FSBC · Five Star Bancorp

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$47.42 -0.41 (-0.86%) At close · Jul 29

Market Cap

$1.01B

21.38M

Options Chain

15-min delayed Underlying $47.42 · at close Jul 29, 2026 Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 22 contracts

Put / call OI

0.22

Call-heavy positioning

Open interest

contracts outstanding

Volume

traded today

Max pain

$35.00

$12.42 below spot

ATM implied vol

34.1%

market's expected move

Open interest by strike

Calls Puts

22.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Nov 20 113d Jan 15 169d Feb 19 204d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	246.7%	0.957	—		—	—	—	—	0
Call · $20 In the money Last — Breakeven — Implied vol 246.7% Delta 0.957 ≈96% ITM Gamma 0.003 Theta -0.057 Vega 0.013 Open interest 0 Model this call Put · $20 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	216.3%	0.952	—		—	—	—	—	0
Call · $22.5 In the money Last — Breakeven — Implied vol 216.3% Delta 0.952 ≈95% ITM Gamma 0.004 Theta -0.056 Vega 0.014 Open interest 0 Model this call Put · $22.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	182.6%	0.95	—		—	—	—	—	0
Call · $25 In the money Last — Breakeven — Implied vol 182.6% Delta 0.95 ≈95% ITM Gamma 0.005 Theta -0.049 Vega 0.015 Open interest 0 Model this call Put · $25 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	123.8%	0.951	—		—	—	—	—	0
Call · $30 In the money Last — Breakeven — Implied vol 123.8% Delta 0.951 ≈95% ITM Gamma 0.007 Theta -0.033 Vega 0.009 Open interest 0 Model this call Put · $30 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	1	87.6%	0.935	$10.50		$2.05	-0.076	93.4%	1	2
Call · $35 In the money Last $10.50 Breakeven $45.50 Implied vol 87.6% Delta 0.935 ≈93% ITM Gamma 0.012 Theta -0.029 Vega 0.018 Open interest 1 Model this call Put · $35 Last $2.05 Breakeven $32.95 Implied vol 93.4% Delta -0.076 ≈8% ITM Gamma 0.013 Theta -0.035 Vega 0.018 Open interest 2 Model this put
1	1	58%	0.896	$9.00		—	-0.12	63.5%	—	0
Call · $40 In the money Last $9.00 Breakeven $49.00 Implied vol 58% Delta 0.896 ≈90% ITM Gamma 0.026 Theta -0.028 Vega 0.019 Open interest 1 Model this call Put · $40 Last — Breakeven — Implied vol 63.5% Delta -0.12 ≈12% ITM Gamma 0.027 Theta -0.034 Vega 0.028 Open interest 0 Model this put
2	1	34.4%	0.746	$3.00		—	-0.25	33.7%	—	0
Call · $45 In the money Last $3.00 Breakeven $48.00 Implied vol 34.4% Delta 0.746 ≈75% ITM Gamma 0.079 Theta -0.03 Vega 0.039 Open interest 2 Model this call Put · $45 Last — Breakeven — Implied vol 33.7% Delta -0.25 ≈25% ITM Gamma 0.081 Theta -0.028 Vega 0.039 Open interest 0 Model this put
Underlying $47.42
4	1	42.8%	0.331	$1.77		—	-0.742	31%	—	0
Call · $50 Last $1.77 Breakeven $51.77 Implied vol 42.8% Delta 0.331 ≈33% ITM Gamma 0.072 Theta -0.041 Vega 0.042 Open interest 4 Model this call Put · $50 In the money Last — Breakeven — Implied vol 31% Delta -0.742 ≈74% ITM Gamma 0.091 Theta -0.025 Vega 0.042 Open interest 0 Model this put
0	—	52.7%	0.141	—		—	—	—	—	0
Call · $55 Last — Breakeven — Implied vol 52.7% Delta 0.141 ≈14% ITM Gamma 0.037 Theta -0.031 Vega 0.022 Open interest 0 Model this call Put · $55 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $60 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $60 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	1	—	—	$0.05		—	—	—	—	0
Call · $65 Last $0.05 Breakeven $65.05 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this call Put · $65 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. 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. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1275168 CUSIP 33830T103 13F (30d) 30 filings 30 filers Visit website Investor relations