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WHAT MOVED THE MARKET TODAY

ARK Innovation ETF

41 stocks · cap-weighted, ETF-derived weights · Oct 9, 2026 close
89.62
+51.09 (+132.60%)
ARKK 89.62 · +51.1 pts (+132.60%) 3Y
198.39154.68110.9767.26EW +378.17%H 91.66 · Oct 9L 34.29 · Oct 30
Oct 4, 2023Jul 9, 2024Apr 9, 2025Jan 7, 2026Oct 9, 2026
Breadth
35 / 41
stocks rose with the index
Concentration
36%
of the gain from TSLA, BMNR, HOOD
Biggest driver
TSLA +7.70
TESLA INC, +46.54%
Biggest drag
BLSH −2.57
BULLISH, −52.09%

What drove it

41 members · drivers first · 3Y · residual 3992.3bp exceeds 60bp gate

The ARKK rose 132.60% (+51.09 pts) over three years in a broad advance: 35 of 41 stocks rose, with TSLA out front at +7.70 points.

Read the latest market-close note: Goldman and Microsoft Push the Dow to a Large Gain While Telecoms Sink Communication Services

+56.4 pts from 31 gainers−11.2 pts from 10 losers
net +51.1 pts · gainers outweigh losers 5.1 to 1
Stock
Points
Return
ARKKsum of all 41 stocks
+51.1
100%
+132.60%
TSLATESLA INC
+7.7
15%
+46.54%
BMNRBITMINE IMMERSION TECHNOLOGI
+5.2
10%
+210.34%
HOODROBINHOOD MARKETS INC - A
+5.2
10%
+1,026.24%
SHOPSHOPIFY INC - CLASS A
+3.4
7%
+224.93%
TEMTEMPUS AI INC-CL A
+3.3
6%
+76.22%
PLTRPALANTIR TECHNOLOGIES INC-A
+3.3
6%
+1,228.99%
TWSTTWIST BIOSCIENCE CORP
+2.9
6%
+754.90%
NVDANVIDIA CORP
+2.5
5%
+421.56%
AVGOBROADCOM INC
+2.5
5%
+352.43%
WGSGENEDX HOLDINGS CORP
+2.1
4%
+1,823.71%
CRSPCRISPR THERAPEUTICS AG
+2.0
4%
+28.28%
AMZNAMAZON.COM INC
+1.9
4%
+106.64%
AMDADVANCED MICRO DEVICES
+1.7
3%
+484.32%
METAMETA PLATFORMS INC-CLASS A
+1.5
3%
+137.22%
XYZBLOCK INC
+1.4
3%
+84.36%
11 othersclick to expand the full index
+8.3
16%
·
NETCLOUDFLARE INC - CLASS A
+0.4
1%
+46.56%
SOFISOFI TECHNOLOGIES INC
+0.4
1%
+111.51%
KTOSKRATOS DEFENSE & SECURITY
+0.4
1%
+185.93%
CRCLCIRCLE INTERNET GROUP INC
+0.3
1%
+172.68%
CERSCERUS CORP
+0.2
0%
+50.33%
ARKYARK ACTIVE AUTOCALL INC ETF
−0.0
0%
+0.83%
ACHRARCHER AVIATION INC-A
−0.1
0%
+0.20%
COINCOINBASE GLOBAL INC -CLASS A
−0.4
−1%
+144.17%
SPCXSPACE EXPLORATION TECHN-CL A
−0.4
−1%
+1.01%
XEX-ENERGY INC
−0.5
−1%
−53.05%
PACBPACIFIC BIOSCIENCES OF CALIF
−1.3
−2%
−70.91%
RXRXRECURSION PHARMACEUTICALS-A
−1.7
−3%
−39.11%
NTLAINTELLIA THERAPEUTICS INC
−2.0
−4%
−54.84%
CBRSCEREBRAS SYSTEMS INC - A
−2.3
−5%
−47.22%
BLSHBULLISH
−2.6
−5%
−52.09%
Cap weighting, illustrated

TESLA INC and CERUS CORP moved almost identically (+46.54% vs +50.33%), yet TSLA moved the ARKK 42.5× as much. In a cap-weighted index, the bigger company's weight turns the same percentage move into far more points.

Attribution map

slicing the +51.09 pt move · cell size = points contributed · color = direction, intensity = return
TSLA+7.7 pts(+46.5%)
BMNR+5.2 pts(+210.3%)
HOOD+5.2 pts(+1,026.2%)
SHOP+3.4 pts(+224.9%)
TEM+3.3 pts
PLTR+3.3 pts(+1,229.0%)
TWST+2.9 pts(+754.9%)
BLSH−2.6 pts(−52.1%)
NVDA+2.5 pts
AVGO+2.5 pts(+352.4%)
CBRS−2.3 pts(−47.2%)
WGS+2.1 pts(+1,823.7%)
CRSP+2.0 pts(+28.3%)
NTLA−2.0 pts(−54.8%)
AMZN+1.9 pts(+106.6%)
AMD+1.7 pts(+484.3%)
RXRX−1.7 pts(−39.1%)
META+1.5 pts(+137.2%)
XYZ+1.4 pts
GOOG
PACB−1.3 pts(−70.9%)
CRWV+1.0 pts
BWXT
NTRA
TSM+0.9 pts
TER
BEAM
ILMN
VCYT
XE
TXG
NET
SOFI
KTOS
COIN

Concentration curve

cumulative share of the +51.09 pt move · sorted by contribution
0%50%100%10213141stocks:3 stocks = 36%100% covered at 20

When they drove it

cumulative points through the period
0TSLA +7.70BMNR +5.25HOOD +5.19BLSH −2.57CBRS −2.31NTLA −1.96Oct 4Oct 9

Breadth

member returns, this period
−100%+100%+300%+500%+700%+900%+1,100%+1,300%+1,500%+1,700%
From −70.91% (PACB) to +1,823.71% (WGS). Equal-weight, the ARKK would be +378.17% vs the actual +132.60%; the gap is what cap weighting did.

By sector

point contribution · sums to +51.09 pts
Unknown41
+45.3

The year, session by session

every trading day of 2026 · hover for the move
JANFEBMARAPRMAYJUNJULAUGSEPOCT

Share this move

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