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-rw-r--r--python/pnl_explain.py12
1 files changed, 7 insertions, 5 deletions
diff --git a/python/pnl_explain.py b/python/pnl_explain.py
index 2bb3df82..83407f35 100644
--- a/python/pnl_explain.py
+++ b/python/pnl_explain.py
@@ -248,7 +248,8 @@ def get_tranche_pv2(
)
df_cashflows = principal.to_frame().add(df_cashflows, fill_value=0.0)
df_cashflows = df_cashflows.rename(columns={"accrued": "realized_accrued"})
- return pd.concat([df, df_cashflows], axis=1).join(strategies).sort_index()
+ df = pd.concat([df, df_cashflows], axis=1).join(strategies).sort_index()
+ return df.rename(columns={"clean_nav": "pv"})
def get_pv(**kwargs):
@@ -256,7 +257,7 @@ def get_pv(**kwargs):
if pnl_type == "swaption":
return get_swaption_pv(**kwargs)
elif pnl_type == "tranche":
- return get_tranche_pv(**kwargs)
+ return get_tranche_pv2(**kwargs)
else:
return get_bond_pv(**kwargs)
@@ -326,9 +327,10 @@ def get_pnl(df_instrument, asset_class: Literal["bond", "tranche", "swaption"]):
if asset_class == "bond":
return df_instrument.drop("notional", axis=1).groupby("date").sum().sum(axis=1)
elif asset_class == "tranche":
- return df_instrument.pv.diff() + df_instrument[["upfront", "accrued"]].sum(
- axis=1
- )
+ df_pnl = df_instrument.groupby(level="id")[["pv", "accrued"]].diff().sum(axis=1)
+ df_pnl += df_instrument.realized_accrued.fillna(0)
+ cashflows = df_instrument.dropna(subset=["principal"]).fillna(0).sum(axis=1)
+ return pd.concat([df_pnl, cashflows]).groupby("date").sum()
elif asset_class == "swaption":
return df_instrument.pv.diff() + df_instrument.daily