ts_backfill(digital_supply_chain_index, lookback=252, k=1, ignore="NAN")

divide(ts_backfill(digital_supply_chain_index, lookback=252, k=1, ignore="NAN"), group_mean(ts_backfill(digital_supply_chain_index, lookback=252, k=1, ignore="NAN"), sector))

ts_delta(ts_backfill(digital_supply_chain_index, lookback=252, k=1, ignore="NAN"), 20)

group_zscore(ts_backfill(digital_supply_chain_index, lookback=252, k=1, ignore="NAN"), industry)

ts_rank(ts_backfill(digital_supply_chain_index, lookback=252, k=1, ignore="NAN"), 126)

ts_zscore(ts_backfill(digital_supply_chain_index, lookback=252, k=1, ignore="NAN"), 63)

group_scale(ts_backfill(digital_supply_chain_index, lookback=252, k=1, ignore="NAN"), industry)

ts_decay_linear(ts_backfill(digital_supply_chain_index, lookback=252, k=1, ignore="NAN"), 90, dense=false)

ts_mean(ts_backfill(digital_supply_chain_index, lookback=252, k=1, ignore="NAN"), 60)

ts_std_dev(ts_backfill(digital_supply_chain_index, lookback=252, k=1, ignore="NAN"), 120)

ts_corr(ts_backfill(digital_supply_chain_index, lookback=252, k=1, ignore="NAN"), forward_price_120, 90)

ts_quantile(ts_backfill(digital_supply_chain_index, lookback=252, k=1, ignore="NAN"), 252, driver="gaussian")

ts_arg_max(ts_backfill(digital_supply_chain_index, lookback=252, k=1, ignore="NAN"), 180)

ts_arg_min(ts_backfill(digital_supply_chain_index, lookback=252, k=1, ignore="NAN"), 180)

ts_scale(ts_backfill(digital_supply_chain_index, lookback=252, k=1, ignore="NAN"), 252, constant=0)

group_neutralize(ts_backfill(digital_supply_chain_index, lookback=252, k=1, ignore="NAN"), subindustry)

ts_av_diff(ts_backfill(digital_supply_chain_index, lookback=252, k=1, ignore="NAN"), 90)

hump(ts_backfill(digital_supply_chain_index, lookback=252, k=1, ignore="NAN"), hump=0.01)

ts_regression(forward_price_120, ts_backfill(digital_supply_chain_index, lookback=252, k=1, ignore="NAN"), 120, lag=0, rettype=0)

multi_factor_acceleration_score_derivative * ts_backfill(digital_supply_chain_index, lookback=252, k=1, ignore="NAN")