Installment

from absbox import API,EnginePath

localAPI = API(EnginePath.DEV,lang='english',check=False)

Connecting engine server -> https://absbox.org/api/dev

/home/docs/checkouts/readthedocs.org/user_builds/absbox-doc/envs/stable/lib/python3.11/site-packages/urllib3/connectionpool.py:1097: InsecureRequestWarning: Unverified HTTPS request is being made to host 'absbox.org'. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#tls-warnings
  warnings.warn(

✅Connected, local lib:0.52.3, server:0.52.3

installment = ["Installment"
                    ,{"originBalance": 1000.0
                    ,"feeRate": ["fix",0.01]
                    ,"originTerm": 12
                    ,"freq": "Monthly"
                    ,"type": "f_p"
                    ,"originDate": "2022-01-01"}
                    ,{"status": "Current"
                        ,"currentBalance":1000
                        ,"remainTerm":8}]

r = localAPI.runAsset("2022-01-02"
                     ,[installment]
                     ,poolAssump=("Pool"
                                    ,("Installment", None, None, None, None)
                                    ,None
                                    ,None)
                     ,read=True)

/home/docs/checkouts/readthedocs.org/user_builds/absbox-doc/envs/stable/lib/python3.11/site-packages/urllib3/connectionpool.py:1097: InsecureRequestWarning: Unverified HTTPS request is being made to host 'absbox.org'. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#tls-warnings
  warnings.warn(

Installment : Default

r = localAPI.runAsset("2022-01-02"
                     ,[installment]
                     ,poolAssump=("Pool"
                                    ,("Installment", {"CDR":0.01}, None, None, None)
                                    ,None
                                    ,None)
                     ,read=True)

r[0].head()

/home/docs/checkouts/readthedocs.org/user_builds/absbox-doc/envs/stable/lib/python3.11/site-packages/urllib3/connectionpool.py:1097: InsecureRequestWarning: Unverified HTTPS request is being made to host 'absbox.org'. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#tls-warnings
  warnings.warn(

	Balance	Principal	Interest	Prepayment	Default	Recovery	Loss	WAC	CumPrincipal	CumPrepay	CumDelinq	CumDefault	CumRecovery	CumLoss
Date
2022-05-01	1000.00	0.00	0.00	0	0.00	0	0.00	0.01	0.00	0	0	0.00	0	0.00
2022-06-01	874.27	124.88	14.98	0	0.85	0	0.85	0.01	124.88	0	0	0.85	0	0.85
2022-07-01	748.77	124.78	14.97	0	0.72	0	0.72	0.01	249.66	0	0	1.57	0	1.57
2022-08-01	623.47	124.67	14.96	0	0.63	0	0.63	0.01	374.33	0	0	2.20	0	2.20
2022-09-01	498.38	124.56	14.94	0	0.53	0	0.53	0.01	498.89	0	0	2.73	0	2.73

Installment: Prepayment

r = localAPI.runAsset("2022-01-02"
                     ,[installment]
                     ,poolAssump=("Pool"
                                    ,("Installment", {"CDR":0.01}, {"CPR":0.01}, None, None)
                                    ,None
                                    ,None)
                     ,read=True)

r[0].head()

/home/docs/checkouts/readthedocs.org/user_builds/absbox-doc/envs/stable/lib/python3.11/site-packages/urllib3/connectionpool.py:1097: InsecureRequestWarning: Unverified HTTPS request is being made to host 'absbox.org'. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#tls-warnings
  warnings.warn(

	Balance	Principal	Interest	Prepayment	Default	Recovery	Loss	WAC	CumPrincipal	CumPrepay	CumDelinq	CumDefault	CumRecovery	CumLoss
Date
2022-05-01	1000.00	0.00	0.00	0.00	0.00	0	0.00	0.01	0.00	0.00	0	0.00	0	0.00
2022-06-01	873.53	124.77	14.97	0.85	0.85	0	0.85	0.01	124.77	0.85	0	0.85	0	0.85
2022-07-01	747.52	124.57	14.94	0.72	0.72	0	0.72	0.01	249.34	1.57	0	1.57	0	1.57
2022-08-01	621.90	124.36	14.92	0.63	0.63	0	0.63	0.01	373.70	2.20	0	2.20	0	2.20
2022-09-01	496.70	124.14	14.89	0.53	0.53	0	0.53	0.01	497.84	2.73	0	2.73	0	2.73

Installment: Fee-Free / Interest Free for first N period

Let’s use new Weekly frequency

installment2 = ["Installment"
                    ,{"originBalance": 1200.0
                    ,"feeRate": ["fix",0.01]
                    ,"originTerm": 12
                    ,"freq": "Weekly"
                    ,"type": ("PO_FirstN", 2)
                    ,"originDate": "2022-01-01"}
                    ,{"status": "Current"
                        ,"currentBalance":1200
                        ,"remainTerm":12}]


r = localAPI.runAsset("2021-12-01"
                     ,[installment2]
                     ,read=True)

r[0].head()

/home/docs/checkouts/readthedocs.org/user_builds/absbox-doc/envs/stable/lib/python3.11/site-packages/urllib3/connectionpool.py:1097: InsecureRequestWarning: Unverified HTTPS request is being made to host 'absbox.org'. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#tls-warnings
  warnings.warn(

	Balance	Principal	Interest	Prepayment	Default	Recovery	Loss	WAC	CumPrincipal	CumPrepay	CumDelinq	CumDefault	CumRecovery	CumLoss
Date
2022-01-01	1200	0	0	0	0	0	0	0.01	0	0	0	0	0	0
2022-01-08	1100	100	0	0	0	0	0	0.01	100	0	0	0	0	0
2022-01-15	1000	100	0	0	0	0	0	0.01	200	0	0	0	0	0
2022-01-22	900	100	12	0	0	0	0	0.01	300	0	0	0	0	0
2022-01-29	800	100	12	0	0	0	0	0.01	400	0	0	0	0	0

Same with default with None

r = localAPI.runAsset("2021-12-01"
                     ,[installment2]
                     ,poolAssump=("Pool"
                                    ,("Installment", None, None, None, None)
                                    ,None
                                    ,None)
                     ,read=True)

r[0].head()

/home/docs/checkouts/readthedocs.org/user_builds/absbox-doc/envs/stable/lib/python3.11/site-packages/urllib3/connectionpool.py:1097: InsecureRequestWarning: Unverified HTTPS request is being made to host 'absbox.org'. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#tls-warnings
  warnings.warn(

	Balance	Principal	Interest	Prepayment	Default	Recovery	Loss	WAC	CumPrincipal	CumPrepay	CumDelinq	CumDefault	CumRecovery	CumLoss
Date
2022-01-01	1200	0	0	0	0	0	0	0.01	0	0	0	0	0	0
2022-01-08	1100	100	0	0	0	0	0	0.01	100	0	0	0	0	0
2022-01-15	1000	100	0	0	0	0	0	0.01	200	0	0	0	0	0
2022-01-22	900	100	12	0	0	0	0	0.01	300	0	0	0	0	0
2022-01-29	800	100	12	0	0	0	0	0.01	400	0	0	0	0	0

Default Stress

r = localAPI.runAsset("2021-12-01"
                     ,[installment2]
                     ,poolAssump=("Pool"
                                    ,("Installment", {"CDR":0.01}, None, None, None)
                                    ,None
                                    ,None)
                     ,read=True)

r[0].head()

/home/docs/checkouts/readthedocs.org/user_builds/absbox-doc/envs/stable/lib/python3.11/site-packages/urllib3/connectionpool.py:1097: InsecureRequestWarning: Unverified HTTPS request is being made to host 'absbox.org'. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#tls-warnings
  warnings.warn(

	Balance	Principal	Interest	Prepayment	Default	Recovery	Loss	WAC	CumPrincipal	CumPrepay	CumDelinq	CumDefault	CumRecovery	CumLoss
Date
2022-01-01	1200.00	0.00	0.00	0	0.00	0	0.00	0.01	0.00	0	0	0.00	0	0.00
2022-01-08	1099.79	99.98	0.00	0	0.23	0	0.23	0.01	99.98	0	0	0.23	0	0.23
2022-01-15	999.62	99.96	0.00	0	0.21	0	0.21	0.01	199.94	0	0	0.44	0	0.44
2022-01-22	899.49	99.94	11.99	0	0.19	0	0.19	0.01	299.88	0	0	0.63	0	0.63
2022-01-29	799.40	99.92	11.99	0	0.17	0	0.17	0.01	399.80	0	0	0.80	0	0.80