SBS Short Interest
Companhia de Saneamento Básico do Estado de São Paulo - SABESP (SBS) operates in the Utilities sector, specifically the Regulated Water industry, with a market capitalization near $22.04B, listed on NYSE, employing roughly 8,717 people, carrying a beta of 0.09 to the broader market. SABESP, or Companhia de Saneamento Básico do Estado de São Paulo, is a key utility provider specializing in water and sewage services for residential, commercial, industrial, and governmental clients. Led by Carlos Augusto Leone Piani, public since 2002-05-10.
Short interest is the total number of shares currently sold short and not yet covered, reported twice monthly by FINRA. Days to cover (short interest divided by average daily volume) indicates how long it would take short sellers to close positions, with higher values signaling greater squeeze potential.
- Settlement Date
- 2026-09-30
- Short Interest
- 13.1M
- Previous Short Interest
- 13.8M
- Change
- -4.80%
- Days to Cover
- 1.95
- Avg Daily Volume
- 6.7M
- Avg Days to Cover (24 reports)
- 2.48
Showing 24 twice-monthly FINRA short interest reports for Companhia de Saneamento Básico do Estado de São Paulo - SABESP.
Learn how short interest is reported and how to read the data →
Frequently asked SBS short interest questions
- What is the current SBS short interest?
- As of the Sep 30, 2026 settlement, Companhia de Saneamento Básico do Estado de São Paulo - SABESP (SBS) short interest is 13.1M shares, a -4.80% change from the prior period. FINRA publishes short interest twice monthly on the 15th and last business day of each month under Rule 4560.
- What is the SBS days-to-cover ratio?
- Days-to-cover is 1.95, calculated as short interest divided by average daily volume. It estimates how many trading days closing all short positions would consume given typical liquidity. Values above 5 days are commonly cited as elevated; values above 10 days are squeeze-relevant.
- How does SBS short interest affect options pricing?
- High short interest changes options pricing through three mechanics: borrow-rebate effects (synthetic long stock trades below frictionless put-call parity by approximately the borrow rebate when shares are hard-to-borrow), gamma-squeeze setup risk (if dealers are short gamma against retail call buying, dealer hedge flow can amplify upward moves), and elevated event-vol pricing on names with squeeze potential. See the canonical short-interest documentation for the full mechanism.