PRTS Open Interest
CarParts.com Inc (PRTS) had 326 open option contracts as of Nov 4, 2026: 293 calls and 33 puts. Open interest fell 51.9% over the past four weeks. The put/call open interest ratio is 0.11, so calls outnumber puts.
Open Interest by Strike
Showing results for PRTS, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for PRTS, 2026-11-20(m), calls & puts
| Call Open Interest Total | |
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| Put Open Interest Total | |
| Open Interest Total | |
| Put-Call Open Interest Ratio |
Highest Open Interest Options
Showing results for PRTS, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for PRTS, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for PRTS, all expirations, calls & puts. View full history
PRTS Open Interest FAQ
What is open interest?
Open interest is the number of option contracts that are open and not yet closed, exercised, or expired. The Options Clearing Corporation calculates it once a day from the previous day's trades, and it is published before the market opens.
How much open interest does PRTS have?
CarParts had 326 open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 476 contracts.
Is PRTS open interest rising or falling?
Open interest fell 51.9% over the past four weeks. It was 678 contracts on Oct 7, 2026. See the PRTS open interest history for a longer view.
What is the PRTS put/call open interest ratio?
The CarParts put/call open interest ratio was 0.11 as of Nov 4, 2026. Four weeks earlier it was 0.80.
What is CarParts.com Inc?
CarParts.com Inc is an online provider of automotive aftermarket parts and repair information.