State Street SPDR S&P MIDCAP 400 ETF Trust (MDY)

Market Cap

$26.00B

Current · Retrieved: Nov 3, 2026 · USD

MDY Market Cap

Current$26.00BretrievedNov 3, 2026

MDY Market Cap ($1.43B → $26.00B · CAGR +9.6%)

Latest values, visible window

High-resolution chart · PNG

MDY market cap history

Daily history. Dates identify market observations.

State Street SPDR S&P MIDCAP 400 ETF Trust Market Cap — Daily history
Date	Market Cap
Aug 18, 2006	5,293,352,592
Aug 11, 2006	5,112,086,602
Aug 4, 2006	5,233,573,382
Jul 28, 2006	5,216,989,473
Jul 21, 2006	5,015,282,849
Jul 14, 2006	5,110,158,240
Jul 7, 2006	5,312,636,208
Jun 30, 2006	5,367,401,677
Jun 23, 2006	5,214,289,766
Jun 16, 2006	5,198,091,529
Jun 9, 2006	5,242,058,173
Jun 2, 2006	5,497,758,922
May 26, 2006	5,406,740,254
May 19, 2006	5,380,900,209
May 12, 2006	5,562,551,871
May 5, 2006	5,748,831,602
Apr 28, 2006	5,658,198,607
Apr 21, 2006	5,683,652,980
Apr 13, 2006	5,512,800,142
Apr 7, 2006	5,577,593,092
Mar 31, 2006	5,582,992,504
Mar 24, 2006	5,535,940,481
Mar 17, 2006	5,516,271,193
Mar 10, 2006	5,404,040,548
Mar 3, 2006	5,485,803,080
Feb 24, 2006	5,517,813,882
Feb 17, 2006	5,453,406,605
Feb 10, 2006	5,392,084,706
Feb 3, 2006	5,441,450,763
Jan 27, 2006	5,462,662,740
Jan 20, 2006	5,340,404,615
Jan 13, 2006	5,391,699,034
Jan 6, 2006	5,378,200,502
Dec 30, 2005	5,194,620,478
Dec 23, 2005	5,273,683,304
Dec 16, 2005	5,210,433,043
Dec 9, 2005	5,256,713,722
Dec 2, 2005	5,256,328,049
Nov 25, 2005	5,233,573,382
Nov 18, 2005	5,135,226,941
Nov 11, 2005	5,080,075,799
Nov 4, 2005	5,032,252,431
Oct 28, 2005	4,852,914,803
Oct 21, 2005	4,813,961,898
Oct 14, 2005	4,802,006,056
Oct 7, 2005	4,878,754,848
Sep 30, 2005	5,049,222,013
Sep 23, 2005	4,930,820,611
Sep 16, 2005	5,027,238,691
Sep 9, 2005	5,082,775,505
Sep 2, 2005	4,991,371,165
Aug 26, 2005	4,920,793,131
Aug 19, 2005	4,969,002,171
Aug 12, 2005	5,007,955,075
Aug 5, 2005	4,992,913,855
Jul 29, 2005	5,078,533,110
Jul 22, 2005	5,040,737,222
Jul 15, 2005	4,980,958,013
Jul 8, 2005	4,951,261,244
Jul 1, 2005	4,867,184,678
Jun 24, 2005	4,751,868,655
Jun 17, 2005	4,863,327,955
Jun 10, 2005	4,807,405,469
Jun 3, 2005	4,770,766,598
May 27, 2005	4,736,827,434
May 20, 2005	4,684,761,671
May 13, 2005	4,500,024,630
May 6, 2005	4,570,602,664
Apr 29, 2005	4,471,099,206
Apr 22, 2005	4,493,082,528
Apr 15, 2005	4,433,303,318
Apr 8, 2005	4,622,282,755
Apr 1, 2005	4,635,781,286
Mar 24, 2005	4,627,682,168
Mar 18, 2005	4,651,593,851
Mar 11, 2005	4,727,956,971
Mar 4, 2005	4,800,463,367
Feb 25, 2005	4,732,199,366
Feb 18, 2005	4,668,177,761
Feb 11, 2005	4,680,904,948
Feb 4, 2005	4,664,706,710
Jan 28, 2005	4,503,110,008
Jan 21, 2005	4,471,484,878
Jan 14, 2005	4,518,151,229
Jan 7, 2005	4,474,570,257
Dec 31, 2004	4,666,635,072
Dec 23, 2004	4,645,808,767
Dec 17, 2004	4,588,343,591
Dec 10, 2004	4,533,192,449
Dec 3, 2004	4,546,305,308
Nov 26, 2004	4,512,366,144
Nov 19, 2004	4,432,146,301
Nov 12, 2004	4,483,055,048
Nov 5, 2004	4,377,766,504
Oct 29, 2004	4,250,108,966
Oct 22, 2004	4,145,591,768
Oct 15, 2004	4,137,878,321
Oct 8, 2004	4,189,172,740
Oct 1, 2004	4,253,580,017
Sep 24, 2004	4,149,062,819