Contract OI history
Back to APHDec 18, 2026 EXPIRATION
APH $77.50 Put
APH261218P00077500
Latest saved OI450Oct 23, 2026
Last change+9vs previous saved observation
Saved market days12Oct 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 23, 2026Viewing | 450 | +9 |
| Oct 21, 2026 | 441 | +12 |
| Oct 16, 2026 | 429 | +11 |
| Oct 15, 2026 | 418 | +11 |
| Oct 14, 2026 | 407 | 0 |
| Oct 13, 2026 | 407 | +55 |
| Oct 09, 2026 | 352 | +63 |
| Oct 08, 2026 | 289 | +19 |
| Oct 07, 2026 | 270 | 0 |
| Oct 06, 2026 | 270 | +3 |
| Oct 05, 2026 | 267 | +6 |
| Oct 02, 2026 | 261 | No prior observation |