TECH Open Interest
Bio-Techne Corp (TECH) had 64.65K open option contracts as of Nov 4, 2026: 60.76K calls and 3.89K puts. Open interest fell 20.7% over the past four weeks. The put/call open interest ratio is 0.06, so calls outnumber puts.
Open Interest by Strike
Showing results for TECH, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for TECH, 2026-11-20(m), calls & puts
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| Put Open Interest Total | |
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Highest Open Interest Options
Showing results for TECH, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for TECH, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for TECH, all expirations, calls & puts. View full history
TECH 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 TECH have?
Bio-Techne had 64.65K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 71.94K contracts.
Is TECH open interest rising or falling?
Open interest fell 20.7% over the past four weeks. It was 81.51K contracts on Oct 7, 2026. See the TECH open interest history for a longer view.
What is the TECH put/call open interest ratio?
The Bio-Techne put/call open interest ratio was 0.06 as of Nov 4, 2026. Four weeks earlier it was 0.05.
What is Bio-Techne Corp?
Based in Minnesota, Bio-Techne is a life sciences manufacturer supplying consumables and instruments for the pharma, biotech, academic, and diagnostic markets.