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Contract OI history

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Jan 21, 2028 EXPIRATION

CTSH $45.00 Put

CTSH280121P00045000

Latest saved OI237Oct 23, 2026
Last change-6vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CTSH $45.00 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. 2431210 2026-10-09: 243 OI2026-10-13: 243 OI2026-10-14: 243 OI2026-10-15: 243 OI2026-10-16: 243 OI2026-10-21: 243 OI2026-10-23: 237 OI Oct 09, 2026Oct 23, 2026

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

CTSH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing237-6
Oct 21, 20262430
Oct 16, 20262430
Oct 15, 20262430
Oct 14, 20262430
Oct 13, 20262430
Oct 09, 2026243No prior observation