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Contract OI history

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Nov 20, 2026 EXPIRATION

PEN $310.00 Put

PEN261120P00310000

Latest saved OI277Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PEN $310.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2771380 2026-10-02: 204 OI2026-10-05: 204 OI2026-10-06: 204 OI2026-10-07: 204 OI2026-10-08: 204 OI2026-10-09: 270 OI2026-10-13: 273 OI2026-10-14: 273 OI2026-10-15: 274 OI2026-10-16: 276 OI2026-10-21: 276 OI2026-10-23: 277 OI Oct 02, 2026Oct 23, 2026

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

PEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing277+1
Oct 21, 20262760
Oct 16, 2026276+2
Oct 15, 2026274+1
Oct 14, 20262730
Oct 13, 2026273+3
Oct 09, 2026270+66
Oct 08, 20262040
Oct 07, 20262040
Oct 06, 20262040
Oct 05, 20262040
Oct 02, 2026204No prior observation