Overall, mortgage rates moved beyond record-low rates again, as the impact of the QE3 announcement seems to be affecting markets more and more. As mortgage rates have been on the downward path, demand for home purchase and refinance applications seems to be rising.

According to the Mortgage Bankers Association’s (MBA) latest findings, total mortgage activity climbed 2.8% in the week ending September 21. Especially refinance applications contributed to the surge in mortgage activity, as loan requests for home refinancing increased 3.3%. The Purchase Index, on the other hand ticked up 0.7% last week. The refinance share of total mortgage applications rose to 81.2%, a slight improvement over last year’s share.

With regards to domestic economic data, the S&P / Case-Shiller Home Price Index for July was published yesterday. The Index shows that home prices increased 1.6% in July from the prior month, which translates to a 1.2% improvement over data from same time, last year. This marks the fourth consecutive month that home prices are up. The S&P / Case-Shiller Home Price Index tracks home values in the nation’s 20 largest cities.

Earlier today we published a mortgage report about current mortgage rates at Bank of America (NYSE:BAC), PNC Bank (NYSE:PNC) and Wells Fargo (NYSE:WFC). Now, let’s see today’s mortgage rates at other top lenders.

Chase (NYSE:JPM) is offering the benchmark 30-year fixed refinance mortgage loan at a lower rate today, in the form of 3.375% plus an annual percentage rate of 3.475%. This is a slight improvement over Tuesday’s rate. It’s possible, that the 15-year FRM will garner some interest from borrowers, as the current starting rate is 2.750% and it bears an APR variable of 2.839%.

Chase’s 7/1 ARM will see balances cleared off at a rate of 2.500% and an APR figure of 2.977%, whilst those who are considering to get the 5/1 adjustable rate mortgage locked in, will need to pay 2.250% in interest and an APR sum of 2.982% as of Wednesday.

The 30-year fixed mortgage for home refinancing at TD Bank (NYSE:TD) is carrying a rate of 3.750% and it comes with an annual percentage rate of 3.800%. Looking at the shorter-term, 15-year fixed package, it’s up for grabs today at a rate of 3.000% and it features an APR of 3.088%.

The initial rate on TD Bank’s flexible 7/1 adjustable rate loan is 2.750% and it bears 3.069% by way of annual percentage rate. Refinancers are able to take up the 5/1 ARM for as low as 2.500% plus an APR variable of 3.040%.

Those who are looking for assistance to refinance their existings loans, should consider KeyBank’s (NYSE:KEY) 30-year fixed mortgage which starts at 3.400% and it carries an annual percentage rate of 3.470%. The 15-year fixed counterpart appears to be promising as well, as it has an opening rate of 2.790% and it yields to an APR of 2.915% as of Wednesday.

For full details on current mortgage rates and terms and conditions, please head over to lenders’ websites.