WPRT · Westport Fuel Systems Inc.

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$1.92 +0.03 (+1.32%) At close · Jul 24

Market Cap

$36.38M

19.00M

Options Chain

15-min delayed Underlying $1.92 · at close Jul 24, 2026 Options Calculator

Positioning

Aug 21, 2026 · 27 days to expiry · 14 contracts

Put / call OI

26.95

Put-heavy positioning

Open interest

1,593

contracts outstanding

Volume

2,939

traded today

Max pain

$2.00

$0.09 above spot

ATM implied vol

192.6%

market's expected move

Open interest by strike

Calls Puts

0.5

1.5

2.5

7.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 27d Sep 18 55d Oct 16 83d Jan 15 174d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	353.5%	0.97	—		—	—	—	—	0
Call · $0.5 In the money Last — Breakeven — Implied vol 353.5% Delta 0.97 ≈97% ITM Gamma 0.037 Theta -0.002 Vega 0 Open interest 0 Model this call Put · $0.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	219.5%	0.918	—		$0.08	—	—	930	930
Call · $1 In the money Last — Breakeven — Implied vol 219.5% Delta 0.918 ≈92% ITM Gamma 0.132 Theta -0.003 Vega 0.001 Open interest 0 Model this call Put · $1 Last $0.08 Breakeven $0.92 Implied vol — Delta — Gamma — Theta — Vega — Open interest 930 Model this put
0	—	125.7%	0.814	—		$0.09	-0.182	122%	2k	606
Call · $1.5 In the money Last — Breakeven — Implied vol 125.7% Delta 0.814 ≈81% ITM Gamma 0.41 Theta -0.003 Vega 0.002 Open interest 0 Model this call Put · $1.5 Last $0.09 Breakeven $1.41 Implied vol 122% Delta -0.182 ≈18% ITM Gamma 0.418 Theta -0.003 Vega 0.002 Open interest 606 Model this put
Underlying $1.92
5	5	218.1%	0.593	$0.20		—	-0.443	167.2%	—	0
Call · $2 Last $0.20 Breakeven $2.20 Implied vol 218.1% Delta 0.593 ≈59% ITM Gamma 0.339 Theta -0.008 Vega 0.002 Open interest 5 Model this call Put · $2 In the money Last — Breakeven — Implied vol 167.2% Delta -0.443 ≈44% ITM Gamma 0.452 Theta -0.006 Vega 0.002 Open interest 0 Model this put
46	21	333.9%	0.569	$0.12		—	—	—	—	0
Call · $2.5 Last $0.12 Breakeven $2.62 Implied vol 333.9% Delta 0.569 ≈57% ITM Gamma 0.222 Theta -0.013 Vega 0.002 Open interest 46 Model this call Put · $2.5 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	-0.861	248%	—	0
Call · $5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $5 In the money Last — Breakeven — Implied vol 248% Delta -0.861 ≈86% ITM Gamma 0.174 Theta -0.005 Vega 0.001 Open interest 0 Model this put
6	6	—	—	$0.05		—	-0.731	418.9%	—	0
Call · $7.5 Last $0.05 Breakeven $7.55 Implied vol — Delta — Gamma — Theta — Vega — Open interest 6 Model this call Put · $7.5 In the money Last — Breakeven — Implied vol 418.9% Delta -0.731 ≈73% ITM Gamma 0.149 Theta -0.013 Vega 0.002 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 1370416 CUSIP 960908507 13F (30d) 21 filings 9 filers Visit website