Hi Andy,
I have Oct 4 as MC1-2, Oct 12 as MC1-3, Oct 13 as MC1-4 and therefore, we are presently on our way up to MC1-5 for the SPX. Regarding the DP equivalents (i.e.IDT2, etc.) you may be correct; however, I personally only follow one and that's the LTD for the DJIA.
Kind regards...