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Contract OI history

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Mar 19, 2027 EXPIRATION

MS $135.00 Put

MS270319P00135000

Latest saved OI280Oct 23, 2026
Last change+10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MS $135.00 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. 2801400 2026-10-02: 243 OI2026-10-05: 243 OI2026-10-06: 244 OI2026-10-07: 244 OI2026-10-08: 244 OI2026-10-09: 245 OI2026-10-13: 245 OI2026-10-14: 245 OI2026-10-15: 257 OI2026-10-16: 257 OI2026-10-21: 270 OI2026-10-23: 280 OI Oct 02, 2026Oct 23, 2026

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

MS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing280+10
Oct 21, 2026270+13
Oct 16, 20262570
Oct 15, 2026257+12
Oct 14, 20262450
Oct 13, 20262450
Oct 09, 2026245+1
Oct 08, 20262440
Oct 07, 20262440
Oct 06, 2026244+1
Oct 05, 20262430
Oct 02, 2026243No prior observation