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Contract OI history

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Nov 20, 2026 EXPIRATION

MTSI $270.00 Put

MTSI261120P00270000

Latest saved OI130Oct 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 $270.00 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. 130650 2026-10-09: 111 OI2026-10-13: 123 OI2026-10-14: 123 OI2026-10-15: 123 OI2026-10-16: 123 OI2026-10-21: 130 OI2026-10-23: 130 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, 2026Viewing1300
Oct 21, 2026130+7
Oct 16, 20261230
Oct 15, 20261230
Oct 14, 20261230
Oct 13, 2026123+12
Oct 09, 2026111No prior observation