Why would there be a correlation here? Nvidia literally releases a new series of graphics card every single year (for the past 5+ years) -- around the same time of the year.
I think OP meant that NVIDIA are designed a special crypto GPU and plan to release it very soon. Samsung also got orders for ASICS.
https://www.techpowerup.com/241552/nvidia-turing-is-a-crypto-mining-chip-jen-hsun-huang-made-to-save-pc-gaming
IMO this may bring only a small correction to GPU coins like ETH and BTG.
That's why Nvidia was trying to issued new GPU for crypto. But i think that the result will be the same. GPU still in the demand by miners.
Maybe NVIDIA is Satoshi Nakamoto and they created Bitcoin just to sell more graphics cards! 
Are you dumb? What the fuck was wrong with you?