$ cargo install --git https://github.com/pstadler/ticker-rs.git

# Single symbol:
$ ticker AAPL

# Multiple symbols:
$ ticker AAPL MSFT GOOG BTC-USD

# Read from file:
$ echo "AAPL MSFT GOOG BTC-USD" > ~/.ticker.conf
$ ticker $(cat ~/.ticker.conf)

# Use different colors:
$ COLOR_BOLD="\e[38;5;248m" \
  COLOR_GREEN="\e[38;5;154m" \
  COLOR_RED="\e[38;5;202m" \
  ticker AAPL

# Disable colors:
$ NO_COLOR=1 ticker AAPL

# Update every five seconds:
$ watch -n 5 -t -c ticker AAPL MSFT GOOG BTC-USD
# Or if `watch` is not available:
$ while true; do clear; ticker AAPL MSFT GOOG BTC-USD; sleep 5; done