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Inspire Medical Systems, Inc. (INSP) short interest & options flow

NYSE

Inspire Medical Systems heads into its November 3 earnings report with short sellers sitting at their most aggressive position in months, even as the borrow market remains wide open. Short interest has climbed to nearly 15% of the free float, up roughly 10% over the past month and 4.5% over the past week, making it one of the more heavily shorted names in the medtech space. That…

Latest pulse23h ago

INSP cost to borrow surges 158% in one week to 0.40%, rising from a low of 0.15% on October 23.

$67.21-1.31% 1d-5.35% 1w-3.94% 1mClose: 2 Nov 2026
Short interest % of float
High
Live SI on ORTEX →
Cost to borrow
Low and dropping
Live CTB on ORTEX →
Market cap
$1.97B
Next earnings
10 Feb 2027
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Key data as of 3 Nov 2026

ORTEX chart of Inspire Medical Systems, Inc. (INSP) share price and short interest (% of free float), six months to November 2, 2026

Latest signals on INSP

  • Cost to Borrow

    INSP cost to borrow surges 158% in one week to 0.40%, rising from a low of 0.15% on October 23.

    2 Cost to Borrow updates in 30 days

  • Alt Data

    INSP retail attention hits 5.04 standard deviations above its own 90-day average, per Wikipedia views and ORTEX stock page data, signaling a sharp spike in retail investor focus as the company heads toward November earnings.

INSP news and analysis

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