Waterfall Forensics.

Prime hybrid ARM RMBS

Sequoia Mortgage 2007-1

424B5 filed 2007-03-30, acc 0000950149-07-000113

machine-encoded from the prospectus by the extraction pipeline and tied out over 9 periods (2007-04-20 to 2007-12-20); not yet expert-verified

Backtested periods

9

2007-04-20 to 2007-12-20

Comparison points within $1

99.8%

459 points

Max principal delta

$0.02

interest $1.78 · balance $0.02

What the encoder found in the filings

  • B-6: draft face 2,213,939.00 -> reported 2,213,939.48 (pinned from the remittance Original Balance)

Capital structure · original faces

1-A1
$47,248,000.00
1-A2
$5,250,000.00
1-AR
$100.00
2-A1
$401,767,000.00
2-A2
$44,641,000.00
3-A1
$58,664,000.00
3-A2
$6,518,000.00
4-A1
$98,689,000.00
4-A2
$10,965,000.00
5-A1
$158,861,000.00
5-A2
$17,651,000.00
B-1
$18,600,000.00
B-2
$6,200,000.00
B-3
$3,985,000.00
B-4
$2,215,000.00
B-5
$2,214,000.00
B-6
$2,213,939.48

viridian = senior (per-pool) · burgundy = cross-collateralized subordinates

Worst remaining deltas · computed vs reported

interest

2007-04-202-A1+1.78
2007-06-204-A1-0.44
2007-04-202-A2+0.20
2007-06-201-A1+0.17
2007-12-201-A1+0.15

principal

2007-06-20B-6-0.02
2007-08-20B-6+0.02
2007-09-20B-6-0.01
2007-05-21B-6+0.01
2007-10-22B-6-0.01

ending balance

2007-12-204-A1+0.02
2007-05-21B-1+0.01
2007-06-201-A1-0.01
2007-06-203-A1+0.01
2007-06-204-A1+0.01