r/forecasting

Community Overview
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About r/forecasting

The art and science of making numerical predictions and later checking their accuracy and calibration to test and improve your models of the world

The community at a glance

r/forecasting is a Subreddit for Forecasters with roughly 934 members. It has been around since 2015. It uses a forum format for communication. On the Hive Index it ranks #1 in the Prediction Markets communities list.

Roughly 123 members have joined in the past year. Popular discussion topics include Forecasting, Short Term Outlook, and Arima. Common discussion themes are Advice Requests and Solution Requests.

On Reddit
Established 2015
934 Members

Community Topics

Community Features

Forum

This community has a forum

Subreddit Analysis

via GummySearch
Yearly: +123 members
Growth: +15.2% / year

Member growth over time

All time (yearly)

  • 2023: 263 members
  • 2024: 114 members
  • 2025: 177 members
  • 2026: 100 members

Past year (monthly)

  • Nov: 10 members
  • Dec: 11 members
  • Jan: 10 members
  • Feb: 10 members
  • Mar: 9 members
  • Apr: 9 members
  • May: 11 members
  • Jun: 11 members
  • Jul: 10 members
  • Aug: 17 members
  • Sep: 7 members
  • Oct: 6 members

Themes

  • Advice Requests
    7 posts in the past month
    1. How to Improve Forecast Accuracy? What other tips you would add?
    2. How to measure forecast accuracy for rolling forecasts?
    3. How to Forecast using Excel or Python (ARIMA) or Python (Prophet)
    #1
    Advice Requests
    How to Improve Forecast Accuracy? What other tips you would add? · How to measure forecast accuracy for rolling forecasts? · How to Forecast using Excel or Python (ARIMA) or Python (Prophet)
    7
  • Solution Requests
    2 posts in the past month
    1. Forecast over a forecast...
    2. Books on Forecasting
    #2
    Solution Requests
    Forecast over a forecast... · Books on Forecasting
    2
  • Money Talk
    1 post in the past month
    1. Help - Price optimization through forecasting
    #3
    Money Talk
    Help - Price optimization through forecasting
    1

Topics

  • Forecasting
    47 posts in the past month
    1. Podcast on forecasting impact topics -> first one: Rob J Hyndman
    2. Do I need a stats degree to have a career in forecasting?
    3. What is Demand Forecasting! 😉🤣
    #1
    Forecasting
    Podcast on forecasting impact topics -> first one: Rob J Hyndman · Do I need a stats degree to have a career in forecasting? · What is Demand Forecasting! 😉🤣
    47
  • Short Term Outlook
    17 posts in the past month
    1. CBOT Beans Managed Money flow ST forecast at -25K contracts in the coming month. Negative sign = net selling. The 2nd graph gives the multivariate regression fit details of the applied variables.
    2. Live Cattle front month futures fair value mixed model f'cast with seasonalized USDA supply/demand numbers. Stats imply we've missed the bull run.
    3. CBOT Corn, managed $ flow mixed model forecast for the coming Month (not Quarter like the previous corn f'cast) Statistical methods applied: Multivariate regression, K-nearest-Neighbors, and ARIMA variations. Current estimate at -22.3K contracts, negative sign implies net selling.
    #2
    Short Term Outlook
    CBOT Beans Managed Money flow ST forecast at -25K contracts in the coming month. Negative sign = net selling. The 2nd graph gives the multivariate regression fit details of the applied variables. · Live Cattle front month futures fair value mixed model f'cast with seasonalized USDA supply/demand numbers. Stats imply we've missed the bull run. · CBOT Corn, managed $ flow mixed model forecast for the coming Month (not Quarter like the previous corn f'cast) Statistical methods applied: Multivariate regression, K-nearest-Neighbors, and ARIMA variations. Current estimate at -22.3K contracts, negative sign implies net selling.
    17
  • Arima
    6 posts in the past month
    1. Mixed model f'cast of CBOT Corn Futures "Managed Money" flow, i.e. change in their positions. variables applied: WASDE projected Carry Out, current Swap Dealer, MM Positions. Longs/shorts were estimated separately. Stat Methods applied: linear/quantile reg., KNN, and ARIMA[1,0,0]
    2. CBOT Corn, managed $ flow mixed model forecast for the coming Month (not Quarter like the previous corn f'cast) Statistical methods applied: Multivariate regression, K-nearest-Neighbors, and ARIMA variations. Current estimate at -22.3K contracts, negative sign implies net selling.
    3. very short term CL (NYMEX crude Oil) front month price bias still bullish. Derived with relative values against a basket of other crude oil prices, S&P Energy Index. Stat-Methods applied: ARIMA, LinearReg., 5-Nearest-Neighbor.
    #3
    Arima
    Mixed model f'cast of CBOT Corn Futures "Managed Money" flow, i.e. change in their positions. variables applied: WASDE projected Carry Out, current Swap Dealer, MM Positions. Longs/shorts were estimated separately. Stat Methods applied: linear/quantile reg., KNN, and ARIMA[1,0,0] · CBOT Corn, managed $ flow mixed model forecast for the coming Month (not Quarter like the previous corn f'cast) Statistical methods applied: Multivariate regression, K-nearest-Neighbors, and ARIMA variations. Current estimate at -22.3K contracts, negative sign implies net selling. · very short term CL (NYMEX crude Oil) front month price bias still bullish. Derived with relative values against a basket of other crude oil prices, S&P Energy Index. Stat-Methods applied: ARIMA, LinearReg., 5-Nearest-Neighbor.
    6
  • Linear Regression
    4 posts in the past month
    1. CBOT Corn futures Managed $ order flow forecast update. Latest estimate: net selling of about 29K contracts. Mixed model includes: ARIMA mix, Multivariate Linear Regression, and KNNs.
    #4
    Linear Regression
    CBOT Corn futures Managed $ order flow forecast update. Latest estimate: net selling of about 29K contracts. Mixed model includes: ARIMA mix, Multivariate Linear Regression, and KNNs.
    4
  • Multivariate Regression
    4 posts in the past month
    1. CBOT Beans Managed Money flow ST forecast at -25K contracts in the coming month. Negative sign = net selling. The 2nd graph gives the multivariate regression fit details of the applied variables.
    2. CBOT Corn, managed $ flow mixed model forecast for the coming Month (not Quarter like the previous corn f'cast) Statistical methods applied: Multivariate regression, K-nearest-Neighbors, and ARIMA variations. Current estimate at -22.3K contracts, negative sign implies net selling.
    #5
    Multivariate Regression
    CBOT Beans Managed Money flow ST forecast at -25K contracts in the coming month. Negative sign = net selling. The 2nd graph gives the multivariate regression fit details of the applied variables. · CBOT Corn, managed $ flow mixed model forecast for the coming Month (not Quarter like the previous corn f'cast) Statistical methods applied: Multivariate regression, K-nearest-Neighbors, and ARIMA variations. Current estimate at -22.3K contracts, negative sign implies net selling.
    4
View full analysis on GummySearchSynced 10/1/2026

Frequently asked questions

Who is r/forecasting for?
Best for Forecasters enthusiasts looking for a Reddit-based community with forum discussion.
Is r/forecasting free to join?
This listing is not marked as paid-only. Access rules and any fees are decided by the community.
How many members does r/forecasting have?
Roughly 934 members, based on figures reported by the community or its host. Member counts are approximate and change over time.
What platform is r/forecasting on?
r/forecasting runs on Reddit. Reddit communities (or "subreddits") are forum-based groups on the popular social news aggregation, web content rating, and discussion website Reddit. Reddit is commonly known as "the front page of the internet". Users submit content to the site such as links, text posts, and images, which are then voted up or down and discussed by other members. From investing Reddit communities, to professional ones, to ones just for laughs, you're likely to find a community for you on Reddit.
What topics does r/forecasting cover?
On the Hive Index, r/forecasting is organized under Forecasters.
How do I join r/forecasting?
You can join r/forecasting by clicking this link, or pressing the "Go to community" button above.
What are the Prediction Markets communities like?
Online communities for forecasting future events, debating prediction markets, and sharpening your probabilistic thinking skills.
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Added 10/14/2026

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