It's not a research, it's the opinion of an exchange:
https://cryptoslate.com/blofin-believes-spot-ethereum-etfs-will-drive-short-term-surge-in-eth-prices/
And ignoring the fact that it's a second-rate exchange if not third, also heavily invested in promoting meme coins it's also one of those articles made for clickbaiting and promotion.

Stop believing what every 20 words per $ "analyst" writes nowadays on the internet.