Miami International (MIAX) Options Chain

NYSE: MIAXFinanceInvestment Bankers/Brokers/ServiceUSD

30.71+0.01 (+0.03%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Jun 17, 2027
Days to expiration: 249
Share price: $30.71
Put/call ratio (OI): 0.85
Put/call ratio (volume): 1.41
ATM implied volatility: 46.1%
Expected move: ±$11.69
Open interest (C / P): 2.04K / 1.74K

MIAX options summary

The MIAX options chain for the June 17, 2027 expiration lists 8 call and 4 put contracts, with 249 days until expiration. Open interest stands at 2,043 calls and 1,743 puts, a put/call ratio of 0.85, which is fairly balanced between calls and puts. At-the-money implied volatility near the $30.00 strike is 46.1%, which implies the market expects a move of about ±$11.69 (38.1%) in Miami International stock by expiration.

The most open interest sits at the $60.00 call (829 contracts) and the $35.00 put (1.61K contracts).

Summary generated from market data by MetaCap's automated system. Methodology

MIAX options chain · June 17, 2027

MIAX calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
6	5	56.1%	9.11	7.60	9.30	25.00	1.35	2.45	1.90	52.5%	—	7
6	4	52.7%	6.10	4.70	6.50	30.00	0.35	3.60	2.85	39.5%	3	6
MIAX $30.71
7	2	52.4%	3.70	3.20	4.30	35.00	5.60	7.80	4.16	50.1%	1	1,613
90	50	52.5%	4.00	2.00	3.00	40.00	10.00	11.80	8.70	52.6%	100	117
59	7	51.1%	1.30	1.15	1.55	45.00	—	—	—	—	—	—
240	3	58.7%	0.88	0.05	1.55	50.00	—	—	—	—	—	—
806	2	92.7%	3.81	1.50	6.30	55.00	—	—	—	—	—	—
829	1	56.1%	2.94	0.00	1.30	60.00	—	—	—	—	—	—

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the MIAX put/call ratio?

For the June 17, 2027 expiration, the MIAX put/call ratio based on open interest is 0.85 (1,743 puts vs 2,043 calls), and 1.41 based on today's volume. A ratio above 1 means more puts than calls.

What is MIAX's implied volatility?

At-the-money implied volatility for MIAX options expiring June 17, 2027 is about 46.1%, an annualized estimate of how much the market expects Miami International stock to move.

How many MIAX option expiration dates are there?

MIAX has 7 listed expiration dates, from Oct 16, 2026 to Dec 17, 2027.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.