Southern (SO) Options Chain

NYSE: SOUtilitiesElectric Utilities: CentralUSD

85.96-0.19 (-0.22%)

Market open · Delayed 15 min · as of Oct 9, 2:31 PM ET

Expiration date

Expiration: Oct 9, 2026
Days to expiration: 0
Share price: $85.97
Put/call ratio (OI): 0.28
Put/call ratio (volume): 0.16
ATM implied volatility: 29.3%
Expected move: ±$1.32
Open interest (C / P): 2.36K / 672

SO options summary

The SO options chain for the October 9, 2026 expiration lists 21 call and 18 put contracts, expiring today. Open interest stands at 2,362 calls and 672 puts, a put/call ratio of 0.28, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $86.00 strike is 29.3%, which implies the market expects a move of about ±$1.32 (1.5%) in Southern stock by expiration.

The most open interest sits at the $88.00 call (1.41K contracts) and the $78.00 put (213 contracts).

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

SO options chain · October 9, 2026

SO 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
10	636	653.5%	35.95	35.40	36.50	50.00	—	—	—	—	—	—
1	2	356.3%	30.81	29.10	32.90	55.00	—	—	—	—	—	—
1	2	555.5%	20.72	19.00	22.90	65.00	—	—	—	—	—	—
2	29	246.1%	16.02	15.70	16.70	70.00	—	—	—	—	—	—
1	1	168.4%	10.47	10.80	11.50	75.00	0.00	2.10	0.08	274.0%	1	1
—	—	—	—	—	—	76.00	—	—	0.08	—	—	—
1	4	142.2%	9.15	8.80	9.50	77.00	0.00	2.15	1.10	240.4%	1	152
—	—	—	—	—	—	78.00	0.00	2.15	0.51	222.5%	1	213
—	—	—	—	—	—	79.00	0.00	0.55	0.55	128.3%	1	82
—	—	—	—	—	—	80.00	0.00	0.10	0.05	77.3%	1	32
3	3	82.0%	4.95	4.80	5.10	81.00	0.00	0.45	0.10	94.0%	1	23
21	2	51.2%	3.90	3.70	4.30	82.00	0.00	0.50	0.01	82.2%	5	32
13	3	83.0%	3.00	2.60	3.40	83.00	0.00	0.10	0.09	51.2%	2	28
299	35	35.9%	1.94	1.85	2.05	84.00	0.00	0.20	0.10	47.5%	11	51
279	126	26.2%	0.94	0.80	1.10	85.00	0.00	0.05	0.04	18.6%	10	50
SO $85.97
83	2	20.5%	0.10	0.10	0.35	86.00	0.00	0.70	3.85	38.0%	1	3
91	3	24.0%	0.06	0.00	0.10	87.00	0.60	1.70	4.07	61.2%	6	5
1,410	1	31.4%	0.05	0.00	0.05	88.00	1.70	3.60	4.75	77.3%	2	0
13	1	42.6%	0.11	0.00	0.05	89.00	1.80	4.50	3.90	52.1%	82	0
9	1	53.1%	0.06	0.00	0.05	90.00	2.70	5.30	3.98	154.5%	3	0
27	5	158.6%	0.13	0.00	2.15	91.00	3.60	6.20	4.92	164.8%	3	0
12	5	72.7%	0.05	0.00	0.10	92.00	—	—	—	—	—	—
83	3	73.4%	0.01	0.00	0.05	93.00	5.10	8.60	8.00	223.5%	4	0
2	—	201.8%	0.40	0.00	2.10	94.00	—	—	—	—	—	—
1	—	217.6%	0.99	0.00	2.15	95.00	—	—	—	—	—	—

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 SO put/call ratio?

For the October 9, 2026 expiration, the SO put/call ratio based on open interest is 0.28 (672 puts vs 2,362 calls), and 0.16 based on today's volume. A ratio above 1 means more puts than calls.

What is SO's implied volatility?

At-the-money implied volatility for SO options expiring October 9, 2026 is about 29.3%, an annualized estimate of how much the market expects Southern stock to move.

How many SO option expiration dates are there?

SO has 16 listed expiration dates, from Oct 9, 2026 to Jan 19, 2029.

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.