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Contract OI history

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Feb 19, 2027 EXPIRATION

PSX $270.00 Put

PSX270219P00270000

Latest saved OI274Oct 23, 2026
Last change+16vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PSX $270.00 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. 2741370 2026-10-02: 9 OI2026-10-05: 9 OI2026-10-06: 247 OI2026-10-07: 246 OI2026-10-08: 246 OI2026-10-09: 255 OI2026-10-13: 257 OI2026-10-14: 257 OI2026-10-15: 257 OI2026-10-16: 257 OI2026-10-21: 258 OI2026-10-23: 274 OI Oct 02, 2026Oct 23, 2026

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

PSX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing274+16
Oct 21, 2026258+1
Oct 16, 20262570
Oct 15, 20262570
Oct 14, 20262570
Oct 13, 2026257+2
Oct 09, 2026255+9
Oct 08, 20262460
Oct 07, 2026246-1
Oct 06, 2026247+238
Oct 05, 202690
Oct 02, 20269No prior observation