COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP (SBS) Implied Volatility

COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP (SBS) options trade at a 30-day at-the-money implied volatility of 30.3%, an IV rank of 5 out of 100 over the past year. This page breaks down SBS's implied volatility in plain English: where it sits versus its own history, how it compares with realized movement, and what the term structure and skew are saying.

Data as of Jul 10, 2026, 8:00 PM ET · OPRA data 15 minutes delayed · For information only — not investment advice.

Last close
$5.80
52-week range
$3.83 – $9.68
ATM IV (30d)
30.3%
IV rank
5 / 100
Low
Expected move
±$0.24 (±4.2%)
Put/call OI
0.08
Call-heavy
Max pain
$5
↓ 13.7% below close

Implied Volatility & Expected Move

0%137%274%411%548%Jan '26Apr '26Jul '26

SBS 30-day at-the-money implied volatility, past year.

ATM IV — front expiration30.3%
ATM IV — 2 month53.4%
ATM IV — 3 month54.5%
IV rank (1 year)5 / 100
IV percentile (1 year)29%
Expected move (front expiration)±$0.24 (±4.2%)
Historical volatility — 10 day43.2%
Historical volatility — 21 day62.7%
Historical volatility — 30 day59.0%
Historical volatility — 60 day127.7%
IV / HV ratio0.51
Term slope (front − 3M)-24.2 pts

An IV rank of 5 places current implied volatility in the lower part of its 52-week range. With an IV/HV ratio of 0.51, options currently price in less movement than the stock has recently realized. The term structure is in contango — front-month IV sits below 3-month IV, the typical shape in calm markets.

SBS IV Rank History

0285583110Feb '26May '26Jul '26

SBS IV rank (0–100), past year.

IV rank has fallen from 52 in Feb '26 to 5 today. An IV percentile of 29% means implied volatility was lower than today on 29% of trading days in the past year.

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SBS Options FAQ

What is the implied volatility of SBS options?

SBS options trade at a 30-day at-the-money implied volatility of 30.3% as of Jul 10, 2026. That is an IV rank of 5 out of 100, meaning implied volatility is subdued relative to its own 52-week range.

Is SBS implied volatility high or low right now?

By its own 52-week standards, SBS implied volatility is currently low: IV rank is 5 out of 100 as of Jul 10, 2026. Compared with realized movement, the IV/HV ratio of 0.51 shows options pricing less movement than the stock has recently delivered.

What move do SBS options imply before the next expiration?

Front-expiration SBS options imply a one-standard-deviation move of ±$0.24 (±4.2%) as of Jul 10, 2026, derived from at-the-money option prices.

What is the difference between SBS's IV rank and IV percentile?

IV rank (currently 5) measures where today's implied volatility sits between its 52-week low and high. IV percentile (currently 29%) counts the share of trading days in the past year with lower implied volatility than today. Percentile is less distorted by one-off volatility spikes.

Methodology. IV rank compares the current 30-day at-the-money implied volatility with its highest and lowest values over the past 52 weeks. Max pain is the strike that minimizes the total payout to option holders at expiration. The call and put walls are the strikes carrying the largest call and put open interest across all expirations. Net gamma exposure (GEX) is measured from the dealer perspective. All statistics are derived from delayed OPRA options data.

Options trading involves significant risk, and losses can exceed your initial investment. Always consult a licensed financial professional before making investment decisions. OptiView does not provide financial advice; all figures on this page are descriptive statistics, not recommendations.