MBIA (MBI) Options Chain

NYSE: MBIFinanceProperty-Casualty InsurersUSD

4.52-0.06 (-1.31%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $4.52
Put/call ratio (OI): 0.22
Put/call ratio (volume): 2.37
ATM implied volatility: 74.2%
Expected move: ±$1.45
Open interest (C / P): 5.26K / 1.18K

MBI options summary

The MBI options chain for the December 18, 2026 expiration lists 8 call and 8 put contracts, with 68 days until expiration. Open interest stands at 5,261 calls and 1,183 puts, a put/call ratio of 0.22, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $5.00 strike is 74.2%, which implies the market expects a move of about ±$1.45 (32.0%) in MBIA stock by expiration.

The most open interest sits at the $7.00 call (3.93K contracts) and the $4.00 put (937 contracts).

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

MBI options chain · December 18, 2026

MBI 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
—	—	—	—	—	—	4.00	0.00	0.75	0.24	81.6%	800	937
MBI $4.52
961	100	74.2%	0.16	0.00	0.40	5.00	0.00	0.00	0.68	—	1	0
101	100	103.9%	0.12	0.00	0.75	6.00	1.10	1.80	1.60	96.3%	1	70
3,930	10	86.3%	0.11	0.00	0.25	7.00	2.00	2.90	2.40	134.2%	95	174
16	1	142.6%	0.50	0.00	0.70	8.00	2.80	4.00	3.45	167.4%	4	1
157	150	161.9%	0.10	0.00	0.75	9.00	3.80	5.00	4.45	183.4%	—	1
85	16	175.0%	0.18	0.00	0.75	10.00	4.80	6.00	5.40	197.1%	6	0
10	5	196.9%	0.37	0.00	0.75	12.00	—	—	—	—	—	—
1	—	221.5%	0.79	0.00	0.75	15.00	9.70	11.20	10.45	273.8%	—	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 MBI put/call ratio?

For the December 18, 2026 expiration, the MBI put/call ratio based on open interest is 0.22 (1,183 puts vs 5,261 calls), and 2.37 based on today's volume. A ratio above 1 means more puts than calls.

What is MBI's implied volatility?

At-the-money implied volatility for MBI options expiring December 18, 2026 is about 74.2%, an annualized estimate of how much the market expects MBIA stock to move.

How many MBI option expiration dates are there?

MBI has 7 listed expiration dates, from Oct 16, 2026 to Jan 21, 2028.

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.