GM Options Chain Analysis

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

Spot $78.27 at that close. Nothing on this page comes from the session in progress.

Put/Call (OI)

0.67

118k P / 177k C

Put/Call (Volume)

0.60

5k P / 8k C that session

30d ATM IV

42%

annualized implied move

Call wall

$100

30k contracts

Put wall

$60

10k contracts

Tail hedging

0.6×

deep-OTM puts vs calls

What the positioning says

●Bullish positioning: only 0.67 puts per call outstanding.
●Call wall at $100 (30k contracts), 28% above spot — the upside strike the crowd is already parked on; often acts as near-term resistance.
●Put wall at $60 (10k contracts), 23% below spot — the hedge floor; often acts as support.

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 2026-10-30. 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
2026-10-09	3k	2k	0.90	2k
2026-10-16	17k	11k	0.64	1k
2026-10-23	3k	2k	0.60	475
2026-10-30	1k	2k	1.34	182
2026-11-06	160	225	1.41	39
2026-11-13	51	35	0.69	18
2026-11-20	9k	2k	0.22	819
2026-12-18	37k	32k	0.87	2k
2027-01-15	45k	39k	0.86	487
2027-03-19	4k	3k	0.64	89
2027-06-17	30k	6k	0.21	192
2027-09-17	629	595	0.95	74
2028-01-21	15k	13k	0.88	2k
2029-01-19	1k	1k	0.72	102

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.