Delayed CBOE data, snapshot 2026-08-17. Spot $190.46.
Put/Call (OI)
0.80
431k P / 540k C
Put/Call (Volume)
1.33
30k P / 23k C today
30d ATM IV
49%
annualized implied move
Call wall
$200
51k contracts
Put wall
$165
59k 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 2026-09-18. 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 today |
|---|---|---|---|---|
| 2026-08-21 | 130k | 68k | 0.52 | 27k |
| 2026-08-28 | 12k | 14k | 1.10 | 5k |
| 2026-09-04 | 4k | 3k | 0.68 | 2k |
| 2026-09-11 | 3k | 3k | 0.74 | 544 |
| 2026-09-18 | 132k | 120k | 0.91 | 10k |
| 2026-09-25 | 656 | 956 | 1.46 | 247 |
| 2026-10-02 | 114 | 36 | 0.32 | 292 |
| 2026-10-16 | 15k | 16k | 1.07 | 2k |
| 2026-11-20 | 19k | 14k | 0.75 | 455 |
| 2026-12-18 | 48k | 30k | 0.62 | 1k |
| 2027-01-15 | 79k | 71k | 0.90 | 2k |
| 2027-02-19 | 1k | 2k | 1.81 | 571 |
| 2027-03-19 | 12k | 14k | 1.12 | 189 |
| 2027-06-17 | 32k | 27k | 0.86 | 354 |
| 2027-09-17 | 5k | 5k | 1.07 | 168 |
| 2027-12-17 | 12k | 13k | 1.04 | 134 |
| 2028-01-21 | 32k | 27k | 0.83 | 677 |
| 2028-12-15 | 1k | 2k | 2.24 | 179 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.