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Onto Innovation Inc. (ONTO) short interest & options flow

NYSE

Onto Innovation heads into its November 5 earnings report down 34% over the past month, yet the week that just closed was fractionally positive, a small stabilisation that masks a violent Thursday, when the stock fell 9.2% in a single session to close at $201.57. The most important thing to understand about that fall is the company it kept. Lam Research dropped 6% on…

Latest pulse3 Jul 2026

ONTO short interest jumps 43% in one week to 5.8% of float, driven by recent stock weakness and analyst upgrades creating hedging demand.

$173.28+11.08% 1d-14.03% 1w-44.76% 1mClose: 6 Nov 2026
Cost to borrow
Low
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Availability
High
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Market cap
$8.50B
Next earnings
9 Nov 2026
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Key data as of 8 Nov 2026

ORTEX chart of Onto Innovation Inc. (ONTO) share price and short interest (% of free float), six months to November 6, 2026