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Contract OI history

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Feb 19, 2027 EXPIRATION

MTSI $280.00 Put

MTSI270219P00280000

Latest saved OI212Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MTSI $280.00 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. 2121060 2026-10-09: 143 OI2026-10-13: 149 OI2026-10-14: 149 OI2026-10-15: 212 OI2026-10-16: 212 OI2026-10-21: 212 OI2026-10-23: 212 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, 2026Viewing2120
Oct 21, 20262120
Oct 16, 20262120
Oct 15, 2026212+63
Oct 14, 20261490
Oct 13, 2026149+6
Oct 09, 2026143No prior observation