CLFD Open Interest
Clearfield Inc (CLFD) had 4.57K open option contracts as of Nov 5, 2026: 4.16K calls and 412 puts. Open interest rose 9.9% over the past four weeks, and is CLFD's highest level in 4 weeks. The put/call open interest ratio is 0.10, so calls outnumber puts.
Open Interest by Strike
Showing results for CLFD, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for CLFD, 2026-11-20(m), calls & puts
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| Put Open Interest Total | |
| Open Interest Total | |
| Put-Call Open Interest Ratio |
Highest Open Interest Options
Showing results for CLFD, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for CLFD, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for CLFD, all expirations, calls & puts. View full history
CLFD 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 CLFD have?
Clearfield had 4.57K open option contracts as of Nov 5, 2026. Over the past 30 days, open interest averaged 4.28K contracts.
Is CLFD open interest rising or falling?
Open interest rose 9.9% over the past four weeks, and is CLFD's highest level in 4 weeks. It was 4.16K contracts on Oct 8, 2026. See the CLFD open interest history for a longer view.
What is the CLFD put/call open interest ratio?
The Clearfield put/call open interest ratio was 0.10 as of Nov 5, 2026. Four weeks earlier it was 0.10.
What is Clearfield Inc?
Clearfield Inc designs, manufactures, and distributes fiber protection, fiber management, and fiber delivery solutions to enable rapid and cost-effective fiber-fed deployment throughout the broadband service provider space prominently across North America.