SBS · Companhia De Saneamento Basico Do Estado De Sao Paulo-Sabesp

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$4.60 -0.08 (-1.71%) At close · Aug 14

Market Cap

$16.18B

3.52B

Options Chain

Underlying $4.60 · at close Aug 14, 2026 Options Calculator

Positioning

Aug 21, 2026 · 4 days to expiry · 8 contracts · mixed snapshot sessions · Jul 10, 2026–Aug 14, 2026; 1 unknown

Put / call OI

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dated and unknown snapshot sessions

Open interest

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dated and unknown snapshot sessions

Volume

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dated and unknown snapshot sessions

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 4d Sep 18 32d Oct 16 60d Jan 15 151d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
1	1	—	—	$2.23		$0.10	—	—	1	1
Call · $2.5 In the money Snapshot session Aug 13, 2026 Last $2.23 Breakeven $4.73 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this call Put · $2.5 Snapshot session Aug 7, 2026 Last $0.10 Breakeven $2.40 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
Underlying $4.60
134	2	158.3%	0.373	$0.05		$0.40	-0.698	110.7%	2	1
Call · $5 Snapshot session Aug 14, 2026 Last $0.05 Breakeven $5.05 Implied vol 158.3% Delta 0.373 ≈37% ITM Gamma 0.45 Theta -0.033 Vega 0.002 Open interest 134 Model this call Put · $5 In the money Snapshot session Aug 13, 2026 Last $0.40 Breakeven $4.60 Implied vol 110.7% Delta -0.698 ≈70% ITM Gamma 0.583 Theta -0.022 Vega 0.002 Open interest 1 Model this put
72	66	379.1%	0.188	$0.15		—	-0.88	304.4%	—	0
Call · $7.5 Snapshot session Aug 12, 2026 Last $0.15 Breakeven $7.65 Implied vol 379.1% Delta 0.188 ≈19% ITM Gamma 0.133 Theta -0.056 Vega 0.002 Open interest 72 Model this call Put · $7.5 In the money Snapshot session Unknown Last — Breakeven — Implied vol 304.4% Delta -0.88 ≈88% ITM Gamma 0.12 Theta -0.034 Vega 0.001 Open interest 0 Model this put
1	1	444.8%	0.105	$0.12		$3.95	-0.838	510.7%	2	1
Call · $10 Snapshot session Aug 12, 2026 Last $0.12 Breakeven $10.12 Implied vol 444.8% Delta 0.105 ≈11% ITM Gamma 0.076 Theta -0.045 Vega 0.001 Open interest 1 Model this call Put · $10 In the money Snapshot session Jul 10, 2026 Last $3.95 Breakeven $6.05 Implied vol 510.7% Delta -0.838 ≈84% ITM Gamma 0.088 Theta -0.068 Vega 0.001 Open interest 1 Model this put

About this data

Each contract's last price, volume, greeks, implied volatility and open interest belongs to the snapshot session shown in its details; unknown means the provider omitted the timestamp. This chain has mixed snapshot sessions · Jul 10, 2026–Aug 14, 2026; 1 unknown. Cross-contract positioning totals are shown only when every returned row has the same known session. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown.

Key facts CIK 1170858 CUSIP 20441A102 13F (30d) 266 filings 265 filers Investor relations