FRANKFURT, Oct 27 (Reuters) - The European Central Bank announced the following results for its latest liquidity providing operation: Main Refinancing Operation-Allotment Intended Volume: Reference Number: 20150108 Min Allotment: Transaction Type: Reverse Transactions Fixed Rate: 0.05 % Operation Type: Liquidity Providing Max Bid Limit: Procedure: Standard Tender Max Bids per Cpty: 1 Tender Date: 27/10/2015 11:15 Marg. Rate: Start Date: 28/10/2015 % of All. at Fixed Rate: 100 Maturity Date: 04/11/2015 Tot Amount Allotted: 68451.2 mn Duration (days): 7 Weight. Avg. Allot. Rate: Tot Bid Amount: 68451.2 mn Auction Type: Fixed Rate Tender Tot Number of Bidders: 129 Allotment Method: Min Rate (bids): Max Rate (bids): Estimate on 27/10/2015 of the average autonomous factors for the period 28/10/2015 to 03/11/2015 amounts to EUR 583.5 bn. Benchmark allotment based on the ECB's liquidity forecast as of 27/10/2015 amounts to EUR -82.5 bn. For general information on the calculation of the benchmark allotment amount, please see here as well as ECB page Operational Communications.