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-rw-r--r--python/exploration/option_trades.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/python/exploration/option_trades.py b/python/exploration/option_trades.py
index 3edda8e4..611fdc83 100644
--- a/python/exploration/option_trades.py
+++ b/python/exploration/option_trades.py
@@ -66,12 +66,12 @@ def atm_vol_date(index, date):
'WHERE index = %s and quotedate >= %s',
serenitasdb,
index_col=['quotedate', 'expiry', 'series'],
- params=(index.upper(), date))
+ params=(index.upper(), date), parse_dates=['quotedate'])
index_data = pd.read_sql_query(
'SELECT quotedate, expiry, series, fwdspread FROM swaption_ref_quotes ' \
'WHERE index= %s and quotedate >= %s',
serenitasdb, index_col=['quotedate', 'expiry', 'series'],
- params = (index.upper(), date))
+ params = (index.upper(), date), parse_dates=['quotedate'])
df = df.join(index_data)
df = df.groupby(df.index).filter(lambda x: len(x)>=2)
df = df.groupby(level=['quotedate', 'expiry', 'series']).apply(atm_vol_fun)