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Contract OI history

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Dec 18, 2026 EXPIRATION

CTSH $47.50 Put

CTSH261218P00047500

Latest saved OI366Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CTSH $47.50 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. 3751870 2026-10-09: 375 OI2026-10-13: 375 OI2026-10-14: 372 OI2026-10-15: 372 OI2026-10-16: 368 OI2026-10-21: 367 OI2026-10-23: 366 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, 2026Viewing366-1
Oct 21, 2026367-1
Oct 16, 2026368-4
Oct 15, 20263720
Oct 14, 2026372-3
Oct 13, 20263750
Oct 09, 2026375No prior observation