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Contract OI history

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Nov 20, 2026 EXPIRATION

MEI $12.50 Put

MEI261120P00012500

Latest saved OI244Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MEI $12.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2461230 2026-10-02: 246 OI2026-10-05: 226 OI2026-10-06: 226 OI2026-10-07: 226 OI2026-10-08: 226 OI2026-10-09: 226 OI2026-10-13: 226 OI2026-10-14: 228 OI2026-10-16: 228 OI2026-10-20: 244 OI2026-10-23: 244 OI Oct 02, 2026Oct 23, 2026

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

MEI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20262440
Oct 20, 2026Viewing244+16
Oct 16, 20262280
Oct 14, 2026228+2
Oct 13, 20262260
Oct 09, 20262260
Oct 08, 20262260
Oct 07, 20262260
Oct 06, 20262260
Oct 05, 2026226-20
Oct 02, 2026246No prior observation