BACPNOV 20Open interest change
Open interest in BAC puts expiring Nov 20 rose 30,345 at the Oct 8 settlement
95,844 to 126,189 contracts between the Oct 7 and Oct 8 settlements, 32% of the prior figure.
BAC · PUTS · NOV 20Settled
BAC puts expiring Nov 20 traded 7.7x the calls on that date
As of , published from Oct 8, 2026, 16:11 ET. Source: Schwab options chain.
64,300 put and 8,323 call contracts by 15:56 ET on Oct 8, 2026. Est. premium $16.6M puts, $1.0M calls. Tracked: up to 40 strikes around the money across 21 expirations.
Evidence
| Measure | Value |
|---|---|
| Call volume (contracts) | 8,323 |
| Put volume (contracts) | 64,300 |
| Call open interest, prior settlement | 90,602 |
| Put open interest, prior settlement | 95,844 |
| Call premium, est. (USD) | $1.0M |
| Put premium, est. (USD) | $16.6M |
| Put/call volume ratio | 7.7x |
| Days to expiry | 43 |
Why it fired
- Rule
- put/call volume >= 2.5 (absolute: baseline n 0 < 5); put volume >= 2000; call volume >= 500; expiry >= 1% of ticker volume
- Values that cleared it
- Put volume (contracts): 64,300; Ratio: 7.73
- Contracts traded behind each figure
- Calls: 15; Puts: 17
- Baseline
- median put/call volume ratio, contracts 1 to 3 months out: not set yet
- Baseline window
- last 20 sessions
- Baseline n
- 0, so the fixed threshold applied
- Claim level
- 1, arithmetic on reported figures
Last-trade position, raw counts
Count of contracts whose single last trade sat near the ask or bid. Not the side of the session's volume. It is not used in the headline.
| Side of chain | Near ask | Near bid | Other |
|---|---|---|---|
| Calls | 1 | 3 | 11 |
| Puts | 2 | 1 | 14 |
What happened next
- Next settlement: Open interest in BAC puts expiring Nov 20 rose 30,345 at the Oct 8 settlement, to 126,189.
- Expiry, Nov 20, 2026: Pending expiry.
More BAC snapshots, Oct 8, 2026
All BAC snapshots on the hub- BACPSEP 17 '27Open interest change
Open interest in BAC puts expiring Sep 17, 2027 rose 6,075 at the Oct 8 settlement
11,219 to 17,294 contracts between the Oct 7 and Oct 8 settlements, 54% of the prior figure.
- BACPJAN 21 '28Put/call by expiry
BAC puts expiring Jan 21, 2028 traded 7.9x the calls on that date
6,134 put and 781 call contracts by 15:56 ET on Oct 8, 2026. Est. premium $3.1M puts, $557K calls. Tracked: up to 40 strikes around the money across 21 expirations.
- BACC53OCT 9Volume vs open interest
BAC 53 calls expiring Oct 9 traded 13.3x their open interest
BAC calls expiring that date in the strikes we track traded 1.0x their open interest, by 15:56 ET on Oct 8, 2026. Tracked: up to 40 strikes around the money across 21 expirations.
- BACNear vs far dates
BAC put/call volume ratio held at 0.47 within 3 weeks, against 3.81 1 to 3 months out
Within 3 weeks: 42,515 put and 91,100 call contracts. 1 to 3 months out: 71,580 put and 18,779 call contracts. By 15:56 ET on Oct 8, 2026. Tracked: up to 40 strikes around the money across 21 expirations.