Contract OI history

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Nov 20, 2026 EXPIRATION

PTC $195.00 Put

PTC261120P00195000

Latest saved OI70Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PTC $195.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 153760 2026-10-09: 153 OI2026-10-13: 144 OI2026-10-14: 144 OI2026-10-15: 144 OI2026-10-16: 119 OI2026-10-21: 70 OI2026-10-23: 70 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

PTC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing700
Oct 21, 202670-49
Oct 16, 2026119-25
Oct 15, 20261440
Oct 14, 20261440
Oct 13, 2026144-9
Oct 09, 2026153No prior observation