TWST Open Interest
Twist Bioscience Corporation (TWST) had 26.0K open option contracts as of Nov 4, 2026: 16.02K calls and 9.98K puts. Open interest was little changed over the past four weeks. The put/call open interest ratio is 0.62, so calls outnumber puts.
Open Interest by Strike
Showing results for TWST, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for TWST, 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 TWST, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for TWST, 2026-11-20(m), calls & puts. View all expiries
Open Interest History
Showing daily totals for TWST, all expirations, calls & puts. View full history
TWST 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 TWST have?
Twist Bioscience had 26.0K open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 25.65K contracts.
Is TWST open interest rising or falling?
Open interest was little changed over the past four weeks. It was 26.25K contracts on Oct 7, 2026. See the TWST open interest history for a longer view.
What is the TWST put/call open interest ratio?
The Twist Bioscience put/call open interest ratio was 0.62 as of Nov 4, 2026. Four weeks earlier it was 0.73.
What is Twist Bioscience Corporation?
Twist Bioscience Corp is a synthetic biology company that has developed a disruptive DNA synthesis platform to industrialize the engineering of biology.