JMBS - Janus Henderson Mortgage-Backed Securities ETF

The Janus Henderson Mortgage-Backed Securities ETF (JMBS) is designed to achieve its investment goals by concentrating its holdings primarily in debt securities linked to mortgages. Typically, under ordinary market circumstances, the fund dedicates a substantial portion—at least 80%, and often nearly all—of its total investable capital (which includes any funds borrowed for investment purposes) to a diverse portfolio of mortgage-backed fixed-income instruments, spanning a variety of maturity dates. Furthermore, the fund has the option to employ derivatives as part of its strategy.

As of Jun 30, 2026: spot at $45.03, ATM IV 23.6%, max pain $45.00, net GEX $3.7K.

Sector
Financial Services
Industry
Asset Management - Bonds
Market Cap
$6.76B
Beta
1.20
52-Week Range
44.3-46.39
Dividend Yield
$2.33
IPO Date
Sep 13, 2018
Exchange
AMEX

What JMBS Looks Like to Options Traders Today

IV rank of 40.4% sits near the 1-year median, where strategy choice depends on directional conviction and the event calendar rather than vol regime alone; positive net gamma exposure ($3.7K) means dealers hedge against trend, damping realized volatility and biasing price toward heavy-OI strikes; the 25-delta skew (0.124) prices calls richer than puts, often reflecting upside speculation or squeeze risk.

What This Page Covers

The JMBS overview links into per-metric analysis views: max pain, gamma exposure, volatility skew, expected move, options chain, open interest history, and aggregate Greeks. Microstructure data is available on short interest, short volume, fail-to-deliver, and market structure.

Frequently asked JMBS overview questions

What is JMBS?
JMBS is the ticker symbol for Janus Henderson Mortgage-Backed Securities ETF, an listed exchange-traded fund. The Janus Henderson Mortgage-Backed Securities ETF (JMBS) is designed to achieve its investment goals by concentrating its holdings primarily in debt securities linked to mortgages. Typically, under ordinary market circumstances, the fund dedicates a substantial portion—at least 80%, and often nearly all—of its total investable capital (which includes any funds borrowed for investment purposes) to a diverse portfolio of mortgage-backed fixed-income instruments, spanning a variety of maturity dates. Listed on AMEX. JMBS is the ETF ticker shown on this page; ETF traders use the fund for diversified exposure to its underlying basket, for sector and factor rotation, and for hedging or replication strategies via the listed options chain.
What does the JMBS options snapshot look like today?
As of Jun 30, 2026, the JMBS options snapshot shows spot at $45.03, ATM IV 23.6%, IV rank 40.4%, max pain $45.00, net GEX $3.7K, expected move 6.77%. The full options chain, Greeks by strike and expiration, per-strike open-interest distribution, dealer gamma and delta exposure, and the volatility skew surface are linked from this overview page. Each per-metric route refreshes once per trading session and reflects the most recent close-of-business listed-options state.
What are JMBS's key statistics?
Janus Henderson Mortgage-Backed Securities ETF (JMBS) carries a market capitalization of $6.76B, 52-week range of 44.3-46.39. Full holdings disclosure, expense ratio, and tracking-error history live on the per-ticker fundamentals page or the sponsor's site; daily NAV and premium/discount-to-NAV are accessible from the same view. These structural inputs frame how the ETF options market prices implied volatility relative to its constituents.
What sector or industry does JMBS belong to?
Janus Henderson Mortgage-Backed Securities ETF operates in the Financial Services sector, in the Asset Management - Bonds industry. Sector classification affects how the ticker correlates with sector ETFs, how it reacts to macro factors like rate moves and commodity prices, and how its options pricing compares to sector peers. Compare JMBS's implied volatility and skew against sector benchmarks to gauge whether the options market is pricing single-name or systemic risk relative to the broader peer group.
How current is the JMBS data on this page?
The options snapshot above is dated Jun 30, 2026 and refreshes once per session, with all per-strike Greeks and exposure aggregates recomputed at the daily close. Fund-level fields (sponsor, expense ratio, holdings concentration where available) refresh from the vendor feed nightly. ETF-specific filings (N-CSR, N-PX, N-CEN) update on the SEC EDGAR cadence. FINRA microstructure data refreshes on the source's cadence; for ETFs the off-exchange volume signal is dominated by authorized-participant creation and redemption rather than directional flow.