As of previous close (2026-09-02) · OPRA historical data
Spot $40.23 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
0.79
37k P / 48k C
Put/Call (Volume)
0.40
900 P / 2k C that session
30d ATM IV
31%
annualized implied move
Call wall
$45
9k contracts
Put wall
$30
4k contracts
Tail hedging
2.3×
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 2026-09-18. A steep left side = expensive downside protection.
| Expiry | Call OI | Put OI | P/C | Volume that session |
|---|---|---|---|---|
| 2026-09-18 | 7k | 5k | 0.73 | 1k |
| 2026-10-16 | 9k | 6k | 0.69 | 235 |
| 2027-01-15 | 25k | 19k | 0.78 | 1k |
| 2027-04-16 | 1k | 90 | 0.07 | 89 |
| 2028-01-21 | 5k | 7k | 1.25 | 380 |
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.