Expand MRK Menu
MRK MENU

MRK Stock Posts


MRK 148.21+4.58 (+3.2%)Merck Common (New)

  • ATM straddle for 23-Oct-26 expiration returned a positive 55.7% from the previous business day
  • The upside wing (25 delta calls) gained 212.4%
  • Downside put (25 delta puts) lost -73.5%
  • MRK will report earnings on Oct 29, 2026 before the market opens
  • The company has the following event: Playing with Heart educational program between Apr 1, 2026 and Oct 31, 2026.
  • The option volume for 23-Oct-26 expiration is 2,220
Elevated Implied Volatility MRK XP GME #optionstrading
Elevated Implied Volatility MRK MRNA CVS #optionstrading
Something to keep an eye on: Mostly large institutional traders are showing a long build up in $MRK. Net option volume delta is 335 K!
Unusual Option Volume

MRK Merck Common (New)153.14+3.64 (+2.4%)

Merck Common (New) trades 33,898 contracts. MRK will report earnings on Oct 29, 2026. The company has the following event: Playing with Heart educational program between Apr 1, 2026 and Oct 31, 2026. News: U.S. FDA Approves Update to the Label for WINREVAIR (sotatercept-csrk) to Include Data from the Phase 3 HYPERION Trial Evaluating Adults Recently Diagnosed with Pulmonary Arterial Hypertension (PAH, WHO* Group 1 Pulmonary Hypertension)
View Details...
Large Decrease in Open Interest

MRK Merck Common (New)143.24-0.76 (-0.5%)

The open interest (OI) on the 18-Sep-26 100.00 strike decreased by 14,625 call contracts and was unchanged for puts. The total OI for the expiration was decreased by -41,067. View Open Interest
Load Earlier Posts
Market Data Delayed 15 Minutes