GILD vs MRK

A side-by-side look at GILD and MRK, updated throughout the trading session.

GILDGILD Open GILD on Vela

MRKMRK Open MRK on Vela

Performance, normalized

Z-scored closes: both paths on one scale, price levels aside.

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GILD vs MRK: how they differ

Gilead Sciences, Inc. (GILD) and Merck & Co., Inc. (MRK) are both in the Healthcare sector, in the same Drug Manufacturers - General industry. GILD trades on NASDAQ and MRK on NYSE.

GILD trades about 6.6 million shares a day on average, against 10.3 million for MRK. GILD has the higher beta (0.33 against 0.22 for MRK), meaning it has historically moved more with the broad market. Over the trailing twelve months, GILD paid $3.25 per share in dividends and MRK paid $3.40 per share.

Figures as of October 25, 2026.

The chart Z-score-normalizes each closing series, computing (close − mean) ÷ standard deviation over the window, so both paths share one scale regardless of price level, and correlation is computed on daily returns. Figures update throughout the trading session. Nothing on this page is financial advice.