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Amgen Inc. (AMGN) short interest & options flow

NASDAQ

AMGN trades near $465, up 4.7% on the week, roughly in line with the median gain of 4.1% across its closest large-cap biotech peers. GILD and VRTX ran harder, adding 9.4% and 6.7% respectively, while BIIB lagged at 1.2%. Within that context, Amgen's move looks measured rather than stretched. Options positioning has flipped notably toward…

Latest pulse20 Oct 2026

AMGN cost to borrow surges to 0.59%, up 216% over the past week, signaling tightening lending conditions despite low short interest at 2.4% of float.

$461.26-0.90% 1d+2.97% 1w+14.45% 1mClose: 3 Nov 2026
Short interest % of float
Low
Live SI on ORTEX →
Cost to borrow
Low
Live CTB on ORTEX →
Availability
High
Live availability on ORTEX →
Market cap
$249.37B
Next earnings
5 Nov 2026
See the full picture on ORTEX →Live short interest, options flow, signals, 13F filings, and more.

Key data as of 4 Nov 2026

ORTEX chart of Amgen Inc. (AMGN) share price and short interest (% of free float), six months to November 3, 2026

Latest signals on AMGN

  • Cost to Borrow

    AMGN cost to borrow surges to 0.59%, up 216% over the past week, signaling tightening lending conditions despite low short interest at 2.4% of float.

AMGN news and analysis

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ConfluenceAMGN

AMGN options turn bullish as borrow costs triple

Options traders are rotating out of puts on AMGN at the sharpest pace in months. The put-call ratio fell to 0.96 on Monday, 2.45 standard deviations below its 20-day mean of 1.07, the most bullish reading in the recent…

1 min read

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