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Companhia de Saneamento Básico do Estado de São Paulo - SABESP (SBS) short interest & options flow

NYSE

SBS, the São Paulo state water utility, publishes its latest results this morning having spent the past five weeks in near-continuous retreat. The ADR closed at $4.56 on November 5, down 27% over the past month, an extension of the brutal selloff that the previous article on this stock flagged as already extreme. What has changed since that note is short interest. After falling…

Latest pulse21 Oct 2026

SBS short interest falls 26.6% in one week to 8.2M shares, down 62.8% over the month as sellers unwind positions in the Brazilian water utility.

$4.95+2.91% 1d+9.51% 1w-26.56% 1mClose: 9 Nov 2026
Short interest % of float
Rising
Live SI on ORTEX →
Availability
Low
Live availability on ORTEX →
Market cap
$17.62B
Next earnings
25 Mar 2027
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Key data as of 10 Nov 2026

ORTEX chart of Companhia de Saneamento Básico do Estado de São Paulo - SABESP (SBS) share price and short interest (% of free float), six months to November 9, 2026

Latest signals on SBS

  • Short Interest

    SBS short interest falls 26.6% in one week to 8.2M shares, down 62.8% over the month as sellers unwind positions in the Brazilian water utility.

    8 Short Interest updates in 30 days

  • Options

    SBS put-call ratio plunges to 0.0103, 4.1 standard deviations below its 20-day mean of 0.105. Calls heavily favored; lowest PCR since late September.

SBS news and analysis

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