As of previous close (2026-10-14) · OPRA historical data
Spot $23.06 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
0.60
437k P / 724k C
Put/Call (Volume)
0.29
14k P / 49k C that session
30d ATM IV
31%
annualized implied move
Call wall
$27
95k contracts
Put wall
$20
63k contracts
Tail hedging
0.3×
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 2026-11-13. 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 |
|---|---|---|---|---|
| 2026-10-16 | 130k | 77k | 0.59 | 16k |
| 2026-10-23 | 28k | 14k | 0.51 | 11k |
| 2026-10-30 | 18k | 6k | 0.36 | 4k |
| 2026-11-06 | 4k | 3k | 0.71 | 717 |
| 2026-11-13 | 2k | 1k | 0.52 | 425 |
| 2026-11-20 | 55k | 32k | 0.58 | 3k |
| 2026-11-27 | 3k | 3k | 1.21 | 2k |
| 2026-12-18 | 95k | 61k | 0.64 | 2k |
| 2027-01-15 | 193k | 104k | 0.54 | 21k |
| 2027-03-19 | 24k | 29k | 1.21 | 638 |
| 2027-04-16 | 9k | 4k | 0.45 | 757 |
| 2027-06-17 | 42k | 40k | 0.97 | 477 |
| 2027-09-17 | 4k | 6k | 1.37 | 350 |
| 2027-10-15 | 4k | 3k | 0.65 | 30 |
| 2028-01-21 | 80k | 42k | 0.52 | 337 |
| 2028-04-21 | 13k | 10k | 0.79 | 28 |
| 2029-01-19 | 22k | 3k | 0.12 | 782 |
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.