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Contract OI history

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Jan 15, 2027 EXPIRATION

CTSH $52.50 Put

CTSH270115P00052500

Latest saved OI252Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CTSH $52.50 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. 2561280 2026-10-09: 224 OI2026-10-13: 256 OI2026-10-14: 256 OI2026-10-15: 254 OI2026-10-16: 254 OI2026-10-21: 254 OI2026-10-23: 252 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, 2026Viewing252-2
Oct 21, 20262540
Oct 16, 20262540
Oct 15, 2026254-2
Oct 14, 20262560
Oct 13, 2026256+32
Oct 09, 2026224No prior observation