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Eaton Vance Senior Floating-Rate Trust

EFR
Exchange
NYSE
SEC CIK
0001258623

No open-market purchases or sales by Eaton Vance Senior Floating-Rate Trust insiders were filed in the last 90 days; 100 institutions reported holding it in 13F filings for Q2 2026, worth $124.9M in total; no superinvestor holds it.

Four kinds of short-selling data, each measuring something different:

  • Short interest: shares sold short and not yet bought back, as of a settlement date. FINRA publishes it twice a month, about eight business days after the settlement date.
  • Daily short volume: shares sold short each day in off-exchange trades reported to FINRA. It counts trades, not open positions, and is published the next day.
  • Fails-to-deliver: shares not delivered by the settlement date. The SEC publishes them twice a month, about two weeks late.
  • ATS (dark pool) volume: weekly volume on alternative trading systems and other off-exchange venues. FINRA publishes it two to four weeks after the week.

More in the glossary.

Short interest

Shares sold short and not yet bought back, from FINRA, on every settlement date in the last two years.

Short interest
35.4K
Shares, settlement Oct 30, 2026
Change
−27.5K
−43.7% vs. Oct 15, 2026
Days to cover
1.00
Short interest ÷ average daily volume
Average daily volume
125.5K
Shares, as reported by FINRA
Short interest by settlement date
Oct 31, 2024: 144,071 sharesNov 15, 2024: 115,533 sharesNov 29, 2024: 108,051 sharesDec 13, 2024: 151,372 sharesDec 31, 2024: 135,653 sharesJan 15, 2025: 191,511 sharesJan 31, 2025: 206,621 sharesFeb 14, 2025: 272,780 sharesFeb 28, 2025: 318,725 sharesMar 14, 2025: 133,270 sharesMar 31, 2025: 94,709 sharesApr 15, 2025: 25,303 sharesApr 30, 2025: 51,744 sharesMay 15, 2025: 14,061 sharesMay 30, 2025: 23,861 sharesJun 13, 2025: 20,161 sharesJun 30, 2025: 33,563 sharesJul 15, 2025: 42,968 sharesJul 31, 2025: 23,665 sharesAug 15, 2025: 53,204 sharesAug 29, 2025: 9,301 sharesSep 15, 2025: 10,722 sharesSep 30, 2025: 61,767 sharesOct 15, 2025: 63,945 sharesOct 31, 2025: 123,055 sharesNov 14, 2025: 32,793 sharesNov 28, 2025: 58,370 sharesDec 15, 2025: 26,706 sharesDec 31, 2025: 19,309 sharesJan 15, 2026: 39,725 sharesJan 30, 2026: 39,288 sharesFeb 13, 2026: 11,280 sharesFeb 27, 2026: 21,745 sharesMar 13, 2026: 76,645 sharesMar 31, 2026: 27,635 sharesApr 15, 2026: 2,896 sharesApr 30, 2026: 9,500 sharesMay 15, 2026: 3,343 sharesMay 29, 2026: 3,857 sharesJun 15, 2026: 116,333 sharesJun 30, 2026: 75,040 sharesJul 15, 2026: 110,953 sharesJul 31, 2026: 85,378 sharesAug 14, 2026: 41,345 sharesAug 31, 2026: 48,509 sharesSep 15, 2026: 39,063 sharesSep 30, 2026: 48,017 sharesOct 15, 2026: 62,961 sharesOct 30, 2026: 35,447 shares
Short interest in EFR by settlement date
Settlement dateShort interestChangeChange %Avg. daily volumeDays to cover
Oct 30, 202635.4K−27.5K−43.7%125.5K1.00
Oct 15, 202663.0K+14.9K+31.1%103.2K1.00
Sep 30, 202648.0K+8.95K+22.9%108.1K1.00
Sep 15, 202639.1K−9.45K−19.5%94.4K1.00
Aug 31, 202648.5K+7.16K+17.3%169.7K1.00
Aug 14, 202641.3K−44.0K−51.6%145.1K1.00
Jul 31, 202685.4K−25.6K−23.1%102.2K1.00
Jul 15, 2026111.0K+35.9K+47.9%74.3K1.49
Jun 30, 202675.0K−41.3K−35.5%95.3K1.00
Jun 15, 2026116.3K+112.5K+2,916.2%134.8K1.00
May 29, 20263.86K+514+15.4%134.2K1.00
May 15, 20263.34K−6.16K−64.8%123.6K1.00
Apr 30, 20269.50K+6.60K+228.0%151.6K1.00
Apr 15, 20262.90K−24.7K−89.5%110.0K1.00
Mar 31, 202627.6K−49.0K−63.9%243.0K1.00
Mar 13, 202676.6K+54.9K+252.5%202.7K1.00
Feb 27, 202621.7K+10.5K+92.8%104.2K1.00
Feb 13, 202611.3K−28.0K−71.3%115.4K1.00
Jan 30, 202639.3K−437−1.1%103.2K1.00
Jan 15, 202639.7K+20.4K+105.7%114.3K1.00
Dec 31, 202519.3K−7.40K−27.7%248.5K1.00
Dec 15, 202526.7K−31.7K−54.3%222.2K1.00
Nov 28, 202558.4K+25.6K+78.0%230.5K1.00
Nov 14, 202532.8K−90.3K−73.4%200.5K1.00
Oct 31, 2025123.1K+59.1K+92.4%145.5K1.00
Oct 15, 202563.9K+2.18K+3.5%181.1K1.00
Sep 30, 202561.8K+51.0K+476.1%146.8K1.00
Sep 15, 202510.7K+1.42K+15.3%152.4K1.00
Aug 29, 20259.30K−43.9K−82.5%144.5K1.00
Aug 15, 202553.2K+29.5K+124.8%179.2K1.00
Jul 31, 202523.7K−19.3K−44.9%120.6K1.00
Jul 15, 202543.0K+9.40K+28.0%54.6K1.00
Jun 30, 202533.6K+13.4K+66.5%93.9K1.00
Jun 13, 202520.2K−3.70K−15.5%85.2K1.00
May 30, 202523.9K+9.80K+69.7%85.8K1.00
May 15, 202514.1K−37.7K−72.8%86.3K1.00
Apr 30, 202551.7K+26.4K+104.5%83.7K1.00
Apr 15, 202525.3K−69.4K−73.3%223.6K1.00
Mar 31, 202594.7K−38.6K−28.9%85.2K1.11
Mar 14, 2025133.3K−185.5K−58.2%91.9K1.45
Feb 28, 2025318.7K+45.9K+16.8%68.3K4.67
Feb 14, 2025272.8K+66.2K+32.0%74.6K3.65
Jan 31, 2025206.6K+15.1K+7.9%95.9K2.15
Jan 15, 2025191.5K+55.9K+41.2%74.0K2.59
Dec 31, 2024135.7K−15.7K−10.4%75.8K1.79
Dec 13, 2024151.4K+43.3K+40.1%57.4K2.64
Nov 29, 2024108.1K−7.48K−6.5%57.8K1.87
Nov 15, 2024115.5K−28.5K−19.8%68.3K1.69
Oct 31, 2024144.1K+33.9K+30.8%74.3K1.94

Fails-to-deliver

Shares that weren't delivered by the settlement date, from the SEC, for the last 30 dates with fails. The price is the previous day's closing price published by the SEC.

Fails-to-deliver in EFR by settlement date
Settlement dateSharesPriceValue
Oct 13, 2026186$10.27$1.91K
Oct 9, 2026609$10.30$6.27K
Oct 8, 20261,364$10.33$14.1K
Oct 7, 20262,066$10.37$21.4K
Sep 14, 2026552$10.42$5.75K
Aug 28, 202659$10.53$621.27
Aug 10, 202619,658$10.73$210.9K
Aug 7, 20262,450$10.68$26.2K
Jul 28, 2026295$10.62$3.13K
Jul 15, 20261,576$10.69$16.8K
Jul 14, 20263,986$10.65$42.5K
Jul 10, 20262,415$10.60$25.6K
Jul 1, 20261,450$10.60$15.4K
Jun 29, 2026689$10.50$7.23K
Jun 12, 20269,448$10.56$99.8K
Jun 11, 202617,123$10.55$180.6K
Jun 10, 202683$10.52$873.16
Jun 9, 202650$10.54$527
Jun 8, 2026417$10.53$4.39K
Jun 5, 20263,892$10.56$41.1K
Apr 8, 20261$10.38$10.38
Apr 1, 20261$10.54$10.54
Mar 23, 202697$10.49$1.02K
Mar 19, 20269$10.40$93.6
Mar 3, 20261$10.63$10.63
Mar 2, 20261$10.66$10.66
Feb 11, 20261,104$11.07$12.2K
Feb 3, 20265$11.18$55.9
Jan 12, 20261,055$11.23$11.8K
Dec 12, 2025200$11.17$2.23K

Daily short volume

Off-exchange short-sale volume, not short interest: shares sold short each day in trades reported to FINRA, for the last 30 trading days.

The short volume ratio isn't a sentiment gauge: market makers sell short to fill buy orders and to hedge, so short sales are usually about half of off-exchange volume.

Off-exchange short volume in EFR by trade date
Trade dateShort volumeShort exemptOff-exchange volumeShort volume ratio
Nov 13, 202616,194949,49032.7%
Nov 12, 202620,96759467,13331.2%
Nov 11, 20266,509038,93516.7%
Nov 10, 202619,95831281,87524.4%
Nov 9, 202624,9670112,97022.1%
Nov 6, 202611,445044,64125.6%
Nov 5, 202631,7600100,86331.5%
Nov 4, 20269,117040,29122.6%
Nov 3, 202625,169053,08847.4%
Nov 2, 202616,8614,76162,91626.8%
Oct 30, 20269,972046,78321.3%
Oct 29, 202615,707055,93128.1%
Oct 28, 202617,235061,91627.8%
Oct 27, 20266,537093,4137.0%
Oct 26, 202642,4340126,25733.6%
Oct 23, 202614,2611,97884,57416.9%
Oct 22, 202622,4490102,45221.9%
Oct 21, 202618,0890138,64713.0%
Oct 20, 202620,997080,18426.2%
Oct 19, 202619,412069,80827.8%
Oct 16, 20266,910033,82420.4%
Oct 15, 20266,141027,62222.2%
Oct 14, 202639,008095,16441.0%
Oct 13, 202615,879044,54335.6%
Oct 12, 20268,569067,79612.6%
Oct 9, 202615,329058,42826.2%
Oct 8, 20262,101059,6743.5%
Oct 7, 202637,767056,58066.7%
Oct 6, 202648,921085,48757.2%
Oct 5, 202628,935073,09239.6%

ATS (dark pool) volume

Weekly volume on alternative trading systems (ATS) and other off-exchange (OTC) venues, from FINRA, for the last 12 weeks. ATS share is ATS volume ÷ (ATS + OTC volume), not a share of all trading.

Weekly ATS and OTC volume in EFR
Week ofTierATS sharesATS tradesOther OTC sharesOther OTC tradesATS share
Oct 5, 2026T292,324642241,18162527.7%
Sep 28, 2026T286,3311,077292,82887522.8%
Sep 21, 2026T289,959400317,09362622.1%
Sep 14, 2026T2107,618675199,32879935.1%
Sep 7, 2026T251,827345185,88857121.8%
Aug 31, 2026T271,070529287,53781019.8%
Aug 24, 2026T2206,4261,028293,42379941.3%
Aug 17, 2026T2135,3861,102494,8871,07621.5%
Aug 10, 2026T292,503566264,50466825.9%
Aug 3, 2026T2157,2591,020476,6561,14324.8%
Jul 27, 2026T2104,575755134,62157443.7%
Jul 20, 2026T2102,106672224,52268131.3%