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Contract OI history

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Apr 16, 2027 EXPIRATION

CSGP $22.50 Put

CSGP270416P00022500

Latest saved OI11Oct 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
CSGP $22.50 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. 1150 2026-10-09: 3 OI2026-10-13: 3 OI2026-10-14: 5 OI2026-10-15: 5 OI2026-10-16: 5 OI2026-10-21: 10 OI2026-10-23: 11 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, 2026Viewing11+1
Oct 21, 202610+5
Oct 16, 202650
Oct 15, 202650
Oct 14, 20265+2
Oct 13, 202630
Oct 09, 20263No prior observation