EFSC · Enterprise Financial Services Corp

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$66.19 -0.53 (-0.79%) At close · Jul 29

Market Cap

$2.42B

36.59M

Options Chain

15-min delayed Underlying $66.19 · at close Jul 29, 2026 Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 26 contracts

Put / call OI

0.75

Balanced positioning

Open interest

contracts outstanding

Volume

traded today

Max pain

$70.00

$3.81 above spot

ATM implied vol

25.9%

market's expected move

Open interest by strike

Calls Puts

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Dec 18 141d Mar 19 232d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	182.5%	0.949	—		—	—	—	—	0
Call · $35 In the money Last — Breakeven — Implied vol 182.5% Delta 0.949 ≈95% ITM Gamma 0.003 Theta -0.069 Vega 0.02 Open interest 0 Model this call Put · $35 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	140.1%	0.949	—		—	—	—	—	0
Call · $40 In the money Last — Breakeven — Implied vol 140.1% Delta 0.949 ≈95% ITM Gamma 0.005 Theta -0.053 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
0	—	111.4%	0.938	—		—	—	—	—	0
Call · $45 In the money Last — Breakeven — Implied vol 111.4% Delta 0.938 ≈94% ITM Gamma 0.007 Theta -0.05 Vega 0.024 Open interest 0 Model this call Put · $45 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	85.8%	0.922	—		—	-0.066	80.9%	—	0
Call · $50 In the money Last — Breakeven — Implied vol 85.8% Delta 0.922 ≈92% ITM Gamma 0.01 Theta -0.046 Vega 0.025 Open interest 0 Model this call Put · $50 Last — Breakeven — Implied vol 80.9% Delta -0.066 ≈7% ITM Gamma 0.01 Theta -0.038 Vega 0.025 Open interest 0 Model this put
0	—	62.7%	0.897	—		—	-0.088	58.4%	—	0
Call · $55 In the money Last — Breakeven — Implied vol 62.7% Delta 0.897 ≈90% ITM Gamma 0.017 Theta -0.042 Vega 0.026 Open interest 0 Model this call Put · $55 Last — Breakeven — Implied vol 58.4% Delta -0.088 ≈9% ITM Gamma 0.017 Theta -0.034 Vega 0.026 Open interest 0 Model this put
0	—	44.6%	0.826	—		—	-0.232	60.7%	—	0
Call · $60 In the money Last — Breakeven — Implied vol 44.6% Delta 0.826 ≈83% ITM Gamma 0.035 Theta -0.043 Vega 0.041 Open interest 0 Model this call Put · $60 Last — Breakeven — Implied vol 60.7% Delta -0.232 ≈23% ITM Gamma 0.031 Theta -0.068 Vega 0.054 Open interest 0 Model this put
1	1	31.6%	0.609	$2.25		$0.75	-0.343	20.1%	1	1
Call · $65 In the money Last $2.25 Breakeven $67.25 Implied vol 31.6% Delta 0.609 ≈61% ITM Gamma 0.074 Theta -0.046 Vega 0.064 Open interest 1 Model this call Put · $65 Last $0.75 Breakeven $64.25 Implied vol 20.1% Delta -0.343 ≈34% ITM Gamma 0.114 Theta -0.027 Vega 0.064 Open interest 1 Model this put
Underlying $66.19
2	1	49.9%	0.35	$1.35		$4.00	-0.942	14.8%	1	2
Call · $70 Last $1.35 Breakeven $71.35 Implied vol 49.9% Delta 0.35 ≈35% ITM Gamma 0.046 Theta -0.069 Vega 0.059 Open interest 2 Model this call Put · $70 In the money Last $4.00 Breakeven $66.00 Implied vol 14.8% Delta -0.942 ≈94% ITM Gamma 0.057 Theta -0.005 Vega 0.016 Open interest 2 Model this put
1	1	49.7%	0.172	$0.45		—	—	—	—	0
Call · $75 Last $0.45 Breakeven $75.45 Implied vol 49.7% Delta 0.172 ≈17% ITM Gamma 0.031 Theta -0.047 Vega 0.047 Open interest 1 Model this call Put · $75 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	56.4%	0.1	—		—	—	—	—	0
Call · $80 Last — Breakeven — Implied vol 56.4% Delta 0.1 ≈10% ITM Gamma 0.019 Theta -0.036 Vega 0.032 Open interest 0 Model this call Put · $80 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $85 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $85 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $90 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $90 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $95 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $95 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 1025835 CUSIP 293712105 13F (30d) 45 filings 45 filers Visit website Investor relations