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Contract OI history

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Jan 21, 2028 EXPIRATION

CHPT $3.00 Put

CHPT280121P00003000

Latest saved OI269Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CHPT $3.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2691340 2026-10-02: 156 OI2026-10-05: 245 OI2026-10-06: 245 OI2026-10-07: 245 OI2026-10-08: 245 OI2026-10-09: 245 OI2026-10-13: 245 OI2026-10-14: 245 OI2026-10-15: 248 OI2026-10-16: 269 OI2026-10-21: 269 OI2026-10-23: 269 OI Oct 02, 2026Oct 23, 2026

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

CHPT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2690
Oct 21, 20262690
Oct 16, 2026269+21
Oct 15, 2026248+3
Oct 14, 20262450
Oct 13, 20262450
Oct 09, 20262450
Oct 08, 20262450
Oct 07, 20262450
Oct 06, 20262450
Oct 05, 2026245+89
Oct 02, 2026156No prior observation