NI · Nisource Inc.

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$45.74 -0.07 (-0.15%)

Market Cap

$21.96B

479.44M

Options Chain

15-min delayed Underlying $45.74 · today Options Calculator

Positioning

Aug 21, 2026 · 24 days to expiry · 22 contracts

Put / call OI

0.58

Call-heavy positioning

Open interest

6,552

contracts outstanding

Volume

traded today

Max pain

$45.00

$0.74 below spot

ATM implied vol

29.9%

market's expected move

Open interest by strike

Calls Puts

22.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 24d Sep 18 52d Oct 16 80d Nov 20 115d Jan 15 171d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	216.2%	0.937	—		—	—	—	—	0
Call · $22.5 In the money Last — Breakeven — Implied vol 216.2% Delta 0.937 ≈94% ITM Gamma 0.005 Theta -0.063 Vega 0.014 Open interest 0 Model this call Put · $22.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	189%	0.927	—		—	—	—	—	0
Call · $25 In the money Last — Breakeven — Implied vol 189% Delta 0.927 ≈93% ITM Gamma 0.006 Theta -0.061 Vega 0.015 Open interest 0 Model this call Put · $25 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	149.6%	0.896	—		—	—	—	—	0
Call · $30 In the money Last — Breakeven — Implied vol 149.6% Delta 0.896 ≈90% ITM Gamma 0.011 Theta -0.065 Vega 0.024 Open interest 0 Model this call Put · $30 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
4	1	91.9%	0.885	$12.46		$0.09	-0.052	64.6%	24	69
Call · $35 In the money Last $12.46 Breakeven $47.46 Implied vol 91.9% Delta 0.885 ≈89% ITM Gamma 0.018 Theta -0.043 Vega 0.027 Open interest 4 Model this call Put · $35 Last $0.09 Breakeven $34.91 Implied vol 64.6% Delta -0.052 ≈5% ITM Gamma 0.014 Theta -0.017 Vega 0.01 Open interest 69 Model this put
67	14	67.4%	0.784	$6.35		$0.23	-0.079	34.4%	1	236
Call · $40 In the money Last $6.35 Breakeven $46.35 Implied vol 67.4% Delta 0.784 ≈78% ITM Gamma 0.038 Theta -0.048 Vega 0.038 Open interest 67 Model this call Put · $40 Last $0.23 Breakeven $39.77 Implied vol 34.4% Delta -0.079 ≈8% ITM Gamma 0.037 Theta -0.012 Vega 0.019 Open interest 236 Model this put
180	3	40.2%	0.529	$1.92		$0.90	-0.47	19.7%	2	2k
Call · $45 In the money Last $1.92 Breakeven $46.92 Implied vol 40.2% Delta 0.529 ≈53% ITM Gamma 0.087 Theta -0.039 Vega 0.046 Open interest 180 Model this call Put · $45 Last $0.90 Breakeven $44.10 Implied vol 19.7% Delta -0.47 ≈47% ITM Gamma 0.178 Theta -0.019 Vega 0.046 Open interest 2k Model this put
Underlying $45.74
3.8k	3	30.9%	0.104	$0.15		$3.52	—	—	14	75
Call · $50 Last $0.15 Breakeven $50.15 Implied vol 30.9% Delta 0.104 ≈10% ITM Gamma 0.051 Theta -0.013 Vega 0.022 Open interest 3.8k Model this call Put · $50 In the money Last $3.52 Breakeven $46.48 Implied vol — Delta — Gamma — Theta — Vega — Open interest 75 Model this put
30	2	62.7%	0.124	$0.16		—	—	—	—	0
Call · $55 Last $0.16 Breakeven $55.16 Implied vol 62.7% Delta 0.124 ≈12% ITM Gamma 0.028 Theta -0.031 Vega 0.022 Open interest 30 Model this call Put · $55 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
12	2	—	—	$0.03		$14.91	—	—	2	2
Call · $60 Last $0.03 Breakeven $60.03 Implied vol — Delta — Gamma — Theta — Vega — Open interest 12 Model this call Put · $60 In the money Last $14.91 Breakeven $45.09 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $65 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $65 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $70 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $70 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1111711 CUSIP 65473P105 13F (30d) 266 filings 239 filers Visit website Investor relations