State Street SPDR Dow Jones Industrial Average ETF Trust (DIA) Options Chain

The options chain displays all available contracts with end-of-day quotes, Greeks, volume, and open interest for each strike and expiration, and streams live quotes for traders who connect a broker. It is the primary tool for options trade selection.

State Street SPDR Dow Jones Industrial Average ETF Trust (DIA) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $45.66B, listed on AMEX, carrying a beta of 0.87 to the broader market. State Street SPDR Dow Jones Industrial Average ETF Trust is an exchange traded fund launched and managed by State Street Global Advisors, Inc. public since 1998-01-20.

Snapshot as of Oct 29, 2026.

Spot Price

$522.11

Total OI

588.4K

Total Volume

26.7K

Front Expiration

29 days

Second Expiration

36 days

ATM IV

13.1%

Avg Bid/Ask Spread

8.41%

Exposures are the assumed dealer book as of Oct 29, 2026, all expirations. Assumes dealers are long the calls and short the puts, a share p of open interest each - here 100% of open interest (the GEX page sets the share). A date without a stored exposure is a gap; a value marked * is partial, averaged over fewer days, or may include contracts expiring that day or of an unreadable expiration: its reason is printed beside it.

As of Oct 29, 2026, State Street SPDR Dow Jones Industrial Average ETF Trust (DIA) has 588.4K open contracts and 26.7K contracts traded. The nearest expiration is 29 days out, followed by 36 days. ATM implied volatility is 13.1%. Average bid/ask spread across the chain is 8.41%: wider spreads, size positions conservatively. The options chain aggregates every listed strike and expiration, letting traders evaluate skew, term structure, and liquidity in a single view.

How DIA options chain Data Feeds Strategy Selection

Strategy selection on State Street SPDR Dow Jones Industrial Average ETF Trust options does not derive from any single metric in isolation. The options chain view above sits inside a broader read: ATM IV currently sits at 13.1% and the assumed dealer book's GEX is positive, so its hedging is mean-reverting. Combine the options chain data here with the volatility-skew surface, gamma exposure, max-pain level, and upcoming-events calendar to build a positioning thesis. Risk-defined structures (credit spreads, debit spreads, iron condors) are usually safer than naked positions while the regime is uncertain; the data on this page anchors the inputs but does not by itself constitute a trade thesis.

How to read the DIA chain depth

The listed-expirations table below shows every expiration available for State Street SPDR Dow Jones Industrial Average ETF Trust options with its days-to-expiration count and ATM implied volatility. Front-month expirations carry the most volume, the highest gamma, and the tightest bid-ask spreads; longer-dated tenors carry less liquidity but more vega exposure. DIA front expiration sits at 29 days - the typical hedging horizon for monthly options. The contango term-structure slope of 0.003 means longer-dated tenors price in proportionally more IV.

DIA chain mechanics and execution

Options are listed at standardized strike intervals (typically $1 for sub-$25 underlyings, $2.50-$5 for mid-cap, $10-$50 for large-cap), and the deltas of each listed strike are determined by where IV lies relative to the strike's moneyness. Average bid/ask spread on the DIA chain is 8.41% - a measure of liquidity. Tighter spreads on liquid strikes mean lower transaction costs; wider spreads on long-dated or far-OTM strikes mean execution drag can dominate the math. The chain table on the SPA side shows the full per-strike, per-expiration grid; this SSR page summarizes the listed expirations and the front-month context to anchor the structural read.

Using the DIA chain to build structures

Strategy selection starts with the chain: directional theses use single-leg calls or puts, range-bound theses use credit spreads or iron condors, vol theses use straddles or strangles, calendar theses use diagonal spreads. DIA's current 3.74% expected move anchors wing placement - structures with wings at the implied band collect the modal-outcome premium under lognormal assumptions. Cross-reference with the gamma-exposure profile to understand where the assumed book's hedging would reinforce or fight your position, and with the volatility-skew chart to confirm the strikes you're trading sit at the IV levels your strategy assumes.

Learn how the options chain is reported and how to read the data →

DIA listed expirations

Per-expiration ATM implied volatility for DIA options. Each row is one listed expiration with its days-to-expiration count and ATM IV pulled from the same term-structure feed that powers the SPA's expiration filter. Front-month expirations carry the highest gamma, the tightest bid-ask spreads, and the most volume; longer-dated tenors carry less liquidity but more vega.

Frequently asked DIA options chain questions

What does the DIA options chain show right now?

As of Oct 29, 2026, State Street SPDR Dow Jones Industrial Average ETF Trust (DIA) has 588.4K contracts outstanding and 26.7K traded today, with ATM IV of 13.1%. The full chain spans every listed strike and expiration with bid/ask, Greeks, volume, and open interest per contract.

What expirations are available for DIA options?

The nearest expiration is 29 days out, followed by 36 days. Listed expirations typically extend monthly with weeklies between, plus LEAPS one to two years out for liquid names.

How tight are DIA options bid/ask spreads?

Average bid/ask spread across the chain is 8.41%. Wider spreads warrant conservative sizing; mid-market fills are unreliable for retail-size orders.