BY Open Interest
Byline Bancorp Inc (BY) had 770 open option contracts as of Nov 4, 2026: 747 calls and 23 puts. Open interest rose 179.0% over the past four weeks. The put/call open interest ratio is 0.03, so calls outnumber puts.
Open Interest by Strike
Showing results for BY, 2026-11-20(m), calls & puts
Open Interest Stats
Showing results for BY, 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 BY, 2026-11-20(m), calls & puts
Open Interest Total by Expiry
Showing results for BY, 2026-11-20(m), calls & puts. View all expiries
BY 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 BY have?
Byline Bancorp had 770 open option contracts as of Nov 4, 2026. Over the past 30 days, open interest averaged 490 contracts.
Is BY open interest rising or falling?
Open interest rose 179.0% over the past four weeks. It was 276 contracts on Oct 7, 2026. See the BY open interest history for a longer view.
What is the BY put/call open interest ratio?
The Byline Bancorp put/call open interest ratio was 0.03 as of Nov 4, 2026. Four weeks earlier it was 0.08.
What is Byline Bancorp Inc?
Byline Bancorp Inc is the holding company for Byline Bank, a full-service commercial bank serving small-and-medium sized businesses, financial sponsors, and consumers.