CASS · Cass Information Systems Inc

Track CASS — free Ask ALVIS about CASS

$54.10 +0.13 (+0.24%) At close · Jul 24

Market Cap

$698.26M

12.87M

Options Chain

15-min delayed Underlying $54.10 · today Options Calculator

Positioning

Aug 21, 2026 · 26 days to expiry · 20 contracts

Put / call OI

0.36

Call-heavy positioning

Open interest

contracts outstanding

Volume

traded today

Max pain

$50.00

$4.10 below spot

ATM implied vol

27.9%

market's expected move

Open interest by strike

Calls Puts

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 26d Sep 18 54d Dec 18 145d Mar 19 236d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	145.6%	0.986	—		—	—	—	—	0
Call · $25 In the money Last — Breakeven — Implied vol 145.6% Delta 0.986 ≈99% ITM Gamma 0.002 Theta -0.013 Vega 0.005 Open interest 0 Model this call Put · $25 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	122.2%	0.977	—		—	—	—	—	0
Call · $30 In the money Last — Breakeven — Implied vol 122.2% Delta 0.977 ≈98% ITM Gamma 0.003 Theta -0.017 Vega 0.01 Open interest 0 Model this call Put · $30 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	87.1%	0.978	—		—	—	—	—	0
Call · $35 In the money Last — Breakeven — Implied vol 87.1% Delta 0.978 ≈98% ITM Gamma 0.004 Theta -0.012 Vega 0.006 Open interest 0 Model this call Put · $35 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	87.8%	0.921	—		—	—	—	—	0
Call · $40 In the money Last — Breakeven — Implied vol 87.8% Delta 0.921 ≈92% ITM Gamma 0.012 Theta -0.035 Vega 0.022 Open interest 0 Model this call Put · $40 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
3	1	—	—	$9.00		$0.35	-0.117	64.3%	1	1
Call · $45 In the money Last $9.00 Breakeven $54.00 Implied vol — Delta — Gamma — Theta — Vega — Open interest 3 Model this call Put · $45 Last $0.35 Breakeven $44.65 Implied vol 64.3% Delta -0.117 ≈12% ITM Gamma 0.021 Theta -0.036 Vega 0.035 Open interest 1 Model this put
0	1	34.1%	0.826	$3.40		$1.10	-0.313	82.1%	1	3
Call · $50 In the money Last $3.40 Breakeven $53.40 Implied vol 34.1% Delta 0.826 ≈83% ITM Gamma 0.052 Theta -0.025 Vega 0.037 Open interest 0 Model this call Put · $50 Last $1.10 Breakeven $48.90 Implied vol 82.1% Delta -0.313 ≈31% ITM Gamma 0.03 Theta -0.082 Vega 0.048 Open interest 3 Model this put
Underlying $54.10
5	1	18.8%	0.405	$1.25		—	-0.533	37%	—	0
Call · $55 Last $1.25 Breakeven $56.25 Implied vol 18.8% Delta 0.405 ≈40% ITM Gamma 0.144 Theta -0.021 Vega 0.058 Open interest 5 Model this call Put · $55 In the money Last — Breakeven — Implied vol 37% Delta -0.533 ≈53% ITM Gamma 0.075 Theta -0.04 Vega 0.058 Open interest 0 Model this put
3	2	79.6%	0.358	$0.20		—	—	—	—	0
Call · $60 Last $0.20 Breakeven $60.20 Implied vol 79.6% Delta 0.358 ≈36% ITM Gamma 0.033 Theta -0.083 Vega 0.053 Open interest 3 Model this call Put · $60 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $65 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $65 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $70 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $70 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 708781 CUSIP 14808P109 13F (30d) 26 filings 26 filers Visit website