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Contract OI history

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Apr 16, 2027 EXPIRATION

PTC $160.00 Put

PTC270416P00160000

Latest saved OI2,549Oct 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 $160.00 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. 2,5491,2740 2026-10-09: 106 OI2026-10-13: 106 OI2026-10-14: 106 OI2026-10-15: 2,547 OI2026-10-16: 2,547 OI2026-10-21: 2,549 OI2026-10-23: 2,549 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, 2026Viewing2,5490
Oct 21, 20262,549+2
Oct 16, 20262,5470
Oct 15, 20262,547+2,441
Oct 14, 20261060
Oct 13, 20261060
Oct 09, 2026106No prior observation