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Contract OI history

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Nov 20, 2026 EXPIRATION

MTSI $280.00 Put

MTSI261120P00280000

Latest saved OI108Oct 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. 112560 2026-10-09: 108 OI2026-10-13: 111 OI2026-10-14: 111 OI2026-10-15: 112 OI2026-10-16: 109 OI2026-10-21: 108 OI2026-10-23: 108 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, 2026Viewing1080
Oct 21, 2026108-1
Oct 16, 2026109-3
Oct 15, 2026112+1
Oct 14, 20261110
Oct 13, 2026111+3
Oct 09, 2026108No prior observation