Page Comparison

$0.50/1000 (Per Execution or Per Order)

$quantity * 0.0005;

$0.50/1000 (Fee Rules)

=> 0.50

$0.50 / 1000, $1 minimum per ticket (Per Execution or Per Order)

max(1, $quantity * 0.0005);

$0.50 / 1000, $1 minimum per ticket (Fee Rules)

=> max(0.005, [1.00])

$0.50 / 1000, $10 maximum per ticket (Per Execution or Per Order)

min(10, $quantity * 0.0005);

$0.50 / 1000, $10 maximum per ticket (Fee Rules)

=> min(0.005, [10.0])

$0.50 / 1000, $1 minimum, $10 maximum per ticket (Per Execution or Per Order)

max(1, min(10, $quantity * 0.0005));

$1 per execution or order (Per Execution or Per Order)

return 1;

$2.95 per ticket (Per Execution or Per Order$1 per fill (Fee Rules)

return 2.95;=> [1]

$0.50 / 1000 Equities, 1.65 / contract options, 1.00 / futures contract (Per Execution or Per Order)

$instrumentType = getInstrumentType($symbol);
if($instrumentType == INSTRUMENT_TYPE_OPTION) {
   return $quantity * 1.65;
} else if($instrumentType == INSTRUMENT_TYPE_FUTURE) {
   return $quantity * 1.00;
} else {
   return $quantity * 0.0005;
}

$0.50 / 1000 Equities, 1.65 / contract options, 1.00 / futures contract (Fee Rules)

type=equity => 0.0005
type=option => 1.65
type=future => 1.00

Different rate for symbols that have Exchange code of OBB or PNK (Per Execution type or Per Order)

if($listingExchange == 'OBB' || $listingExchange == 'PNK') {
 $fee = bcmul(bcmul($quantity, $price), '0.001'); // This is charging 10 basis pts of gross value
}
else $fee = bcmul($quantity, '0.001') ; // This is the per share rate for non-OBB/PNK activity
return $fee;

Different rate for symbols that have Exchange code of OBB or PNK (Fee Rules)

exch=OBB,PNK => 0.001%   // This is charging 10 basis pts of gross value
=> 0.001     // This is the per share rate for non-OBB/PNK activity

Different rate for Select Symbols (Per Execution type or Per Order)

...