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Contract OI history

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Jan 15, 2027 EXPIRATION

CSGP $40.00 Put

CSGP270115P00040000

Latest saved OI217Oct 23, 2026
Last change-4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSGP $40.00 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. 2211100 2026-10-09: 221 OI2026-10-13: 221 OI2026-10-14: 221 OI2026-10-15: 221 OI2026-10-16: 221 OI2026-10-21: 221 OI2026-10-23: 217 OI Oct 09, 2026Oct 23, 2026

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

CSGP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing217-4
Oct 21, 20262210
Oct 16, 20262210
Oct 15, 20262210
Oct 14, 20262210
Oct 13, 20262210
Oct 09, 2026221No prior observation