Banco Santander S.A. Sponsored (SAN) Options Chain

NYSE: SANFinanceCommercial BanksUSD

13.48-0.18 (-1.32%)

At close: Oct 8, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Oct 16, 2026
Days to expiration: 8
Share price: $13.48
Put/call ratio (OI): 0.27
Put/call ratio (volume): 1.59
ATM implied volatility: 48.2%
Expected move: ±$0.9627
Open interest (C / P): 5.96K / 1.63K

SAN options summary

The SAN options chain for the October 16, 2026 expiration lists 10 call and 6 put contracts, with 8 days until expiration. Open interest stands at 5,957 calls and 1,632 puts, a put/call ratio of 0.27, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $13.00 strike is 48.2%, which implies the market expects a move of about ±$0.9627 (7.1%) in Banco Santander S.A. Sponsored stock by expiration.

The most open interest sits at the $15.00 call (3.19K contracts) and the $14.00 put (1.10K contracts).

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

SAN options chain · October 16, 2026

SAN 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
1	2	537.9%	5.30	4.20	6.70	8.00	—	—	—	—	—	—
1	2	260.9%	4.30	3.90	5.70	9.00	—	—	—	—	—	—
10	12	253.1%	3.31	2.40	4.00	10.00	—	—	—	—	—	—
10	4	115.6%	2.34	2.00	3.20	11.00	0.00	0.75	0.37	172.7%	50	50
9	8	139.7%	1.18	1.20	2.70	12.00	0.00	0.25	0.05	78.9%	—	1
49	4	46.1%	0.57	0.25	0.65	13.00	0.00	0.20	0.07	50.4%	1	339
SAN $13.48
1,716	1	35.5%	0.05	0.05	0.10	14.00	0.20	0.95	0.46	81.0%	7	1,096
3,192	1	71.9%	0.02	0.00	0.25	15.00	1.35	1.85	1.10	62.5%	2	144
807	5	67.2%	0.02	0.00	0.05	16.00	1.35	3.20	1.63	189.7%	2	2
162	—	85.9%	0.05	0.00	0.05	17.00	—	—	—	—	—	—

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 SAN put/call ratio?

For the October 16, 2026 expiration, the SAN put/call ratio based on open interest is 0.27 (1,632 puts vs 5,957 calls), and 1.59 based on today's volume. A ratio above 1 means more puts than calls.

What is SAN's implied volatility?

At-the-money implied volatility for SAN options expiring October 16, 2026 is about 48.2%, an annualized estimate of how much the market expects Banco Santander S.A. Sponsored stock to move.

How many SAN option expiration dates are there?

SAN has 7 listed expiration dates, from Oct 16, 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.