Kalshi is a CFTC-regulated prediction market in New York, and Google Search interest for the keyword kalshi printed 51 the week of October 31 2026. That is up 27.5% from 40 on October 24 and up 59.38% from 32 on October 3, per Trends MCP get_growth on google search pulled November 9 2026. The 261-week get_time_series on the same source runs from November 6 2021 (first print 0) through October 31 2026 and peaked at 63 on July 11 2026. Same-week 2025 printed 16. The App Store Top Free board dated 2026-11-08T09:01:38Z ranked the iOS app at 9. Android downloads for com.kalshi.mobile exist, but that series is too jagged to chart.
About kalshi
Kalshi is the New York prediction-market exchange Tarek Mansour and Luana Lopes Lara founded in 2018, and Google Search interest for the keyword kalshi printed 51 of 100 the week of October 31 2026 after a climb off a late-October 40.
Wikipedia, retrieved November 9 2026, dates a November 2020 CFTC designated-contract-market license and a July 2021 public launch, and places headquarters at 594 Broadway in New York. The company about page, fetched the same day, says Kalshi earns a fee on trades and does not take the other side of a contract. Wikipedia records a May 2026 TCV-led round at a 22 billion dollar valuation, 3 million new users during the 2026 World Cup, and more than 1.2 billion dollars wagered on the World Cup winner. The same page says sports made up more than 90% of site activity and that the United States Senate barred senators and staff from betting on prediction markets in May 2026. Neighbor finance context: Bitcoin.
What the time series shows
Google Search interest for kalshi printed 51 on October 31 2026 on a 261-week series that opened at 0 on November 6 2021, first printed 1 on May 28 2022, and peaked at 63 on July 11 2026, leaving this week's print 19 percent under that World Cup high.
Last eight weekly prints are 28, 35, 34, 32, 31, 33, 40, and 51. Closest 30-day point is 32 on October 3 (+59.38%). Closest 90-day point is 29 on August 1 (+75.86%). Same-week 2025 printed 16. November 9 2024 printed 62, then 3, 1, and 1 the next three weeks. 2026 ran 46 on June 27, 58 on July 4, 63 on July 11, then 38 on July 25 and 23 on August 29 before this autumn rebuild. The freeze keeps 146 weekly zeros, almost all from late 2021 through mid-2022. Week-over-week population standard deviation, skipping zero baselines, is 55.49 percent, with last-52 sample standard deviation 39.61 percent. The chart window starts November 2 2024 at 15.
Why the page charts Google Search
An app people install should be tracked on app downloads first, and Android downloads for com.kalshi.mobile clear the mover math from a 44 print but fail the readable-shape bar, so this page stays on the Google Search series that still has a direction.
get_growth on app downloads for com.kalshi.mobile prints 44.1 on November 8, up 21.15% over 7 days from 36.4 (volume 106,435 versus 87,976) and up 401.14% over 30 days from 8.8 (volume 21,251). The 162-point series from November 11 2025 at 0.8 through November 8 2026 is a sawtooth: 56.7, 17.5, 39.2, 21.0, 29.7, 9.7, 0.1, 36.4, 39.0, 13.6, 11.2, then 44.1 across the last twelve points. App rankings for the same bundle only cover October 10 through November 8, 30 points, and the 1-year window errors as date_out_of_range. Google Search is the 261-week feed that still clears +20% over 7 days, +25% over 30 days, and +15% over 1 year. Same-week get_growth on google search puts polymarket at 62 on October 31 (+82.35% from 34 over 30 days). The App Store Top Free board as of 2026-11-08T09:01:38Z listed Kalshi at rank 9, under Vinted at 3 and ChatGPT at 4. App-store context: ChatGPT. Source context: Google Search data.
The Trends MCP calls for this keyword
get_time_series with source google search and keyword kalshi is the call behind the chart, returning 261 weekly points from 2021-11-06 through 2026-10-31 stored as {date, value} with no smoothing, which is the only series this page is allowed to quote. get_growth on the same pair, windows 7D, 30D, and 1Y, is the headline math: 40 to 51 (+27.5%), 32 to 51 (+59.38%), and 16 to 51 (+218.75%). Mixing the downloads 44.1 with the Search 51 would invent a story the APIs do not tell.
A copy-paste pair for Claude or Cursor:
get_time_series source="google search" keyword="kalshi"
get_growth source="google search" keyword="kalshi" percent_growth=["7D","30D","1Y"]
REST is the same body at https://api.trendsmcp.ai/api with Authorization: Bearer and mode set to get_time_series or get_growth.