Based on the last two weeks, ZCASH has chased ETH to obtain converting ratio in between ~0.9-1 .
Current Ratio around 0.9 which, previous bottoms would providing support
Targeting Ratio : 0.97-1
ETH is quit weak these date due to overwhelming ICO based on ETH and potential fluctuation of Bitcoin hardfork
And when the market is at downside, ETH defensive properties is much weaker than Zcash.