As of previous close (2026-08-28) · OPRA historical data
Spot $17.77 at that close. Nothing on this page comes from the session in progress.
Put/Call (OI)
0.41
218 P / 529 C
Put/Call (Volume)
—
0 P / 0 C that session
30d ATM IV
48%
annualized implied move
Call wall
$20
421 contracts
Put wall
$17.5
75 contracts
Tail hedging
0.0×
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 |
|---|---|---|---|---|
| 2026-11-20 | 59 | 122 | 2.07 | 0 |
| 2027-02-19 | 44 | 55 | 1.25 | 0 |
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.