What is OEF's market cap?

$20.52B, based on the Sep 28 close of $383.18.

Does iShares S&P 100 ETF pay a dividend?

Yes. The latest regular dividend was $0.7628 per share (ex-date Sep 15), an annualised yield of 0.80%.

NYSE Arca · OEF

iShares S&P 100 ETF (OEF)

$383.18−0.77%

Close Sep 28, 2026 · split-adjusted

Sep 28, 2026$383.18▲ 15.61% in range

Sep 29, 2025Low $308.21 · High $387.14Sep 28, 2026

What changed · written from our data

As of Sep 28, 2026

iShares S&P 100 ETF closed at $383.18 on Sep 28, down 0.77%, 1.0% below its 52-week closing high. Volume of 232.3K shares was 1.14× its 20-day average (close to normal).

Split-adjusted performance: +0.6% over one month, +24.0% over six months, +16.3% over one year.

Short interest was 62.2K shares at the Sep 15 settlement, up 24.9% from the prior report (1.0 days to cover).

Market cap$20.52B53.5M shares

Revenue · quarter——

Diluted EPS——

P/E · TTM—

Net margin—

Dividend yield0.80%$0.7628 last paid

52-week range308.21 – 387.14−1.0% from high

Volume232.3K1.14× 20-day avg

Volatility · 60d12.3%Annualised

Short % of float—1.0 days to cover

Net cash—

Next earnings—Not scheduled

Split-adjusted performance

1W −1.0%1M +0.6%3M +5.7%6M +24.0%YTD +11.7%1Y +16.3%3Y +88.4%5Y +91.3%

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 short62.2K+24.9% vs prior

Days to cover1.0Settled Sep 15

% of float—

Short vol. 10d51.0%of daily volume

News about iShares S&P 100 ETF

All news →

Should iShares S&P 100 ETF (OEF) Be on Your Investing Radar?Zacks Investment Research · Sep 14, 2026▲ Positive

Quick answers

What is OEF's market cap?: $20.52B, based on the Sep 28 close of $383.18.
Does iShares S&P 100 ETF pay a dividend?: Yes. The latest regular dividend was $0.7628 per share (ex-date Sep 15), an annualised yield of 0.80%.

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