What is ARKX's market cap?

$760.06M, based on the Sep 28 close of $32.07.

Cboe BZX · ARKX

ARK Space & Defense Innovation ETF (ARKX)

$32.07−1.91%

Close Sep 28, 2026 · split-adjusted

Sep 28, 2026$32.07▲ 13.97% in range

Sep 29, 2025Low $25.74 · High $37.74Sep 28, 2026

What changed · written from our data

As of Sep 28, 2026

ARK Space & Defense Innovation ETF closed at $32.07 on Sep 28, down 1.91%, 15.0% below its 52-week closing high. Volume of 416.9K shares was 1.13× its 20-day average (close to normal).

Split-adjusted performance: -2.3% over one month, +10.9% over six months, +15.9% over one year.

Short interest was 153.3K shares at the Sep 15 settlement, down 52.3% from the prior report (1.0 days to cover).

Market cap$760.1M23.7M shares

Revenue · quarter——

Diluted EPS——

P/E · TTM—

Net margin—

Dividend yieldNone

52-week range25.74 – 37.74−15.0% from high

Volume416.9K1.13× 20-day avg

Volatility · 60d27.0%Annualised

Short % of float—1.0 days to cover

Net cash—

Next earnings—Not scheduled

Split-adjusted performance

1W −2.5%1M −2.3%3M −3.2%6M +10.9%YTD +10.7%1Y +15.9%3Y +134.1%5Y +59.6%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within industry

Not enough peers to rank

6-month momentum—

Revenue growth—

Net margin—

Value (low P/E)—

Size—

Short interest

Details →

Shares short153.3K−52.3% vs prior

Days to cover1.0Settled Sep 15

% of float—

Short vol. 10d37.1%of daily volume

News about ARK Space & Defense Innovation ETF

All news →

Which Space and Defense ETF Is the Better Buy: ARK's ARKX or First Trust's MISL?The Motley Fool · Aug 18, 2026▲ Positive Cathie Wood's Ark Invest Bought Over $51 Million of SpaceX Stock Last WeekThe Motley Fool · Jul 16, 2026▲ Positive PPA vs ARKX Aerospace ETF Showdown: Which ETF Is the High Flier for 2026?The Motley Fool · Jul 9, 2026▲ Positive First Trust (MISL) vs. ARK (ARKX): Which Space and Aerospace ETF Reigns Supreme?The Motley Fool · May 31, 2026▲ Positive

Quick answers

What is ARKX's market cap?: $760.06M, based on the Sep 28 close of $32.07.

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology