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Contract OI history

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Sep 17, 2027 EXPIRATION

CSGP $30.00 Put

CSGP270917P00030000

Latest saved OI50Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSGP $30.00 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. 50250 2026-10-09: 11 OI2026-10-13: 47 OI2026-10-14: 47 OI2026-10-15: 47 OI2026-10-16: 47 OI2026-10-21: 50 OI2026-10-23: 50 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, 2026Viewing500
Oct 21, 202650+3
Oct 16, 2026470
Oct 15, 2026470
Oct 14, 2026470
Oct 13, 202647+36
Oct 09, 202611No prior observation