Contract OI history
Back to HDBApr 16, 2027 EXPIRATION
HDB $20.00 Call
HDB270416C00020000
Latest saved OI593Oct 21, 2026
Last change-7vs previous saved observation
Saved market days10Oct 02, 2026 onwards
All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.
| Market date | Open interest | Change vs prior saved day |
|---|---|---|
| Oct 21, 2026Viewing | 593 | -7 |
| Oct 16, 2026 | 600 | -101 |
| Oct 14, 2026 | 701 | 0 |
| Oct 13, 2026 | 701 | +4 |
| Oct 09, 2026 | 697 | +16 |
| Oct 08, 2026 | 681 | 0 |
| Oct 07, 2026 | 681 | +6 |
| Oct 06, 2026 | 675 | +5 |
| Oct 05, 2026 | 670 | 0 |
| Oct 02, 2026 | 670 | No prior observation |