Mesabi (MSB) Options Chain

NYSE: MSBIndustrialsPrecious MetalsUSD

18.42+0.06 (+0.33%)

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

Expiration date

Expiration: Mar 19, 2027
Days to expiration: 159
Share price: $18.42
Put/call ratio (OI): 2.00
Put/call ratio (volume): 2.83
ATM implied volatility: 55.9%
Expected move: ±$6.79
Open interest (C / P): 100 / 200

MSB options summary

The MSB options chain for the March 19, 2027 expiration lists 6 call and 4 put contracts, with 159 days until expiration. Open interest stands at 100 calls and 200 puts, a put/call ratio of 2.00, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $17.50 strike is 55.9%, which implies the market expects a move of about ±$6.79 (36.9%) in Mesabi stock by expiration.

The most open interest sits at the $35.00 call (50 contracts) and the $17.50 put (90 contracts).

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

MSB options chain · March 19, 2027

MSB 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
—	—	—	—	—	—	12.50	0.00	0.65	0.50	51.5%	40	70
7	—	106.5%	6.10	2.00	6.50	15.00	0.20	3.70	1.20	77.9%	10	33
—	—	—	—	—	—	17.50	1.60	2.20	2.10	55.9%	10	90
MSB $18.42
13	8	64.2%	3.00	0.10	4.90	20.00	1.10	5.70	3.00	50.2%	5	7
3	8	71.1%	1.00	0.00	4.20	22.50	—	—	—	—	—	—
5	1	78.8%	1.05	0.00	3.80	25.00	—	—	—	—	—	—
22	1	87.9%	0.35	0.00	3.00	30.00	—	—	—	—	—	—
50	5	61.5%	0.20	0.00	0.50	35.00	—	—	—	—	—	—

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 MSB put/call ratio?

For the March 19, 2027 expiration, the MSB put/call ratio based on open interest is 2.00 (200 puts vs 100 calls), and 2.83 based on today's volume. A ratio above 1 means more puts than calls.

What is MSB's implied volatility?

At-the-money implied volatility for MSB options expiring March 19, 2027 is about 55.9%, an annualized estimate of how much the market expects Mesabi stock to move.

How many MSB option expiration dates are there?

MSB 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.