Contract OI history
Back to BACDec 18, 2026 EXPIRATION
BAC $52.50 Put
BAC261218P00052500
Latest saved OI13,578Oct 23, 2026
Last change+296vs 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 | 13,578 | +296 |
| Oct 21, 2026 | 13,282 | +247 |
| Oct 16, 2026 | 13,035 | +315 |
| Oct 15, 2026 | 12,720 | +238 |
| Oct 14, 2026 | 12,482 | 0 |
| Oct 13, 2026 | 12,482 | +69 |
| Oct 09, 2026 | 12,413 | +290 |
| Oct 08, 2026 | 12,123 | 0 |
| Oct 07, 2026 | 12,123 | +42 |
| Oct 06, 2026 | 12,081 | +3,091 |
| Oct 05, 2026 | 8,990 | +212 |
| Oct 02, 2026 | 8,778 | No prior observation |