STE Options Chain Analysis

As of previous close (2026-09-18) · OPRA historical data

Spot $208.04 at that close. Nothing on this page comes from the session in progress.

Put/Call (OI)

1.01

1k P / 1k C

Put/Call (Volume)

47.56

761 P / 16 C that session

30d ATM IV

24%

annualized implied move

Call wall

$270

337 contracts

Put wall

$190

61 contracts

Tail hedging

0.1×

deep-OTM puts vs calls

What the positioning says

●Call wall at $270 (337 contracts), 30% above spot — the upside strike the crowd is already parked on; often acts as near-term resistance.
●Put wall at $190 (61 contracts), 9% below spot — the hedge floor; often acts as support.
●Deep-OTM call OI is 17.4× deep-OTM put OI — speculative upside positioning dominates the tails.
●30-day ATM implied volatility is 24% — calm pricing; option premium is cheap.

Open interest by strike

All expiries combined. Amber lines mark the call and put walls; the dashed line is spot.

IV term structure

At-the-money implied volatility per expiry.

Volatility smile

IV by strike — expiry 2026-10-16. A steep left side = expensive downside protection.

Open interest by expiry

Expiry	Call OI	Put OI	P/C	Volume that session
2026-10-16	27	267	9.89	253
2026-11-20	0	0	—	0
2026-12-18	508	111	0.22	12
2027-03-19	28	23	0.82	12

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.