diff options
Diffstat (limited to 'python')
| -rw-r--r-- | python/globeop_reports.py | 4 | ||||
| -rw-r--r-- | python/notebooks/Reto Report.ipynb | 103 |
2 files changed, 80 insertions, 27 deletions
diff --git a/python/globeop_reports.py b/python/globeop_reports.py index a49cae6c..2fe60c8e 100644 --- a/python/globeop_reports.py +++ b/python/globeop_reports.py @@ -15,7 +15,7 @@ def get_monthly_pnl(group_by=["identifier"]): df_pnl = pd.read_sql_query( sql_string, dawn_engine, parse_dates=["date"], index_col=["date"] ) - df_pnl["identifier"] = df_pnl.invid.str.replace("_A$", "") + df_pnl["identifier"] = df_pnl.invid.str.replace("_A$", "", regex=True) pnl_cols = [ "bookunrealmtm", "bookrealmtm", @@ -49,7 +49,7 @@ def get_portfolio(report_date=None): parse_dates=["periodenddate"], index_col=["periodenddate"], ) - df["identifier"] = df.invid.str.replace("_A$", "") + df["identifier"] = df.invid.str.replace("_A$", "", regex=True) return df diff --git a/python/notebooks/Reto Report.ipynb b/python/notebooks/Reto Report.ipynb index 542d324c..bda76756 100644 --- a/python/notebooks/Reto Report.ipynb +++ b/python/notebooks/Reto Report.ipynb @@ -11,15 +11,17 @@ "import pandas as pd\n", "import numpy as np\n", "\n", - "from pandas.tseries.offsets import BDay, MonthEnd\n", + "from pandas.tseries.offsets import BDay, MonthEnd, CustomBusinessMonthEnd\n", "\n", "from risk.bonds import subprime_risk, crt_risk, clo_risk\n", "from risk.portfolio import build_portfolio, generate_vol_surface\n", "\n", "import serenitas.analytics as ana\n", + "from serenitas.analytics.index_data import load_all_curves\n", "from serenitas.analytics.scenarios import run_portfolio_scenarios\n", "from serenitas.analytics.basket_index import BasketIndex\n", - "from serenitas.utils.db import dbconn, dbengine, serenitas_engine, dawn_engine" + "from serenitas.utils.db import dbconn, dbengine, serenitas_engine, dawn_engine, serenitas_pool\n", + "#from dates import bond_cal" ] }, { @@ -30,9 +32,10 @@ "source": [ "#Set dates\n", "position_date = (datetime.date.today() - BDay(1)).date()\n", - "spread_date = position_date\n", + "spread_date = (datetime.date.today() - BDay(1)).date()\n", "ana._local = False\n", - "ana.init_ontr(spread_date)" + "ana.init_ontr(spread_date)\n", + "fund='SERCGMAST'" ] }, { @@ -42,10 +45,10 @@ "outputs": [], "source": [ "################################### Run scenarios\n", - "spread_shock = np.array([-100., -25., 1., +25. , 100., 200])\n", + "spread_shock = np.array([-100., -25., 1., +25. , 100., 200., 300.])\n", "spread_shock /= ana._ontr['HY'].spread\n", - "portf, _ = build_portfolio(position_date, spread_date)\n", - "vol_surface = generate_vol_surface(portf, 5)\n", + "portf, _ = build_portfolio(position_date, spread_date, fund)\n", + "vol_surface = generate_vol_surface(portf, 10, 'MS')\n", "portf.reset_pv()\n", "scens = run_portfolio_scenarios(portf, date_range=[pd.Timestamp(spread_date)], params=['pnl', 'hy_equiv'],\n", " spread_shock=spread_shock,\n", @@ -61,8 +64,11 @@ " 'EUSNR', 'EUMEZ', 'EUINX', 'EUEQY', \n", " 'XOSNR', 'XOMEZ', 'XOINX', 'XOEQY', \n", " 'BSPK']\n", - "\n", - "scens = scens.xs((0.0, 0.0), level=['vol_shock', 'corr_shock'])\n", + "if fund == 'BRINKER': \n", + " scens = scens.xs(0, level='corr_shock')\n", + "else:\n", + " scens = scens.xs((0.0, 0.0), level=['vol_shock', 'corr_shock'])\n", + " \n", "scens.columns.names=['strategy', 'trade_id', 'scen_type']\n", "\n", "results = {}\n", @@ -93,6 +99,26 @@ "metadata": {}, "outputs": [], "source": [ + "#####our jump risks\n", + "jtd = portf.jtd_single_names()\n", + "conn = serenitas_pool.getconn()\n", + "surv_curves = load_all_curves(conn, spread_date)\n", + "serenitas_pool.putconn(conn)\n", + "surv_curves['spread'] = surv_curves['curve'].apply(lambda sc: sc.to_series(forward=False)[5] * (1-sc.recovery_rates[5]))\n", + "jtd_sabo = jtd[[jtd.columns[0]]].join(surv_curves.groupby(level=0).first()[['name', 'company_id', 'spread']])\n", + "jtd_sabo.columns = ['jtd', 'name', 'company_id', 'spread']\n", + "jtd_sabo = jtd_sabo.groupby(['company_id', 'name']).sum()\n", + "jtd_sabo = jtd_sabo.sort_values('spread', ascending=False)\n", + "top_5_avg_loss = jtd_sabo.nlargest(5, columns='jtd')['jtd'].mean()\n", + "widest_5_total_loss = jtd_sabo.nlargest(5, columns='spread')['jtd'].sum()" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "metadata": {}, + "outputs": [], + "source": [ "################################### Find the strategies that are not defined: undefined needs to be mapped in strat_map\n", "strats = pd.read_csv('/home/serenitas/edwin/Python/strat_map.csv')\n", "nav = go.get_net_navs()\n", @@ -117,9 +143,8 @@ "metadata": {}, "outputs": [], "source": [ - "################################### Average Portfolio Sales Turnover - as of last monthend from today\n", - "#(total Bond Sales Proceeds + paydown)/average starting 12 months NAV\n", - "#Actually: Rolling 12 months sum of (total bond sales proceeds + paydown)/monthly NAV\n", + "################################### Average Portfolio Sales Turnover\n", + "#Rolling min(month from inception, 12 months) sum of (total bond sales proceeds + paydown)/monthly NAV\n", "nav = go.get_net_navs()\n", "fund='SERCGMAST'\n", "sql_string = \"SELECT * FROM bond_trades WHERE NOT buysell and fund = %s\"\n", @@ -135,7 +160,9 @@ "portfolio = portfolio[(portfolio.custacctname == 'V0NSCLMAMB') &\n", " (portfolio.identifier != 'USD') &\n", " (portfolio.endqty != 0)]\n", - "cf = pd.read_sql_query(\"SELECT * FROM cashflow_history\", dawn_engine,\n", + "cf = pd.read_sql_query(\"select date, principal_bal, principal, cusip as identifier \"\n", + " \"from cashflow_history a left join \"\n", + " \"(select figi, cusip from securities) b on a.identifier = b.figi\", dawn_engine,\n", " parse_dates=['date'],\n", " index_col=['date']).sort_index()\n", "portfolio = portfolio.set_index('identifier', append=True)\n", @@ -147,7 +174,7 @@ "df_1['paydown'] = df_1.apply(lambda df: df.endqty/df.principal_bal * df.principal, axis=1)\n", "paydowns = df_1.paydown.groupby(pd.Grouper(freq='M')).sum()\n", "temp = pd.concat([paydowns, df.principal_payment, df.accrued_payment], axis=1).fillna(0)\n", - "turnover = (temp.sum(axis=1)/nav.begbooknav).rolling(12).sum()\n", + "turnover = (temp.sum(axis=1)/nav.begbooknav).rolling(12, min_periods=1).sum()\n", "turnover" ] }, @@ -210,7 +237,7 @@ "source": [ "################################### Average Traded Volume\n", "nav = go.get_net_navs()\n", - "sql_string = \"SELECT * FROM bonds where fund='SERCGMAST'\"\n", + "sql_string = \"SELECT * FROM bond_trades where fund='SERCGMAST'\"\n", "bond_trades = pd.read_sql_query(sql_string, dawn_engine,\n", " parse_dates={'lastupdate':{'utc':True}, 'trade_date': {}, 'settle_date':{}},\n", " index_col = 'trade_date')\n", @@ -249,7 +276,7 @@ "#Time series of bond portfolio age (portfolio date - latest buy date of position) - weighted by MV of all bonds.\n", "#Problem is if we buy the same position again it resets to the holding period to 0\n", "nav = go.get_net_navs()\n", - "sql_string = \"SELECT * FROM bonds where fund = 'SERCGMAST' order by trade_date desc\"\n", + "sql_string = \"SELECT * FROM bond_trades where fund = 'SERCGMAST' order by trade_date desc\"\n", "df = pd.read_sql_query(sql_string, dawn_engine,\n", " parse_dates={'lastupdate':{'utc':True}, 'trade_date': {}, 'settle_date':{}},\n", " index_col = 'trade_date')\n", @@ -275,14 +302,24 @@ "outputs": [], "source": [ "################################## Calculate Historical Bond Duration/Yield\n", - "conn = dbconn(\"dawndb\")\n", + "dawnconn = dbconn(\"dawndb\")\n", "fund = 'SERCGMAST'\n", - "dates = pd.date_range(datetime.date(2013, 1, 30), datetime.date.today() - MonthEnd(1), freq=\"M\")\n", - "bond_stats = {}\n", + "CBM = CustomBusinessMonthEnd(calendar=np.busdaycalendar())\n", + "dates = pd.bdate_range(\"2015-1-31\", datetime.date.today() - MonthEnd(1), \n", + " freq=CBM)\n", + "bond_stats=pd.DataFrame()\n", "for d in dates:\n", - " g = subprime_risk(pd.to_timestamp(d), conn, dbengine(\"rmbs_model\"), fund=fund)\n", - " bond_stats[d, 'dur'] = sum(g.notional * g.factor * g.modDur)/sum(g.notional * g.factor)\n", - " bond_stats[d, 'yield'] = sum(g.usd_market_value * g.modDur * g.bond_yield) /sum(g.usd_market_value * g.modDur)" + " sub = subprime_risk(d.date(), dawnconn , dbengine(\"rmbs_model\"), fund=fund)\n", + " sub=sub[sub.pv1>0]\n", + " crt = crt_risk(d.date(), dawnconn , dbengine(\"crt\"), fund=fund)\n", + " clo = clo_risk(d.date(), dawnconn , dbconn(\"etdb\"), fund=fund)\n", + " bonds = pd.concat([sub,crt,clo]).dropna(subset=['modDur', 'usd_market_value'])\n", + " bond_stats.at[d, 'dur']= sum(bonds.notional * bonds.factor * bonds.modDur)/sum(bonds.notional * bonds.factor)\n", + " bond_stats.at[d, 'yield'] = (sum(bonds.usd_market_value * bonds.modDur * bonds.bond_yield) /\n", + " sum(bonds.usd_market_value * bonds.modDur))\n", + " bond_stats.at[d, 'swap_rate'] = (sum(bonds.usd_market_value * bonds.modDur * bonds.swap_rate) /\n", + " sum(bonds.usd_market_value * bonds.modDur))\n", + "bond_stats['dm'] = bond_stats['yield'] - bond_stats['swap_rate']" ] }, { @@ -375,6 +412,7 @@ "outputs": [], "source": [ "################################## historical cash balances: NAV - bondNAV - IA - IM\n", + "#Make sure every strategy is defined\n", "nav = go.get_net_navs()\n", "portf = go.get_portfolio()\n", "strats = pd.read_csv('/home/serenitas/edwin/Python/strat_map.csv')\n", @@ -386,6 +424,7 @@ "df = df[~df['invid'].isin(['USDLOAN', 'EURLOAN'])]\n", "df = df[~df['port'].isin(['SER_TEST__SER_TEST', 'GFS_HELPER_BUSINESS_UNIT'])]\n", "df = df.reset_index().merge(strats, on=['strat', 'custacctname'], how='left')\n", + "df = df.dropna(subset=['capital'])\n", "bondNAV = df[df['capital'].str.contains('Bonds')].groupby(['periodenddate'])['endbooknav'].sum()\n", "bondNAV.name = 'bondNAV'\n", "\n", @@ -410,8 +449,8 @@ "\n", "#now get it all together\n", "nav = nav.join(bondNAV, how='left')\n", - "nav = nav.merge(im, left_on='bdate_end', right_index=True)\n", - "nav = nav.merge(ia, left_on='bdate_end', right_index=True)\n", + "nav = nav.merge(im, left_on='bdate_end', right_index=True, how='left')\n", + "nav = nav.merge(ia, left_on='bdate_end', right_index=True, how='left')\n", "nav['fcash'] = nav['endbooknav'] - nav[['im', 'initial_margin', 'bondNAV']].sum(axis=1)\n", "nav['fcashPercent'] = nav['fcash']/nav['endbooknav']" ] @@ -477,6 +516,20 @@ "metadata": {}, "outputs": [], "source": [] + }, + { + "cell_type": "code", + "execution_count": null, + "metadata": {}, + "outputs": [], + "source": [] + }, + { + "cell_type": "code", + "execution_count": null, + "metadata": {}, + "outputs": [], + "source": [] } ], "metadata": { @@ -495,7 +548,7 @@ "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", - "version": "3.9.1-final" + "version": "3.10.2" } }, "nbformat": 4, |