SEI Investments (SEIC) Options Chain

NASDAQ: SEICFinanceInvestment Bankers/Brokers/ServiceUSD

104.70+1.45 (+1.40%)

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

Expiration date

Expiration: Dec 18, 2026
Days to expiration: 68
Share price: $104.70
Put/call ratio (OI): 1.60
Put/call ratio (volume): 1.34
ATM implied volatility: 37.1%
Expected move: ±$16.79
Open interest (C / P): 90 / 144

SEIC options summary

The SEIC options chain for the December 18, 2026 expiration lists 10 call and 10 put contracts, with 68 days until expiration. Open interest stands at 90 calls and 144 puts, a put/call ratio of 1.60, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $105.00 strike is 37.1%, which implies the market expects a move of about ±$16.79 (16.0%) in SEI Investments stock by expiration.

The most open interest sits at the $115.00 call (41 contracts) and the $60.00 put (106 contracts).

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

SEIC options chain · December 18, 2026

SEIC 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
—	—	—	—	—	—	60.00	0.00	0.25	0.25	60.4%	43	106
—	—	—	—	—	—	65.00	0.00	2.15	0.65	79.3%	1	3
4	1	—	21.00	26.30	30.00	70.00	0.00	2.20	0.50	69.7%	2	5
—	—	—	—	—	—	75.00	0.00	2.25	0.80	60.5%	1	8
1	—	—	16.04	11.40	15.70	80.00	—	—	—	—	—	—
4	13	57.0%	22.30	18.50	22.30	85.00	0.00	2.30	0.40	54.3%	—	1
0	1	—	16.88	0.00	0.00	90.00	0.00	2.00	1.15	41.8%	1	5
2	1	39.9%	14.90	10.10	12.80	95.00	0.60	2.65	2.00	36.8%	1	7
0	1	—	11.34	0.00	0.00	100.00	1.25	4.30	2.72	36.0%	1	7
SEIC $104.70
7	1	37.1%	3.60	3.00	6.60	105.00	—	—	—	—	—	—
15	1	29.3%	3.60	2.10	3.20	110.00	6.60	8.90	7.02	31.6%	1	2
41	6	33.5%	3.46	0.00	2.50	115.00	—	—	—	—	—	—
16	13	50.5%	2.77	0.90	4.00	120.00	—	—	—	—	—	—
—	—	—	—	—	—	130.00	23.30	27.50	19.85	50.6%	—	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 SEIC put/call ratio?

For the December 18, 2026 expiration, the SEIC put/call ratio based on open interest is 1.60 (144 puts vs 90 calls), and 1.34 based on today's volume. A ratio above 1 means more puts than calls.

What is SEIC's implied volatility?

At-the-money implied volatility for SEIC options expiring December 18, 2026 is about 37.1%, an annualized estimate of how much the market expects SEI Investments stock to move.

How many SEIC option expiration dates are there?

SEIC has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 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.