MRK Merck & Co. Health Care
145.27last close (2026-10-23)
-1.34%1D change
+39.3%YTD
156.002026 high
102.322026 low
2718rows (2016-01-04 → 2026-10-23)
Price & volume — last 250 trading days green up / red down (US convention)
Latest quality record
| Status | Rows | Gap flags | Bad OHLC rows |
|---|---|---|---|
| warn | 2718 | 0 | 1 |
Data: yfinance (split/dividend adjusted) · S&P 500 universe ·
prices for research use only, not investment advice.