Merck & Co., Inc. (MRK) Options Statistics & Positioning

Merck & Co., Inc. (MRK) options trade at a 30-day at-the-money implied volatility of 38.2%, an IV rank of 52 out of 100 over the past year. The options market prices a ±$13.34 (±9.2%) move in MRK for the front expiration. Max pain sits at $125 and the put/call open interest ratio is 0.73. Statistics are computed by OptiView from delayed OPRA options data and refresh every trading day.

Data as of Oct 9, 2026, 3:55 PM ET · OPRA data 15 minutes delayed · For information only — not investment advice.

Last close

$145.58

52-week range

$82.50 – $156.30

ATM IV (30d)

38.2%

IV rank

52 / 100

Moderate

Expected move

±$13.34 (±9.2%)

Put/call OI

0.73

Call-heavy

Max pain

$125

↓ 14.1% below close

Next earnings

Nov 4, 2026

What's MRK's IV rank right now?Where's the max pain for MRK?Explain what gamma exposure means for MRK.

Most Active MRK Contracts

Contract	Expiration	DTE	Last	IV	Volume
MRK $140 put	Nov 20, 2026	42d	$3.89	34.4%	1,526
MRK $160 call	Nov 20, 2026	42d	$2.17	33.7%	1,258
MRK $155 call	Nov 6, 2026	28d	$2.76	36.8%	809
MRK $147 call	Oct 16, 2026	7d	$1.55	22.5%	518
MRK $150 call	Oct 16, 2026	7d	$0.63	25.4%	467

See all active MRK contracts →

Explore MRK Options Statistics

MRK Implied Volatility

38.2% ATM IV (30d)

An IV rank of 52 places implied volatility in the middle of its 52-week range.

Full implied volatility analysis →

MRK Open Interest

0.73 put/call OI ratio

300,931 calls and 220,040 puts outstanding across all expirations.

Full open interest analysis →

MRK Max Pain

$125 max pain

14.1% below the last close — see how max pain has moved over the past year.

Full max pain analysis →

MRK Gamma Exposure

$4.58B net GEX

Positive dealer gamma — hedging currently leans against price swings.

Full gamma exposure analysis →

MRK Options Volume

19,987 contracts traded

Put/call volume ratio 0.48 — plus contracts running far above their usual volume.

Full volume & flow analysis →

MRK Most Active Options

$140 top volume strike

The 25 most actively traded MRK contracts with price, IV, greeks, and volume vs. average.

Full active contracts analysis →

Upcoming Earnings

MRK's next expected earnings date is Nov 4, 2026. Options currently price a ±$13.34 (±9.2%) move for the front expiration.

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MRK Options FAQ

When is MRK's next earnings date?

MRK's next expected earnings date is Nov 4, 2026. Options currently price a ±$13.34 (±9.2%) move for the front expiration.

How often is MRK options data on this page updated?

All MRK statistics on this page are computed by OptiView from delayed OPRA options data and refresh every trading day after the session close.

Where can I see MRK max pain, open interest, and implied volatility in detail?

OptiView publishes dedicated MRK pages for implied volatility, max pain, open interest, gamma exposure, options volume, and the most active contracts — each with charts, history, and a plain-English explanation of what the numbers mean.

Methodology. IV rank compares the current 30-day at-the-money implied volatility with its highest and lowest values over the past 52 weeks. Max pain is the strike that minimizes the total payout to option holders at expiration. The call and put walls are the strikes carrying the largest call and put open interest across all expirations. Net gamma exposure (GEX) is measured from the dealer perspective. All statistics are derived from delayed OPRA options data.

Options trading involves significant risk, and losses can exceed your initial investment. Always consult a licensed financial professional before making investment decisions. OptiView does not provide financial advice; all figures on this page are descriptive statistics, not recommendations.