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Contract OI history

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Nov 20, 2026 EXPIRATION

SRTA $5.00 Put

SRTA261120P00005000

Latest saved OI267Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
SRTA $5.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 2671330 2026-10-08: 240 OI2026-10-09: 250 OI2026-10-13: 264 OI2026-10-14: 265 OI2026-10-16: 267 OI2026-10-20: 267 OI2026-10-23: 267 OI Oct 08, 2026Oct 23, 2026

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

SRTA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2670
Oct 20, 20262670
Oct 16, 2026267+2
Oct 14, 2026265+1
Oct 13, 2026264+14
Oct 09, 2026250+10
Oct 08, 2026240No prior observation