in the long run it will not matter at all because miners will always mine what is most profitable and bitcoin will remain that. similar to bitcoin-cash shenanigans we can expect a lot of chaos in bitcoin when they steal hashrate by making their chain more profitable to mine at first but in the end miners will come back to bitcoin. and as a result there won't be any bitcoin price change.
by the way, how do you know the following. SV chain has not started yet, has it?
the amount of hashrate that is going to support the Bitcoin SV fork.
You can already check the intention of the miners on the coin dance website just liek you could check it for segwit activation, bcash fork and other shenanigans:
https://cash.coin.dance/blocks#blockDetailsForChainSplitFor this, you must understand what every pool is and what they are supporting. See this pic:

You may to check this out:
https://www.youtube.com/watch?v=ACEUOCoVvmwThis might be a good opportunity to pick cheap coins again if deluded noobs start selling BTC and buying whatever shitcoin that comes out of this.