INFU · InfuSystem Holdings, Inc

Track INFU — free Ask ALVIS about INFU

$9.12 +0.23 (+2.59%) At close · Jul 24

Market Cap

$184.06M

20.18M

Options Chain

15-min delayed Underlying $9.12 · at close Jul 24, 2026 Options Calculator

Positioning

Aug 21, 2026 · 27 days to expiry · 16 contracts

Put / call OI

0.45

Call-heavy positioning

Open interest

350

contracts outstanding

Volume

traded today

Max pain

$10.00

$0.88 above spot

ATM implied vol

60.3%

market's expected move

Open interest by strike

Calls Puts

2.5

7.5

12.5

17.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 27d Sep 18 55d Nov 20 118d Feb 19 209d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
3	2	—	—	$7.34		$0.20	—	—	1	1
Call · $2.5 In the money Last $7.34 Breakeven $9.84 Implied vol — Delta — Gamma — Theta — Vega — Open interest 3 Model this call Put · $2.5 Last $0.20 Breakeven $2.30 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
7	1	—	—	$3.45		$0.05	—	—	4	4
Call · $5 In the money Last $3.45 Breakeven $8.45 Implied vol — Delta — Gamma — Theta — Vega — Open interest 7 Model this call Put · $5 Last $0.05 Breakeven $4.95 Implied vol — Delta — Gamma — Theta — Vega — Open interest 4 Model this put
9	2	—	—	$1.74		$0.15	-0.162	82.3%	4	69
Call · $7.5 In the money Last $1.74 Breakeven $9.24 Implied vol — Delta — Gamma — Theta — Vega — Open interest 9 Model this call Put · $7.5 Last $0.15 Breakeven $7.35 Implied vol 82.3% Delta -0.162 ≈16% ITM Gamma 0.12 Theta -0.009 Vega 0.006 Open interest 69 Model this put
Underlying $9.12
29	1	60.3%	0.326	$0.60		$1.30	—	—	2	33
Call · $10 Last $0.60 Breakeven $10.60 Implied vol 60.3% Delta 0.326 ≈33% ITM Gamma 0.239 Theta -0.01 Vega 0.009 Open interest 29 Model this call Put · $10 In the money Last $1.30 Breakeven $8.70 Implied vol — Delta — Gamma — Theta — Vega — Open interest 33 Model this put
164	1	98%	0.152	$0.14		$4.63	-0.83	105.9%	1	1
Call · $12.5 Last $0.14 Breakeven $12.64 Implied vol 98% Delta 0.152 ≈15% ITM Gamma 0.096 Theta -0.011 Vega 0.005 Open interest 164 Model this call Put · $12.5 In the money Last $4.63 Breakeven $7.87 Implied vol 105.9% Delta -0.83 ≈83% ITM Gamma 0.099 Theta -0.012 Vega 0.008 Open interest 1 Model this put
14	1	—	—	$0.20		—	-0.832	155%	—	0
Call · $15 Last $0.20 Breakeven $15.20 Implied vol — Delta — Gamma — Theta — Vega — Open interest 14 Model this call Put · $15 In the money Last — Breakeven — Implied vol 155% Delta -0.832 ≈83% ITM Gamma 0.066 Theta -0.017 Vega 0.006 Open interest 0 Model this put
15	15	—	—	$0.05		—	-0.85	183.8%	—	0
Call · $17.5 Last $0.05 Breakeven $17.55 Implied vol — Delta — Gamma — Theta — Vega — Open interest 15 Model this call Put · $17.5 In the money Last — Breakeven — Implied vol 183.8% Delta -0.85 ≈85% ITM Gamma 0.052 Theta -0.018 Vega 0.006 Open interest 0 Model this put
1	1	—	—	$0.35		—	-0.818	233%	—	0
Call · $20 Last $0.35 Breakeven $20.35 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this call Put · $20 In the money Last — Breakeven — Implied vol 233% Delta -0.818 ≈82% ITM Gamma 0.046 Theta -0.027 Vega 0.006 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 1337013 CUSIP 45685K102 13F (30d) 7 filings 7 filers Visit website Investor relations