MCO Options Chain Analysis

As of previous close (2026-10-02) · OPRA historical data

Spot $441.18 at that close. Nothing on this page comes from the session in progress.

Put/Call (OI)

1.05

6k P / 6k C

Put/Call (Volume)

0.98

270 P / 276 C that session

30d ATM IV

24%

annualized implied move

Call wall

$480

1k contracts

Put wall

$440

1k contracts

Tail hedging

0.2×

deep-OTM puts vs calls

What the positioning says

●Call wall at $480 (1k contracts), 9% above spot — the upside strike the crowd is already parked on; often acts as near-term resistance.
●Put wall at $440 (1k contracts), 0% below spot — the hedge floor; often acts as support.
●Deep-OTM call OI is 5.1× 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.

30-day implied volatility history

Daily ATM IV (~30 DTE bucket) collected since March 2026. Rising IV into an event = the market bracing; collapsing IV after = the crush.

Open interest by expiry

Expiry	Call OI	Put OI	P/C	Volume that session
2026-10-16	3k	3k	0.97	72
2026-11-20	1k	2k	1.36	99
2027-01-15	784	775	0.99	300
2027-02-19	794	384	0.48	12
2027-05-21	44	403	9.16	63

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.