I don't use the O'Neill version of volume interpretation. I get a real-time feed of index volumes on a 1 min chart, and I can set volume moving averages, etc. I never use that alone, it is like the put/call---an adjunct, helps me judge how much confidence I can put in the other signals.
And I don't use MACD much, I find it too slow. I use quicker settings of the MACD sometimes, however.
For swing- to intermediate-term trends that I like to trade with MFs in retirement accounts, I rely first and foremost on the 15-5-5 stochastic. It doesn't work so well with some stocks, and some try to fine-tune the settings. I also have shown the crossovers that constitute the siganl.
Me, usually I don't, but below you will see the 15-5-5 stochastic on top, and the 15-9-5 on the bottom, just to show you that you can adjust this indicator to eliminate or minimize whipsaw. And it doesn't change the signal timing much.
I prefer AskResearch stochastics, which are a bit different from Stockcharts for some reason. With most indexes, the 5-15-15 is pretty reliable and reasonably quick. Here's an example of something I trade, the yield on the 10 year note. You will see that it signals several times a year, and hardly ever whipsaws: