As of previous close (2026-09-11) · OPRA historical data
Spot $178.35 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
0.87
112k P / 128k C
Put/Call (Volume)
0.96
3k P / 3k C that session
30d ATM IV
50%
annualized implied move
Call wall
$240
9k contracts
Put wall
$165
10k contracts
Tail hedging
0.7×
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 2026-10-09. A steep left side = expensive downside protection.
| Expiry | Call OI | Put OI | P/C | Volume that session |
|---|---|---|---|---|
| 2026-09-18 | 20k | 17k | 0.86 | 1k |
| 2026-09-25 | 2k | 2k | 0.78 | 184 |
| 2026-10-02 | 1k | 2k | 1.63 | 653 |
| 2026-10-09 | 560 | 954 | 1.70 | 604 |
| 2026-10-16 | 6k | 12k | 1.96 | 1k |
| 2026-10-23 | 507 | 79 | 0.16 | 469 |
| 2026-10-30 | 5 | 1 | 0.20 | 6 |
| 2026-11-20 | 15k | 7k | 0.44 | 187 |
| 2026-12-18 | 12k | 10k | 0.82 | 169 |
| 2027-01-15 | 35k | 27k | 0.78 | 113 |
| 2027-02-19 | 1k | 3k | 1.80 | 72 |
| 2027-03-19 | 8k | 8k | 1.10 | 30 |
| 2027-06-17 | 4k | 6k | 1.71 | 12 |
| 2027-09-17 | 854 | 495 | 0.58 | 114 |
| 2028-01-21 | 19k | 13k | 0.68 | 156 |
| 2028-12-15 | 632 | 2k | 2.76 | 100 |
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.