MRK

MRK options carry 502K contracts of open interest across 16 expiries, 16% of it in the Oct 16 contract, with 0.80 puts per call.

80% of open interest sits beyond the Oct 16 contract · 48 strikes listed for it · 502K contracts open in all

The Oct 16 contract holds 49.7K calls and 28.5K puts, the most call OI at $165.00 and the most put OI at $105.00; max pain $140.00, −3.7% from the close.

Call OI, contracts

49.7K+3.08K on the day

Put OI, contracts

28.5K+136 on the day

Puts per call, by OI

0.57all expiries 0.80

Max pain

$140.00−3.7% from the close

Strikes listed

48for this expiry

Revenue $16.61B, +5.1% on a year earlier; profit −$1.33B, −130% in the Jun 2026 quarter, consolidated.

MRK trades at 120 times trailing earnings, 8.6 times book value, revenue +4.6% over twelve months, a 1.2% dividend yield, market cap $358.50B.

Market cap

$358.50Bon Sep 30

Price to earnings

120consolidated · four quarters to Jun 2026

Trailing EPS

$1.25diluted · consolidated · four quarters to Jun 2026

Price to book

8.6consolidated · balance sheet to Jun 2026

Book value a share

$17.00consolidated · balance sheet to Jun 2026

Debt to equity

—

Return on equity

7.0%trailing profit over average equity · consolidated

Dividend yield

1.2%$1.70 a share in 365 days

Price to sales

5.4market cap over revenue, four quarters to Jun 2026

Shares outstanding

2.47Bon Sep 30

Revenue, trailing 12 months

$66.57Bfour quarters to Jun 2026

Revenue growth, 12 months

▲ +4.6%against the twelve months before

Revenue 3-year CAGR

▲ +4.5%trailing twelve months against the twelve months 3 years earlier · consolidated

Profit, trailing 12 months

$3.17Bfour quarters to Jun 2026

Profit growth, 12 months

▼ −81%against the twelve months before

Profit 3-year CAGR

▲ +0.66%trailing twelve months against the twelve months 3 years earlier · consolidated

13F managers hold 160% of shares, BlackRock, Inc. the largest at 18%, VANGUARD CAPITAL MANAGEMENT LLC 13% and STATE STREET CORP 9.8%, as filed for the quarter to Jun 2026.

• BlackRock, Inc. 18.4%
• VANGUARD CAPITAL MANAGEMENT LLC 13.1%
• STATE STREET CORP 9.8%
• Other 13F managers 117.6%

Held by 13F managers

160%of shares outstanding

Shares held

3.92B+1.6% on Mar 2026 among managers filing both

Managers holding

3,6333,599 a quarter earlier

Largest holder

18%BlackRock, Inc.

No open-market insider buying or selling in the last 90 days.

Nothing upcoming on record; the last was a dividend of $0.85 a share, ex-date Sep 15, 2026.

MRK is −3.0% over 20 sessions against the S&P 500's +0.1%, 7.4% below its 52-week high, realised volatility 19% annualised.

Average true range, 14

$3.42.3% of the close

Average day's range, 20

$3.12.2% of the close

Volume against 20 sessions

1.05×10.2M vs 9.73M average

Realised volatility, 20

19%≈ ±1.2% a session · moved more than that on 7 of 20

Realised volatility, 60

34%≈ ±2.1% a session · moved more than that on 12 of 60

Beta to S&P 500, 60

0.39moved with S&P 500 on 37 of 60 sessions

Last 20 sessions

9 up · 11 downof 20

Last 60 sessions

31 up · 29 downof 60

Best session, 250

▲ +13%Aug 19

Worst session, 250

▼ −3.9%Apr 21

Short sales were 20% of reported volume on Sep 30, 2026, against 43% over the last 25 sessions.

Company

Merck & Co., Inc.

Exchange

XNYS

SEC CIK

310158

Sessions on record

131

Price source

End of day · delayed

Computed

1 Oct, 07:53 pm IST

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