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HowShorted

MDYV short interest NYSE Arca

State Street SPDR S&P 400 Mid. 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
100,307
vs previous settlement
+64,987 (+184.0%)
days to cover
1.38
Settlement date
15 Sep 2026

Shares short over time

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

Fails to deliver

The SEC's fails-to-deliver figure for MDYV: 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
7
14 Sep 2026
Highest in window
22,851
11 Dec 2025
Days with a balance
94
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for State Street SPDR S&P 400 Mid 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 23K shares.

History

Every FINRA settlement we hold for MDYV, newest first. สณ marks a figure FINRA itself flagged as revised.

Full reported short interest history
Settlement dateShares shortChangeDays to cover
15 Sep 2026100,307+64,9871.38
31 Aug 202635,320+2,5031.00
14 Aug 202632,817โˆ’53,0501.00
31 Jul 202685,867+3,5511.00
15 Jul 202682,316+32,2371.20
30 Jun 202650,079+9,9221.00
15 Jun 202640,157+20,9081.00
29 May 202619,249+1,6601.00
15 May 202617,589โˆ’10,9871.00
30 Apr 202628,576โˆ’49,5011.00
15 Apr 202678,077+45,4751.02
31 Mar 202632,602+8,7131.00
13 Mar 202623,889โˆ’17,0831.00
27 Feb 202640,972+21,9441.00
13 Feb 202619,028+4,7631.00
30 Jan 202614,265โˆ’5,6691.00
15 Jan 202619,934โˆ’33,8171.00
31 Dec 202553,751โˆ’58,7091.00
15 Dec 2025112,460+52,0191.32
28 Nov 202560,441+20,3721.00
14 Nov 202540,069โˆ’12,4461.00
31 Oct 202552,515โˆ’30,5381.00
15 Oct 202583,053โˆ’11,7981.32
30 Sep 202594,851+45,2101.24
15 Sep 202549,641+2,9621.00
29 Aug 202546,679โˆ’4,8981.00
15 Aug 202551,577+15,7151.00
31 Jul 202535,862+34,6051.00
15 Jul 20251,257โˆ’29,6481.00
30 Jun 202530,905โˆ’5,7691.00
13 Jun 202536,674+21,0401.00
30 May 202515,634โˆ’9,6551.00
15 May 202525,289โˆ’19,7711.00
30 Apr 202545,060+34,4361.00
15 Apr 202510,624โˆ’2,5961.00
31 Mar 202513,220+9,0801.00
14 Mar 20254,140โˆ’6331.00
28 Feb 20254,773โˆ’11,8471.00
14 Feb 202516,620+6,4611.00
31 Jan 202510,159โˆ’14,9301.00
15 Jan 202525,089โˆ’988,6391.00
31 Dec 20241,013,728+847,1931.00
13 Dec 2024166,535โˆ’101,7751.12
29 Nov 2024268,310+142,1421.00
15 Nov 2024126,168โˆ’210,8881.14
31 Oct 2024337,056+223,0651.00
15 Oct 2024113,991+20,8741.55
30 Sep 202493,117+46,6411.11
13 Sep 202446,476โˆ’1,3891.00
30 Aug 202447,865โˆ’11,3011.00
15 Aug 202459,166+13,6241.00
31 Jul 202445,542โˆ’16,7971.00
15 Jul 202462,339โˆ’8,0531.00
28 Jun 202470,392+50,1661.00
14 Jun 202420,226+6,9871.00
31 May 202413,239โˆ’52,4871.00
15 May 202465,726+23,7191.00
30 Apr 202442,007โˆ’41,4801.00
15 Apr 202483,487+60,7361.00
28 Mar 202422,751โˆ’22,3661.00
15 Mar 202445,117+9,5241.00
29 Feb 202435,593+29,1561.00
15 Feb 20246,437โˆ’8,4461.00
31 Jan 202414,883โˆ’41,4881.00
12 Jan 202456,371โˆ’61,5361.00
29 Dec 2023117,907+48,5571.00
15 Dec 202369,350+7,0141.00
30 Nov 202362,336+17,7531.00
15 Nov 202344,583+14,6741.00
31 Oct 202329,909+12,8891.00
13 Oct 202317,020+7,1111.00
29 Sep 20239,909โˆ’17,6011.00
15 Sep 202327,510+20,4491.00
31 Aug 20237,061โˆ’13,1761.00
15 Aug 202320,237โˆ’36,1751.00
31 Jul 202356,412+17,8591.00
14 Jul 202338,553+4,7021.00
30 Jun 202333,851โˆ’34,1731.00
15 Jun 202368,024+35,3551.00
31 May 202332,669โˆ’7,9271.00
15 May 202340,596+15,3351.00
28 Apr 202325,261โˆ’98,3001.00
14 Apr 2023123,561+104,6521.00
31 Mar 202318,909โˆ’65,2181.00
15 Mar 202384,127+10,0221.00
28 Feb 202374,105+46,0531.00
15 Feb 202328,052+23,0751.00
31 Jan 20234,977โˆ’13,7141.00
13 Jan 202318,691+16,6571.00
30 Dec 20222,034โˆ’5,0021.00
15 Dec 20227,036โˆ’19,4501.00
30 Nov 202226,486โˆ’44,2911.00
15 Nov 202270,777+53,9211.00
31 Oct 202216,856+3,0521.00
14 Oct 202213,804โˆ’2,3621.00
30 Sep 202216,166โˆ’1,2471.00
15 Sep 202217,413โˆ’69,7281.00
31 Aug 202287,141+66,0431.00
15 Aug 202221,098โˆ’26,0521.00
29 Jul 202247,150+35,7651.00
15 Jul 202211,385โˆ’37,0531.00
30 Jun 202248,438โˆ’13,3001.00
15 Jun 202261,738+27,7851.00
31 May 202233,953โˆ’1,5121.00
13 May 202235,465โˆ’15,0801.00
29 Apr 202250,545+29,9001.00
14 Apr 202220,645โˆ’27,9031.00
31 Mar 202248,548+9,8591.00
15 Mar 202238,689โˆ’100,5291.00
28 Feb 2022139,218+71,5681.00
15 Feb 202267,650โˆ’16,1001.00
31 Jan 202283,750+52,3791.00
14 Jan 202231,371โˆ’27,4351.00
31 Dec 202158,806+49,5201.00
15 Dec 20219,286โˆ’7,5001.00
30 Nov 202116,786+1,8161.00
15 Nov 202114,970โˆ’16,8411.00
29 Oct 202131,811+5,1641.00
15 Oct 202126,647+10,3841.00
30 Sep 202116,263โˆ’84,2741.00
15 Sep 2021100,537+88,6061.00
31 Aug 202111,931โˆ’36,6081.00
13 Aug 202148,539+41,2291.00
30 Jul 20217,310+3,6251.00
15 Jul 20213,685โˆ’19,5691.00
30 Jun 202123,254โˆ’4,1291.00
15 Jun 202127,383สณโˆ’16,6631.00
28 May 202144,046โˆ’12,1051.00
14 May 202156,151+31,8851.00
30 Apr 202124,266โˆ’29,6921.00
15 Apr 202153,958+48,3041.00
31 Mar 20215,654โˆ’54,3801.00
15 Mar 202160,034โˆ’70,7941.00
26 Feb 2021130,828+90,9881.00
12 Feb 202139,840+39,1141.00
29 Jan 2021726โˆ’19,6801.00
15 Jan 202120,406โˆ’35,9061.00
31 Dec 202056,312+9,5521.00
15 Dec 202046,760โˆ’278,1881.00
30 Nov 2020324,948+273,4711.00
13 Nov 202051,477+47,9181.00
30 Oct 20203,559โˆ’120,8131.00
15 Oct 2020124,372+75,8801.91
30 Sep 202048,492+45,0931.00
15 Sep 20203,399โˆ’9501.00
31 Aug 20204,349โˆ’1,0011.00
14 Aug 20205,350โˆ’16,8981.00
31 Jul 202022,248โˆ’5,6221.00
15 Jul 202027,870+14,5511.00
30 Jun 202013,319โˆ’127,2281.00
15 Jun 2020140,547+99,1781.00
29 May 202041,369โˆ’7,0401.00
15 May 202048,409โˆ’58,1071.00
30 Apr 2020106,516โˆ’104,9411.00
15 Apr 2020211,457+9,3501.00
31 Mar 2020202,107+114,9791.00
13 Mar 202087,128+32,4691.00
28 Feb 202054,659โˆ’13,1481.00
14 Feb 202067,807+12,8861.00
31 Jan 202054,921+15,6371.00
15 Jan 202039,284โˆ’100,7901.00
31 Dec 2019140,074+49,0562.24
13 Dec 201991,018+28,2521.00
29 Nov 201962,766+5,6271.00
15 Nov 201957,139โˆ’340,4381.00
31 Oct 2019397,577+314,9361.00
15 Oct 201982,641โˆ’111,0891.22
30 Sep 2019193,730+176,8931.53
13 Sep 201916,837+15,0891.00
30 Aug 20191,748โˆ’49,5631.00
15 Aug 201951,311+29,0211.00
31 Jul 201922,290+8,6941.00
15 Jul 201913,596โˆ’2,9251.00
28 Jun 201916,521โˆ’7,3261.00
14 Jun 201923,847+3,2571.00
31 May 201920,590โˆ’4,1301.00
15 May 201924,720โˆ’11,1051.00
30 Apr 201935,825+15,7851.00
15 Apr 201920,040+14,4831.00
29 Mar 20195,557โˆ’7,2381.00
15 Mar 201912,795โˆ’58,7861.00
28 Feb 201971,581+41,1431.00
15 Feb 201930,438โˆ’53,9061.00
31 Jan 201984,344+7,7491.00
15 Jan 201976,595โˆ’20,4191.00
31 Dec 201897,014+64,4271.00
14 Dec 201832,587โˆ’11,4201.00
30 Nov 201844,007โˆ’13,1191.00
15 Nov 201857,126โˆ’16,7691.00
31 Oct 201873,895โˆ’18,9431.00
15 Oct 201892,838+52,7161.14
28 Sep 201840,122+22,7231.00
14 Sep 201817,399+3,8811.00
31 Aug 201813,518+5,6551.00
15 Aug 20187,863โˆ’22,9491.00
31 Jul 201830,812+18,8501.00
13 Jul 201811,962โˆ’4,1901.00
29 Jun 201816,152โˆ’6,0621.00
15 Jun 201822,214+13,7861.00
31 May 20188,428+4,5431.00
15 May 20183,885โˆ’3,0041.00
30 Apr 20186,889+3,8201.00
13 Apr 20183,069โˆ’7,7571.00
29 Mar 201810,826โˆ’11,6221.00
15 Mar 201822,448+5,9891.00
28 Feb 201816,459โˆ’6,8031.00
15 Feb 201823,262+12,2231.00
31 Jan 201811,039โˆ’10,5061.00
12 Jan 201821,545+2651.00
29 Dec 201721,280โ€“1.00

Scroll inside the table for earlier settlements, back to 29 Dec 2017.

Questions

Frequently asked questions

What is MDYV's short interest?
100,307 shares short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report, up 64,987 from the previous settlement.
Why is there no percentage for MDYV?
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 MDYV's days to cover?
1.38 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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