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Alpha Tau Medical Ltd. (DRTS) short interest & options flow

NASDAQ

Alpha Tau Medical received a major boost on Monday when Piper Sandler analyst Allison Bratzel upgraded the stock from Neutral to Overweight and lifted the price target from $8 to $22, implying 61% upside from Monday's close of $13.70. The $22 target sits above the current consensus estimate of $17.80. Short interest in DRTS rose 15.2% in a single day to 4.6% of free float, though availability remains tight at 27.6%, making short covering costly at 8.7% annualized borrow cost.

Latest pulse1d ago

DRTS upgrades to Overweight; Piper Sandler raises target 175% to $22.

Alpha Tau Medical received a major boost on Monday when Piper Sandler analyst Allison Bratzel upgraded the stock from Neutral to Overweight and lifted the price target from $8 to $22, implying 61% upside from Monday's close of $13.70. The $22 target sits above the current consensus estimate of $17.80. Short interest in DRTS rose 15.2% in a single day to 4.6% of free float, though availability remains tight at 27.6%, making short covering costly at 8.7% annualized borrow cost.

$14.02+2.34% 1d-0.07% 1w-2.71% 1mClose: 11 Nov 2026
Short interest % of float
Rising
Live SI on ORTEX →
Availability
Low
Live availability on ORTEX →
Market cap
$1.30B
Next earnings
16 Nov 2026
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Key data as of 12 Nov 2026

ORTEX chart of Alpha Tau Medical Ltd. (DRTS) share price and short interest (% of free float), six months to November 11, 2026

Latest signals on DRTS

  • Analyst

    DRTS upgrades to Overweight; Piper Sandler raises target 175% to $22.

  • Alt Data

    DRTS retail attention hits 5.4 standard deviations above its own 90-day average, per Wikipedia views and ORTEX stock page traffic data as of October 21.

  • Options

    DRTS put-call ratio surges to 0.521, up 4.4 standard deviations from 20-day mean of 0.151: highest reading since late September, signaling heavy put demand amid elevated short utilization at 96%.

  • Utilization

    DRTS utilization hits 96.1%, highest level in 52 weeks, as borrow availability crashes to 6.3% of short interest.

    3 Utilization updates in 30 days

DRTS news and analysis

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