Added signal CAPEX_DEPR_RATIO

Author: Hvass-Labs

CHANGELOG.md

@@ -9,6 +9,7 @@
 -   Added signals: `PCASH`, `PAYOUT_RATIO`, `BUYBACK_RATIO`,
     `PAYOUT_BUYBACK_RATIO`, `RD_REVENUE`, `RD_GROSS_PROFIT`, `RORC`,
     `ACQ_ASSETS_RATIO`, `INVENTORY_TURNOVER`, `QUICK_RATIO`, `LOG_REVENUE`,
+    `CAPEX_DEPR_RATIO`
 
 -   Added functions `sf.rel_change_ttm_1y` and `sf.rel_change_ttm_2y`
     e.g. for use in signal-calculations.

simfin/names_extra.py

@@ -140,6 +140,9 @@
 #: Net Acquisitions & Divestitures / Total Assets.
 ACQ_ASSETS_RATIO = 'Net Acquisitions / Total Assets'
 
+#: Capital Expenditures / (Depreciation + Amortization).
+CAPEX_DEPR_RATIO = 'CapEx / (Depr + Amor)'
+
 #: Log10(Revenue).
 LOG_REVENUE = 'Log Revenue'
 

simfin/signals.py

@@ -421,6 +421,10 @@ def _signals(df):
         df_signals[ACQ_ASSETS_RATIO] = \
             -df[NET_CASH_ACQ_DIVEST] / df[TOTAL_ASSETS]
 
+        # Capital Expenditures / (Depreciation + Amortization).
+        # Note the negation because CAPEX is negative.
+        df_signals[CAPEX_DEPR_RATIO] = -df[CAPEX] / df[DEPR_AMOR]
+
         # Log10(Revenue).
         df_signals[LOG_REVENUE] = np.log10(df[REVENUE])
 
@@ -438,7 +442,8 @@ def _signals(df):
     df2 = df_balance_ttm[columns]
 
     # Get relevant data from Cash-Flow Statements.
-    columns = [DIVIDENDS_PAID, CASH_REPURCHASE_EQUITY, NET_CASH_ACQ_DIVEST]
+    columns = [DIVIDENDS_PAID, CASH_REPURCHASE_EQUITY, NET_CASH_ACQ_DIVEST,
+               CAPEX, DEPR_AMOR]
     df3 = df_cashflow_ttm[columns]
 
     # Calculate Free Cash Flow.