As of previous close (2026-10-02) · OPRA historical data
Spot $73.92 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
0.69
507k P / 731k C
Put/Call (Volume)
0.50
80k P / 158k C that session
30d ATM IV
68%
annualized implied move
Call wall
$80
56k contracts
Put wall
$60
62k contracts
Tail hedging
0.9×
deep-OTM puts vs calls
All expiries combined. Amber lines mark the call and put walls; the dashed line is spot.
At-the-money implied volatility per expiry.
IV by strike — expiry 2026-10-30. A steep left side = expensive downside protection.
Daily ATM IV (~30 DTE bucket) collected since March 2026. Rising IV into an event = the market bracing; collapsing IV after = the crush.
| Expiry | Call OI | Put OI | P/C | Volume that session |
|---|---|---|---|---|
| 2026-10-09 | 27k | 17k | 0.64 | 42k |
| 2026-10-16 | 108k | 75k | 0.69 | 34k |
| 2026-10-23 | 12k | 12k | 0.97 | 4k |
| 2026-10-30 | 12k | 11k | 0.90 | 8k |
| 2026-11-06 | 2k | 4k | 1.99 | 3k |
| 2026-11-13 | 240 | 622 | 2.59 | 862 |
| 2026-11-20 | 12k | 9k | 0.74 | 8k |
| 2026-12-18 | 94k | 81k | 0.87 | 6k |
| 2027-01-15 | 159k | 125k | 0.79 | 8k |
| 2027-03-19 | 42k | 29k | 0.68 | 3k |
| 2027-04-16 | 4k | 6k | 1.45 | 196 |
| 2027-06-17 | 30k | 17k | 0.58 | 4k |
| 2028-01-21 | 143k | 82k | 0.57 | 2k |
| 2028-06-16 | 3k | 3k | 1.19 | 400 |
| 2028-12-15 | 15k | 9k | 0.61 | 1k |
| 2029-01-19 | 2k | 785 | 0.39 | 193 |
Source: Cboe end-of-session option chains, summarized after each US market close and published from the following trading day — OPRA historical data. Under the OPRA plan options data becomes historical, and freely publishable, at the opening of the next trading session; data from the session in progress is never displayed or served here. Open interest is exchange-reported once a day. Research, not investment advice.