SMP · Standard Motor Products, Inc.

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$38.49 +0.40 (+1.04%) At close · Jul 24

Market Cap

$860.92M

22.26M

Options Chain

15-min delayed Underlying $38.49 · today Options Calculator

Positioning

Aug 21, 2026 · 27 days to expiry · 18 contracts

Put / call OI

0.24

Call-heavy positioning

Open interest

contracts outstanding

Volume

traded today

Max pain

$35.00

$3.49 below spot

ATM implied vol

40.4%

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

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	126.4%	0.982	—		—	—	—	—	0
Call · $20 In the money Last — Breakeven — Implied vol 126.4% Delta 0.982 ≈98% ITM Gamma 0.003 Theta -0.01 Vega 0.004 Open interest 0 Model this call Put · $20 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	106.1%	0.979	—		—	—	—	—	0
Call · $22.5 In the money Last — Breakeven — Implied vol 106.1% Delta 0.979 ≈98% ITM Gamma 0.005 Theta -0.009 Vega 0.004 Open interest 0 Model this call Put · $22.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	87.7%	0.976	—		—	—	—	—	0
Call · $25 In the money Last — Breakeven — Implied vol 87.7% Delta 0.976 ≈98% ITM Gamma 0.006 Theta -0.009 Vega 0.008 Open interest 0 Model this call Put · $25 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	64.1%	0.94	—		$0.18	-0.208	155.2%	1	2
Call · $30 In the money Last — Breakeven — Implied vol 64.1% Delta 0.94 ≈94% ITM Gamma 0.018 Theta -0.014 Vega 0.016 Open interest 0 Model this call Put · $30 Last $0.18 Breakeven $29.82 Implied vol 155.2% Delta -0.208 ≈21% ITM Gamma 0.018 Theta -0.086 Vega 0.031 Open interest 2 Model this put
5	3	47.6%	0.798	$4.80		$1.68	-0.203	48.4%	1	1
Call · $35 In the money Last $4.80 Breakeven $39.80 Implied vol 47.6% Delta 0.798 ≈80% ITM Gamma 0.057 Theta -0.026 Vega 0.027 Open interest 5 Model this call Put · $35 Last $1.68 Breakeven $33.32 Implied vol 48.4% Delta -0.203 ≈20% ITM Gamma 0.056 Theta -0.027 Vega 0.027 Open interest 1 Model this put
Underlying $38.49
3	1	33.8%	0.373	$0.84		$2.55	-0.577	46.9%	1	1
Call · $40 Last $0.84 Breakeven $40.84 Implied vol 33.8% Delta 0.373 ≈37% ITM Gamma 0.108 Theta -0.025 Vega 0.043 Open interest 3 Model this call Put · $40 In the money Last $2.55 Breakeven $37.45 Implied vol 46.9% Delta -0.577 ≈58% ITM Gamma 0.08 Theta -0.035 Vega 0.042 Open interest 1 Model this put
5	5	53.5%	0.166	$1.35		—	-0.83	54%	—	0
Call · $45 Last $1.35 Breakeven $46.35 Implied vol 53.5% Delta 0.166 ≈17% ITM Gamma 0.044 Theta -0.026 Vega 0.03 Open interest 5 Model this call Put · $45 In the money Last — Breakeven — Implied vol 54% Delta -0.83 ≈83% ITM Gamma 0.045 Theta -0.026 Vega 0.03 Open interest 0 Model this put
3	3	—	—	$2.15		—	-0.877	74.3%	—	0
Call · $50 Last $2.15 Breakeven $52.15 Implied vol — Delta — Gamma — Theta — Vega — Open interest 3 Model this call Put · $50 In the money Last — Breakeven — Implied vol 74.3% Delta -0.877 ≈88% ITM Gamma 0.026 Theta -0.028 Vega 0.021 Open interest 0 Model this put
1	2	89.9%	0.092	$0.05		—	-0.895	93.5%	—	0
Call · $55 Last $0.05 Breakeven $55.05 Implied vol 89.9% Delta 0.092 ≈9% ITM Gamma 0.018 Theta -0.029 Vega 0.022 Open interest 1 Model this call Put · $55 In the money Last — Breakeven — Implied vol 93.5% Delta -0.895 ≈90% ITM Gamma 0.019 Theta -0.031 Vega 0.022 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 93389 CUSIP 853666105 13F (30d) 25 filings 25 filers Visit website Investor relations