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Contract OI history

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Dec 17, 2027 EXPIRATION

PTC $195.00 Put

PTC271217P00195000

Latest saved OI201Oct 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. 2011000 2026-10-09: 5 OI2026-10-13: 51 OI2026-10-14: 51 OI2026-10-15: 201 OI2026-10-16: 201 OI2026-10-21: 201 OI2026-10-23: 201 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, 2026Viewing2010
Oct 21, 20262010
Oct 16, 20262010
Oct 15, 2026201+150
Oct 14, 2026510
Oct 13, 202651+46
Oct 09, 20265No prior observation