SAN · Banco Santander, S.A.

Track SAN — free Ask ALVIS about SAN

$14.10 -0.01 (-0.07%) At close · Jul 31

Market Cap

$201.41B

14.28B

Options Chain

15-min delayed Underlying $14.10 · at close Jul 31, 2026 Options Calculator

Positioning

Aug 21, 2026 · 20 days to expiry · 34 contracts

Put / call OI

1.01

Balanced positioning

Open interest

8,995

contracts outstanding

Volume

137

traded today

Max pain

$14.00

$0.10 below spot

ATM implied vol

27.7%

market's expected move

Open interest by strike

Calls Puts

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 20d Sep 18 48d Dec 18 139d Mar 19 230d Jan 21 538d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	206.4%	0.992	—		—	—	—	—	0
Call · $5 In the money Last — Breakeven — Implied vol 206.4% Delta 0.992 ≈99% ITM Gamma 0.003 Theta -0.004 Vega 0.001 Open interest 0 Model this call Put · $5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	2	170.9%	0.99	$7.60		—	—	—	—	0
Call · $6 In the money Last $7.60 Breakeven $13.60 Implied vol 170.9% Delta 0.99 ≈99% ITM Gamma 0.005 Theta -0.003 Vega 0.001 Open interest 0 Model this call Put · $6 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	2	141%	0.989	$7.20		$0.05	—	—	1	1
Call · $7 In the money Last $7.20 Breakeven $14.20 Implied vol 141% Delta 0.989 ≈99% ITM Gamma 0.006 Theta -0.003 Vega 0.001 Open interest 0 Model this call Put · $7 Last $0.05 Breakeven $6.95 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
31	30	115.1%	0.987	$5.65		—	—	—	—	0
Call · $8 In the money Last $5.65 Breakeven $13.65 Implied vol 115.1% Delta 0.987 ≈99% ITM Gamma 0.009 Theta -0.003 Vega 0.001 Open interest 31 Model this call Put · $8 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
2	4	154.8%	0.92	$4.24		—	—	—	—	0
Call · $9 In the money Last $4.24 Breakeven $13.24 Implied vol 154.8% Delta 0.92 ≈92% ITM Gamma 0.029 Theta -0.019 Vega 0.005 Open interest 2 Model this call Put · $9 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
8	8	84%	0.965	$4.24		$0.05	—	—	1	1
Call · $10 In the money Last $4.24 Breakeven $14.24 Implied vol 84% Delta 0.965 ≈97% ITM Gamma 0.027 Theta -0.005 Vega 0.003 Open interest 8 Model this call Put · $10 Last $0.05 Breakeven $9.95 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
0	—	138.1%	0.821	—		$0.01	-0.161	123.2%	5	21
Call · $11 In the money Last — Breakeven — Implied vol 138.1% Delta 0.821 ≈82% ITM Gamma 0.058 Theta -0.03 Vega 0.008 Open interest 0 Model this call Put · $11 Last $0.01 Breakeven $10.99 Implied vol 123.2% Delta -0.161 ≈16% ITM Gamma 0.061 Theta -0.025 Vega 0.008 Open interest 21 Model this put
30	1	65.7%	0.864	$2.12		$0.13	-0.105	56.7%	55	107
Call · $12 In the money Last $2.12 Breakeven $14.12 Implied vol 65.7% Delta 0.864 ≈86% ITM Gamma 0.101 Theta -0.012 Vega 0.008 Open interest 30 Model this call Put · $12 Last $0.13 Breakeven $11.87 Implied vol 56.7% Delta -0.105 ≈10% ITM Gamma 0.098 Theta -0.008 Vega 0.005 Open interest 107 Model this put
90	2	32.4%	0.853	$0.72		$0.16	-0.229	48.2%	1	1.4k
Call · $13 In the money Last $0.72 Breakeven $13.72 Implied vol 32.4% Delta 0.853 ≈85% ITM Gamma 0.216 Theta -0.007 Vega 0.008 Open interest 90 Model this call Put · $13 Last $0.16 Breakeven $12.84 Implied vol 48.2% Delta -0.229 ≈23% ITM Gamma 0.194 Theta -0.012 Vega 0.011 Open interest 1.4k Model this put
3.4k	10	32.8%	0.53	$0.49		$0.30	-0.468	22.6%	1	3k
Call · $14 In the money Last $0.49 Breakeven $14.49 Implied vol 32.8% Delta 0.53 ≈53% ITM Gamma 0.375 Theta -0.011 Vega 0.013 Open interest 3.4k Model this call Put · $14 Last $0.30 Breakeven $13.70 Implied vol 22.6% Delta -0.468 ≈47% ITM Gamma 0.548 Theta -0.007 Vega 0.013 Open interest 3k Model this put
Underlying $14.10
909	10	30.3%	0.186	$0.10		—	-0.7	48.6%	—	0
Call · $15 Last $0.10 Breakeven $15.10 Implied vol 30.3% Delta 0.186 ≈19% ITM Gamma 0.27 Theta -0.007 Vega 0.009 Open interest 909 Model this call Put · $15 In the money Last — Breakeven — Implied vol 48.6% Delta -0.7 ≈70% ITM Gamma 0.22 Theta -0.013 Vega 0.012 Open interest 0 Model this put
42	2	51.5%	0.15	$0.04		—	-0.841	53.3%	—	0
Call · $16 Last $0.04 Breakeven $16.04 Implied vol 51.5% Delta 0.15 ≈15% ITM Gamma 0.14 Theta -0.01 Vega 0.009 Open interest 42 Model this call Put · $16 In the money Last — Breakeven — Implied vol 53.3% Delta -0.841 ≈84% ITM Gamma 0.142 Theta -0.01 Vega 0.009 Open interest 0 Model this put
0	—	97.4%	0.235	—		—	—	—	—	0
Call · $17 Last — Breakeven — Implied vol 97.4% Delta 0.235 ≈23% ITM Gamma 0.097 Theta -0.025 Vega 0.01 Open interest 0 Model this call Put · $17 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $18 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $18 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $19 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $19 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	—	—	—		—	—	—	—	0
Call · $20 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $20 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
3	2	—	—	$0.10		—	—	—	—	0
Call · $21 Last $0.10 Breakeven $21.10 Implied vol — Delta — Gamma — Theta — Vega — Open interest 3 Model this call Put · $21 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

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 891478 CUSIP 05964H105 13F (30d) 289 filings 263 filers Visit website Investor relations