market-calendar-api.onrender.com
LiveGov/Regulatory/ProductReturns the next VIX futures and options expiration dates (Wednesday rule, holiday-adjusted). (the service's own listing text)
20/20Recent Test Calls That Worked
329 msTypical Response Time (slow end: 571 ms)
$0.01 / $0.01Listed / Actual Price: match
Same AddressPayment Address (payTo): the same on all 21 checks of the main route
3Directories Listing It
11 min agoLast Checked (2026-10-24T11:00:49Z)
Listed Vs. Actual Price
Listed = the price in the directory listing today, for the main route we test. Actual = the price that route asked for when we called it (from our signed records). Some differences are normal, like prices that depend on the request.
| Period | Listed | Actual | Result |
|---|---|---|---|
| Recent Checks | $0.01 | $0.01 | Matches Listing |
Latest Signed Records
| Signed Record | Time (UTC) | Reply | Asked For Payment Correctly | ms | Price Asked |
|---|---|---|---|---|---|
| a129aa17a71ae959712b | 2026-10-24T11:00:49Z | 402 | Yes | 1280 | $0.01 |
| bb92f1cd1d66c9ce1257 | 2026-10-24T10:30:19Z | 402 | Yes | 145 | $0.01 |
| 7f47af7040892070c29f | 2026-10-24T09:58:36Z | 402 | Yes | 538 | $0.01 |
| 44072f2cfdbb908753a0 | 2026-10-24T09:28:22Z | 402 | Yes | 190 | $0.01 |
| 86f802860c1114aa3aca | 2026-10-24T08:56:43Z | 402 | Yes | 423 | $0.01 |
Every record is digitally signed, so anyone can verify it. More: raw data page · free quick check (JSON)