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Contract OI history

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Nov 20, 2026 EXPIRATION

MTSI $230.00 Put

MTSI261120P00230000

Latest saved OI243Oct 23, 2026
Last change+98vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MTSI $230.00 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. 2431210 2026-10-09: 145 OI2026-10-13: 144 OI2026-10-14: 144 OI2026-10-15: 144 OI2026-10-16: 144 OI2026-10-21: 145 OI2026-10-23: 243 OI Oct 09, 2026Oct 23, 2026

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

MTSI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing243+98
Oct 21, 2026145+1
Oct 16, 20261440
Oct 15, 20261440
Oct 14, 20261440
Oct 13, 2026144-1
Oct 09, 2026145No prior observation