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Contract OI history

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Dec 18, 2026 EXPIRATION

EMR $145.00 Put

EMR261218P00145000

Latest saved OI1,026Oct 23, 2026
Last change+13vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
EMR $145.00 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. 1,0265130 2026-10-02: 242 OI2026-10-05: 244 OI2026-10-06: 272 OI2026-10-07: 273 OI2026-10-08: 274 OI2026-10-09: 274 OI2026-10-13: 275 OI2026-10-14: 275 OI2026-10-15: 276 OI2026-10-16: 280 OI2026-10-21: 1,013 OI2026-10-23: 1,026 OI Oct 02, 2026Oct 23, 2026

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

EMR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,026+13
Oct 21, 20261,013+733
Oct 16, 2026280+4
Oct 15, 2026276+1
Oct 14, 20262750
Oct 13, 2026275+1
Oct 09, 20262740
Oct 08, 2026274+1
Oct 07, 2026273+1
Oct 06, 2026272+28
Oct 05, 2026244+2
Oct 02, 2026242No prior observation