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Contract OI history

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Jan 15, 2027 EXPIRATION

CHGG $500.00 Put

CHGG270115P00000500

Latest saved OI663Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CHGG $500.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6633310 2026-10-02: 663 OI2026-10-05: 663 OI2026-10-06: 663 OI2026-10-07: 663 OI2026-10-08: 663 OI2026-10-13: 663 OI2026-10-14: 663 OI2026-10-16: 663 OI2026-10-20: 663 OI2026-10-23: 663 OI Oct 02, 2026Oct 23, 2026

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

CHGG contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6630
Oct 20, 20266630
Oct 16, 20266630
Oct 14, 20266630
Oct 13, 20266630
Oct 08, 20266630
Oct 07, 20266630
Oct 06, 20266630
Oct 05, 20266630
Oct 02, 2026663No prior observation