8-K 1 jpmc2005op1_aug05.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) August 25, 2005 ------------------------------- J.P. MORGAN ACCEPTANCE CORPORATION I J.P. MORGAN MORTGAGE ACQUISITION CORP. 2005-OPT1 -------------------------------------------------------------------------------- J.P. MORGAN ACCEPTANCE CORPORATION I (Exact name of registrant as specified in its charter) Delaware 333-121990-03 13-3475488 -------------------------------------------------------------------------------- (State or other jurisdiction (Commission (IRS Employer of Incorporation) File Number) Identification No.) 270 Park Avenue New York, New York 10017 -------------------------------------------------------------------------------- (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code (212) 834-3850 ------------------------------ N/A ------------------------------------------------------------------------------ (Former name or former address, if changed since last report.) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: [] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [] Soliciting material pursuant to Rule 14a-12(b) under the Exchange Act (17 CFR 240.14a-12(b)) [] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) [] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Item 8.1 Other Events. This current report on Form 8-K relates to the monthly distribution reported to the holders of J.P. Morgan Mortgage Acquisition Corp. 2005-OPT1 Asset Backed Pass-Through Certificates, Series 2005-OPT1 pursuant to the terms of the Pooling and Servicing Agreement, dated as of July 1, 2005, among J.P. Morgan Acceptance Corporation I, as Depositor, J.P. Morgan Mortgage Acquisition Corp., as Seller, Option One Mortgage Corporation, as Servicer, JPMorgan Chase Bank, N.A. as Securities Administrator, and U.S. Bank N.A, as Trustee. On August 25, 2005 distributions were made to the certificateholders. Specific information with respect to these distributions is filed as Exhibit 99.1. Item 9.1 Financial Statements and Exhibits. (a) Not applicable (b) Not applicable (c) The following exhibit is filed as part of this report: Statement to Certificateholders on August 25, 2005, as Exhibit 99.1. SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. J.P. Morgan Mortgage Acquisition Corp. 2005-OPT1 Asset Backed Pass-Through Certificates, Series 2005-OPT1 J.P. MORGAN ACCEPTANCE CORPORATION I By: /s/ Brian McDonald -------------------------------------------- Name: Brian McDonald Title: Managing Director Date: August 30, 2005 Exhibit Index 99.1 Statement to Certificateholders on August 25, 2005 Exhibit 99.1 J.P. MORGAN MORTGAGE ACQUISITION CORP. 2005-OPT1 ASSET BACKED PASS-THROUGH CERTIFICATES, SERIES 2005-OPT1 STATEMENT TO CERTIFICATEHOLDERS August 25, 2005 ----------------------------------------------------------------------------------------------------------------------------------- DISTRIBUTION IN DOLLARS ----------------------------------------------------------------------------------------------------------------------------------- ORIGINAL BEGINNING ENDING FACE PRINCIPAL REALIZED DEFERRED PRINCIPAL CLASS VALUE BALANCE PRINCIPAL INTEREST TOTAL LOSSES INTEREST BALANCE ----------------------------------------------------------------------------------------------------------------------------------- A1 612,849,000.00 612,849,000.00 19,489,988.54 1,886,425.83 21,376,414.37 0.00 0.00 593,359,011.46 A2 223,140,000.00 223,140,000.00 19,954,912.26 660,819.81 20,615,732.07 0.00 0.00 203,185,087.74 A3 303,284,000.00 303,284,000.00 0.00 928,491.33 928,491.33 0.00 0.00 303,284,000.00 A4 40,111,000.00 40,111,000.00 0.00 127,477.77 127,477.77 0.00 0.00 40,111,000.00 M1 60,404,000.00 60,404,000.00 0.00 197,005.13 197,005.13 0.00 0.00 60,404,000.00 M2 46,813,000.00 46,813,000.00 0.00 153,458.87 153,458.87 0.00 0.00 46,813,000.00 M3 29,447,000.00 29,447,000.00 0.00 97,267.12 97,267.12 0.00 0.00 29,447,000.00 M4 27,182,000.00 27,182,000.00 0.00 92,503.74 92,503.74 0.00 0.00 27,182,000.00 M5 24,917,000.00 24,917,000.00 0.00 85,210.95 85,210.95 0.00 0.00 24,917,000.00 M6 23,406,000.00 23,406,000.00 0.00 81,408.99 81,408.99 0.00 0.00 23,406,000.00 M7 21,141,000.00 21,141,000.00 0.00 82,692.14 82,692.14 0.00 0.00 21,141,000.00 M8 18,876,000.00 18,876,000.00 0.00 76,506.79 76,506.79 0.00 0.00 18,876,000.00 M9 15,101,000.00 15,101,000.00 0.00 66,869.12 66,869.12 0.00 0.00 15,101,000.00 M10 15,101,000.00 15,101,000.00 0.00 81,340.91 81,340.91 0.00 0.00 15,101,000.00 P 100.00 100.00 0.00 522,204.24 522,204.24 0.00 0.00 100.00 R 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 TOTALS 1,461,772,100.00 1,461,772,100.00 39,444,900.80 5,139,682.74 44,584,583.54 0.00 0.00 1,422,327,199.20 ----------------------------------------------------------------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------------------------- ORIGINAL BEGINNING ENDING FACE NOTIONAL REALIZED DEFERRED NOTIONAL CLASS VALUE BALANCE PRINCIPAL INTEREST TOTAL LOSSES INTEREST BALANCE ----------------------------------------------------------------------------------------------------------------------------------- C 1,510,095,312.15 1,510,095,312.15 0.00 4,204,642.64 4,204,642.64 0.00 0.00 1,470,650,249.19 ----------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------------- ----------------------- FACTOR INFORMATION PER $1,000 OF ORIGINAL FACE PASS-THROUGH RATES ---------------------------------------------------------------------------------------------------------- ----------------------- BEGINNINNG ENDING CURRENT PASS- CLASS CUSIP PRINCIPAL PRINCIPAL INTEREST TOTAL PRINCIPAL CLASS THRU RATE ------------------------------------------------------------------------------------------ ------------- ----------------------- A1 46626laa8 1,000.00000000 31.80226865 3.07812500 34.88039365 968.19773135 A1 3.693750 % A2 46626lab6 1,000.00000000 89.42776849 2.96145832 92.38922681 910.57223151 A2 3.553750 % A3 46626lac4 1,000.00000000 0.00000000 3.06145834 3.06145834 1,000.00000000 A3 3.673750 % A4 46626lad2 1,000.00000000 0.00000000 3.17812495 3.17812495 1,000.00000000 A4 3.813750 % M1 46626lae0 1,000.00000000 0.00000000 3.26145835 3.26145835 1,000.00000000 M1 3.913750 % M2 46626laf7 1,000.00000000 0.00000000 3.27812509 3.27812509 1,000.00000000 M2 3.933750 % M3 46626lag5 1,000.00000000 0.00000000 3.30312494 3.30312494 1,000.00000000 M3 3.963750 % M4 46626lah3 1,000.00000000 0.00000000 3.40312486 3.40312486 1,000.00000000 M4 4.083750 % M5 46626laj9 1,000.00000000 0.00000000 3.41979171 3.41979171 1,000.00000000 M5 4.103750 % M6 46626lak6 1,000.00000000 0.00000000 3.47812484 3.47812484 1,000.00000000 M6 4.173750 % M7 46626lal4 1,000.00000000 0.00000000 3.91145830 3.91145830 1,000.00000000 M7 4.693750 % M8 46626lam2 1,000.00000000 0.00000000 4.05312513 4.05312513 1,000.00000000 M8 4.863750 % M9 46626lan0 1,000.00000000 0.00000000 4.42812529 4.42812529 1,000.00000000 M9 5.313750 % M10 46626lap5 1,000.00000000 0.00000000 5.38645851 5.38645851 1,000.00000000 M10 6.463750 % P N/A 1,000.00000000 0.00000000 5,222,042.40000000 5,222,042.40000000 1,000.00000000 P 0.000000 % TOTALS 1,000.00000000 26.98430268 3.51606296 30.50036565 973.01569732 ------------------------------------------------------------------------------------------ ------------- ----------------------- BEGINNINNG ENDING CURRENT PASS- CLASS CUSIP NOTIONAL PRINCIPAL INTEREST TOTAL NOTIONAL CLASS THRU RATE ------------------------------------------------------------------------------------------ ------------- ----------------------- C N/A 1,000.00000000 0.00000000 2.78435580 2.78435580 973.87909052 C 0.000000 % ------------------------------------------------------------------------------------------ ------------- ----------------------- If there are any questions or problems with this statement, please contact the Administrator listed below: Patrick B. Okas JPMorgan Chase Bank, N.A. - ITS - Global Debt 4 NYP, 6th Floor, , New York, New York 10004 Tel: (212) 623-4469 Fax: (212) 623-5858 Principal Funds: Scheduled Principal Payments (Total) 959,994.48 Group 1 538,486.95 Group 2 421,507.53 Principal Prepayments (Total) 37,572,236.43 Group 1 18,466,505.80 Group 2 19,105,730.63 Curtailments (Total) 122,337.16 Group 1 50,111.46 Group 2 72,225.70 Curtailment Interest Adjustments (Total) -8,374.79 Group 1 -5,501.34 Group 2 -2,873.45 Repurchase Principal (Total) 0.00 Group 1 0.00 Group 2 0.00 Substitution Amounts (Total) 0.00 Group 1 0.00 Group 2 0.00 Net Liquidation Proceeds (Total) 0.00 Group 1 0.00 Group 2 0.00 Other Principal Adjustments (Total) 798,869.68 Group 1 440,465.79 Group 2 358,403.89 Interest Funds: Gross Interest 9,203,058.82 Group 1 4,770,652.27 Group 2 4,432,406.55 Servicing Fees 377,324.61 Group 1 196,064.62 Group 2 181,259.99 Trustee Fees 3,775.24 Group 1 1,961.75 Group 2 1,813.49 Prepayment Penalties: Number of Loans Prepaid with Respect to which Prepayment Penalties were Collected 82 Group 1 50 Group 2 32 Balance of Loans Prepaid with Respect to which Prepayment Penalties were Collected 19,167,661.13 Group 1 8,884,212.96 Group 2 10,283,448.17 Amount of Prepayment Penalties Collected 522,204.24 Group 1 226,087.13 Group 2 296,117.11 Available Remitance Amount 48,267,021.93 Principal Remittance Amount (Total) 39,445,062.96 Group 1 19,490,068.66 Group 2 19,954,994.30 Interest Remittance Amount (Total) 8,821,958.97 Group 1 4,572,625.90 Group 2 4,249,333.07 Pool Detail: Beginning Number of Loans Outstanding 8,217 Group 1 5,163 Group 2 3,054 Ending Number of Loans Outstanding 8,051 Group 1 5,060 Group 2 2,991 Beginning Aggregate Loan Balance 1,510,095,312.15 Group 1 784,698,105.44 Group 2 725,397,206.71 Ending Aggregate Loan Balance 1,470,650,249.19 Group 1 765,208,036.78 Group 2 705,442,212.41 Current Advances 0.00 Group 1 0.00 Group 2 0.00 Aggregate Advances 0.00 Group 1 0.00 Group 2 0.00 Weighted Average Remaning Term To Maturity \02 Group 1 354.00 Group 2 355.00 Weighted Average Net Mortgage Rate 7.01039 % Group 1 6.99269 % Group 2 7.02953 % Delinquent Mortgage Loans Group 1 Principal Category Number Balance Percentage 1 Month 1 68,743.57 0.01 % 2 Month 0 0.00 0.00 % 3 Month 0 0.00 0.00 % Total 1 68,743.57 0.01 % Group 2 Principal Category Number Balance Percentage 1 Month 1 203,489.04 0.03 % 2 Month 0 0.00 0.00 % 3 Month 0 0.00 0.00 % Total 1 203,489.04 0.03 % * Delinquent Bankruptcies and Foreclosures are not included in the table above. Bankrupticies Group Number of Principal Number Loans Balance Percentage 1 0 0.00 0.00% 2 0 0.00 0.00% Group 1 Bankruptcy Reporting: Number of Bankruptcy Loans that are Current 0 Principal Balance of Bankruptcy Loans that are Current 0.00 Number of Bankruptcy Loans that are 1 Month Delinquent 0 Principal Balance of Bankruptcy Loans that are 1 Month Delinquent 0.00 Number of Bankruptcy Loans that are 2 Months Delinquent 0 Principal Balance of Bankruptcy Loans that are 2 Months Delinquent 0.00 Number of Bankruptcy Loans that are 3+ Months Delinquent 0 Principal Balance of Bankruptcy Loans that are 3+ Months Delinquent 0.00 Total Number of Bankruptcy Loans 0 Total Principal Balance of Bankruptcy Loans 0.00 Group 2 Bankruptcy Reporting: Number of Bankruptcy Loans that are Current 0 Principal Balance of Bankruptcy Loans that are Current 0.00 Number of Bankruptcy Loans that are 1 Month Delinquent 0 Principal Balance of Bankruptcy Loans that are 1 Month Delinquent 0.00 Number of Bankruptcy Loans that are 2 Months Delinquent 0 Principal Balance of Bankruptcy Loans that are 2 Months Delinquent 0.00 Number of Bankruptcy Loans that are 3+ Months Delinquent 0 Principal Balance of Bankruptcy Loans that are 3+ Months Delinquent 0.00 Total Number of Bankruptcy Loans 0 Total Principal Balance of Bankruptcy Loans 0.00 Foreclosures Group Number of Principal Number Loans Balance Percentage 1 0 0.00 0.00% 2 0 0.00 0.00% Group 1 Foreclosure Reporting: Number of Foreclosure Loans that are Current 0 Principal Balance of Foreclosure Loans that are Current 0.00 Number of Foreclosure Loans that are 1 Month Delinquent 0 Principal Balance of Foreclosure Loans that are 1 Month Delinquent 0.00 Number of Foreclosure Loans that are 2 Months Delinquent 0 Principal Balance of Foreclosure Loans that are 2 Months Delinquent 0.00 Number of Foreclosure Loans that are 3+ Months Delinquent 0 Principal Balance of Foreclosure Loans that are 3+ Months Delinquent 0.00 Total Number of Foreclosure Loans 0 Total Principal Balance of Foreclosure Loans 0.00 Group 2 Foreclosure Reporting: Number of Foreclosure Loans that are Current 0 Principal Balance of Foreclosure Loans that are Current 0.00 Number of Foreclosure Loans that are 1 Month Delinquent 0 Principal Balance of Foreclosure Loans that are 1 Month Delinquent 0.00 Number of Foreclosure Loans that are 2 Months Delinquent 0 Principal Balance of Foreclosure Loans that are 2 Months Delinquent 0.00 Number of Foreclosure Loans that are 3+ Months Delinquent 0 Principal Balance of Foreclosure Loans that are 3+ Months Delinquent 0.00 Total Number of Foreclosure Loans 0 Total Principal Balance of Foreclosure Loans 0.00 REO Properties Group Number of Principal Number Loans Balance Percentage 1 0 0.00 0.00% 2 0 0.00 0.00% Group 1 REO Reporting: Number of REO Loans that are Current 0 Principal Balance of REO Loans that are Current 0.00 Number of REO Loans that are 1 Month Delinquent 0 Principal Balance of REO Loans that are 1 Month Delinquent 0.00 Number of REO Loans that are 2 Months Delinquent 0 Principal Balance of REO Loans that are 2 Months Delinquent 0.00 Number of REO Loans that are 3+ Months Delinquent 0 Principal Balance of REO Loans that are 3+ Months Delinquent 0.00 Total Number of REO Loans 0 Total Principal Balance of REO Loans 0.00 Group 2 REO Reporting: Number of REO Loans that are Current 0 Principal Balance of REO Loans that are Current 0.00 Number of REO Loans that are 1 Month Delinquent 0 Principal Balance of REO Loans that are 1 Month Delinquent 0.00 Number of REO Loans that are 2 Months Delinquent 0 Principal Balance of REO Loans that are 2 Months Delinquent 0.00 Number of REO Loans that are 3+ Months Delinquent 0 Principal Balance of REO Loans that are 3+ Months Delinquent 0.00 Total Number of REO Loans 0 Total Principal Balance of REO Loans 0.00 Loan Level REO - Schedule Group Schedule Principal Number Loan Number REO Date Balance 0.00 Principal Liquidations by Group occurred in this Distribution Group Number of Principal Percentage Number Loans Balance 1 0 0.00 0.00% 2 0 0.00 0.00% Total 0 0.00 0.00% Realized Loss by Group Group Number Current Loss Cumulative Loss Ending Balance Balance of Net Liquidation Liquidated Loans Proceeds 1 0.00 0.00 765,208,036.78 0.00 0.00 2 0.00 0.00 705,442,212.41 0.00 0.00 Total 0.00 0.00 1,470,650,249.19 0.00 0.00 Loss Detail: Current Realized Losses- Reduced by Recoveries 0.00 Group 1 0.00 Group 2 0.00 Cumulative Realized Losses - Reduced by Recoveries 0.00 Group 1 0.00 Group 2 0.00 Current Applied Losses 0.00 Cumulative Applied Losses 0.00 Trigger Event NO TEST I - Trigger Event Occurrence NO (Is Delinquency Percentage > 36% of of Senior Enhancement Percetage ?) Delinquency Percentage 0.00000 % 36% of of Senior Enhancement Percetage 8.09547 % OR TEST II - Trigger Event Occurrence NO (Are Cumulative Realized Losses as % of Original Loan Bal > Required Cumulative Loss % ?) Cumulative Realized Losses as % of Original Loan Bal 0.00000 % Required Cumulative Loss % 0.00000 % O/C Reporting Targeted Overcollateralization Amount 48,323,049.99 Ending Overcollateralization Amount 48,323,049.99 Ending Overcollateralization Deficiency 0.00 Overcollateralization Release Amount 162.16 Monthly Excess Interest 4,204,642.64 Payment to Class C 4,204,642.64 Certificate Interest Shortfall Detail: Interest Carry Forward: Interest Carryforward Balance with respect to such Distribution Date Class A-1 0.00 Class A-2 0.00 Class A-3 0.00 Class A-4 0.00 Class M-1 0.00 Class M-2 0.00 Class M-3 0.00 Class M-4 0.00 Class M-5 0.00 Class M-6 0.00 Class M-7 0.00 Class M-8 0.00 Class M-9 0.00 Class M-10 0.00 Interest Carryforward Amount Paid This Period 0.00 Class A-1 0.00 Class A-2 0.00 Class A-3 0.00 Class A-4 0.00 Class M-1 0.00 Class M-2 0.00 Class M-3 0.00 Class M-4 0.00 Class M-5 0.00 Class M-6 0.00 Class M-7 0.00 Class M-8 0.00 Class M-9 0.00 Class M-10 0.00 Interest Carryforward Amount Occured This Period 0.00 Class A-1 0.00 Class A-3 0.00 Class A-2 0.00 Class A-4 0.00 Class M-1 0.00 Class M-2 0.00 Class M-3 0.00 Class M-4 0.00 Class M-5 0.00 Class M-6 0.00 Class M-7 0.00 Class M-8 0.00 Class M-9 0.00 Class M-10 0.00 Remaining Interest Carryforward Amount Class A-1 0.00 Class A-2 0.00 Class A-3 0.00 Class A-4 0.00 Class M-1 0.00 Class M-2 0.00 Class M-3 0.00 Class M-4 0.00 Class M-5 0.00 Class M-6 0.00 Class M-7 0.00 Class M-8 0.00 Class M-9 0.00 Class M-10 0.00 Amounts Received with respect to the Yield Maintenance Agreement 0.00 Basis Risk Reserve Fund Account: Beginning Balance 1,000.00 Additions to the Basis Risk Reserve Fund 0.00 Divident Earnings on the Basis Risk Reserve Fund 0.00 Withdrawals from the Basis Risk Reserve Fund 0.00 Ending Balance 1,000.00 Basis Risk Reserve Carryover: Interest Carryover Balance with respect to such Distribution Date Class A-1 0.00 Class A-2 0.00 Class A-3 0.00 Class A-4 0.00 Class M-1 0.00 Class M-2 0.00 Class M-3 0.00 Class M-4 0.00 Class M-5 0.00 Class M-6 0.00 Class M-7 0.00 Class M-8 0.00 Class M-9 0.00 Class M-10 0.00 Interest Carryover Amount Occured This Period Class A-1 0.00 Class A-2 0.00 Class A-3 0.00 Class A-4 0.00 Class M-1 0.00 Class M-2 0.00 Class M-3 0.00 Class M-4 0.00 Class M-5 0.00 Class M-6 0.00 Class M-7 0.00 Class M-8 0.00 Class M-9 0.00 Class M-10 0.00 Interest Carryover Amount Paid This Period Class A-1 0.00 Class A-2 0.00 Class A-3 0.00 Class A-4 0.00 Class M-1 0.00 Class M-2 0.00 Class M-3 0.00 Class M-4 0.00 Class M-5 0.00 Class M-6 0.00 Class M-7 0.00 Class M-8 0.00 Class M-9 0.00 Class M-10 0.00 Remaining Interest Carryover Amount Class A-1 0.00 Class A-2 0.00 Class M-1 0.00 Class A-3 0.00 Class A-4 0.00 Class M-2 0.00 Class M-3 0.00 Class M-4 0.00 Class M-5 0.00 Class M-6 0.00 Class M-7 0.00 Class M-8 0.00 Class M-9 0.00 Class M-10 0.00 Non-Supported Interest Shortfall: Total Prepayment Interest Shortfall occured this distribution 0.00 Prepayment Interest Shortfall Allocated to Class A-1 0.00 Prepayment Interest Shortfall Allocated to Class A-2 0.00 Prepayment Interest Shortfall Allocated to Class A-3 0.00 Prepayment Interest Shortfall Allocated to Class A-4 0.00 Prepayment Interest Shortfall Allocated to Class M-1 0.00 Prepayment Interest Shortfall Allocated to Class M-2 0.00 Prepayment Interest Shortfall Allocated to Class M-3 0.00 Prepayment Interest Shortfall Allocated to Class M-4 0.00 Prepayment Interest Shortfall Allocated to Class M-5 0.00 Prepayment Interest Shortfall Allocated to Class M-6 0.00 Prepayment Interest Shortfall Allocated to Class M-7 0.00 Prepayment Interest Shortfall Allocated to Class M-8 0.00 Prepayment Interest Shortfall Allocated to Class M-9 0.00 Prepayment Interest Shortfall Allocated to Class M-10 0.00 Prepayment Interest Shortfall Allocated to Class C 0.00 Total Relief Act Interest Shortfall occured this distribution 0.00 Relief Act Interest Shortfall Allocated to Class A-1 0.00 Relief Act Interest Shortfall Allocated to Class A-2 0.00 Relief Act Interest Shortfall Allocated to Class A-3 0.00 Relief Act Interest Shortfall Allocated to Class A-4 0.00 Relief Act Interest Shortfall Allocated to Class M-1 0.00 Relief Act Interest Shortfall Allocated to Class M-2 0.00 Relief Act Interest Shortfall Allocated to Class M-3 0.00 Relief Act Interest Shortfall Allocated to Class M-4 0.00 Relief Act Interest Shortfall Allocated to Class M-5 0.00 Relief Act Interest Shortfall Allocated to Class M-6 0.00 Relief Act Interest Shortfall Allocated to Class M-7 0.00 Relief Act Interest Shortfall Allocated to Class M-8 0.00 Relief Act Interest Shortfall Allocated to Class M-9 0.00 Relief Act Interest Shortfall Allocated to Class M-10 0.00 Relief Act Interest Shortfall Allocated to Class C 0.00 Available Net Funds Cap to Libor Certificates 7.010386 One-Month LIBOR for Such Distribution Date 3.463750 LIBOR Certificates, the Uncapped Pass-Through Rate for Such Distribution Date Class A-1 3.693750 Class A-2 3.553750 Class A-3 3.673750 Class A-4 3.813750 Class M-1 3.913750 Class M-2 3.933750 Class M-3 3.963750 Class M-4 4.083750 Class M-5 4.103750 Class M-6 4.173750 Class M-7 4.693750 Class M-8 4.863750 Class M-9 5.313750 Class M-10 6.463750 Reduction of Certificate Principal Amounts due to Applied Loss Amounts Deferred Amounts Detail: Deferred Amount with respect to such Distribution Date Class M-1 0.00 Class M-2 0.00 Class M-3 0.00 Class M-4 0.00 Class M-5 0.00 Class M-6 0.00 Class M-7 0.00 Class M-8 0.00 Class M-9 0.00 Class M-10 0.00 Deferred Amount Paid This Period 0.00 Class M-1 0.00 Class M-2 0.00 Class M-3 0.00 Class M-4 0.00 Class M-5 0.00 Class M-6 0.00 Class M-7 0.00 Class M-8 0.00 Class M-9 0.00 Class M-10 0.00 Deferred Amount Occured This Period 0.00 Class M-1 0.00 Class M-2 0.00 Class M-3 0.00 Class M-4 0.00 Class M-5 0.00 Class M-6 0.00 Class M-7 0.00 Class M-8 0.00 Class M-9 0.00 Class M-10 0.00 Remaining Deferred Amount Class M-1 0.00 Class M-2 0.00 Class M-3 0.00 Class M-4 0.00 Class M-5 0.00 Class M-6 0.00 Class M-7 0.00 Class M-8 0.00 Class M-9 0.00 Class M-10 0.00 Copyright 2005 J.P. Morgan Chase & Co. All rights reserved.

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event

Reported): August 17, 2005

J.P. MORGAN ACCEPTANCE CORPORATION I

J.P. MORGAN MORTGAGE ACQUISITION CORP. 2005-OPT1

J.P. MORGAN ACCEPTANCE CORPORATION I
(Exact name of registrant as specified in its charter)
Delaware	333-121990	13-3475488
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)
270 Park Avenue New York, New York 10017
(Address of Principal Executive Offices) (Zip Code)
Registrant’s telephone number, including area code (212) 834-3850

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) [ ] Pre-commencement communications pursuant to Rule 14d-2(d) under the Exchange Act (17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01. Other Events.

On July 26, 2005, J.P. Morgan Acceptance Corporation I (the “Company”) entered into a Pooling and Servicing Agreement dated as of July 1, 2005 (the “Pooling and Servicing Agreement”), by and among the Company, as depositor, J.P. Morgan Mortgage Acquisition Corp., as seller, Option One Mortgage Corporation, as servicer (the “Servicer”) JPMorgan Chase Bank, National Association, as securities administrator (the “Securities Administrator”) and U.S. Bank National Association, as trustee (the “Trustee”), providing for the issuance of J.P. Morgan Mortgage Acquisition Corp. 2005-OPT1, Asset-Backed Pass-Through Certificates. The Pooling and Servicing Agreement is annexed hereto as Exhibit 99.1.

Item 9.01. Financial Statements and Exhibits.

(a) Financial statements of businesses acquired:

Not applicable.

(b) Pro forma financial information:

Not applicable.

Exhibit No.

Description

99.1

The Pooling and Servicing Agreement, dated as of July 1, 2005, by and among the Company, the Seller, the Servicer, the Securities Administrator and the Trustee.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

J.P. MORGAN ACCEPTANCE CORPORATION I

By: /s/ Paul H. White

Name: Paul H. White

Title: Vice President

Dated: August 17, 2005

Exhibit Index

99.1

The Pooling and Servicing Agreement

Filing Compare · J.P. Morgan Mortgage Acquisition Corp. 2005-OPT1