You might remember some market internals studies we were addressing, particularly this chart about NYHL as a leading indicator during divergences.
Take a look at the updated one below. SPX has lost approx 5% after making only a marginal high since then

Regarding currencies as indicators, we were posting this chart among similar others.
Look at the updated ones below:


Also regarding currencies, the most directly related to SPX was at those moments USD (recently they have been less connected). This was our view on USD 2 weeks ago:
Please, see updated chart below:
