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AMGN vs ISRG

A side-by-side look at AMGN and ISRG, updated throughout the trading session.

Performance, normalized

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

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AMGN vs ISRG: how they differ

Amgen Inc. (AMGN) and Intuitive Surgical, Inc. (ISRG) are both in the Healthcare sector: AMGN is classified in Drug Manufacturers - General, ISRG in Medical - Instruments & Supplies. Both trade on NASDAQ.

AMGN trades about 2.7 million shares a day on average, against 2.8 million for ISRG. ISRG has the higher beta (1.46 against 0.41 for AMGN), meaning it has historically moved more with the broad market. AMGN paid $9.94 per share in dividends over the trailing twelve months; ISRG does not currently pay one.

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.