Natera Stock Drops 6.5%, Shedding $3.6 Billion in One Session

As seen on the 24/7 Wall St. homepage on November 2, 2026.

NTRA Natera
Regular session
$388.82
-6.45% open $415.64
$417$401$385

A 6.45% slide to $388.82 strips roughly $3.6 billion off Natera's $56 billion market value in a single session. Whether the stock holds the $388 area into the close is the level to keep an eye on.

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Natera opened at $415.64 and slid steadily through regular trading, closing near $388.82 with no sustained bid stepping in.

A 6.45% drop strips roughly $3.6 billion off Natera's market cap, one of the heavier single-day losses in absolute terms the stock has seen.

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Price action stalled between roughly $387 and $392 late in the session, marking the near-term battleground for investors. Whether buyers defend the $388 area is the level worth watching.

A bounce off support versus a continuation lower sets the tone for the days ahead, and holders are weighing whether this session was a shakeout or the start of a broader reset.

Mentioned: NTRA