Contract OI history
Back to DRTSJan 21, 2028 EXPIRATION
DRTS $20.00 Call
DRTS280121C00020000
Latest saved OI497Oct 21, 2026
Last change+61vs previous saved observation
Saved market days6Oct 09, 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 | 497 | +61 |
| Oct 16, 2026 | 436 | 0 |
| Oct 15, 2026 | 436 | 0 |
| Oct 14, 2026 | 436 | 0 |
| Oct 13, 2026 | 436 | +1 |
| Oct 09, 2026 | 435 | No prior observation |