Inside the ETFs — 2026-09-15

All 40 covered funds ranked by how far apart their members’ 21-day returns were at the 2026-09-15 run — most divided first, most unanimous last, frozen as recorded.

Historical page: the numbers are frozen at the 2026-09-15 engine run. Diary readings, not advice.

#Fund21d dispersionFund 21dMedian member 21dUp / down (1d)Members
1ARKK ARK Innovation17.3 pp+3.0%-1.4%14 / 2842
2AEI Agentic Ecosystem Index (EW)13.8 pp-2.3%-2.1%21 / 1334
3XSD SPDR S&P Semiconductor (EW)13.8 pp-11.7%-12.8%29 / 1443
4WTAI WisdomTree AI & Innovation12.5 pp-7.0%-2.4%21 / 2547
5IGV iShares Expanded Tech-Software11.9 pp+1.4%-0.5%28 / 80110
6AW40 Agentic Winners 40 (EW)11.5 pp+4.5%-0.3%8 / 2938
7XLK Technology Select Sector11.4 pp-3.3%-5.5%27 / 4572
8QTEC First Trust Nasdaq-100 Technology11.2 pp-7.0%-4.7%17 / 2845
9QTUM Defiance Quantum11.2 pp-10.1%-10.6%32 / 3062
10IXN iShares Global Tech11.1 pp-3.2%-5.4%32 / 5587
11SMH VanEck Semiconductor11.1 pp-7.8%-11.4%15 / 1025
12AIQ Global X AI & Technology11.1 pp-1.9%-2.3%19 / 4766
13DTCR Global X Data Center & Digital Infra11.0 pp-7.5%-8.7%11 / 920
14RUBIN Rubin Build-Out 100 (EW)9.1 pp-14.2%-14.3%49 / 74125
15CIBR First Trust Nasdaq Cybersecurity9.0 pp+1.4%-0.4%26 / 1541
16EUROAI Euro-AI Sovereign 50 (EW)9.0 pp-9.4%-8.7%25 / 3361
17HALO HALO Growth 100 (EW)8.9 pp-7.9%-8.9%30 / 6999
18MXI Global Materials8.8 pp-1.0%-2.9%31 / 2759
19QQEW First Trust Nasdaq-100 Equal Weight8.8 pp-6.4%-4.0%13 / 3549
20XLB Materials Select Sector8.7 pp-3.4%-5.0%16 / 1026
21IXP Global Communications8.5 pp+2.8%-0.4%12 / 2437
22XLC Communication Services Select Sector8.5 pp+1.0%-0.4%5 / 1723
23XLP Consumer Staples Select Sector8.2 pp-2.7%-5.0%13 / 2336
24IXC Global Energy8.1 pp+6.9%+6.4%27 / 735
25QTOP iShares Nasdaq-100 Top 308.0 pp-2.6%-4.4%9 / 2231
26XLV Health Care Select Sector8.0 pp+0.2%+1.3%24 / 3559
27XLE Energy Select Sector8.0 pp+6.5%+4.5%15 / 621
28IXJ Global Healthcare7.8 pp-0.2%+0.1%30 / 5080
29JXI Global Utilities7.5 pp-4.8%-6.0%12 / 3043
30KXI Global Staples7.2 pp-2.6%-3.8%18 / 4361
31XLY Consumer Discretionary Select Sector7.0 pp-6.2%-8.4%4 / 4448
32RXI Global Discretionary6.7 pp-6.9%-8.2%10 / 6575
33XLI Industrial Select Sector6.6 pp-9.5%-9.3%21 / 5980
34EXI Global Industrials6.5 pp-7.7%-6.9%46 / 86135
35QQXT First Trust Nasdaq-100 Ex-Technology6.2 pp-5.9%-4.3%8 / 4756
36IXG Global Financials6.0 pp-1.4%-2.9%38 / 94133
37XLU Utilities Select Sector5.6 pp-6.8%-6.4%1 / 2931
38XLF Financial Select Sector5.2 pp-2.3%-4.0%22 / 5476
39XLRE Real Estate Select Sector4.4 pp-4.9%-5.9%13 / 1831
40REET Global REITs4.2 pp-5.8%-4.3%39 / 5396

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