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Contract OI history

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Mar 19, 2027 EXPIRATION

CSGP $30.00 Put

CSGP270319P00030000

Latest saved OI207Oct 23, 2026
Last change-9vs 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. 2211100 2026-10-09: 209 OI2026-10-13: 219 OI2026-10-14: 219 OI2026-10-15: 221 OI2026-10-16: 215 OI2026-10-21: 216 OI2026-10-23: 207 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, 2026Viewing207-9
Oct 21, 2026216+1
Oct 16, 2026215-6
Oct 15, 2026221+2
Oct 14, 20262190
Oct 13, 2026219+10
Oct 09, 2026209No prior observation