Show the Crypto Fear and Greed Index in your Mac menu bar

The index rolls volatility, momentum, social media and dominance into one score from 0 (extreme fear) to 100 (extreme greed). It changes once a day, which makes it a calm thing to keep on screen.

Recipe tested October 29, 2026 with Multimeter 1.1. Source: Web Address.

Preview: the Needle Gauge face and two alternatives, with sample values like the ones this recipe returns.

What you need

  • Multimeter for macOS 13 or later, $19.99 once.
  • Nothing.

Set it up

  1. Add a Web Address meter with this address and the key path data.0.value:
    Web address
    https://api.alternative.me/fng/
  2. Refresh every hour. The range is already 0 to 100.
  3. Pick a face that reads as a scale, like the Gradient Track or Needle Gauge.

Multimeter settings

In Customize This Meter… (from the meter’s menu):

Settings for this meter
SettingValue
SourceWeb Address
Web addresshttps://api.alternative.me/fng/
Key pathdata.0.value
Refresh every1 hour
Range0 to 100
AlertsLow values: warning 25, critical 10
LabelF&G
FaceGradient Track, Needle Gauge or Mood

Tested: Run on October 29, 2026: 51 (neutral).

More on this source, including every format it reads, in the Web Address guide.

Limits

  • Updated once a day, so faster refreshes only repeat the same number.

Troubleshooting

What the meter says, why, and what to do
SymptomCauseFix
No number found in the responseThe key path doesn’t match the reply.Run curl -s with the address and read the JSON. Dots walk into objects, numbers pick array items (items.0.count).
Couldn’t reach the addressNo network, a typo in the host, or the service is down.Open the address in your browser. Multimeter tries again at the next refresh.

Questions

Can I show the word, like “Greed”?

The word is in data.0.value_classification, but a meter needs a number. Use a Script meter with jq to print {"value": 51, "formatted": "Neutral"} if you want both.

Related

Put it in your menu bar

$19.99 one-time. No subscription. Needs macOS 13 Ventura or later.