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keyword

how much is a 1988 series $100 bill worth

Monthly search volume and cost-per-click data for "how much is a 1988 series $100 bill worth" in US.

$ curl "https://app.seodata.dev/v1/search-volume?q=how-much-is-a-1988-series-$100-bill-worth" +--------------+------------------+ | volume | 50 | | cpc | $1.43 | | competition | 0.01 | | country | US | | updated | 2026-03-29 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
1988 100 dollar bill 2,400 $0.09 20/20
1988 series 100 dollar bill 1,300 $0.13 13/20
1988 series 100 dollar bill value 320 $0.01 15/20
1988 series 100 dollar bill worth 320 $0.01 14/20
1988 one hundred dollar bill value 210 $0.02 15/20
1988 100 dollar bill value 210 $0.02 13/20
1988 hundred dollar bill value 210 $0.02 13/20
how much is a 100 dollar bill from 1988 worth 50 $0 13/20
how much is a 1988 hundred dollar bill worth 50 $0 13/20
how much is a 1988 $100 bill worth 40 $0 16/20

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/search-volume?q=how-much-is-a-1988-series-$100-bill-worth" 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