As of previous close (2026-09-18) · OPRA historical data
Spot $27.08 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
0.32
81k P / 256k C
Put/Call (Volume)
0.91
5k P / 5k C that session
30d ATM IV
42%
annualized implied move
Call wall
$40
51k contracts
Put wall
$25
23k contracts
Tail hedging
0.1×
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 2026-10-16. A steep left side = expensive downside protection.
| Expiry | Call OI | Put OI | P/C | Volume that session |
|---|---|---|---|---|
| 2026-09-25 | 4k | 530 | 0.13 | 298 |
| 2026-10-02 | 4k | 350 | 0.08 | 152 |
| 2026-10-09 | 46 | 90 | 1.96 | 271 |
| 2026-10-16 | 43k | 25k | 0.59 | 1k |
| 2026-10-23 | 223 | 20 | 0.09 | 7 |
| 2026-10-30 | 28 | 28 | 1.00 | 13 |
| 2026-11-20 | 118 | 222 | 1.88 | 4k |
| 2026-12-18 | 50k | 8k | 0.15 | 718 |
| 2027-01-15 | 7k | 10k | 1.38 | 634 |
| 2027-03-19 | 461 | 11k | 23.00 | 174 |
| 2028-01-21 | 1k | 923 | 0.62 | 42 |
| 2029-01-19 | 50 | 20 | 0.40 | 44 |
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.