Here are examples of possible syntaxes:

For live options prices:

For historical parameters:
Implied vol:Realized vol (intraday, maturity expressed as EWM span in business days):Implied dividend flow: Smile (vol spread between ATM strike and 90% strike, normalized to 1Y with factor 1/T):Forward:
List of available underlyings:
udl name ISIN
OESX Eurostoxx50
ODAX DAX
OSMI SMI (Swiss index)
OESB Eurostoxx Banks
OVS2 VSTOXX
ITK AB Inbev BE0974293251
ABBN ABB CH0012221716
AAR ABN Amro NL0011540547
ACC ACCELLERON INDUSTRIES CH1169360919
OCI1 ACS ACTIVIDADES CONS Y SERV ES0167050915
ASI ASM INTERNATIONAL NL0000334118
ASM ASML NL0010273215
ACR Accor FR0000120404
ADEN Adecco CH0012138605
ADS Adidas DE000A1EWWW0
ADY Adyen NL0012969182
AHO Ahold NL0011794037
AIR Air Liquide FR0000120073
EAD Airbus NL0000235190
AKU Akzo Nobel INE133A01011
ALC Alcon CH0432492467
ALV Allianz DE0008404005
AOM Alstom FR0010220475
AI3A Amadeus ES0109067019
ISPA Arcelormittal LU1598757687
AKE Arkema FR0010313833
AML Aston Martin GB00BN7CG237
AZA Astrazeneca GB0009895292
CUA Aviva GB00BPQY8M80
AXA Axa FR0000120628
HDB Azimut Holding IT0003261697
AER BAE Systems GB0002634946
BPV BANCO BPM IT0005218380
BAS BASF DE000BASF111
BBVD BBVA ES0113211835
BSI BE Semiconductor NL0012866412
BMW BMW DE0005190003
BNP BNP FR0000131104
BPT BP GB0007980591
BPE BPER BANCA IT0000066123
BALN Baloise CH0012410517
BBL Barclays GB0031348658
BARN Barry Callebau CH0009002962
BAY Bayer DE000BAY0017
BC8 Bechtle DE0005158703
BEI Beiersdorf DE0005200000
BIF Bic FR0000120966
BYG Bouygues FR0000120503
BNR Brenntag DE000A1DAHH0
BVI Bureau Veritas FR0006174348
CGM Capgemini FR0000125338
CAR Carrefour FR0000120172
CLX Cellnex Telecom ES0105066007
CLN Clariant CH0012142631
CBK Commerzbank DE000CBK1001
CPG Compass Group GB00BD6K4575
CON Continental DE0005439004
1COV Covestro DE0006062144
XCA Credit Argicole FR0000045072
DTG Daimler Truck DE000DTR0CK8
BSN Danone FR0000120644
DYS1 Dassault Systemes FR0000130650
DVC Davide Campari Milano NL0015435975
DHE Delivery Hero DE000A2E4K43
DBK Deutsche Bank DE0005140008
DB1 Deutsche Boerse DE0005810055
DPW Deutsche Post DE0005552004
DTE Deutsche Telekom DE0005557508
GNS Diageo GB0002374006
DUFN Dufry CH0023405456
EOA E.ON DE000ENAG999
EMSN EMS Chemie CH0016440353
ENT5 ENI IT0003132476
QSV Edenred FR0010908533
EF3 Eiffage FR0000130452
EIA Elisa Oyj FI0009007884
EDS Endesa ES0130670112
ENL5 Enel IT0003128367
GZF Engie FR0010208488
EBS Erste bank AT0000652011
ESL Essilor FR0000121667
EVK Evonik DE000EVNK013
EXR Exor NL0012059018
2FE Ferrari NL0011585146
FOT Fortum FI0009007132
FRE Fresenius SE&Co DE0005785604
FME Fresenius medical care DE0005785802
GEBN Geberit CH0030170408
ASG5 Generali IT0000062072
GXI Gerresheimer DE000A0LD6E6
GIVN Givaudan CH0010645932
GLEN Glencore JE00B4T3BW64
HSB HSBC GB0005405286
HNR1 Hannover Rueck DE0008402215
HLA Hapag Lloyd DE000HLAG475
HEI Heidelberg Cement DE0006047004
HNK Heineken NL0000009165
HEN3 Henkel pref DE0006048432
HMI Hermes FR0000052292
HOT Hochtief DE0006070006
HOLN Holcim CH0012214059
BOSS Hugo Boss DE000A1PHFF7
INN ING NL0011821202
IBE Iberdrola ES0144580Y14
IMO Immofinanz AT0000A21KS2
IXD Inditex ES0148396007
IFX Infineon DE0006231004
IES5 Intesa Sanpaolo IT0000072618
BAEN JULIUS BAER CH0102484968
TKW JUST EAT TAKEAWAY NL0012015705
SDF K+S DE000KSAG888
KDB KBC BE0003565737
OKS2 KOSPI
KPN KPN NL0000009082
PPX Kering FR0000121485
LIF Klepierre FR0000121964
KC4 Kone FI0009013403
KNIN Kuehne Nagel CH0025238863
LOR L Oreal FR0000120321
MOH LVMH FR0000121014
LXS Lanxess DE0005470405
LEG Leg Immobilien DE000LEG1110
LRC Legrand FR0010307819
FMNB Leonardo SPA IT0003856405
TSB Lloyds Banking Group GB0008706128
LOGN Logitech CH0025751329
LONN Lonza CH0013841017
LHA Lufthansa DE0008232125
MTX MTU Aero DE000A0D9PT0
ME9 Mediobanca IT0000062957
DAI Mercedes-Benz DE0007100000
MRK Merck DE0006599905
B4B Metro AG DE000BFB0019
MCH Michelin FR0000121261
MON Moncler IT0004965148
MUV2 Munich Re DE0008430026
NNG NN Group NL0010773842
NGG National Grid GB00BDR05C01
NEF Neste Oil FI0009013296
NESN Nestle CH0038863350
NEXI Nexi SPA IT0005366767
NOA3 Nokia FI0009000681
NOVN Novartis CH0012005267
FTE Orange FR0000133308
7PI POSTE ITALIANE IT0003796171
PSPN PSP SWISS PROPERTY CH0018294154
PGHN Partners Group CH0024608827
PER Pernod Ricard FR0000120693
PHI1 Philips NL0000009538
POR3 Porsche DE000PAH0038
PAG Porsche pref DE000PAG9113
PRY Prysmian IT0004176001
PU4 Publicis FR0000130577
PUM Puma DE0006969603
RWE RWE DE0007037129
RSH Randstad NL0000379121
RBE Reckitt Benckiser GB00B24CGK77
RNL Renault FR0000131906
REP Repsol ES0173516115
CFR Richemont CH0210483332
RTZ Rio Tinto GB0007188757
ROG Roche CH0012032048
SAP SAP DE0007164600
DIM SARTORIUS STEDIM BIOTECH FR0013154002
SGSN SGS CH0002497458
SNF SNAM IT0003153415
SGM STM NL0000226223
OXXP STOXX Europe 600
OSTA STOXX Europe 600 Automobiles & Parts Options
OSTB STOXX Europe 600 Banks Options
OSTS STOXX Europe 600 Basic Resources Options
OSTG STOXX Europe 600 Industrial Goods & Services Options
OSTE STOXX Europe 600 Oil & Gas Options
OSEG STXE 600 ESG-X
SEJ Safran FR0000073272
GOB Saint Gobain FR0000125007
SNW Sanofi FR0000120578
BSD2 Santander ES0113900J37
SCHP Schindler CH0024638196
SND Schneider FR0000121972
ROY Shell GB00BP6MXD84
SFZ Siegfried CH0014284498
SIE Siemens DE0007236101
ENR Siemens Energy DE000ENER6Y0
SHH Siemens Healthineers DE000SHL1006
SIK Sika CH0418792922
SGE Société Générale FR0000130809
SJ7 Sodexho FR0000121220
SOON Sonova CH0012549785
SCB Standard Chartered\n GB0004082847
FIA5 Stellantis NL00150001Q9
ENUR Stora Enso FI0009005961
STMN Straumann Holding CH1175448666
UHR Swatch Group CH0012255151
SLHN Swiss Life CH0014852781
SPSN Swiss Prime Site CH0008038389
SREN Swiss Re CH0126881561
SCMN Swisscom CH0008742519
SY1 Symrise DE000SYM9999
TUI TUI DE000TUAG505
TMV Teamviewer DE000A2YN900
TNE5 Telefonica ES0178430E18
RCF Teleperformance FR0000051807
TEMN Temenos CH0012453913
UEI Terna IT0003242622
TCO Tesco GB00BLGZ9862
CSF Thales FR0000121329
UHRN The Swatch Group CH0012255144
TKA Thyssenkrupp DE0007500001
TOTB TotalEnergies FR0000120271
UBSN UBS CH0244767585
UMG UNIVERSAL MUSIC GROUP NL0015000IY2
RPL UPM Kymmene FI0009005987
UEN Ubisoft FR0000054470
NVJ Umicore BE0974320526
UBL Unibail FR0013326246
CRI5 Unicredito IT0005239360
UNI Unilever GB00B10RZP78
VAGN VAT Group CH0311864901
VVD VEOLIA ENVIRONNEMENT FR0000124141
VSA Valeo FR0013176526
VAR Varta DE000A0TGJ55
SQU Vinci FR0000125486
VVU Vivendi FR0000127771
VOD Vodafone GB00BH4HKS39
VO3 Volkswagen DE0007664039
ANN Vonovia DE000A1ML7J1
ZAL Zalando DE000ZAL1111
ZURN Zurich Insurance Group CH0011075394
DSM koninklijke DSM NL0000009827