MDB Options Chain Analysis

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

Spot $358.26 at that close. Nothing on this page comes from the session in progress.

Put/Call (OI)

0.62

127k P / 205k C

Put/Call (Volume)

0.53

12k P / 22k C that session

30d ATM IV

54%

annualized implied move

Call wall

$400

11k contracts

Put wall

$300

7k contracts

Tail hedging

0.7×

deep-OTM puts vs calls

What the positioning says

●Bullish positioning: only 0.62 puts per call outstanding.
●Call wall at $400 (11k contracts), 12% above spot — the upside strike the crowd is already parked on; often acts as near-term resistance.
●Put wall at $300 (7k contracts), 16% 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	9k	7k	0.77	6k
2026-10-16	12k	11k	0.90	3k
2026-10-23	5k	3k	0.61	897
2026-10-30	3k	4k	1.32	633
2026-11-06	2k	2k	0.99	638
2026-11-13	3	32	10.67	44
2026-11-20	13k	11k	0.86	4k
2026-12-18	15k	20k	1.32	2k
2027-01-15	20k	19k	0.95	532
2027-02-19	2k	2k	1.07	127
2027-03-19	7k	5k	0.69	815
2027-04-16	3k	861	0.31	75
2027-05-21	2k	1k	0.58	63
2027-06-17	10k	3k	0.31	300
2027-09-17	2k	219	0.09	193
2027-12-17	11k	4k	0.39	152
2028-01-21	11k	5k	0.48	471
2028-03-17	14k	1k	0.08	2k
2028-06-16	12k	2k	0.19	108
2028-12-15	10k	3k	0.30	56
2029-01-19	3k	1k	0.35	87

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.