reverse(ts_delta(customer_acquisition_cost, 63))
multiply(ts_delta(customer_acquisition_cost, 63), reverse(ts_mean(customer_acquisition_cost, 126)))
divide(ts_delta(customer_acquisition_cost, 63), ts_std_dev(customer_acquisition_cost, 126))
subtract(ts_delta(customer_acquisition_cost, 63), ts_mean(customer_acquisition_cost, 252))

if_else(ts_delta(customer_acquisition_cost, 63) > multiply(ts_mean(customer_acquisition_cost, 126), 1.2), -1, ts_delta(customer_acquisition_cost, 63))
multiply(ts_delta(customer_acquisition_cost, 63), sign(subtract(ts_delta(customer_acquisition_cost, 63), ts_mean(customer_acquisition_cost, 252))))

ts_zscore(ts_delta(customer_acquisition_cost, 63), 126)
multiply(ts_rank(customer_acquisition_cost, 63), reverse(ts_delta(customer_acquisition_cost, 63)))
add(ts_delta(customer_acquisition_cost, 63), multiply(ts_mean(customer_acquisition_cost, 126), -1))

power(ts_delta(customer_acquisition_cost, 63), 0.5)
multiply(ts_delta(customer_acquisition_cost, 63), log(ts_mean(customer_acquisition_cost, 126)))
divide(ts_delta(customer_acquisition_cost, 63), ts_sum(customer_acquisition_cost, 126))
subtract(ts_delta(customer_acquisition_cost, 63), ts_min(customer_acquisition_cost, 252))

multiply(ts_delta(customer_acquisition_cost, 63), if_else(ts_delta(customer_acquisition_cost, 63) > 0, -1, 1))
ts_scale(ts_delta(customer_acquisition_cost, 63), 126)
multiply(ts_delta(customer_acquisition_cost, 63), reverse(ts_zscore(customer_acquisition_cost, 126)))

add(ts_delta(customer_acquisition_cost, 63), multiply(ts_std_dev(customer_acquisition_cost, 126), -1))
divide(ts_delta(customer_acquisition_cost, 63), ts_max(customer_acquisition_cost, 252))
multiply(ts_delta(customer_acquisition_cost, 63), sqrt(ts_mean(customer_acquisition_cost, 126)))
reverse(ts_sum(ts_delta(customer_acquisition_cost, 21), 3))