Delayed CBOE data, snapshot 2026-08-19. Spot $316.13.
Put/Call (OI)
0.55
6k P / 12k C
Put/Call (Volume)
1.30
140 P / 108 C today
30d ATM IV
22%
annualized implied move
Call wall
$330
1k contracts
Put wall
$310
2k contracts
Tail hedging
0.5×
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 | 2k | 2k | 0.69 | 70 |
| 2026-09-18 | 3k | 2k | 0.53 | 134 |
| 2026-11-20 | 974 | 177 | 0.18 | 9 |
| 2026-12-18 | 563 | 2k | 3.00 | 26 |
| 2027-01-15 | 3k | 887 | 0.31 | 6 |
| 2027-02-19 | 85 | 8 | 0.09 | 0 |
| 2027-03-19 | 258 | 192 | 0.74 | 3 |
| 2028-01-21 | 2k | 223 | 0.13 | 0 |
Source: CBOE delayed quotes, refreshed daily after US market close. Open interest is exchange-reported and lags one session. Research, not investment advice.