SR · Spire Inc · Options Chain

Track SR — free

$81.36 +1.16 (+1.45%) At close · Sep 14

S&P 400 member Russell 2000 member Rebalance outlook locked

Market Cap

$4.74B

59.12M

Options Chain

Underlying $81.36 · today Options Calculator

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Positioning

Sep 18, 2026 · 3 days to expiry · 32 contracts · mixed daily-bar sessions · Jan 23, 2026–Sep 14, 2026; 18 unknown

Put / call OI

0.46

Call-heavy positioning

Open interest

as of Sep 10, 2026

Volume

—

dated and unknown daily-bar sessions

Max pain

$80.00

$1.36 below spot

ATM implied vol

52.4%

market's expected move

Open interest by strike

Calls Puts

100

105

110

115

120

125

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Sep 18 3d Oct 16 31d Dec 18 94d Mar 19 185d

Calls								Puts
OI	Vol	IV	Δ	Bid	Ask	Last	Strike	Last	Bid	Ask	Δ	IV	Vol	OI
—	—	—	—	$29.00	$33.30	—		$0.11	$0.00	$4.80	—	—	1	1
Call · $50 In the money Daily-bar session Unknown Quote as of 2026-09-14 19:55:03.013 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $50 Daily-bar session Aug 6, 2026 Quote as of 2026-09-14 18:32:33.055 UTC Last $0.11 Breakeven $49.89 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 OI effective date Sep 10, 2026 Model this put
—	—	—	—	$24.00	$28.50	—		$0.41	$0.00	$4.80	—	—	1	5
Call · $55 In the money Daily-bar session Unknown Quote as of 2026-09-14 19:55:03.013 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $55 Daily-bar session Feb 13, 2026 Quote as of 2026-09-14 18:32:59.847 UTC Last $0.41 Breakeven $54.59 Implied vol — Delta — Gamma — Theta — Vega — Open interest 5 OI effective date Sep 10, 2026 Model this put
—	—	—	—	$19.00	$23.50	—		—	$0.00	$4.80	—	—	—	—
Call · $60 In the money Daily-bar session Unknown Quote as of 2026-09-14 19:55:03.013 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $60 Daily-bar session Unknown Quote as of 2026-09-14 18:32:59.847 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$14.00	$18.50	—		$1.05	$0.00	$4.80	—	—	1	2
Call · $65 In the money Daily-bar session Unknown Quote as of 2026-09-14 19:55:03.013 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $65 Daily-bar session Jan 23, 2026 Quote as of 2026-09-14 19:55:06.994 UTC Last $1.05 Breakeven $63.95 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 OI effective date Sep 10, 2026 Model this put
—	1	—	—	$9.00	$13.70	$9.05		—	$0.00	$0.80	—	—	—	—
Call · $70 In the money Daily-bar session Jun 17, 2026 Quote as of 2026-09-14 19:55:03.932 UTC Last $9.05 Breakeven $79.05 Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $70 Daily-bar session Unknown Quote as of 2026-09-14 19:22:23.379 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	2	—	—	$4.00	$8.30	$8.50		$1.00	$0.00	$4.80	—	—	1	2
Call · $75 In the money Daily-bar session Sep 4, 2026 Quote as of 2026-09-14 19:55:03.013 UTC Last $8.50 Breakeven $83.50 Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $75 Daily-bar session Aug 3, 2026 Quote as of 2026-09-14 19:55:28.570 UTC Last $1.00 Breakeven $74.00 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 OI effective date Sep 10, 2026 Model this put
16	10	52.4%	0.634	$0.10	$5.00	$4.00		$1.05	$0.00	$4.80	—	—	15	15
Call · $80 In the money Daily-bar session Sep 8, 2026 Quote as of 2026-09-14 19:59:32.990 UTC Last $4.00 Breakeven $84.00 Implied vol 52.4% Delta 0.634 ≈63% ITM Gamma 0.084 Theta -0.215 Vega 0.032 Open interest 16 OI effective date Sep 10, 2026 Model this call Put · $80 Daily-bar session Aug 24, 2026 Quote as of 2026-09-14 19:55:26.329 UTC Last $1.05 Breakeven $78.95 Implied vol — Delta — Gamma — Theta — Vega — Open interest 15 OI effective date Sep 10, 2026 Model this put
Underlying $81.36
16	10	—	—	$0.00	$3.50	$0.30		$6.30	$1.75	$6.00	-0.845	40%	5	1
Call · $85 Daily-bar session Sep 14, 2026 Quote as of 2026-09-14 19:50:07.972 UTC Last $0.30 Breakeven $85.30 Implied vol — Delta — Gamma — Theta — Vega — Open interest 16 OI effective date Sep 10, 2026 Model this call Put · $85 In the money Daily-bar session Jul 30, 2026 Quote as of 2026-09-14 19:55:03.013 UTC Last $6.30 Breakeven $78.70 Implied vol 40% Delta -0.845 ≈84% ITM Gamma 0.07 Theta -0.094 Vega 0.02 Open interest 1 OI effective date Sep 10, 2026 Model this put
5	22	—	—	$0.00	$4.80	$6.45		—	$6.80	$11.00	-0.897	73.6%	—	—
Call · $90 Daily-bar session Mar 30, 2026 Quote as of 2026-09-14 16:30:35.025 UTC Last $6.45 Breakeven $96.45 Implied vol — Delta — Gamma — Theta — Vega — Open interest 5 OI effective date Sep 10, 2026 Model this call Put · $90 In the money Daily-bar session Unknown Quote as of 2026-09-14 19:55:03.013 UTC Last — Breakeven — Implied vol 73.6% Delta -0.897 ≈90% ITM Gamma 0.029 Theta -0.132 Vega 0.015 Open interest — OI effective date — Model this put
12	10	—	—	$0.00	$4.80	$1.85		—	$11.60	$16.00	-0.939	92.5%	—	—
Call · $95 Daily-bar session Aug 26, 2026 Quote as of 2026-09-14 16:30:35.025 UTC Last $1.85 Breakeven $96.85 Implied vol — Delta — Gamma — Theta — Vega — Open interest 12 OI effective date Sep 10, 2026 Model this call Put · $95 In the money Daily-bar session Unknown Quote as of 2026-09-14 19:55:03.013 UTC Last — Breakeven — Implied vol 92.5% Delta -0.939 ≈94% ITM Gamma 0.015 Theta -0.109 Vega 0.01 Open interest — OI effective date — Model this put
8	1	—	—	$0.00	$4.80	$0.05		—	$16.60	$21.00	—	—	—	—
Call · $100 Daily-bar session Jul 28, 2026 Quote as of 2026-09-14 16:30:36.087 UTC Last $0.05 Breakeven $100.05 Implied vol — Delta — Gamma — Theta — Vega — Open interest 8 OI effective date Sep 10, 2026 Model this call Put · $100 In the money Daily-bar session Unknown Quote as of 2026-09-14 19:55:03.013 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$4.80	—		$14.70	$21.60	$26.00	—	—	2	—
Call · $105 Daily-bar session Unknown Quote as of 2026-09-14 16:30:36.087 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $105 In the money Daily-bar session Mar 10, 2026 Quote as of 2026-09-14 19:55:03.013 UTC Last $14.70 Breakeven $90.30 Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$4.80	—		—	$26.80	$31.00	—	—	—	—
Call · $110 Daily-bar session Unknown Quote as of 2026-09-14 16:30:36.087 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $110 In the money Daily-bar session Unknown Quote as of 2026-09-14 19:55:03.013 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$4.80	—		—	$31.60	$36.00	—	—	—	—
Call · $115 Daily-bar session Unknown Quote as of 2026-09-14 16:30:36.087 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $115 In the money Daily-bar session Unknown Quote as of 2026-09-14 19:55:03.013 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$4.80	—		—	$36.60	$41.00	—	—	—	—
Call · $120 Daily-bar session Unknown Quote as of 2026-09-14 16:30:36.087 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $120 In the money Daily-bar session Unknown Quote as of 2026-09-14 19:55:03.013 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put
—	—	—	—	$0.00	$4.80	—		—	$41.60	$46.00	—	—	—	—
Call · $125 Daily-bar session Unknown Quote as of 2026-09-14 15:19:05.208 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this call Put · $125 In the money Daily-bar session Unknown Quote as of 2026-09-14 19:55:03.013 UTC Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest — OI effective date — Model this put

About this data

Each contract's last price, day range and volume belong to the daily-bar session shown in its details; unknown means the source omitted that timestamp. Open interest has its own effective date shown separately; implied volatility and greeks are model values computed when fetched. This chain has mixed daily-bar sessions · Jan 23, 2026–Sep 14, 2026; 18 unknown. Positioning totals are shown only when every returned open-interest value has the same known effective date. Bid and ask are real-time consolidated OPRA readings.

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 1126956 CUSIP 84857L101 13F (30d) 11 filings 11 filers Visit website Investor relations