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Contract OI history

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Nov 20, 2026 EXPIRATION

MKSI $200.00 Put

MKSI261120P00200000

Latest saved OI146Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MKSI $200.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 146730 2026-10-09: 8 OI2026-10-13: 8 OI2026-10-14: 9 OI2026-10-15: 9 OI2026-10-16: 9 OI2026-10-21: 146 OI2026-10-23: 146 OI Oct 09, 2026Oct 23, 2026

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

MKSI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261460
Oct 21, 2026Viewing146+137
Oct 16, 202690
Oct 15, 202690
Oct 14, 20269+1
Oct 13, 202680
Oct 09, 20268No prior observation