Short interest // FINRA, biweekly, dated

FUSI short interest

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American Century Ultrashort In

31,572shares sold short

No percentage is shown because no filed share count exists for FUSI at SEC XBRL. A percentage of an unknown denominator is not a smaller version of the right answer.

As of the 2026-10-15 settlement, which is 26 days ago. FINRA publishes twice a month on the seventh business day after settlement, so this cycle was published around 2026-10-26 and the next is expected around 2026-11-10. No free source anywhere has anything fresher, including sites that display this number next to a live price.

Shares sold short31,572
⊙
EVIDENCE — filed/published fact
SourceFINRA consolidated short interest
FieldcurrentShortPositionQuantity
As of2026-10-15 settlement
HowFile shrt20261015.csv in FINRA's catalog (posted ~7 business days after settlement).
Open the source document →
Prior settlement43,539
Change-27.5%
Days to coverShares short divided by average daily volume. FINRA publishes 1.00 here because it does not report below 1.00.0.69
⊙
INFERENCE — derived by arithmetic
SourceFINRA consolidated short interest
FieldcurrentShortPositionQuantity ÷ averageDailyVolumeQuantity
As of2026-10-15 settlement
HowComputed from FINRA’s two published operands. FINRA’s own daysToCoverQuantity field floors at 1.00 and is not used.
Open the source document →
FINRA prints 1.00 (floored)
Average daily volume (FINRA, the days-to-cover denominator)45,922
ExchangeNYSE Arca
Reg SHO threshold listPersistent settlement failures under Reg SHO Rule 203. A delivery-failure list, not a “naked shorting” list.Not on the list (2026-11-09)
Short interest, % of shares outstandingPercent of shares outstanding. Not percent of float, and the two are not the same number.no filed share count held

We do not hold a filing-derived share count for FUSI, so the percentage is not computed. A percentage of an unknown denominator is not a smaller version of the right answer, so nothing is shown in its place.

Short interest history

76 settlements on record, oldest 2023-08-15. Biweekly points, from FINRA’s own archive.

Dashed line at the 15 September 2026 settlement: FINRA began quoting every field of its short interest file. What it did to this history, and what we did

SettlementShares shortChange% of shares outDays to coverClose, USDValue short, USD
2026-10-1531,572-27.5%no share count within 200 days0.6950.461.6M
2026-09-3043,539+9.0%no share count within 200 days1.7750.472.2M
2026-09-1539,959+8.0%no share count within 200 days1.6550.452.0M
2026-08-3137,007+200.0%no share count within 200 days1.6050.601.9M
2026-08-1412,336+29.9%no share count within 200 days1.0150.52623,215
2026-07-319,497+19.4%no share count within 200 days3.7150.65480,976
2026-07-157,956-16.9%no share count within 200 days1.0450.55402,136
2026-06-309,576+3.1%no share count within 200 days3.6950.63484,876
2026-06-159,292-2.6%no share count within 200 days3.5750.56469,804
2026-05-299,537+85.1%no share count within 200 days2.5950.63482,906
2026-05-155,151+72.7%no share count within 200 days1.8450.45259,868
2026-04-302,983+1957.2%no share count within 200 days1.4250.45150,492
Show the other 64 settlements, back to 2023-08-15
SettlementShares shortChange% of shares outDays to coverClose, USDValue short, USD
2026-04-15145-89.9%no share count within 200 days0.0750.277,289
2026-03-311,435-20.4%no share count within 200 days0.6850.3772,283
2026-03-131,803+37.3%no share count within 200 days1.1850.2590,601
2026-02-271,313+4.2%no share count within 200 days0.9250.4766,267
2026-02-131,260-8.8%no share count within 200 days1.0050.4563,573
2026-01-301,381-25.3%no share count within 200 days0.9250.5569,816
2026-01-151,849+84.7%no share count within 200 days1.3450.4493,264
2025-12-311,001-7.2%no share count within 200 days0.9250.3250,370
2025-12-151,079+1826.8%no share count within 200 days0.0450.4454,419
2025-11-2856-87.3%no share count within 200 days0.0350.602,834
2025-11-14441+55.3%no share count within 200 days0.0150.4622,253
2025-10-31284+20.9%no share count within 200 days0.4050.7514,413
2025-10-15235-67.1%no share count within 200 days0.4250.6111,893
2025-09-30714-69.0%no share count within 200 days0.6050.7836,257
2025-09-152,305+44.2%no share count within 200 days2.6750.66116,772
2025-08-291,598+1.5%no share count within 200 days0.9650.7781,130
2025-08-151,575+1.1%no share count within 200 days2.1150.6279,719
2025-07-311,558+132.2%no share count within 200 days2.1650.6578,913
2025-07-15671-47.3%no share count within 200 days0.3050.5133,889
2025-06-301,273+73.7%no share count within 200 days2.0350.6464,465
2025-06-13733+36.2%no share count within 200 days1.0350.5137,020
2025-05-30538-19.2%no share count within 200 days0.7350.6227,234
2025-05-15666+208.3%no share count within 200 days0.3750.4733,613
2025-04-30216-54.0%no share count within 200 days0.3650.5610,922
2025-04-15470-8.6%no share count within 200 days0.0350.2923,636
2025-03-31514-29.5%no share count within 200 days0.0350.7226,070
2025-03-14729-93.5%no share count within 200 days0.2850.6236,898
2025-02-2811,169+69.0%no share count within 200 days2.3850.80567,387
2025-02-146,607-19.2%no share count within 200 days6.6350.72335,074
2025-01-318,179-8.7%no share count within 200 days11.0750.83415,698
2025-01-158,961-2.7%no share count within 200 days9.7450.69454,233
2024-12-319,214-4.8%no share count within 200 days16.6050.58466,044
2024-12-139,680+6.0%no share count within 200 days11.1950.79491,647
2024-11-299,131+4.6%no share count within 200 days21.0950.91464,861
2024-11-158,733+6.9%no share count within 200 days12.2150.78443,466
2024-10-318,173+1.1%no share count within 200 days26.3651.01416,906
2024-10-158,083-6.3%no share count within 200 days14.4150.90411,425
2024-09-308,626+34.2%no share count within 200 days10.9551.10440,832
2024-09-136,428-8.4%no share count within 200 days9.7550.93327,378
2024-08-307,014+1.4%no share count within 200 days5.1551.03357,959
2024-08-156,914+101.8%no share count within 200 days1.0450.89351,853
2024-07-313,426-27.2%no share count within 200 days3.5151.03174,812
2024-07-154,707-19.6%no share count within 200 days11.8650.84239,327
2024-06-285,856+24.9%no share count within 200 days4.48before stored barsno close to value it
2024-06-144,690+58.7%no share count within 200 days0.06before stored barsno close to value it
2024-05-312,955+22.6%no share count within 200 days7.24before stored barsno close to value it
2024-05-152,411+0.8%no share count within 200 days8.26before stored barsno close to value it
2024-04-302,393-49.1%no share count within 200 days3.55before stored barsno close to value it
2024-04-154,698+73.3%no share count within 200 days3.72before stored barsno close to value it
2024-03-282,711+45.1%no share count within 200 days5.76before stored barsno close to value it
2024-03-151,869+34.8%no share count within 200 days0.35before stored barsno close to value it
2024-02-291,386+107.2%no share count within 200 days1.10before stored barsno close to value it
2024-02-15669-51.3%no share count within 200 days0.16before stored barsno close to value it
2024-01-311,375no prior settlementno share count within 200 days0.58before stored barsno close to value it
2023-12-29163+114.5%no share count within 200 days1.03before stored barsno close to value it
2023-12-1576+985.7%no share count within 200 days0.05before stored barsno close to value it
2023-11-307-98.8%no share count within 200 days0.01before stored barsno close to value it
2023-11-15570-58.2%no share count within 200 days0.66before stored barsno close to value it
2023-10-311,364-86.9%no share count within 200 days1.97before stored barsno close to value it
2023-10-1310,383+624.1%no share count within 200 days5.23before stored barsno close to value it
2023-09-291,434+19.2%no share count within 200 days1.32before stored barsno close to value it
2023-09-151,203+47.6%no share count within 200 days0.95before stored barsno close to value it
2023-08-31815+89.1%no share count within 200 days0.81before stored barsno close to value it
2023-08-15431no prior settlementno share count within 200 days0.53before stored barsno close to value it

Change is against the settlement before it, and is left out where one is missing from the archive. Percent of shares outstanding divides by the filed share count dated nearest each settlement, within 200 days, so it moves when the share count does; it is not percent of float. Close and value short (shares short times that day’s close, both as traded) come from our stored daily bars, which begin 2024-07-01; earlier settlements show none rather than a figure from another source. Nothing here is split-adjusted, so a split appears as the step it was.

Different measurement // daily, and not a position

Daily short volume

This is not the number above. Short interest is the position still held short, reported twice a month. Short volume is the share of a single day’s trading that was marked as a sell-short order, published daily. Most of it is market makers hedging and closing within the same session, so a stock printing a high figure here is not that percentage sold short.

Latest session (2026-11-09)
62.4%
Average, last 10 sessions
58.8%
2026-11-0962.4%
2026-11-0689.9%
2026-11-0590.8%
2026-11-0443.4%
2026-11-0327.7%
2026-11-0249.8%
2026-10-3082.6%
2026-10-2935.3%
2026-10-2877.2%
2026-10-2728.4%

FINRA Reg SHO consolidated daily file. Sessions with no row for FUSI are omitted rather than shown as zero.

Price context // daily bars, not short data

Where the price sits

Session of 2026-11-09, from 276 sessions of daily bars. These are price figures, not short figures, and they update daily rather than twice a month.

Close$50.36
Volume, latest session17,928
Volume vs averageAgainst its own 50-session average of 28,660, same series on both sides0.63x
% from 52-week high ($50.80)-0.9%
% from 52-week low ($50.10)+0.5%
52-week performance-0.1%
% from 50-day average ($50.48)-0.2%
% from 200-day average ($50.47)-0.2%
RSI, 14-dayWilder’s construction, so it matches what charting platforms print40.0

Why there is no “% of float” here

Percent of float is the number the paid trackers lead with, and it is the one number in this category that cannot be published honestly for free. There is no free float share count: the SEC’s XBRL concept for float does not exist, and the closest one, public float, is measured in dollars and is filed once a year with the annual report. For Apple it currently reads as of March 2025, sixteen months ago.

So a free site showing percent of float is doing one of two things: quietly substituting shares outstanding, which for a heavily insider-held small company is a wildly different number, or republishing a commercial estimate it licensed. We publish the percentage that filed data supports, label it as percent of shares outstanding, and where insider Form 4 filings allow it we publish percent of float as an explicit floor: subtracting only filed direct insider holdings from shares outstanding gives a ceiling on float, so the division gives a number the true percentage can only exceed. What we will not do is print a bare “% of float” built on someone else’s estimate. Where a figure is measured, this site says what it was measured against. Read the methodology.

What days to cover means

Open short interest divided by average daily trading volume: roughly how many full sessions of normal volume it would take for every short position to be bought back. FINRA computes it per security at each settlement and we pass their figure through. This matters more than it sounds, because sites that compute their own pick their own volume window and rarely say which, so the same stock shows materially different values depending on where you look.

High short interest and high days to cover describe fuel, not ignition. They say a crowded position exists; they say nothing about whether it unwinds, and heavily shorted stocks frequently keep falling. Educational information, not investment advice.

FINRA is the owner and source of this short interest and short sale volume data. Free on every plan; not for redistribution.

FUSI short interest FAQ

How old is this FUSI short interest figure?

It is the 2026-10-15 settlement, which is 26 days ago. FINRA collects short interest twice a month and publishes on the seventh business day after each settlement date, so this was published around 2026-10-26 and the next cycle is expected around 2026-11-10. There is no fresher short interest available anywhere for free, including from tools that display it next to a live price.

Why does this show percent of shares outstanding rather than percent of float?

Because float share counts are not published by any free source. The SEC XBRL concept for float does not exist, and the nearest one is measured in dollars and comes only from the annual report. Every free site showing a float percentage is republishing a commercial estimate. We publish the percentage we can compute from filed data and label it for what it is, rather than passing shares outstanding off as float.

Where does days to cover come from?

Shares short divided by average daily volume, using FINRA’s own two published figures. We do not use FINRA’s own days-to-cover field, because it is floored at 1.00: across the current file, 7,869 securities, over a third of the market, are published at exactly 1.00 and nearly all of them are genuinely below it. One stock with a true ratio of 0.03 is published as 1.00. Sites that instead invent their own average-volume window produce a different problem, which is why the operands here are both FINRA’s.

Is high short interest a buy signal?

No. High short interest is frequently the market pricing real problems, and many heavily shorted stocks keep falling. This page measures positioning. It makes no recommendation.

Keep going: the full FUSI workspace · short squeeze screener · FUSI dilution profile · FUSI off-exchange (ATS) volume · what short interest means · methodology