NiSource (NI) Options Chain

NYSE: NIUtilitiesPower GenerationUSD

40.76+0.23 (+0.57%)

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

Expiration date

Expiration: Jan 15, 2027
Days to expiration: 96
Share price: $40.76
Put/call ratio (OI): 1.12
Put/call ratio (volume): 1.56
ATM implied volatility: 25.0%
Expected move: ±$5.23
Open interest (C / P): 508 / 569

NI options summary

The NI options chain for the January 15, 2027 expiration lists 8 call and 7 put contracts, with 96 days until expiration. Open interest stands at 508 calls and 569 puts, a put/call ratio of 1.12, which is fairly balanced between calls and puts. At-the-money implied volatility near the $40.00 strike is 25.0%, which implies the market expects a move of about ±$5.23 (12.8%) in NiSource stock by expiration.

The most open interest sits at the $45.00 call (249 contracts) and the $45.00 put (294 contracts).

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

NI options chain · January 15, 2027

NI 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
0	10	—	17.83	0.00	0.00	25.00	0.05	0.40	0.10	59.3%	1	5
0	1	—	12.10	0.00	0.00	30.00	0.00	1.75	0.40	59.2%	1	20
10	1	38.3%	6.10	5.20	6.70	35.00	0.05	0.80	0.55	35.8%	43	57
77	8	24.1%	2.11	2.00	2.40	40.00	1.05	1.80	2.08	26.0%	1	192
NI $40.76
249	8	20.9%	0.35	0.25	0.45	45.00	4.00	5.60	4.00	34.3%	5	294
102	4	27.1%	0.01	0.00	0.20	50.00	8.00	10.10	6.30	41.3%	2	1
65	1	28.3%	0.05	0.00	0.05	55.00	—	—	—	—	—	—
5	1	53.0%	0.39	0.00	0.95	60.00	—	—	—	—	—	—
—	—	—	—	—	—	70.00	27.40	31.20	23.08	98.7%	—	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 NI put/call ratio?

For the January 15, 2027 expiration, the NI put/call ratio based on open interest is 1.12 (569 puts vs 508 calls), and 1.56 based on today's volume. A ratio above 1 means more puts than calls.

What is NI's implied volatility?

At-the-money implied volatility for NI options expiring January 15, 2027 is about 25.0%, an annualized estimate of how much the market expects NiSource stock to move.

How many NI option expiration dates are there?

NI has 4 listed expiration dates, from Oct 16, 2026 to Apr 16, 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.