MRK

Merck & Co., Inc. $143.93 1M +8.3% 3M +19.2% YTD +35.2% as of 2026-09-11
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Model view — historical tendencies for the days ahead, not a forecast
Next 1 day
+0.2%
Next 1 week
+0.6%
Next 1 month
+0.0%
Seasonality
Mildly positive window
Next 30 days (to Oct 13): +1.3% median, 57% of the last 63 years finished up.
20-year seasonality chart →
Mean reversion
Deeply oversold — RSI(2) at 2
RSI(2) under 15 is oversold (this name has historically bounced); over 85 is overbought. Its dip-buy edge in history is +0.09%/day.
Mean-reversion stats →
1-month breakdown — Market · β 0.19 +0.0% · Seasonal tilt -0.0%
$364.8B market cap (#33 US) $1.6B/day volume 31% volatility +71% 1-year -8% from ATH
52-week range · 84% of the way up · -8% from the high
$77.58$156.92

Congressional trades in MRK Full tracker →

61 members · 115 buys / 104 sells · $1.7M–$6.6M disclosed · latest filing Sep 9, 2026.

BUY MS Maria Elvira Salazar · traded Aug 19, 2026 $15K–$50K
SELL AA Alan Armstrong · traded Mar 27, 2026 $15K–$50K
BUY JG Josh Gottheimer · traded Feb 4, 2026 $1K–$15K
SELL JJ Julie Johnson · traded Dec 18, 2025 $1K–$15K
BUY GC Gilbert Cisneros · traded Dec 19, 2025 $1K–$15K
BUY GC Gilbert Cisneros · traded Nov 18, 2025 $1K–$15K
SELL JJ Julie Johnson · traded Nov 13, 2025 $1K–$15K
SELL VH Valerie Hoyle · traded Sep 23, 2025 $1K–$15K

Earnings Full history →

Next report 2026-10-29 (Thursday, before open, in 46 days) · EPS est. 2.21.

1-day std dev
3.1%
Finished up
45%
Biggest pop
+6.1%
Biggest drop
-9.8%

Standard deviation of the close-to-close move over the last 60 reports. History, not a forecast.

Data from the U.S. House Clerk and FINRA, plus end-of-day prices. Not investment advice.