seodata.dev

keyword

spx

Monthly search volume and cost-per-click data for "spx" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=spx&country=us" +--------------+------------------+ | volume | 368,000 | | cpc | $5.19 | | competition | 0 | | country | US | | updated | 2026-06-04 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
spx stock 201,000 $4.48 20/20
sp500 today 135,000 $2.65 19/20
spx index 33,100 $3.34 20/20
spx price 22,200 $1.67 20/20
spx stock price 18,100 $2.75 20/20
spx ytd 14,800 $2.75 19/20
spx chart 12,100 $5.79 19/20
spx index chart 8,100 $2.14 20/20
s&p 500 ticker 5,400 $3.75 20/20
stock 500 1,300 $3.98 20/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=spx&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt