SR

Spire Inc

$80.73 +0.15 (+0.19%) At close · Jul 10

Market Cap

$4.77B

59,116,792

Options Calculator

Theoretical estimate

Estimate what a long-dated option on SR could return if you hold it and the stock reaches a target price. Premiums are theoretical Black-Scholes-Merton values — tune the inputs to match your broker, then compare each strike's return against simply holding the shares.

Holding period

2.00 years

Implied volatility (%)

1-year realized volatility. Implied vol usually differs — adjust to your broker's number.Market-wide VIX 17.2.

Risk-free rate (%)

Latest SOFR (2026-07-10) — an overnight rate, a rough proxy over years.

Dividend per share $

Annualizes to a 4.09% yield. Most recent $0.83 ex-date 2026-06-11; frequency detected — adjust if it's wrong.

Recent payouts

2026-06-11 $0.83
2026-03-11 $0.83
2025-12-11 $0.83
2025-09-11 $0.79

Target price at horizon

Spot $80.73 on 2026-07-10.

Best strike

—

Highest estimated return

Return at target

—

— annualized

Breakeven

—

Stock price to break even

Hold the stock

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— annualized, with dividends

Return by strike at your target price

Strike ladder

Strike	Moneyness	Premium	Breakeven	Value at target	Return	Annualized	Max loss

Per share; one contract = 100 shares. Premiums are theoretical Black-Scholes-Merton estimates — real options are American-style and priced off an implied-volatility smile, so use your broker's quote for the actual premium. Not investment advice.

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Key facts CIK 1126956 CUSIP 84857L101 13F (30d) 24 filings 23 filers Visit website Investor relations