THRM · Gentherm Inc

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$42.69 -2.92 (-6.40%) At close · Jul 24

Market Cap

$1.31B

30.71M

Options Chain

15-min delayed Underlying $42.69 · at close Jul 24, 2026 Options Calculator

Positioning

Aug 21, 2026 · 25 days to expiry · 24 contracts

Put / call OI

0.59

Call-heavy positioning

Open interest

contracts outstanding

Volume

traded today

Max pain

$35.00

$7.69 below spot

ATM implied vol

56%

market's expected move

Open interest by strike

Calls Puts

17.5

22.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 25d Sep 18 53d Dec 18 144d Mar 19 235d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	—	—	—		—	—	—	—	0
Call · $17.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $17.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $20 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $20 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $22.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $22.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $25 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $25 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
4	3	—	—	$11.00		$0.20	-0.078	115.5%	1	10
Call · $30 In the money Last $11.00 Breakeven $41.00 Implied vol — Delta — Gamma — Theta — Vega — Open interest 4 Model this call Put · $30 Last $0.20 Breakeven $29.80 Implied vol 115.5% Delta -0.078 ≈8% ITM Gamma 0.011 Theta -0.038 Vega 0.017 Open interest 10 Model this put
10	10	—	—	$9.30		$1.60	-0.124	84.2%	1	4
Call · $35 In the money Last $9.30 Breakeven $44.30 Implied vol — Delta — Gamma — Theta — Vega — Open interest 10 Model this call Put · $35 Last $1.60 Breakeven $33.40 Implied vol 84.2% Delta -0.124 ≈12% ITM Gamma 0.021 Theta -0.039 Vega 0.027 Open interest 4 Model this put
22	14	—	—	$5.10		$1.54	-0.195	46.6%	1	1
Call · $40 In the money Last $5.10 Breakeven $45.10 Implied vol — Delta — Gamma — Theta — Vega — Open interest 22 Model this call Put · $40 Last $1.54 Breakeven $38.46 Implied vol 46.6% Delta -0.195 ≈20% ITM Gamma 0.052 Theta -0.029 Vega 0.029 Open interest 1 Model this put
Underlying $42.69
1	1	63%	0.486	$0.30		$2.50	-0.537	49.1%	5	4
Call · $45 Last $0.30 Breakeven $45.30 Implied vol 63% Delta 0.486 ≈49% ITM Gamma 0.055 Theta -0.06 Vega 0.046 Open interest 1 Model this call Put · $45 In the money Last $2.50 Breakeven $42.50 Implied vol 49.1% Delta -0.537 ≈54% ITM Gamma 0.071 Theta -0.043 Vega 0.047 Open interest 4 Model this put
0	—	49.9%	0.188	—		$4.10	-0.761	61.2%	2	3
Call · $50 Last — Breakeven — Implied vol 49.9% Delta 0.188 ≈19% ITM Gamma 0.047 Theta -0.032 Vega 0.033 Open interest 0 Model this call Put · $50 In the money Last $4.10 Breakeven $45.90 Implied vol 61.2% Delta -0.761 ≈76% ITM Gamma 0.045 Theta -0.041 Vega 0.033 Open interest 3 Model this put
0	—	—	—	—		—	-0.759	101%	—	0
Call · $55 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $55 In the money Last — Breakeven — Implied vol 101% Delta -0.759 ≈76% ITM Gamma 0.027 Theta -0.069 Vega 0.034 Open interest 0 Model this put
0	—	—	—	—		—	-0.796	119.2%	—	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 119.2% Delta -0.796 ≈80% ITM Gamma 0.021 Theta -0.073 Vega 0.035 Open interest 0 Model this put
0	—	—	—	—		—	-0.819	137.3%	—	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 137.3% Delta -0.819 ≈82% ITM Gamma 0.017 Theta -0.08 Vega 0.036 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 903129 CUSIP 37253A103 13F (30d) 46 filings 46 filers Visit website Investor relations