 202419,575+8,9111.00
15 Mar 202410,664+6,4211.00
29 Feb 20244,243+3,8821.00
15 Feb 2024361−27,3421.00
31 Jan 202427,703+1,7771.00
12 Jan 202425,926+24,3391.00
29 Dec 20231,587+7341.00
15 Dec 2023853−16,5641.00
30 Nov 202317,417+16,7532.12
15 Nov 2023664−6,9181.00
31 Oct 20237,582–3.13

Scroll inside the table for earlier settlements, back to 31 Oct 2023.

Questions

Frequently asked questions

What is MRNY's short interest?
80,671 shares short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report, up 29,387 from the previous settlement.
Why is there no percentage for MRNY?
Because no defensible share count exists to divide by: exchange-traded product: its share count floats with creation and redemption. An exchange-traded product's share count changes every day as units are created and redeemed, so no filing gives a stable count to divide by. FINRA's shares-short figure is exact; a percentage of it would not be.
What is MRNY'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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