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Contract OI history

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Nov 20, 2026 EXPIRATION

TK $17.50 Call

TK261120C00017500

Latest saved OI106Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TK $17.50 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 106530 2026-10-02: 8 OI2026-10-05: 58 OI2026-10-06: 58 OI2026-10-07: 58 OI2026-10-08: 53 OI2026-10-09: 40 OI2026-10-13: 45 OI2026-10-14: 45 OI2026-10-16: 36 OI2026-10-20: 106 OI2026-10-23: 106 OI Oct 02, 2026Oct 23, 2026

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

TK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20261060
Oct 20, 2026Viewing106+70
Oct 16, 202636-9
Oct 14, 2026450
Oct 13, 202645+5
Oct 09, 202640-13
Oct 08, 202653-5
Oct 07, 2026580
Oct 06, 2026580
Oct 05, 202658+50
Oct 02, 20268No prior observation