As of previous close (2026-10-02) · OPRA historical data
Spot $21.7 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
0.80
1.0M P / 1.3M C
Put/Call (Volume)
0.34
25k P / 73k C that session
30d ATM IV
60%
annualized implied move
Call wall
$25
199k contracts
Put wall
$10
177k contracts
Tail hedging
1.7×
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 2026-10-30. A steep left side = expensive downside protection.
| Expiry | Call OI | Put OI | P/C | Volume that session |
|---|---|---|---|---|
| 2026-10-09 | 15k | 17k | 1.15 | 25k |
| 2026-10-16 | 156k | 108k | 0.69 | 24k |
| 2026-10-23 | 4k | 4k | 0.84 | 2k |
| 2026-10-30 | 14k | 17k | 1.20 | 12k |
| 2026-11-06 | 4k | 2k | 0.52 | 404 |
| 2026-11-13 | 0 | 1 | — | 29 |
| 2026-11-20 | 416k | 75k | 0.18 | 14k |
| 2026-12-18 | 166k | 296k | 1.79 | 7k |
| 2027-01-15 | 219k | 311k | 1.42 | 2k |
| 2027-02-19 | 5k | 5k | 0.93 | 236 |
| 2027-03-19 | 41k | 68k | 1.64 | 6k |
| 2027-04-16 | 738 | 274 | 0.37 | 80 |
| 2027-06-17 | 47k | 23k | 0.49 | 69 |
| 2027-09-17 | 295 | 116 | 0.39 | 25 |
| 2027-12-17 | 84k | 28k | 0.33 | 18 |
| 2028-01-21 | 72k | 41k | 0.57 | 44 |
| 2028-02-18 | 10k | 6k | 0.65 | 103 |
| 2029-01-19 | 273 | 212 | 0.78 | 5 |
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.