What does the MRK options chain show right now?

As of May 15, 2026, Merck & Co., Inc. (MRK) has 526.8K contracts outstanding and 24.8K traded today, with ATM IV of 29.3%. The full chain spans every listed strike and expiration with bid/ask, Greeks, volume, and open interest per contract.

What expirations are available for MRK options?

The nearest expiration is 28 days out, followed by 34 days. Listed expirations typically extend monthly with weeklies between, plus LEAPS one to two years out for liquid names.

How tight are MRK options bid/ask spreads?

Average bid/ask spread across the chain is 33.35%. Wider spreads warrant conservative sizing; mid-market fills are unreliable for retail-size orders.

Merck & Co., Inc. (MRK) Options Chain

The options chain displays all available contracts with real-time quotes, Greeks, volume, and open interest for each strike and expiration. It is the primary tool for options trade selection.

Merck & Co., Inc. (MRK) operates in the Healthcare sector, specifically the Drug Manufacturers - General industry, with a market capitalization near $280.20B, listed on NYSE, employing roughly 73,000 people, carrying a beta of 0.20 to the broader market. Merck & Co. Led by Robert Davis, public since 1978-01-13.

Snapshot as of May 15, 2026.

Spot Price: $111.64
Total OI: 526.8K
Total Volume: 24.8K
Front Expiration: 28 days
Second Expiration: 34 days
ATM IV: 29.3%
Avg Bid/Ask Spread: 33.35%

As of May 15, 2026, Merck & Co., Inc. (MRK) has 526.8K open contracts and 24.8K contracts traded. The nearest expiration is 28 days out, followed by 34 days. ATM implied volatility is 29.3%. Average bid/ask spread across the chain is 33.35%: 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 MRK options chain Data Feeds Strategy Selection

Strategy selection on Merck & Co., Inc. 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 29.3% and dealer gamma exposure is positive, so dealer hedging is mechanically mean-reverting. Combine the options chain data here with the volatility-skew surface, dealer-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.

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

Frequently asked MRK options chain questions

What does the MRK options chain show right now?: As of May 15, 2026, Merck & Co., Inc. (MRK) has 526.8K contracts outstanding and 24.8K traded today, with ATM IV of 29.3%. The full chain spans every listed strike and expiration with bid/ask, Greeks, volume, and open interest per contract.
What expirations are available for MRK options?: The nearest expiration is 28 days out, followed by 34 days. Listed expirations typically extend monthly with weeklies between, plus LEAPS one to two years out for liquid names.
How tight are MRK options bid/ask spreads?: Average bid/ask spread across the chain is 33.35%. Wider spreads warrant conservative sizing; mid-market fills are unreliable for retail-size orders.