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Amgen Inc.

Compare Last 28 Days Same Dates of Previous Year

Current Period Close
$443.75
Aug 06, 2026 - Sep 03, 2026
Previous Year Close
$283.85
Aug 06, 2025 - Sep 03, 2025
Net Comparison Delta
+$159.90 (+56.33%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(21 dates)
Current DateCurrent ClosePrevious DatePrevious CloseDelta (%)
Aug 06, 2026$404.85Aug 06, 2025$284.67+42.22%
Aug 07, 2026$410.95Aug 07, 2025$284.70+44.34%
Aug 10, 2026$417.20Aug 08, 2025$288.23+44.75%
Aug 11, 2026$414.30Aug 11, 2025$285.09+45.32%
Aug 12, 2026$416.18Aug 12, 2025$284.98+46.04%
Aug 13, 2026$417.84Aug 13, 2025$289.33+44.42%
Aug 14, 2026$415.21Aug 14, 2025$290.29+43.03%
Aug 17, 2026$419.38Aug 15, 2025$296.47+41.46%
Aug 18, 2026$425.28Aug 18, 2025$292.62+45.34%
Aug 19, 2026$442.36Aug 19, 2025$295.55+49.67%
Aug 20, 2026$433.73Aug 20, 2025$296.45+46.31%
Aug 21, 2026$439.33Aug 21, 2025$295.76+48.54%
Aug 24, 2026$443.84Aug 22, 2025$293.72+51.11%
Aug 25, 2026$442.24Aug 25, 2025$288.47+53.31%
Aug 26, 2026$440.34Aug 26, 2025$289.58+52.06%
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