NMI (NMIH) Options Chain

NASDAQ: NMIHFinanceProperty-Casualty InsurersUSD

40.01-0.60 (-1.48%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 69
Share price: $40.01
Put/call ratio (OI): 1.81
Put/call ratio (volume): 0.89
ATM implied volatility: 87.1%
Expected move: ±$15.16
Open interest (C / P): 90 / 163

NMIH options summary

The NMIH options chain for the December 18, 2026 expiration lists 6 call and 5 put contracts, with 69 days until expiration. Open interest stands at 90 calls and 163 puts, a put/call ratio of 1.81, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $40.00 strike is 87.1%, which implies the market expects a move of about ±$15.16 (37.9%) in NMI stock by expiration.

The most open interest sits at the $30.00 call (80 contracts) and the $40.00 put (152 contracts).

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

NMIH options chain · December 18, 2026

NMIH 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
1	1	241.4%	21.71	20.90	25.00	22.50	—	—	—	—	—	—
0	14	—	20.03	0.00	0.00	25.00	0.00	4.80	0.69	139.9%	5	5
80	1	159.0%	14.27	13.10	17.50	30.00	0.00	2.10	1.72	71.7%	5	5
3	1	80.1%	10.80	4.00	8.10	35.00	0.00	1.05	0.40	44.2%	3	1
2	1	103.8%	3.11	5.00	9.40	40.00	0.30	4.90	4.50	70.5%	2	152
NMIH $40.01
4	1	41.5%	1.05	0.00	1.20	45.00	3.80	7.00	2.90	54.4%	2	0

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 NMIH put/call ratio?

For the December 18, 2026 expiration, the NMIH put/call ratio based on open interest is 1.81 (163 puts vs 90 calls), and 0.89 based on today's volume. A ratio above 1 means more puts than calls.

What is NMIH's implied volatility?

At-the-money implied volatility for NMIH options expiring December 18, 2026 is about 87.1%, an annualized estimate of how much the market expects NMI stock to move.

How many NMIH option expiration dates are there?

NMIH has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 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.