PRTS · CarParts.com, Inc.

Track PRTS — free Ask ALVIS about PRTS

$5.26 +0.02 (+0.38%) At close · Jul 29

Market Cap

$423.84M

80.58M

Options Chain

15-min delayed Underlying $5.26 · at close Jul 29, 2026 Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 10 contracts

Put / call OI

0.05

Call-heavy positioning

Open interest

209

contracts outstanding

Volume

169

traded today

Max pain

$5.00

$0.26 below spot

ATM implied vol

89.2%

market's expected move

Open interest by strike

Calls Puts

2.5

7.5

12.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Oct 16 78d Jan 15 169d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	353%	0.904	—		—	—	—	—	0
Call · $2.5 In the money Last — Breakeven — Implied vol 353% Delta 0.904 ≈90% ITM Gamma 0.036 Theta -0.018 Vega 0.002 Open interest 0 Model this call Put · $2.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
70	60	66%	0.684	$0.30		$0.75	-0.356	112.4%	10	10
Call · $5 In the money Last $0.30 Breakeven $5.30 Implied vol 66% Delta 0.684 ≈68% ITM Gamma 0.418 Theta -0.007 Vega 0.004 Open interest 70 Model this call Put · $5 Last $0.75 Breakeven $4.25 Implied vol 112.4% Delta -0.356 ≈36% ITM Gamma 0.254 Theta -0.012 Vega 0.005 Open interest 10 Model this put
Underlying $5.26
128	98	415.4%	0.57	$0.05		—	-0.678	198.1%	—	0
Call · $7.5 Last $0.05 Breakeven $7.55 Implied vol 415.4% Delta 0.57 ≈57% ITM Gamma 0.072 Theta -0.049 Vega 0.005 Open interest 128 Model this call Put · $7.5 In the money Last — Breakeven — Implied vol 198.1% Delta -0.678 ≈68% ITM Gamma 0.14 Theta -0.021 Vega 0.005 Open interest 0 Model this put
1	1	265.6%	0.265	$0.35		—	-0.75	257.2%	—	0
Call · $10 Last $0.35 Breakeven $10.35 Implied vol 265.6% Delta 0.265 ≈27% ITM Gamma 0.093 Theta -0.026 Vega 0.005 Open interest 1 Model this call Put · $10 In the money Last — Breakeven — Implied vol 257.2% Delta -0.75 ≈75% ITM Gamma 0.094 Theta -0.024 Vega 0.005 Open interest 0 Model this put
0	—	—	—	—		—	-0.774	310.1%	—	0
Call · $12.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $12.5 In the money Last — Breakeven — Implied vol 310.1% Delta -0.774 ≈77% ITM Gamma 0.075 Theta -0.027 Vega 0.003 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 1378950 CUSIP 14427M206 13F (30d) 3 filings 3 filers Visit website Investor relations