# The Option Position Greeks Calculator

1.5 ){
\$tdstyle = ‘background-color:#99ff00;color:#000;';
}
else if ( \$delta != 0.0 && abs(\$theta/\$delta) > 1.0 ){
\$tdstyle = ‘background-color:#ffffcc;color:#000;';
}
else if ( \$delta != 0.0 && abs(\$theta/\$delta) > 0.5 ){
\$tdstyle = ‘background-color:#ffff66;color:#000;';
}
else if ( \$delta != 0.0 && abs(\$theta/\$delta) <= 0.5 ){
\$tdstyle = ‘background-color:#ff9900;color:#000;';
}
else
\$tdstyle = ”;
?>

Underlying Price
Delta/Gamma
Theta/Delta Estimated Greeks (1 Day + 1 Sigma)

1.5 ) {
\$tdstyle = ‘background-color:#99ff00;color:#000;';
}
else if( \$deltaEstimateDown != 0 && abs( \$theta / \$deltaEstimateDown ) > 1.0 ) {
\$tdstyle = ‘background-color:#ffffcc;color:#000;';
}
else if( \$deltaEstimateDown != 0 && abs( \$theta / \$deltaEstimateDown ) > 0.5 ) {
\$tdstyle = ‘background-color:#ffff66;color:#000;';
}
else if( \$deltaEstimateDown != 0 && abs( \$theta / \$deltaEstimateDown ) <= 0.5 ) {
\$tdstyle = ‘background-color:#ff9900;color:#000;';
}
else
\$tdstyle = ”;
?>

1.5 ) {
\$tdstyle = ‘background-color:#99ff00;color:#000;';
}
else if( \$deltaEstimateUp != 0 && abs( \$theta / \$deltaEstimateUp ) > 1.0 ) {
\$tdstyle = ‘background-color:#ffffcc;color:#000;';
}
else if( \$deltaEstimateUp != 0 && abs( \$theta / \$deltaEstimateUp ) > 0.5 ) {
\$tdstyle = ‘background-color:#ffff66;color:#000;';
}
else if( \$deltaEstimateUp != 0 && abs( \$theta / \$deltaEstimateUp ) <= 0.5 ) {
\$tdstyle = ‘background-color:#ff9900;color:#000;';
}
else
\$tdstyle = ”;
?>

Down   Up
Price
Delta
Theta/Delta

### Instructions

This tool is to help you monitor your option position Greeks. Enter the underlying price, the current volatility and your position Greeks into the calculator. There are several colors to alert you if your Greeks may be getting too imbalanced:

 Green This Greek should be fine Light yellow This Greek may be need attention soon but should be ok at the moment Dark yellow This Greek could cause problems soon. Look at your risk chart and decide if you need to make any adjustments Orange This Greek could cause problems. Look at your risk chart and decide if you need to make any adjustments

WARNING: This tool is for information purposes only. You have to make your own trading decisions if your position needs an adjustment or not. Do not rely solely on this tool for your trading decisions.