As of previous close (2026-10-01) · OPRA historical data
Spot $185.59 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
0.78
49k P / 63k C
Put/Call (Volume)
0.54
1k P / 3k C that session
30d ATM IV
84%
annualized implied move
Call wall
$230
7k contracts
Put wall
$40
10k contracts
Tail hedging
2.0×
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.
| Expiry | Call OI | Put OI | P/C | Volume that session |
|---|---|---|---|---|
| 2026-10-02 | 289 | 375 | 1.30 | 938 |
| 2026-10-09 | 189 | 630 | 3.33 | 940 |
| 2026-10-16 | 21k | 6k | 0.31 | 331 |
| 2026-10-23 | 121 | 115 | 0.95 | 54 |
| 2026-10-30 | 16 | 86 | 5.38 | 83 |
| 2026-11-06 | 39 | 81 | 2.08 | 21 |
| 2026-11-13 | 0 | 0 | — | 4 |
| 2026-11-20 | 11k | 2k | 0.21 | 224 |
| 2026-12-18 | 9k | 2k | 0.27 | 111 |
| 2027-01-15 | 14k | 13k | 0.94 | 288 |
| 2027-03-19 | 2k | 527 | 0.31 | 1k |
| 2027-12-17 | 1k | 2k | 1.18 | 8 |
| 2028-01-21 | 4k | 22k | 5.23 | 12 |
| 2028-12-15 | 584 | 93 | 0.16 | 8 |
| 2029-01-19 | 24 | 10 | 0.42 | 0 |
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.